{"id":4530,"date":"2025-10-20T10:17:19","date_gmt":"2025-10-20T02:17:19","guid":{"rendered":"https:\/\/niusheng.gg13.globaldeepsea.site\/understanding-protocol-data-unit-pdu-network-guide\/"},"modified":"2025-10-20T10:17:19","modified_gmt":"2025-10-20T02:17:19","slug":"understanding-protocol-data-unit-pdu-network-guide","status":"publish","type":"post","link":"https:\/\/www.newsunn.com\/ko\/understanding-protocol-data-unit-pdu-network-guide\/","title":{"rendered":"\uc0c1\uc704 10\uac00\uc9c0 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c? \uc885\ud569 \uac00\uc774\ub4dc"},"content":{"rendered":"<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/83b74d84eb434429916c6b36ed3c7459.webp\" alt=\"\uc0c1\uc704 10\uac00\uc9c0 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c? \uc885\ud569 \uac00\uc774\ub4dc\" \/><\/p>\n<p><\/p>\n<p>PDU(\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704)\ub294 \ub124\ud2b8\uc6cc\ud06c \ud504\ub85c\ud1a0\ucf5c \uc2a4\ud0dd\uc758 \uacc4\uce35 \uac04\uc5d0 \uad50\ud658\ub418\ub294 \uae30\ubcf8 \ub370\uc774\ud130 \ub2e8\uc704\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774 \uad6c\uc870\ud654\ub41c \uc815\ubcf4 \ube14\ub85d\uc740 \uc81c\uc5b4 \ub370\uc774\ud130\uc640 \uc0ac\uc6a9\uc790 \ub370\uc774\ud130\ub97c \ubaa8\ub450 \uc804\ub2ec\ud558\ubbc0\ub85c \uc6d0\ud65c\ud55c \ud1b5\uc2e0\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uc7a5\uce58\ub294 \uc815\ubcf4\uac00 \uc758\ub3c4\ud55c \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc788\ub3c4\ub85d \uc774\ub7ec\ud55c \ub370\uc774\ud130 \ub2e8\uc704\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/product\/40g-qsfp-lr4-10km-transceiver-for-smf\/\" target=\"_blank\" rel=\"noopener\">40g QSFP+ LR4 10km SMF\ub97c\uc704\ud55c \ud2b8\ub79c\uc2dc\ubc84<\/a> \uc774\ub7ec\ud55c \ub370\uc774\ud130 \ub2e8\uc704\ub97c \uace0\uc18d\uc73c\ub85c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc774 \uac1c\ub150\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \ub124\ud2b8\uc6cc\ud06c \uc6b4\uc601\uc744 \ud30c\uc545\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4. \ubc30\uc804\uc5d0\uc11c\ub3c4, <a href=\"https:\/\/admin.deepvaluer.com\/\" target=\"_blank\" rel=\"noopener\">19 \u2033 PDU \uc778\ub3c4 \uc2a4\ud0c0\uc77c<\/a> \ub2e4\uc591\ud55c \ub9e5\ub77d\uc5d0\uc11c \uc6a9\uc5b4\uc758 \uc911\uc694\uc131\uc744 \ubcf4\uc5ec\uc8fc\ub294 \ud544\uc218 \uc778\ud504\ub77c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>\uc8fc\uc694 \ud14c\uc774\ud06c \uc544\uc6c3<\/h2>\n<p><\/p>\n<ul><\/p>\n<li>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db(PDU)\uc740 <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/power-management-basic-pdu-vs-power-strip\/\" target=\"_blank\" rel=\"noopener\">\ub370\uc774\ud130\uc758 \uae30\ubcf8 \ub2e8\uc704<\/a>. \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 \uac04\uc5d0 \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\uac01 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc5d0\ub294 \uace0\uc720\ud55c PDU \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub85c\ub294 \ube44\ud2b8, \ud504\ub808\uc784, \ud328\ud0b7 \ubc0f \uc138\uadf8\uba3c\ud2b8\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ucea1\uc290\ud654\ub294 \ub370\uc774\ud130\uc5d0 \uc815\ubcf4\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc774\ub294 \ub370\uc774\ud130\uac00 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 \uc544\ub798\ub85c \uc774\ub3d9\ud560 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ucea1\uc290\ud654 \ud574\uc81c\ub294 \ub370\uc774\ud130\uc5d0\uc11c \uc815\ubcf4\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4. \uc774\ub294 \ub370\uc774\ud130\uac00 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 \uc704\ub85c \uc774\ub3d9\ud560 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/compare-pdu-types-features-data-centers-2025\/\" target=\"_blank\" rel=\"noopener\">PDU \ud5e4\ub354<\/a> \uc911\uc694\ud55c \uc81c\uc5b4 \uc138\ubd80\uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc18c\uc2a4 \ubc0f \ub300\uc0c1 \uc8fc\uc18c\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>PDU\ub294 \ub370\uc774\ud130\uc758 \uc624\ub958\ub97c \ucc3e\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \ub610\ud55c \ub370\uc774\ud130\uac00 \uc62c\ubc14\ub978 \uc21c\uc11c\ub85c \ub3c4\ucc29\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>PDU \ud06c\uae30\ub294 \ub124\ud2b8\uc6cc\ud06c \uc18d\ub3c4\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ub300\ud615 PDU\ub294 \ub354 \uc791\uc740 \uc870\uac01\uc73c\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>PDU\ub294 \ubaa8\ub4e0 \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc11c\ub85c \ub2e4\ub978 \uc7a5\uce58\uac00 \uc11c\ub85c \ud1b5\uc2e0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<h2>1. PDU\uc758 \ubcf8\uc9c8 \uc774\ud574<\/h2>\n<p><\/p>\n<h3>PDU\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<h4>\ub124\ud2b8\uc6cc\ud0b9\uc758 \ub370\uc774\ud130 \ub2e8\uc704<\/h4>\n<p><\/p>\n<p>PDU(Protocol Data Unit)\ub294 \ud1b5\uc2e0 \uc5d4\ud130\ud2f0 \uac04\uc5d0 \uad50\ud658\ub418\ub294 \ub370\uc774\ud130\uc758 \uae30\ubcf8 \ub2e8\uc704\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc5d4\ud130\ud2f0\ub294 \ud2b9\uc815 \uaddc\uc815\uc744 \uc900\uc218\ud569\ub2c8\ub2e4. <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/\" target=\"_blank\" rel=\"noopener\">\ub124\ud2b8\uc6cc\ud0b9 \ud504\ub85c\ud1a0\ucf5c<\/a>. \ub124\ud2b8\uc6cc\ud06c \uc804\ubb38\uac00\ub294 \ub2e4\uce35 \ud504\ub85c\ud1a0\ucf5c \uc2a4\ud0dd\uc744 \uc0ac\uc6a9\ud558\uace0 \ud504\ub85c\ud1a0\ucf5c \uc0c1\ud638 \uc791\uc6a9\uc744 \uad00\ub9ac\ud560 \ub54c \uc774\ub7ec\ud55c \uc7a5\uce58\uac00 \uc911\uc694\ud558\ub2e4\uace0 \uc0dd\uac01\ud569\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud0b9 \ud504\ub85c\ud1a0\ucf5c, \ud2b9\ud788 OSI \ub610\ub294 TCP\/IP \ubaa8\ub378\uacfc \uac19\uc740 \uacc4\uce35\ud654\ub41c \ucc38\uc870 \ubaa8\ub378 \ub0b4\uc5d0\uc11c \uac1c\ubc1c\ub41c \ud504\ub85c\ud1a0\ucf5c\uc740 \uc790\uccb4 \ub370\uc774\ud130 \uad50\ud658 \ub2e8\uc704\ub97c \uc815\uc758\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, IP \ud328\ud0b7\uc740 \uc778\ud130\ub137 \ud504\ub85c\ud1a0\ucf5c\uc758 PDU \uc5ed\ud560\uc744 \ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc5d0\uc11c IP \uc8fc\uc18c\ub85c \uc2dd\ubcc4\ub418\ub294 \ud638\uc2a4\ud2b8 \uac04\uc758 \uc0c1\ud638 \uc791\uc6a9\uc744 \ucd09\uc9c4\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU \ud615\uc131\uc5d0\uc11c \ud504\ub85c\ud1a0\ucf5c\uc758 \uc5ed\ud560<\/h4>\n<p><\/p>\n<p>\ud504\ub85c\ud1a0\ucf5c\uc740 \uac01 PDU\uc758 \uad6c\uc870\uc640 \ub0b4\uc6a9\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uc774\ub294 \ubaa8\ub4e0 \ub124\ud2b8\uc6cc\ud06c \uc7a5\uce58\uac00 \ub370\uc774\ud130\ub97c \uc62c\ubc14\ub974\uac8c \ud574\uc11d\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. PDU\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc138 \uac00\uc9c0 \uc8fc\uc694 \ubd80\ubd84\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<ul><\/p>\n<li><strong>\ud504\ub85c\ud1a0\ucf5c \ud5e4\ub354<\/strong>: \uc774 \ud544\ub4dc \uc2dc\ud000\uc2a4\uc5d0\ub294 PDU\uc5d0 \ub300\ud55c \ud2b9\uc815 \ub370\uc774\ud130\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ub300\uc0c1 \uc8fc\uc18c\uc640 \uc18c\uc2a4 \uc8fc\uc18c\uac00 \ud3ec\ud568\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub530\ub77c \ud5e4\ub354 \uae38\uc774\uac00 \uace0\uc815\ub418\uac70\ub098 \uac00\ubcc0\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc720\ud6a8 \ud0d1\uc7ac\ub7c9<\/strong>: \ud504\ub85c\ud1a0\ucf5c \ubcf8\ubb38\uc774\ub77c\uace0\ub3c4 \ud558\uba70 \ud504\ub85c\ud1a0\ucf5c\uc774 \uc804\uc1a1\ud558\ub294 \uc2e4\uc81c \uc815\ubcf4\uc785\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\ud504\ub85c\ud1a0\ucf5c \uc608\uace0\ud3b8<\/strong>: \ud398\uc774\ub85c\ub4dc \ub4a4\uc5d0 PDU\uc5d0 \ucd94\uac00\ub418\ub294 \uc77c\ub828\uc758 \ube44\ud2b8\uc785\ub2c8\ub2e4. \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35 \ud504\ub85c\ud1a0\ucf5c\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ud2b8\ub808\uc77c\ub7ec\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc774\ub354\ub137\uc740 \uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac \uac12\uc744 \ud2b8\ub808\uc77c\ub7ec\ub85c \ud3ec\ud568\ud558\ub294 4\uc625\ud15f, 32\ube44\ud2b8 \ud544\ub4dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<h3>\ub370\uc774\ud130 \ucee8\ud14c\uc774\ub108\ub85c\uc11c\uc758 PDU<\/h3>\n<p><\/p>\n<h4>PDU \ucea1\uc290\ud654 \ud504\ub85c\uc138\uc2a4<\/h4>\n<p><\/p>\n<p>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub294 \ucea1\uc290\ud654 \uc911\uc5d0 \ub370\uc774\ud130 \ucee8\ud14c\uc774\ub108 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774 \uccb4\uacc4\uc801\uc778 \ubcc0\ud658\uc740 \uac01 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc5d0\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \ucea1\uc290\ud654 \uc911\uc5d0 \ud558\uc704 \ud504\ub85c\ud1a0\ucf5c \uacc4\uce35\uc740 \uc0c1\uc704 \uacc4\uce35\uc758 SDU(\uc11c\ube44\uc2a4 \ub370\uc774\ud130 \ub2e8\uc704)\ub97c \ud398\uc774\ub85c\ub4dc\ub85c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \ud574\ub2f9 \uae30\ub2a5\uc744 \uc218\ud589\ud558\uae30 \uc704\ud574 \ud558\uc704 \uacc4\uce35\uc5d0\uc11c\ub294 \ud2b9\uc815 \ub370\uc774\ud130\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 SDU\uc5d0 \ub300\ud55c \ud3ec\ud2b8 \ubc88\ud638, \ub124\ud2b8\uc6cc\ud06c \uc8fc\uc18c, \ub370\uc774\ud130 \uc720\ud615 \uc2dd\ubcc4\uc790 \ubc0f \uc624\ub958 \uac80\uc0ac \uc815\ubcf4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc6d0\ub798 SDU\uc640 \ucd94\uac00\ub41c \uc81c\uc5b4 \uc815\ubcf4\uc758 \uc870\ud569\uc740 \ud2b9\uc815 \uacc4\uce35\uc5d0\uc11c PDU\ub97c \uad6c\uc131\ud569\ub2c8\ub2e4. \uc774\ub294 PDU\ub97c \uc6d0\ubcf8 \ub370\uc774\ud130\uc640 \uacc4\uce35\uc758 \uc6b4\uc601 \uc138\ubd80 \uc0ac\ud56d \ubaa8\ub450\uc5d0 \ub300\ud55c \ucee8\ud14c\uc774\ub108\ub85c \ud6a8\uacfc\uc801\uc73c\ub85c \ub9cc\ub4ed\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<ol><\/p>\n<li><strong>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub370\uc774\ud130:<\/strong> \uc6d0\ubcf8 \ub370\uc774\ud130\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc720\ub798\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc804\uc1a1 \uacc4\uce35:<\/strong> \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub370\uc774\ud130\uc5d0 TCP\/UDP \ud5e4\ub354\ub97c \ucd94\uac00\ud558\uc5ec <strong>\uc138\uadf8\uba3c\ud2b8\/\ub370\uc774\ud130 \uadf8\ub7a8<\/strong> (\uc218\uc1a1 PDU).<\/li>\n<p><\/p>\n<li><strong>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35:<\/strong> \uc138\uadf8\uba3c\ud2b8\/\ub370\uc774\ud130\uadf8\ub7a8\uc5d0 IP \ud5e4\ub354\ub97c \ucd94\uac00\ud558\uc5ec <strong>\ud328\ud0b7<\/strong> (\ub124\ud2b8\uc6cc\ud06c PDU).<\/li>\n<p><\/p>\n<li><strong>\ub370\uc774\ud130\ub9c1\ud06c \uacc4\uce35:<\/strong> \uc774\ub354\ub137\/Wi-Fi \ud5e4\ub354\uc640 \ud2b8\ub808\uc77c\ub7ec\ub97c \ud328\ud0b7\uc5d0 \ucd94\uac00\ud558\uc5ec <strong>\uc561\uc790<\/strong> (\ub370\uc774\ud130 \ub9c1\ud06c PDU).<\/li>\n<p><\/p>\n<li><strong>\ubb3c\ub9ac\uce35:<\/strong> \uc804\uc1a1\uc744 \uc704\ud574 \ud504\ub808\uc784\uc744 \ube44\ud2b8(\ubb3c\ub9ac\uc801 PDU)\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<br \/>\uac01 \uacc4\uce35\uc740 \uc704 \uacc4\uce35\uc5d0\uc11c \ubc1b\uc740 \ub370\uc774\ud130\uc5d0 \uc790\uccb4 \uc81c\uc5b4 \uc815\ubcf4(\ud5e4\ub354 \ubc0f \ub54c\ub85c\ub294 \ud2b8\ub808\uc77c\ub7ec)\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc218\uc2e0 \uce21\uc758 \ud574\ub2f9 \uacc4\uce35\uc774 \ub370\uc774\ud130\ub97c \uc62c\ubc14\ub974\uac8c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub808\uc774\uc5b4\ubcc4 \uc815\ubcf4\ub85c \ub370\uc774\ud130\ub97c \ub798\ud551\ud558\uba74 \uac01 \ub808\uc774\uc5b4\uac00 \ub3c5\ub9bd\uc801\uc73c\ub85c \uae30\ub2a5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/ol>\n<p><\/p>\n<h4>PDU \ucea1\uc290\ud654 \ud574\uc81c \ud504\ub85c\uc138\uc2a4<\/h4>\n<p><\/p>\n<p>\ucea1\uc290\ud654 \ud574\uc81c\ub294 \ucea1\uc290\ud654\uc758 \ubc18\ub300\uc785\ub2c8\ub2e4. PDU\uac00 \uc218\uc2e0 \uc7a5\uce58\uc758 \ud504\ub85c\ud1a0\ucf5c \uc2a4\ud0dd \uc704\ub85c \uc774\ub3d9\ud560 \ub54c \uac01 \uacc4\uce35\uc740 \ud2b9\uc815 \ud5e4\ub354\uc640 \ud2b8\ub808\uc77c\ub7ec\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ub098\uba38\uc9c0 \ub370\uc774\ud130\ub97c \uc704 \ub808\uc774\uc5b4\uc5d0 \uc804\ub2ec\ud569\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc774 \uc6d0\ubcf8 \ub370\uc774\ud130\ub97c \uc218\uc2e0\ud560 \ub54c\uae4c\uc9c0 \uacc4\uc18d\ub429\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \uc758\ub3c4\ud55c \ub300\ub85c \uc815\ubcf4\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>2. OSI \ubaa8\ub378 \uacc4\uce35 \uc804\ubc18\uc758 PDU<\/h2>\n<p><\/p>\n<p>OSI(\uac1c\ubc29\ud615 \uc2dc\uc2a4\ud15c \uc0c1\ud638 \uc5f0\uacb0) \u200b\u200b\ubaa8\ub378\uc740 \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc744 \uc774\ud574\ud558\uae30 \uc704\ud55c \uac1c\ub150\uc801 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \ubaa8\ub378 \ub0b4\uc758 \uac01 \uacc4\uce35\uc740 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub85c \uc54c\ub824\uc9c4 \ud2b9\uc815 \ud615\uc2dd\uc758 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c PDU\ub294 \ub370\uc774\ud130\uac00 \uacc4\uce35\uc744 \ud1b5\ud574 \uc774\ub3d9\ud568\uc5d0 \ub530\ub77c \ud615\ud0dc\uac00 \ubcc0\uacbd\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ubb3c\ub9ac \uacc4\uce35 PDU: \ube44\ud2b8<\/h3>\n<p><\/p>\n<h4>PDU\ub85c\uc11c\uc758 \ube44\ud2b8<\/h4>\n<p><\/p>\n<p>OSI \ubaa8\ub378\uc758 \uac00\uc7a5 \ub0ae\uc740 \uacc4\uce35\uc778 \ubb3c\ub9ac \uacc4\uce35\uc5d0\uc11c \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub294 \ub2e8\uc21c\ud788 <strong>\uc870\uae08<\/strong>. \ube44\ud2b8\ub294 \ucef4\ud4e8\ud305\uc5d0\uc11c \uac00\uc7a5 \uae30\ubcf8\uc801\uc778 \uc815\ubcf4 \ub2e8\uc704\uc778 \uc774\uc9c4\uc218(0 \ub610\ub294 1)\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774 \uacc4\uce35\uc740 \ud1b5\uc2e0 \ub9e4\uccb4\ub97c \ud1b5\ud55c \uc6d0\uc2dc \ube44\ud2b8 \uc2a4\ud2b8\ub9bc\uc758 \ubb3c\ub9ac\uc801 \uc804\uc1a1\uacfc \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc774\ub7ec\ud55c \ube44\ud2b8\uc758 \uc758\ubbf8\ub97c \ud574\uc11d\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uadf8\uac83\uc740 \ub2e8\uc9c0 \uadf8\uac83\ub4e4\uc744 \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc804\uae30 \uc2e0\ud638 \ubc0f PDU \uc804\uc1a1<\/h4>\n<p><\/p>\n<p>\ubb3c\ub9ac \uacc4\uce35\uc740 \uc774\ub7ec\ud55c \ube44\ud2b8\ub97c \uc804\uae30, \uad11\ud559 \ub610\ub294 \ubb34\uc120 \uc2e0\ud638\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc2e0\ud638\ub294 \uad6c\ub9ac \ucf00\uc774\ube14, \uad11\uc12c\uc720 \ub610\ub294 \ubb34\uc120 \uc804\ud30c\uc640 \uac19\uc740 \ub124\ud2b8\uc6cc\ud06c \ub9e4\uccb4\ub97c \ud1b5\ud574 \uc774\ub3d9\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc774\ub354\ub137 \ucf00\uc774\ube14\uc758 \uc804\uc555 \ubcc0\ud654\ub294 '1'\uc744 \ub098\ud0c0\ub0bc \uc218 \uc788\uc9c0\ub9cc \uc804\uc555\uc774 \uc5c6\uc73c\uba74 '0'\uc744 \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubb3c\ub9ac \uacc4\uce35\uc740 \uc774\ub7ec\ud55c \uc6d0\uc2dc \uc2e0\ud638\ub97c \ud55c \uc7a5\uce58\uc5d0\uc11c \ub2e4\ub978 \uc7a5\uce58\ub85c \uc548\uc815\uc801\uc73c\ub85c \uc804\uc1a1\ud558\ub294 \uac83\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35 PDU: \ud504\ub808\uc784<\/h3>\n<p><\/p>\n<h4>PDU \ud504\ub808\uc784 \uc774\ud574<\/h4>\n<p><\/p>\n<p>\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc740 \ubb3c\ub9ac \uacc4\uce35\uc5d0\uc11c \uc6d0\uc2dc \ube44\ud2b8\ub97c \uac00\uc838\uc640\uc11c \ub2e4\uc74c\uacfc \uac19\uc774 \uad6c\uc131\ud569\ub2c8\ub2e4. <strong>\ud504\ub808\uc784<\/strong>. \ud504\ub808\uc784\uc740 \uc774 \uacc4\uce35\uc5d0\uc11c \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ud504\ub808\uc784\uc740 \ube44\ud2b8 \uc2a4\ud2b8\ub9bc\uc5d0 \uad6c\uc870\ub97c \ucd94\uac00\ud558\uc5ec \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8 \ub0b4\uc5d0\uc11c \uc624\ub958 \uac10\uc9c0 \ubc0f \ud750\ub984 \uc81c\uc5b4\ub97c \ud5c8\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p>\ud504\ub808\uc784\uc758 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<ul><\/p>\n<li><strong>\ud5e4\ub354<\/strong>: \uc5ec\uae30\uc5d0\ub294 \uc18c\uc2a4 \ubc0f \ub300\uc0c1 MAC \uc8fc\uc18c, \ud504\ub808\uc784 \uc720\ud615 \ubc0f \uc81c\uc5b4 \ud544\ub4dc\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc720\ud6a8 \ud0d1\uc7ac\ub7c9<\/strong>: \uc774\ub294 \uc0c1\uc704 \uacc4\uce35\uc758 \uc2e4\uc81c \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\ud2b8\ub808\uc77c\ub7ec<\/strong>: \uc5ec\uae30\uc5d0\ub294 \uc624\ub958 \uac10\uc9c0\ub97c \uc704\ud55c FCS(\ud504\ub808\uc784 \uac80\uc0ac \uc2dc\ud000\uc2a4)\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc2dc\uc791 \ubc0f \ub05d \uad6c\ubd84 \uae30\ud638<\/strong>: \ud2b9\uc815 \ube44\ud2b8 \ud328\ud134\uc740 \ud504\ub808\uc784\uc758 \uc2dc\uc791\uacfc \ub05d\uc744 \ud45c\uc2dc\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad6c\ubd84 \uae30\ud638\ub294 \uc218\uc2e0 \uc7a5\uce58\uac00 \ud504\ub808\uc784 \uacbd\uacc4\ub97c \uc2dd\ubcc4\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<p>\ud5e4\ub354\uc640 \ud2b8\ub808\uc77c\ub7ec\ub294 \ub370\uc774\ud130 \ud504\ub808\uc784\uc758 \uace0\uc720\ud55c \uc2dc\uc791\uacfc \ub05d\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc218\uc2e0\uae30\ub294 \ud504\ub808\uc784 \uacbd\uacc4\ub97c \uc2dd\ubcc4\ud558\uace0 \uc11c\ub85c \ub2e4\ub978 \ud504\ub808\uc784\uc744 \uad6c\ubcc4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud2b9\uc815 \uad6c\ubb38\uacfc \uad6c\uc870\ub97c \ud1b5\ud574 \ub370\uc774\ud130 \uc218\uc2e0\uae30\ub294 \ud504\ub808\uc784\uc774 \uc2dc\uc791\ub418\uace0 \ub05d\ub098\ub294 \uc704\uce58\ub97c \uc2dd\ubcc4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>MAC \uc8fc\uc18c \ubc0f PDU \uc8fc\uc18c \uc9c0\uc815<\/h4>\n<p><\/p>\n<p>\ud504\ub808\uc784\uc740 \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c \ub0b4 \uc8fc\uc18c \uc9c0\uc815\uc744 \uc704\ud574 MAC(Media Access Control) \uc8fc\uc18c\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uac01 \ub124\ud2b8\uc6cc\ud06c \uc778\ud130\ud398\uc774\uc2a4 \uce74\ub4dc(NIC)\uc5d0\ub294 \uace0\uc720\ud55c MAC \uc8fc\uc18c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc740 \uc774\ub7ec\ud55c \uc8fc\uc18c\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud504\ub808\uc784\uc774 \ub85c\uceec \uc138\uadf8\uba3c\ud2b8\uc758 \uc62c\ubc14\ub978 \uc7a5\uce58\uc5d0 \ub3c4\ub2ec\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 PDU: \ud328\ud0b7<\/h3>\n<p><\/p>\n<h4>PDU \ud328\ud0b7 \uc815\uc758<\/h4>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35(\uacc4\uce35 3)\uc5d0\uc11c\ub294 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub97c '\ud328\ud0b7'\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud328\ud0b7\uc740 \uc804\uc1a1\ud558\ub824\ub294 \ub370\uc774\ud130\ub97c \ucea1\uc290\ud654\ud558\uace0 \uba38\ub9ac\uae00 \ubc0f \ubc14\ub2e5\uae00 \uc815\ubcf4\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, IPv4 \ud504\ub85c\ud1a0\ucf5c\uc740 \uc804\uc1a1\uc5d0 \ud544\uc218\uc801\uc778 \uc18c\uc2a4 \uc8fc\uc18c, \ub300\uc0c1 \uc8fc\uc18c, \ud504\ub85c\ud1a0\ucf5c \uc720\ud615 \ubc0f TTL(Time-To-Live)\uacfc \uac19\uc740 \uc911\uc694\ud55c \uc138\ubd80 \uc815\ubcf4\uac00 \ud3ec\ud568\ub41c IPv4 \ud5e4\ub354\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \ud328\ud0b7 \ud06c\uae30\uac00 \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8\uc758 MTU(\ucd5c\ub300 \uc804\uc1a1 \ub2e8\uc704)\ub97c \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc740 \ud328\ud0b7\uc744 \ub354 \uc791\uc740 \uc870\uac01\uc73c\ub85c \ubd84\ud560\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc2dd\ubcc4 \ubc0f \uc2dc\ud000\uc2f1\uc744 \uc704\ud574 \uac01 \uc870\uac01\uc5d0 \ud5e4\ub354\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc774\ub294 \uc870\uac01\uc744 \ub300\uc0c1\uc5d0\uc11c \uc6d0\ub798 \ud328\ud0b7\uc73c\ub85c \uc7ac\uc870\ub9bd\ud558\uc5ec \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uac16\ucd98 \ub124\ud2b8\uc6cc\ud06c \uc804\uccb4\uc5d0\uc11c \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU \ub77c\uc6b0\ud305\uc744 \uc704\ud55c IP \uc8fc\uc18c \uc9c0\uc815<\/h4>\n<p><\/p>\n<p>\ub77c\uc6b0\ud130\ub294 \ub77c\uc6b0\ud305 \ud14c\uc774\ube14\uc744 \ud65c\uc6a9\ud558\uc5ec \ud328\ud0b7 \uc804\ub2ec\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uc774 \ud14c\uc774\ube14\uc740 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ub300\ud55c \ub2e4\uc591\ud55c \uacbd\ub85c\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4. \uc804\ub2ec \uacb0\uc815\uc740 \ud328\ud0b7 \ud5e4\ub354 \ub0b4\uc5d0\uc11c \ubc1c\uacac\ub41c \ub300\uc0c1 IP \uc8fc\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\uc5ec \ud328\ud0b7\uc774 \uc758\ub3c4\ud55c \ub300\uc0c1\uc744 \ud5a5\ud574 \ud6a8\uc728\uc801\uc73c\ub85c \uc774\ub3d9\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ub77c\uc6b0\ud305\uc740 \ud55c \uc7a5\uce58\uc5d0\uc11c \ub2e4\ub978 \uc7a5\uce58\ub85c \ud328\ud0b7\uc744 \uc774\ub3d9\ud558\ub294 \uac83\uacfc \uad00\ub828\ub41c \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc758 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc740 \uc18c\uc2a4\uc5d0\uc11c \ubaa9\uc801\uc9c0\uae4c\uc9c0 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc5ec\ub7ec \uacbd\ub85c \uc911\uc5d0\uc11c \ucd5c\uc801\uc758 \uacbd\ub85c\ub97c \uc2dd\ubcc4\ud558\ub294 \uc804\ub7b5\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub2e4\uc591\ud55c \ub77c\uc6b0\ud305 \ud504\ub85c\ud1a0\ucf5c\uc740 \ub77c\uc6b0\ud130 \uac04\uc758 \uc870\uc815\uc744 \ucd09\uc9c4\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uc804\ubc18\uc5d0 \uac78\uccd0 \ud1b5\uc2e0\uc744 \uc124\uc815\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc804\uc1a1 \uacc4\uce35 PDU: \uc138\uadf8\uba3c\ud2b8 \ubc0f \ub370\uc774\ud130\uadf8\ub7a8<\/h3>\n<p><\/p>\n<h4>PDU \uc138\uadf8\uba3c\ud2b8 \ubc0f \ub370\uc774\ud130\uadf8\ub7a8<\/h4>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 \uc704\uc5d0 \uc788\ub294 \uc804\uc1a1 \uacc4\uce35\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac04\uc758 \uc5d4\ub4dc\ud22c\uc5d4\ub4dc \ud1b5\uc2e0\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc774 \uacc4\uce35\uc5d0\uc11c \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub294 \ub450 \uac00\uc9c0 \uae30\ubcf8 \ud615\uc2dd\uc744 \ucde8\ud569\ub2c8\ub2e4.: <strong>\uc138\uadf8\uba3c\ud2b8<\/strong> TCP(\uc804\uc1a1 \uc81c\uc5b4 \ud504\ub85c\ud1a0\ucf5c)\uc758 \uacbd\uc6b0 \ubc0f <strong>\ub370\uc774\ud130\uadf8\ub7a8<\/strong> UDP(\uc0ac\uc6a9\uc790 \ub370\uc774\ud130\uadf8\ub7a8 \ud504\ub85c\ud1a0\ucf5c)\uc758 \uacbd\uc6b0. TCP \uc138\uadf8\uba3c\ud2b8\ub294 \uc548\uc815\uc801\uc778 \uc5f0\uacb0 \uc9c0\ud5a5 \ud1b5\uc2e0\uc744 \uc81c\uacf5\ud558\uc5ec \ub370\uc774\ud130 \uc804\ub2ec, \uc21c\uc11c \uc9c0\uc815 \ubc0f \uc624\ub958 \uac80\uc0ac\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ubc18\ub300\ub85c UDP \ub370\uc774\ud130\uadf8\ub7a8\uc740 \ubcf4\uc7a5\ub41c \uc804\ub2ec\ubcf4\ub2e4 \uc18d\ub3c4\ub97c \uc6b0\uc120\uc2dc\ud558\uc5ec \uc5f0\uacb0\uc774 \uc5c6\uace0 \ub354 \ube60\ub978 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc138\uadf8\uba3c\ud2b8\uc640 \ub370\uc774\ud130\uadf8\ub7a8 \ubaa8\ub450 \uc0c1\uc704 \uacc4\uce35\uc758 \ub370\uc774\ud130\ub97c \ucea1\uc290\ud654\ud558\uace0 \ud2b9\uc815 \uae30\ub2a5\uc5d0 \ud544\uc218\uc801\uc778 \uc815\ubcf4\uac00 \ud3ec\ud568\ub41c \ud574\ub2f9 \ud5e4\ub354\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU \uc804\ub2ec\uc744 \uc704\ud55c \ud3ec\ud2b8 \ubc88\ud638<\/h4>\n<p><\/p>\n<p>\ud3ec\ud2b8 \ubc88\ud638\ub294 \uc804\uc1a1 \uacc4\uce35\uc758 \uae30\ub2a5\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ub294 \ud638\uc2a4\ud2b8\uc5d0\uc11c \uc2e4\ud589\ub418\ub294 \ud2b9\uc815 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774\ub098 \uc11c\ube44\uc2a4\ub97c \uc2dd\ubcc4\ud569\ub2c8\ub2e4. \uc138\uadf8\uba3c\ud2b8\ub098 \ub370\uc774\ud130\uadf8\ub7a8\uc774 \ub300\uc0c1 \uc7a5\uce58\uc5d0 \ub3c4\ucc29\ud558\uba74 \uc804\uc1a1 \uacc4\uce35\uc740 \ud5e4\ub354\uc758 \ud3ec\ud2b8 \ubc88\ud638\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \uc62c\ubc14\ub978 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc73c\ub85c \ubcf4\ub0c5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc6f9 \ud2b8\ub798\ud53d\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ud3ec\ud2b8 80(HTTP) \ub610\ub294 443(HTTPS)\uc744 \uc0ac\uc6a9\ud558\ub294 \ubc18\uba74 \uc774\uba54\uc77c\uc740 \ud3ec\ud2b8 25(SMTP)\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uba54\ucee4\ub2c8\uc998\uc744 \uc0ac\uc6a9\ud558\uba74 \ub2e8\uc77c \uc7a5\uce58\uc758 \uc5ec\ub7ec \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc774 \ub370\uc774\ud130\uc758 \uc798\ubabb\ub41c \ubc29\ud5a5 \uc9c0\uc815 \uc5c6\uc774 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \ub3d9\uc2dc\uc5d0 \ud1b5\uc2e0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc0c1\uc704 \ub808\uc774\uc5b4 PDU: \ub370\uc774\ud130<\/h3>\n<p><\/p>\n<h4>PDU\ub85c\uc11c\uc758 \ub370\uc774\ud130<\/h4>\n<p><\/p>\n<p>OSI \ubaa8\ub378\uc758 \uc0c1\uc704 \uacc4\uce35(\uc138\uc158, \ud504\ub9ac\uc820\ud14c\uc774\uc158 \ubc0f \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35)\uc5d0\uc11c \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub294 \uac04\ub2e8\ud788 <strong>\ub370\uc774\ud130<\/strong>. \uc774\ub7ec\ud55c \uacc4\uce35\uc740 \ub124\ud2b8\uc6cc\ud06c \uc804\uc1a1 \uc138\ubd80 \uc0ac\ud56d\ubcf4\ub2e4\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\ubcc4 \uae30\ub2a5\uc5d0 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\uac00 \uc0c1\ud638 \uc791\uc6a9\ud558\ub294 \uc2e4\uc81c \ucf58\ud150\uce20\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacc4\uce35\uc5d0\uc11c \"\ub370\uc774\ud130\"\ub77c\ub294 \uc6a9\uc5b4\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \uc0dd\uc131, \ud615\uc2dd\ud654 \ub610\ub294 \uad00\ub9ac\ud558\ub294 \uc6d0\uc2dc \uc815\ubcf4 \ub610\ub294 \ucc98\ub9ac\ub41c \ucf58\ud150\uce20\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub370\uc774\ud130<\/h4>\n<p><\/p>\n<p>\uc0c1\uc704 \uacc4\uce35\uc758 PDU\ub85c\uc11c \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub370\uc774\ud130\uc758 \uad6c\uc870\ub294 \ucc98\ub9ac \uacfc\uc815\uc744 \uc218\ubc18\ud569\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<ul><\/p>\n<li><strong>\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \uacc4\uce35<\/strong>: \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \ub370\uc774\ud130\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc0ac\uc6a9\uc790 \uc0c1\ud638\uc791\uc6a9\uc774 \uc2dc\uc791\ub418\uc5b4 \uc804\uc1a1\uc744 \uc704\ud55c \ucd08\uae30 \uc815\ubcf4\ub97c \uc0dd\uc131\ud558\ub294 \uacc4\uce35\uc785\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\ud504\ub9ac\uc820 \ud14c\uc774\uc158 \uacc4\uce35<\/strong>: \ub370\uc774\ud130\ub294 \ud615\uc2dd\ud654\ub418\uace0 \uc554\ud638\ud654\ub429\ub2c8\ub2e4. \uc774 \uacc4\uce35\uc740 \ub370\uc774\ud130\uac00 \uc218\uc2e0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc774\ud574\ud560 \uc218 \uc788\ub294 \ud615\uc2dd\uc73c\ub85c \uc81c\uacf5\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud558\uace0 \ub370\uc774\ud130 \uc555\ucd95 \ubc0f \uc554\ud638\ud654\uc640 \uac19\uc740 \uc791\uc5c5\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc138\uc158 \uacc4\uce35<\/strong>: \uc5f0\uacb0\uc774 \uc124\uc815\ub418\uace0 \uad00\ub9ac\ub429\ub2c8\ub2e4. \uc774 \uacc4\uce35\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac04\uc758 \ub300\ud654, \ud1b5\uc2e0 \uc138\uc158 \uc124\uc815, \uad00\ub9ac \ubc0f \uc885\ub8cc\ub97c \uc81c\uc5b4\ud569\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<p>\ub2e4\uc74c \ud45c\uc5d0\ub294 \uc774\ub7ec\ud55c \uc0c1\uc704 \uacc4\uce35\uc758 PDU\uac00 \uc694\uc57d\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<table><\/p>\n<thead><\/p>\n<tr><\/p>\n<th align=\"left\">\uce35<\/th>\n<p><\/p>\n<th align=\"left\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db<\/th>\n<p><\/tr>\n<p><\/thead>\n<p><\/p>\n<tbody><\/p>\n<tr><\/p>\n<td align=\"left\">\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \uacc4\uce35<\/td>\n<p><\/p>\n<td align=\"left\">\ub370\uc774\ud130<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td align=\"left\">\ud504\ub9ac\uc820 \ud14c\uc774\uc158 \uacc4\uce35<\/td>\n<p><\/p>\n<td align=\"left\">\ub370\uc774\ud130<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td align=\"left\">\uc138\uc158 \uacc4\uce35<\/td>\n<p><\/p>\n<td align=\"left\">\ub370\uc774\ud130<\/td>\n<p><\/tr>\n<p><\/tbody>\n<p><\/table>\n<p><\/p>\n<p>\uc774\ub7ec\ud55c \uacc4\uce35\uc740 \ud568\uaed8 \uc791\ub3d9\ud558\uc5ec \ud558\uc704 \uacc4\uce35 \uc804\uc1a1\uc744 \uc704\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc815\ubcf4\ub97c \uc900\ube44\ud558\uace0 \uc218\uc2e0\ub41c \uc815\ubcf4\ub97c \uc774\ud574\ud560 \uc218 \uc788\ub294 \ud615\uc2dd\uc73c\ub85c \uc62c\ubc14\ub978 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>3. TCP\/IP \ubaa8\ub378\uc758 PDU<\/h2>\n<p><\/p>\n<p>\uc778\ud130\ub137 \ud1b5\uc2e0\uc758 \uae30\ubcf8 \ud504\ub808\uc784\uc6cc\ud06c\uc778 TCP\/IP \ubaa8\ub378\uc740 \ub610\ud55c \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc815 \ud56d\ubaa9\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/pdu-networking-basics-importance-in-network-communication\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db(PDU)<\/a> \uac01 \ub808\uc774\uc5b4\uc5d0\uc11c. \uc774 \ubaa8\ub378\uc740 OSI \ubaa8\ub378\uc744 \uac01\uac01 \uace0\uc720\ud55c \ucc45\uc784\uacfc \ub370\uc774\ud130 \ud615\uc2dd\uc744 \uac00\uc9c4 4\uac1c\uc758 \uac1c\ubcc4 \uacc4\uce35\uc73c\ub85c \ub2e8\uc21c\ud654\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ub124\ud2b8\uc6cc\ud06c \uc561\uc138\uc2a4 \ub808\uc774\uc5b4 PDU<\/h3>\n<p><\/p>\n<h4>PDU\ub85c\uc11c\uc758 \ud504\ub808\uc784 \ubc0f \ube44\ud2b8<\/h4>\n<p><\/p>\n<p>TCP\/IP \ubaa8\ub378\uc758 \ub124\ud2b8\uc6cc\ud06c \uc561\uc138\uc2a4 \uacc4\uce35\uc740 OSI \ubaa8\ub378\uc758 \ubb3c\ub9ac\uc801 \uacc4\uce35\uacfc \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc758 \uae30\ub2a5\uc744 \uacb0\ud569\ud569\ub2c8\ub2e4. \uc774 \uc911\uc694\ud55c \uacc4\uce35\uc5d0\uc11c \ub370\uc774\ud130\ub294 \ub450 \uac00\uc9c0 \uae30\ubcf8 \ud615\ud0dc\ub97c \ucde8\ud569\ub2c8\ub2e4. \ub370\uc774\ud130 \ub9c1\ud06c \ud558\uc704 \uacc4\uce35\uc5d0\uc11c\ub294 \ub370\uc774\ud130\uac00 \ud504\ub808\uc784\uc73c\ub85c \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud504\ub808\uc784\uc740 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 \ud328\ud0b7\uc744 \ucea1\uc290\ud654\ud558\uace0 \ub85c\uceec \uc804\ub2ec\uc744 \uc704\ud574 MAC \uc8fc\uc18c\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc774\ud6c4 Physical \ud558\uc704 \uacc4\uce35\uc5d0\uc11c\ub294 \ub370\uc774\ud130\uac00 \ube44\ud2b8\ub85c \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc774 \ube44\ud2b8\ub294 \ubb3c\ub9ac\uc801 \ub9e4\uccb4\ub97c \ud1b5\ud574 \uc804\uc1a1\ub41c \uc6d0\uc2dc \uc774\uc9c4 \ub370\uc774\ud130\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774 \uacc4\uce35\uc740 \ubb3c\ub9ac\uc801 \uc804\uc1a1\uc744 \uc704\ud55c \ub370\uc774\ud130\ub97c \uc900\ube44\ud558\uace0 \uc6d0\uc2dc \ub370\uc774\ud130 \uc218\uc2e0\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU\uc758 \ud558\ub4dc\uc6e8\uc5b4 \uc8fc\uc18c \uc9c0\uc815<\/h4>\n<p><\/p>\n<p>\ud558\ub4dc\uc6e8\uc5b4 \uc8fc\uc18c \uc9c0\uc815\uc740 \ub124\ud2b8\uc6cc\ud06c \uc561\uc138\uc2a4 \uacc4\uce35\uc5d0\uc11c \uae30\ubcf8\uc785\ub2c8\ub2e4. \uc7a5\uce58\ub294 MAC(\ubbf8\ub514\uc5b4 \uc561\uc138\uc2a4 \uc81c\uc5b4) \uc8fc\uc18c\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8 \ub0b4\uc5d0\uc11c \uc11c\ub85c\ub97c \uc2dd\ubcc4\ud569\ub2c8\ub2e4. \uac01 \ub124\ud2b8\uc6cc\ud06c \uc778\ud130\ud398\uc774\uc2a4 \uce74\ub4dc(NIC)\uc5d0\ub294 \uace0\uc720\ud55c MAC \uc8fc\uc18c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc8fc\uc18c\ub294 \ud504\ub808\uc784\uc774 \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c\uc758 \uc62c\ubc14\ub978 \ub300\uc0c1 \uc7a5\uce58\uc5d0 \ub3c4\ub2ec\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uc561\uc138\uc2a4 \uacc4\uce35\uc740 \ubb3c\ub9ac\uc801 \ub124\ud2b8\uc6cc\ud06c \ub9e4\uccb4\uc5d0 \ub300\ud55c \uc561\uc138\uc2a4\ub97c \uad00\ub9ac\ud558\uc5ec \ucda9\ub3cc\uc744 \ubc29\uc9c0\ud558\uace0 \uc9c8\uc11c \uc788\ub294 \ub370\uc774\ud130 \ud750\ub984\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc778\ud130\ub137 \uacc4\uce35 PDU<\/h3>\n<p><\/p>\n<h4>PDU\ub85c\uc11c\uc758 IP \ub370\uc774\ud130\uadf8\ub7a8<\/h4>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \ub610\ub294 IP \uacc4\uce35\uc774\ub77c\uace0\ub3c4 \ud558\ub294 \uc778\ud130\ub137 \uacc4\uce35\uc740 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \ud328\ud0b7\uc744 \uc218\ub77d\ud558\uace0 \uc804\ub2ec\ud558\ub294 \uc5ed\ud560\uc744 \ub2f4\ub2f9\ud569\ub2c8\ub2e4. IP(\uc778\ud130\ub137 \ud504\ub85c\ud1a0\ucf5c)\ub294 \uc774 \uacc4\uce35\uc5d0\uc11c \uae30\ubcf8 \ud504\ub85c\ud1a0\ucf5c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774 \uacc4\uce35\uc758 \uc8fc\uc694 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <strong>\ub370\uc774\ud130\uadf8\ub7a8<\/strong>. IP \uc8fc\uc18c \uc9c0\uc815\uc740 IPv4 \ubc0f IPv6\ub97c \ubaa8\ub450 \ud3ec\ud568\ud558\uc5ec \uc8fc\uc18c \uc9c0\uc815 \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud55c \uaddc\uce59\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \ub610\ud55c \uc218\uc2e0 \uc2dc\uc2a4\ud15c\uc758 IP \uc8fc\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud328\ud0b7\uc774 \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud558\ub294 \ub370 \uac78\ub9ac\ub294 \uacbd\ub85c\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \uc778\ud130\ub137 \uacc4\uce35\uc740 \ud328\ud0b7\uc744 \ub370\uc774\ud130\uadf8\ub7a8\uc774\ub77c\ub294 \ub2e8\uc704\ub85c \uc870\ud569\ud569\ub2c8\ub2e4. \ub610\ud55c \uc870\uac01\ud654\ub97c \ucc98\ub9ac\ud558\uace0 \ud544\uc694\ud55c \uacbd\uc6b0 \ud070 \ud328\ud0b7\uc744 \uc791\uc740 \uc870\uac01\uc73c\ub85c \ub098\ub204\uace0 \uc218\uc2e0 \uce21\uc5d0\uc11c \uc7ac\uad6c\uc131\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU\uc758 \ub77c\uc6b0\ud305 \uc815\ubcf4<\/h4>\n<p><\/p>\n<p>\uc778\ud130\ub137 \uacc4\uce35\uc740 \uc5ec\ub7ec \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \ud328\ud0b7\uc744 \ucd5c\uc885 \ubaa9\uc801\uc9c0\ub85c \ubcf4\ub0c5\ub2c8\ub2e4. IP(\uc778\ud130\ub137 \ud504\ub85c\ud1a0\ucf5c)\ub294 \uc778\ud130\ub137\uc744 \ud1b5\ud574 \ub370\uc774\ud130 \ud328\ud0b7\uc744 \ub77c\uc6b0\ud305\ud558\uae30 \uc704\ud574 IP \uc8fc\uc18c\ub97c \uc815\uc758\ud569\ub2c8\ub2e4. \uc774 \uacc4\uce35\uc758 \ub77c\uc6b0\ud130\ub294 \ub370\uc774\ud130\uadf8\ub7a8 \ud5e4\ub354 \ub0b4\uc758 \ub300\uc0c1 IP \uc8fc\uc18c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc804\ub2ec \uacb0\uc815\uc744 \ub0b4\ub9bd\ub2c8\ub2e4. \uadf8\ub4e4\uc740 \ub77c\uc6b0\ud305 \ud14c\uc774\ube14\uc744 \ucc38\uc870\ud558\uc5ec \ub370\uc774\ud130\uadf8\ub7a8\uc774 \uc758\ub3c4\ud55c \uc218\uc2e0\uc790\uc5d0\uac8c \ub3c4\ub2ec\ud558\ub294 \uac00\uc7a5 \ud6a8\uc728\uc801\uc778 \uacbd\ub85c\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c \uc804\ubc18\uc5d0 \uac78\uccd0 \uae00\ub85c\ubc8c \uc5f0\uacb0\uacfc \ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130 \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc804\uc1a1 \uacc4\uce35 PDU<\/h3>\n<p><\/p>\n<h4>PDU\ub85c\uc11c\uc758 TCP \uc138\uadf8\uba3c\ud2b8<\/h4>\n<p><\/p>\n<p>TCP\/IP \ubaa8\ub378\uc758 \uc804\uc1a1 \uacc4\uce35\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub300\ud55c \uc885\ub2e8 \uac04 \ud1b5\uc2e0 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc548\uc815\uc801\uc778 \uc5f0\uacb0 \uc9c0\ud5a5 \ud1b5\uc2e0\uc744 \uc704\ud574 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub294 TCP \uc138\uadf8\uba3c\ud2b8\uc785\ub2c8\ub2e4. TCP \uc138\uadf8\uba3c\ud2b8\ub294 \ub370\uc774\ud130 \uc804\ub2ec, \uc21c\uc11c \uc9c0\uc815 \ubc0f \uc624\ub958 \ud655\uc778\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc5f0\uacb0\uc744 \uc124\uc815\ud558\uace0 \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud55c \ub2e4\uc74c \uc5f0\uacb0\uc744 \uc885\ub8cc\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc2e0\ub8b0\uc131 \ub355\ubd84\uc5d0 TCP\ub294 \uc6f9 \ube0c\ub77c\uc6b0\uc9d5 \ubc0f \uc774\uba54\uc77c\uacfc \uac19\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU\ub85c\uc11c\uc758 UDP \ub370\uc774\ud130\uadf8\ub7a8<\/h4>\n<p><\/p>\n<p>\ubc18\ub300\ub85c, \uc5f0\uacb0\uc774 \uc5c6\uace0 \ub354 \ube60\ub978 \ud1b5\uc2e0\uc744 \uc704\ud574 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub294 UDP \ub370\uc774\ud130\uadf8\ub7a8\uc785\ub2c8\ub2e4. UDP \ub370\uc774\ud130\uadf8\ub7a8\uc740 \ubcf4\uc7a5\ub41c \uc804\ub2ec\ubcf4\ub2e4 \uc18d\ub3c4\ub97c \uc6b0\uc120\uc2dc\ud569\ub2c8\ub2e4. \uc5f0\uacb0\uc744 \uc124\uc815\ud558\uac70\ub098 \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c UDP\ub294 \uc2a4\ud2b8\ub9ac\ubc0d \ube44\ub514\uc624, \uc628\ub77c\uc778 \uac8c\uc784, DNS \uc870\ud68c \ub4f1 \uc18d\ub3c4\uac00 \uc911\uc694\ud558\uace0 \uc77c\ubd80 \ub370\uc774\ud130 \uc190\uc2e4\uc774 \ud5c8\uc6a9\ub418\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub808\uc774\uc5b4 PDU<\/h3>\n<p><\/p>\n<h4>PDU\ub85c\uc11c\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub370\uc774\ud130 \uc720\ub2db<\/h4>\n<p><\/p>\n<p>TCP\/IP \ubaa8\ub378\uc758 \ucd5c\uc0c1\uc704 \uacc4\uce35\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc5d0\uc11c \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub294 \uac04\ub2e8\ud788 \ub9d0\ud574\uc11c <strong>\ub370\uc774\ud130<\/strong>. \uc774 \uacc4\uce35\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uacfc \uc9c1\uc811 \uc0c1\ud638 \uc791\uc6a9\ud569\ub2c8\ub2e4. \ucd5c\uc885 \uc0ac\uc6a9\uc790 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub124\ud2b8\uc6cc\ud06c \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\ub294 \uc6f9 \ube0c\ub77c\uc6b0\uc800, \uc774\uba54\uc77c \ud074\ub77c\uc774\uc5b8\ud2b8 \ub610\ub294 \ud30c\uc77c \uc804\uc1a1 \ud504\ub85c\uadf8\ub7a8\uacfc \uac19\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uacfc\uc758 \uc0c1\ud638 \uc791\uc6a9\uc744 \ud1b5\ud574 \uc774 \ub370\uc774\ud130\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc740 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud55c \uc804\uc1a1\uc744 \uc704\ud574 \uc774 \ub370\uc774\ud130\ub97c \uc900\ube44\ud569\ub2c8\ub2e4. \ub610\ud55c \ud558\uc704 \uacc4\uce35\uc73c\ub85c\ubd80\ud130 \ub370\uc774\ud130\ub97c \uc218\uc2e0\ud558\uc5ec \uc801\uc808\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \"\ub370\uc774\ud130\"\ub294 \uc0ac\uc6a9\uc790\uac00 \ubcf4\ub0b4\uac70\ub098 \ubc1b\uae30\ub97c \uc6d0\ud558\ub294 \uc2e4\uc81c \uc815\ubcf4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ud558\uc704 \uacc4\uce35\uc758 \ub124\ud2b8\uc6cc\ud06c\ubcc4 \ud5e4\ub354\ub098 \ud2b8\ub808\uc77c\ub7ec\ub294 \ud3ec\ud568\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\ud504\ub85c\ud1a0\ucf5c\ubcc4 PDU \ub370\uc774\ud130<\/h4>\n<p><\/p>\n<p>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc5d0\uc11c PDU\uc5d0 \ub300\ud55c \uc77c\ubc18\uc801\uc778 \uc6a9\uc5b4\ub294 \"\ub370\uc774\ud130\"\uc774\uc9c0\ub9cc \ud2b9\uc815 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud504\ub85c\ud1a0\ucf5c\uc740 \uace0\uc720\ud55c PDU \ud615\uc2dd\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud615\uc2dd\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \uba54\uc2dc\uc9c0\ub97c \uad6c\uc131\ud558\ub294 \ubc29\uc2dd\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 HTTP(Hypertext Transfer Protocol)\ub294 \uc694\uccad\uacfc \uc751\ub2f5\uc744 PDU\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc6f9 \ube0c\ub77c\uc6b0\uc800\ub294 \uc6f9 \uc11c\ubc84\uc5d0 HTTP GET \uc694\uccad\uc744 \ubcf4\ub0c5\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc11c\ubc84\ub294 \uc694\uccad\ub41c \uc6f9 \ud398\uc774\uc9c0\uac00 \ud3ec\ud568\ub41c HTTP \uc751\ub2f5\uc744 \ubcf4\ub0c5\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c FTP(\ud30c\uc77c \uc804\uc1a1 \ud504\ub85c\ud1a0\ucf5c)\ub294 \ud30c\uc77c \uc804\uc1a1\uc5d0 \ub300\ud55c \uba85\ub839\uacfc \uc751\ub2f5\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. SMTP(Simple Mail Transfer Protocol)\ub294 \uc774\uba54\uc77c \uc804\uc1a1\uc744 \uc704\ud574 \ud2b9\uc815 \uba85\ub839\uacfc \ub370\uc774\ud130 \uad6c\uc870\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uac01 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud504\ub85c\ud1a0\ucf5c\uc5d0\ub294 \uad50\ud658\ud558\ub294 \ub370\uc774\ud130\uc758 \ud615\uc2dd\uc744 \uc9c0\uc815\ud558\uae30 \uc704\ud55c \uace0\uc720\ud55c \uaddc\uce59 \uc138\ud2b8\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uaddc\uce59\uc740 \ud1b5\uc2e0 \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc774 \uc11c\ub85c\ub97c \uc774\ud574\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc774 \uacc4\uce35\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac04 \ud1b5\uc2e0\uc758 \uc138\ubd80 \uc0ac\ud56d\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub2e4\uc591\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uc6d0\ud65c\ud558\uac8c \uc0c1\ud638 \uc791\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>4. PDU\uc758 \uad6c\uc870<\/h2>\n<p><\/p>\n<p>\ubaa8\ub4e0 <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/pdu-networking-basics-importance-in-network-communication\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db<\/a> (PDU)\ub294 \ub124\ud2b8\uc6cc\ud06c \uc7a5\uce58\uac00 \uc804\ub2ec\ud558\ub294 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\uace0 \uc774\ud574\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \ud2b9\uc815 \uad6c\uc870\ub97c \ub530\ub985\ub2c8\ub2e4. \uc774 \uad6c\uc870\uc5d0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud5e4\ub354, \ud398\uc774\ub85c\ub4dc \ubc0f \ub54c\ub85c\ub294 \ud2b8\ub808\uc77c\ub7ec\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uac01 \ubd80\ubd84\uc740 \ub124\ud2b8\uc6cc\ud06c \uc804\ubc18\uc5d0 \uac78\uccd0 \ud6a8\uc728\uc801\uc774\uace0 \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ubcf4\uc7a5\ud558\ub294 \uace0\uc720\ud55c \ubaa9\uc801\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU \ud5e4\ub354 \uad6c\uc131 \uc694\uc18c<\/h3>\n<p><\/p>\n<p>\ud5e4\ub354\ub294 PDU\uc758 \uccab \ubc88\uc9f8 \ubd80\ubd84\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \uc548\ub0b4\ud558\ub294 \uc911\uc694\ud55c \uc81c\uc5b4 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU \ud5e4\ub354\uc758 \uc81c\uc5b4 \uc815\ubcf4<\/h4>\n<p><\/p>\n<p>PDU \ud5e4\ub354\uc5d0\ub294 PDU \uc720\ud615, \uae38\uc774, \ub2e4\uc591\ud55c \ud50c\ub798\uadf8\uc640 \uac19\uc740 \uc81c\uc5b4 \uc815\ubcf4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud544\ub4dc\ub294 \uc7a5\uce58\uac00 \ub370\uc774\ud130\ub97c \uc62c\ubc14\ub974\uac8c \ud574\uc11d\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ubc84\uc804 \ud544\ub4dc\ub294 IP \ud5e4\ub354\uc640 \uac19\uc774 \ud5e4\ub354 \uc2dc\uc791 \ubd80\ubd84\uc5d0 \ub098\ud0c0\ub098 \ud6c4\uc18d \ubc14\uc774\ud2b8\uc758 \ud615\uc2dd\uc744 \uacb0\uc815\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ud5e4\ub354\uc5d0\ub294 \uc18c\uc2a4 IP \uc8fc\uc18c\uc5d0 \ub300\ud55c 32\ube44\ud2b8 \ub2e8\uc5b4, \uccb4\ud06c\uc12c\uc5d0 \ub300\ud55c 16\ube44\ud2b8 \ubc18 \ub2e8\uc5b4 \ub610\ub294 TTL(Time-To-Live) \uac12\uc5d0 \ub300\ud55c 8\ube44\ud2b8 \ubc14\uc774\ud2b8\uc640 \uac19\uc740 \uc21c\uc11c \uc720\ud615\ub3c4 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc77c\ubd80 \ud5e4\ub354\uc5d0\ub294 IPv4\uc758 \ubc84\uc804 \ubc0f \ud50c\ub798\uadf8\uc640 \uac19\uc774 8\ube44\ud2b8\uc758 \ubc30\uc218\uac00 \uc544\ub2cc \ud06c\uae30\uc758 \ud544\ub4dc\uc778 \ube44\ud2b8 \ud544\ub4dc\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU \ud5e4\ub354\uc758 \uc18c\uc2a4 \ubc0f \ub300\uc0c1<\/h4>\n<p><\/p>\n<p>\uacb0\uc815\uc801\uc73c\ub85c \ud5e4\ub354\ub294 \uc18c\uc2a4 \ubc0f \ub300\uc0c1 \uc8fc\uc18c\ub3c4 \uc9c0\uc815\ud569\ub2c8\ub2e4. \uc774 \uc8fc\uc18c\ub294 \ub370\uc774\ud130\uac00 \uc5b4\ub514\uc11c \uc2dc\uc791\ub418\uc5c8\uace0 \uc5b4\ub514\ub85c \uac00\uc57c \ud558\ub294\uc9c0 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc54c\ub824\uc90d\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc5d0 \ub530\ub77c \uc774\ub294 \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc744 \uc704\ud55c MAC \uc8fc\uc18c\uc77c \uc218\ub3c4 \uc788\uace0 \uc778\ud130\ub137\uc744 \ud1b5\ud55c \ub77c\uc6b0\ud305\uc744 \uc704\ud55c IP \uc8fc\uc18c\uc77c \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU \ud398\uc774\ub85c\ub4dc \ucf58\ud150\uce20<\/h3>\n<p><\/p>\n<p>PDU\uc758 \ud398\uc774\ub85c\ub4dc \uc139\uc158\uc740 \uc804\uc1a1\ub418\ub294 \uc2e4\uc81c \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4. \uc1a1\uc2e0\uc790\uac00 \uc218\uc2e0\uc790\uc5d0\uac8c \uc804\ub2ec\ud558\uace0\uc790 \ud558\ub294 \ud575\uc2ec\uc815\ubcf4\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU \ud398\uc774\ub85c\ub4dc\uc758 \uc2e4\uc81c \ub370\uc774\ud130<\/h4>\n<p><\/p>\n<p>\ud398\uc774\ub85c\ub4dc\uc5d0\ub294 \ud1b5\uc2e0 \uc5d4\ub4dc\ud3ec\uc778\ud2b8\uc5d0\uc11c \ubcf4\ub0b8 \uc804\uc1a1 \ub370\uc774\ud130\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc6f9 \ucf58\ud150\uce20 \uc694\uccad\uacfc \uac19\uc774 \ucd5c\uc885 \uc0ac\uc6a9\uc790\uac00 \uc2e4\ud589\ud55c \uba85\ub839\uc774 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc0ac\uc6a9\uc790 \uc694\uccad\uc5d0 \ub300\ud55c \uc751\ub2f5\uc73c\ub85c \uc11c\ubc84\uc5d0\uc11c \uc804\uc1a1\ud55c \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc73c\ub85c \ud398\uc774\ub85c\ub4dc\uc5d0\ub294 \uc0ac\uc6a9\uc790\ub098 \uc7a5\uce58\uac00 IP \ud328\ud0b7\uc774\ub098 \ub2e4\ub978 PDU \ub0b4\uc5d0\uc11c \uc804\uc1a1\ud558\ub824\ub294 \ub370\uc774\ud130\uac00 \ub4e4\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\ud398\uc774\ub85c\ub4dc \ub0b4\uc5d0 \ucea1\uc290\ud654\ub41c PDU<\/h4>\n<p><\/p>\n<p>PDU\uc758 \ud398\uc774\ub85c\ub4dc\ub294 \uc0c1\uc704 \uacc4\uce35\uc758 \ub610 \ub2e4\ub978 PDU\uc778 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ucea1\uc290\ud654\ub77c\uace0 \ud558\ub294 \uc774 \ud504\ub85c\uc138\uc2a4\ub97c \uc0ac\uc6a9\ud558\uba74 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc774 \uc6d0\ubcf8 \ub370\uc774\ud130\ub97c \ubcf4\uc874\ud558\uba74\uc11c \uc790\uccb4 \uc81c\uc5b4 \uc815\ubcf4\ub97c \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, IP \ud328\ud0b7\uc758 \ud398\uc774\ub85c\ub4dc\uc5d0\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud558\ub294 TCP \uc138\uadf8\uba3c\ud2b8\uac00 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU \ud2b8\ub808\uc77c\ub7ec \uc694\uc18c<\/h3>\n<p><\/p>\n<p>\ubaa8\ub4e0 PDU\uc5d0 \ud2b8\ub808\uc77c\ub7ec\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\ub294 \uac83\uc740 \uc544\ub2c8\uc9c0\ub9cc, \uc788\ub294 \uacbd\uc6b0 \uc77c\ubc18\uc801\uc73c\ub85c \ub370\uc774\ud130 \ub2e8\uc704\uc758 \ub05d\uc5d0 \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uc608\uace0\ud3b8\uc740 \uc8fc\ub85c \uc624\ub958 \uac10\uc9c0\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU \ud2b8\ub808\uc77c\ub7ec\uc5d0\uc11c \uc624\ub958 \ud655\uc778 \uc911<\/h4>\n<p><\/p>\n<p>\uc608\uace0\ud3b8\uc5d0\ub294 \uc624\ub958 \uac10\uc9c0 \uba54\ucee4\ub2c8\uc998\uc774 \ud3ec\ud568\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc804\uc1a1 \uc624\ub958\ub97c \ubc29\uc9c0\ud558\uace0 \ubb38\uc81c\ub97c \uc2e0\uc18d\ud558\uac8c \uc2dd\ubcc4\ud558\uace0 \uc218\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubd80 \ud2b8\ub808\uc77c\ub7ec\uc5d0\ub294 \ud544\uc694\ud55c \uacbd\uc6b0 \ud328\ub529 \ubc14\uc774\ud2b8\ub3c4 \ud3ec\ud568\ub418\uc5b4 PDU\uc758 \uace0\uc815 \uae38\uc774\ub97c \uc81c\uacf5\ud558\uace0 LLC PDU\uc758 \ub05d\uc744 \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU\uc758 \ud504\ub808\uc784 \uac80\uc0ac \uc21c\uc11c<\/h4>\n<p><\/p>\n<p>\ud2b8\ub808\uc77c\ub7ec\uc758 \uacf5\ud1b5 \uc694\uc18c\ub294 FCS(Frame Check Sequence)\uc785\ub2c8\ub2e4. FCS\ub294 PDU \ub370\uc774\ud130\uc5d0 \ub300\ud574 \uc218\ud589\ub418\ub294 \uc218\ud559\uc801 \uacc4\uc0b0\uc785\ub2c8\ub2e4. \uc218\uc2e0 \uc7a5\uce58\ub3c4 \ub3d9\uc77c\ud55c \uacc4\uc0b0\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uacb0\uacfc\uac00 \uc77c\uce58\ud558\uba74 \ub370\uc774\ud130\uac00 \uc190\uc0c1\ub418\uc9c0 \uc54a\uace0 \ub3c4\ucc29\ud55c \uac83\uc785\ub2c8\ub2e4. \uc77c\uce58\ud558\uc9c0 \uc54a\uc73c\uba74 \uc218\uc2e0\uc790\ub294 \uc804\uc1a1 \uc911\uc5d0 \uc624\ub958\uac00 \ubc1c\uc0dd\ud588\uc74c\uc744 \uc54c\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>5. PDU \ucea1\uc290\ud654 \ubc0f \ucea1\uc290\ud654 \ud574\uc81c \ud504\ub85c\uc138\uc2a4<\/h2>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/20905881964143d38e4cba1c9e0c5446.webp\" alt=\"5. PDU \ucea1\uc290\ud654 \ubc0f \ucea1\uc290\ud654 \ud574\uc81c \ud504\ub85c\uc138\uc2a4\" \/><\/p>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc740 \ucea1\uc290\ud654\uc640 \ucea1\uc290\ud654 \ud574\uc81c\ub77c\ub294 \ub450 \uac00\uc9c0 \uae30\ubcf8 \ud504\ub85c\uc138\uc2a4\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud504\ub85c\uc138\uc2a4\ub294 \ub370\uc774\ud130\uac00 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc744 \ud1b5\ud574 \uc62c\ubc14\ub974\uac8c \uc774\ub3d9\ud558\uace0 \ubaa9\uc801\uc9c0\uc5d0 \uadf8\ub300\ub85c \ub3c4\ucc29\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ucea1\uc290\ud654\ub294 \uc804\uc1a1\ud560 \ub370\uc774\ud130\ub97c \uc900\ube44\ud558\ub294 \ubc18\uba74, \ucea1\uc290\ud654 \ud574\uc81c\ub294 \ub3c4\ucc29 \uc2dc \ub370\uc774\ud130\uc758 \uc555\ucd95\uc744 \ud489\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc2a4\ud0dd \uc544\ub798\ub85c PDU \ub370\uc774\ud130 \ud750\ub984<\/h3>\n<p><\/p>\n<p>\ub370\uc774\ud130\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc5d0\uc11c \uc774\ub3d9\uc744 \uc2dc\uc791\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uc2a4\ud0dd\uc744 \ud1b5\ud574 \uc544\ub798\ucabd\uc73c\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4. \uac01 \ub808\uc774\uc5b4\ub294 \uace0\uc720\ud55c \uc81c\uc5b4 \uc815\ubcf4\ub97c \ucd94\uac00\ud558\uc5ec \ud2b9\uc815 \uae30\ub2a5\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU\uc5d0 \ud5e4\ub354 \ucd94\uac00<\/h4>\n<p><\/p>\n<p>\ub370\uc774\ud130\uac00 \ud504\ub85c\ud1a0\ucf5c \uc2a4\ud0dd \uc544\ub798\ub85c \uc774\ub3d9\ud558\uba74 \uac01 \uacc4\uce35\uc740 \uc704 \uacc4\uce35\uc5d0\uc11c PDU(Protocol Data Unit)\ub97c \uac00\uc838\uc640 \uc790\uccb4 \ud5e4\ub354 \uc815\ubcf4\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc5d0\uc11c \uc2dc\uc791\ub429\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\uac00 \ud1b5\uc2e0\uc744 \uc2dc\uc791\ud558\uba74 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud504\ub85c\ud1a0\ucf5c\uc740 \uc801\uc808\ud55c \uc804\uc1a1 \uacc4\uce35 \ud504\ub85c\ud1a0\ucf5c\uc5d0\uc11c \ucc98\ub9ac\ud560 \uc218 \uc788\ub3c4\ub85d \ud328\ud0b7 \ud615\uc2dd\uc744 \uc9c0\uc815\ud569\ub2c8\ub2e4. \uc804\uc1a1 \uacc4\uce35\uc5d0\uc11c \ub370\uc774\ud130 \ucea1\uc290\ud654\uac00 \uc2dc\uc791\ub429\ub2c8\ub2e4. TCP\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub370\uc774\ud130\ub97c \uc138\uadf8\uba3c\ud2b8\ub85c \ub098\ub204\uace0 \ud5e4\ub354\ub97c \ucca8\ubd80\ud569\ub2c8\ub2e4. \uc774 \ud5e4\ub354\uc5d0\ub294 \ubc1c\uc2e0\uc790\/\uc218\uc2e0\uc790 \ud3ec\ud2b8, \uc138\uadf8\uba3c\ud2b8 \uc21c\uc11c \ubc0f \uc624\ub958 \uac10\uc9c0\ub97c \uc704\ud55c \uccb4\ud06c\uc12c\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\ub808\uc774\uc5b4\ubcc4 PDU \ub798\ud551<\/h4>\n<p><\/p>\n<p>\ucea1\uc290\ud654 \ud504\ub85c\uc138\uc2a4\uc5d0\ub294 \uac01 \uacc4\uce35\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uccb4\uacc4\uc801\uc73c\ub85c \ub798\ud551\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<ol><\/p>\n<li><strong>\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \uacc4\uce35<\/strong>: \uc0ac\uc6a9\uc790 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \uc804\uc1a1\ud560 \ub370\uc774\ud130\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc804\uc1a1 \uacc4\uce35<\/strong>: TCP \ub610\ub294 UDP \ud5e4\ub354\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc774 \ud5e4\ub354\uc5d0\ub294 TCP\uc758 \uacbd\uc6b0 \ud3ec\ud2b8 \ubc88\ud638, \uc2dc\ud000\uc2a4 \ubc88\ud638 \ubc0f \uc2b9\uc778 \ubc88\ud638\uac00 \ud3ec\ud568\ub418\uba70 UDP\uc758 \uacbd\uc6b0 \uc18c\uc2a4\/\ub300\uc0c1 \ud3ec\ud2b8, \uae38\uc774 \ubc0f \uccb4\ud06c\uc12c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35<\/strong>: \uc774 \uacc4\uce35\uc740 IP \ud5e4\ub354 \ub0b4\uc5d0 \uc804\uc1a1 \uc138\uadf8\uba3c\ud2b8\ub97c \ucea1\uc290\ud654\ud569\ub2c8\ub2e4. IP \ud5e4\ub354\uc5d0\ub294 \uc18c\uc2a4\/\ub300\uc0c1 IP \uc8fc\uc18c, TTL(Time to Live) \uac12 \ubc0f \ud504\ub85c\ud1a0\ucf5c \uc2dd\ubcc4\uc790\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35<\/strong>: \ud5e4\ub354(\uc18c\uc2a4\/\ub300\uc0c1 MAC \uc8fc\uc18c \ud3ec\ud568)\uc640 \ud2b8\ub808\uc77c\ub7ec(\uc624\ub958 \uac10\uc9c0\ub97c \uc704\ud55c \ud504\ub808\uc784 \uac80\uc0ac \uc2dc\ud000\uc2a4 \ud3ec\ud568)\ub97c \ubaa8\ub450 \ucd94\uac00\ud558\uc5ec \ud504\ub808\uc784\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\ubb3c\ub9ac\uce35<\/strong>: \uc774 \ub808\uc774\uc5b4\ub294 \uc804\uc1a1\uc744 \uc704\ud574 \uc804\uccb4 \ud504\ub808\uc784\uc744 \uc804\uae30 \uc2e0\ud638, \uad11 \ud384\uc2a4 \ub610\ub294 \uc804\ud30c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/li>\n<p><\/ol>\n<p><\/p>\n<p>\uc774 \ud45c\uc5d0\ub294 \uac01 \ub2e8\uacc4\uc758 PDU \uc6a9\uc5b4\uac00 \uc694\uc57d\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<table><\/p>\n<thead><\/p>\n<tr><\/p>\n<th align=\"left\">\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35<\/th>\n<p><\/p>\n<th align=\"left\">PDU \uc6a9\uc5b4<\/th>\n<p><\/tr>\n<p><\/thead>\n<p><\/p>\n<tbody><\/p>\n<tr><\/p>\n<td align=\"left\">\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \uacc4\uce35<\/td>\n<p><\/p>\n<td align=\"left\">\ub370\uc774\ud130 \ub610\ub294 \uba54\uc2dc\uc9c0<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td align=\"left\">\uc804\uc1a1 \uacc4\uce35<\/td>\n<p><\/p>\n<td align=\"left\">\uc138\uadf8\uba3c\ud2b8(TCP) \ub610\ub294 \ub370\uc774\ud130\uadf8\ub7a8(UDP)<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td align=\"left\">\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35<\/td>\n<p><\/p>\n<td align=\"left\">\ud328\ud0b7<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td align=\"left\">\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35<\/td>\n<p><\/p>\n<td align=\"left\">\uc561\uc790<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td align=\"left\">\ubb3c\ub9ac\uce35<\/td>\n<p><\/p>\n<td align=\"left\">\ube44\ud2b8<\/td>\n<p><\/tr>\n<p><\/tbody>\n<p><\/table>\n<p><\/p>\n<h3>PDU \ub370\uc774\ud130\uac00 \uc2a4\ud0dd \uc704\ub85c \ud750\ub984<\/h3>\n<p><\/p>\n<p>\ucea1\uc290\ud654 \ud574\uc81c\ub294 \ucea1\uc290\ud654\uc758 \uc815\ubc18\ub300 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \ucea1\uc290\ud654\ud558\ub294 \ub3d9\uc548 \ubcf4\ub0b8 \uc0ac\ub78c \uce21\uc5d0 \ucd94\uac00\ub41c \ucd94\uac00 \uc815\ubcf4(\ud5e4\ub354 \ubc0f \ud2b8\ub808\uc77c\ub7ec)\ub97c \uc81c\uac70\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ub370\uc774\ud130\ub294 \ubb3c\ub9ac \uacc4\uce35\uc5d0\uc11c \uc218\uc2e0\uc790 \uce21 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uae4c\uc9c0 \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU \ud5e4\ub354 \uc81c\uac70<\/h4>\n<p><\/p>\n<p>\ub370\uc774\ud130\uac00 \uc218\uc2e0 \uc7a5\uce58\uc758 \ub124\ud2b8\uc6cc\ud06c \uc2a4\ud0dd\uc73c\ub85c \uc62c\ub77c\uac00\uba74 \uac01 \uacc4\uce35\uc740 \uc1a1\uc2e0 \uce21\uc758 \ud574\ub2f9 \uacc4\uce35\uc5d0\uc11c \ucd94\uac00\ud55c \ud5e4\ub354\uc640 \ud2b8\ub808\uc77c\ub7ec\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4. \uc774 \uc2a4\ud2b8\ub9ac\ud551 \ud504\ub85c\uc138\uc2a4\ub294 \ub2e4\uc74c \uc0c1\uc704 \uacc4\uce35\uc744 \uc704\ud55c \ub370\uc774\ud130\ub97c \ub4dc\ub7ec\ub0c5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU \ub370\uc774\ud130 \uc5b8\ub798\ud551<\/h4>\n<p><\/p>\n<p>\ub370\uc774\ud130 \uc5b8\ub798\ud551\uc740 \uc815\ud655\ud55c \ub808\uc774\uc5b4\ubcc4 \uc21c\uc11c\ub85c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<ol><\/p>\n<li><strong>\ubb3c\ub9ac\uce35<\/strong>: \ub124\ud2b8\uc6cc\ud06c \uc778\ud130\ud398\uc774\uc2a4 \uce74\ub4dc(NIC)\ub294 \uc804\uae30 \uc2e0\ud638\ub97c \ub514\uc9c0\ud138 \ub370\uc774\ud130\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \ud328\ud0b7 \ub3c4\ucc29 \uc2dc \ucd08\uae30 \ud504\ub808\uc784 \uc720\ud6a8\uc131 \uac80\uc0ac\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35<\/strong>: NIC \ub610\ub294 \uc7a5\uce58 \ub4dc\ub77c\uc774\ubc84\uac00 \ud504\ub808\uc784 \ud5e4\ub354\ub97c \uac80\uc0ac\ud569\ub2c8\ub2e4. \ub300\uc0c1 MAC \uc8fc\uc18c\ub97c \ud655\uc778\ud569\ub2c8\ub2e4. \uc77c\uce58\ud558\uba74 \ub370\uc774\ud130 \ub9c1\ud06c \ud5e4\ub354\ub97c \uc81c\uac70\ud558\uace0 \ub098\uba38\uc9c0 \ud328\ud0b7\uc744 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc73c\ub85c \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35<\/strong>: \uc6b4\uc601 \uccb4\uc81c\uc758 \ub124\ud2b8\uc6cc\ud06c \uc2a4\ud0dd\uc740 IP \ud5e4\ub354\ub97c \uac80\uc0ac\ud569\ub2c8\ub2e4. \ubaa9\uc801\uc9c0 IP \uc8fc\uc18c\ub97c \ud655\uc778\ud558\uace0 \ub77c\uc6b0\ud305 \uc815\ubcf4\ub97c \ucd94\ucd9c\ud569\ub2c8\ub2e4. \uac80\uc99d \ud6c4 IP \ud5e4\ub354\uac00 \uc81c\uac70\ub418\uace0 \uc801\uc808\ud55c \uc804\uc1a1 \uacc4\uce35 \ud504\ub85c\ud1a0\ucf5c\uc774 \uacb0\uc815\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc804\uc1a1 \uacc4\uce35<\/strong>: \ucc98\ub9ac\ub294 \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. TCP\uc758 \uacbd\uc6b0 TCP \ud5e4\ub354\ub97c \uc81c\uac70\ud558\uae30 \uc804\uc5d0 \uc2dc\ud000\uc2a4 \ubc88\ud638, \uc2b9\uc778 \ubc88\ud638 \ubc0f \ucc3d \ud06c\uae30\ub97c \uac80\uc0ac\ud569\ub2c8\ub2e4. UDP\uc758 \uacbd\uc6b0 \uc81c\uac70 \uc804\uc5d0 \uae30\ubcf8 \ud5e4\ub354 \uc720\ud6a8\uc131 \uac80\uc0ac\uac00 \uc218\ud589\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc138\uc158, \ud504\ub9ac\uc820\ud14c\uc774\uc158 \ubc0f \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35<\/strong>: \uc774\ub7ec\ud55c \uacc4\uce35\uc740 \ud504\ub85c\ud1a0\ucf5c\ubcc4 \ucc98\ub9ac\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc554\ud638\ud654\/\uc554\ud638 \ud574\ub3c5, \ub370\uc774\ud130 \uc555\ucd95 \ub610\ub294 \ud615\uc2dd \ubcc0\ud658\uc774 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ud398\uc774\ub85c\ub4dc\ub97c \ub300\uc0c1 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/li>\n<p><\/ol>\n<p><\/p>\n<h2>6. PDU\uac00 \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc5d0 \uc911\uc694\ud55c \uc774\uc720<\/h2>\n<p><\/p>\n<p><a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/pdu-guide-what-is-power-distribution-unit-how-it-works\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db(PDU)<\/a> \ub124\ud2b8\uc6cc\ud0b9\uc758 \uae30\ubcf8\uc774\uba70 \uc7a5\uce58 \uac04 \ud6a8\uc728\uc801\uc774\uace0 \uc624\ub958 \uc5c6\ub294 \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc774\ub294 \ub370\uc774\ud130\ub97c \uc704\ud55c \uad6c\uc870\ud654\ub41c \ucee8\ud14c\uc774\ub108 \uc5ed\ud560\uc744 \ud558\ubbc0\ub85c \ud604\ub300 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc5c6\uc5b4\uc11c\ub294 \uc548 \ub420 \uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU \ub370\uc774\ud130 \ubb34\uacb0\uc131 \ubcf4\uc7a5<\/h3>\n<p><\/p>\n<p>PDU\ub294 \ub124\ud2b8\uc6cc\ud06c \uc804\uc1a1 \uc911\uc5d0 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \uae30\ubcf8\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc624\ub958\ub97c \uac10\uc9c0\ud558\uace0 \uc218\uc815\ud558\ub294 \uba54\ucee4\ub2c8\uc998\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU\uc758 \uc624\ub958 \uac10\uc9c0<\/h4>\n<p><\/p>\n<p>\uc624\ub958 \uac10\uc9c0\ub294 PDU\uc758 \uc911\uc694\ud55c \uae30\ub2a5\uc785\ub2c8\ub2e4. UDP \ud5e4\ub354\uc5d0\ub294 \uccb4\ud06c\uc12c \ud544\ub4dc\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uccb4\ud06c\uc12c\uc744 \uc0ac\uc6a9\ud558\uba74 \ud5e4\ub354\uc640 \ub370\uc774\ud130 \uc2a4\ud2b8\ub9bc \ubaa8\ub450\uc5d0 \ub300\ud55c \uc624\ub958 \uac80\uc0ac\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c TCP \uc138\uadf8\uba3c\ud2b8\uc5d0\ub3c4 \uccb4\ud06c\uc12c \ud544\ub4dc\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ud544\ub4dc\ub294 TCP \uc138\uadf8\uba3c\ud2b8\uc5d0 \ucd94\uac00\uc801\uc778 \uc2e0\ub8b0\uc131\uacfc \ubcf4\uc548\uc744 \uc81c\uacf5\ud558\uc5ec \uc804\uc1a1 \uc911 \uc624\ub958\ub97c \uac10\uc9c0\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc548\uc815\uc801\uc778 PDU \uc804\uc1a1<\/h4>\n<p><\/p>\n<p>\uc548\uc815\uc801\uc778 \uc804\uc1a1\uc740 \ub370\uc774\ud130\uac00 \uc644\uc804\ud558\uace0 \uc62c\ubc14\ub978 \uc21c\uc11c\ub85c \ub3c4\ucc29\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. TCP \uc138\uadf8\uba3c\ud2b8\ub294 \uc2dc\ud000\uc2a4 \ubc88\ud638\uc640 \uc2b9\uc778 \ubc88\ud638\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud544\ub4dc\ub294 \uc138\uadf8\uba3c\ud2b8 \ucc28\ubcc4\ud654, \uc7ac\uc815\ub82c \ubc0f \u200b\u200b\uc190\uc2e4\ub41c \uc138\uadf8\uba3c\ud2b8 \uc7ac\uc804\uc1a1\uc5d0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub294 \ub370\uc774\ud130\uac00 \uc62c\ubc14\ub978 \uc21c\uc11c\ub85c \ub3c4\ucc29\ud558\uace0 \ub370\uc774\ud130\uac00 \ub204\ub77d\ub418\uc9c0 \uc54a\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc774 \ud45c\uc5d0\uc11c\ub294 \uc2e0\ub8b0\uc131 \ucc28\uc774\ub97c \uac15\uc870\ud569\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<table><\/p>\n<thead><\/p>\n<tr><\/p>\n<th>\ud2b9\uc9d5<\/th>\n<p><\/p>\n<th>TCP<\/th>\n<p><\/p>\n<th>UDP<\/th>\n<p><\/tr>\n<p><\/thead>\n<p><\/p>\n<tbody><\/p>\n<tr><\/p>\n<td>\uc2e0\ub8b0\ud560 \uc218 \uc788\uc74c<\/td>\n<p><\/p>\n<td>\ubbff\uc744 \uc218 \uc788\ub294<\/td>\n<p><\/p>\n<td>\uc2e0\ub8b0\ud560 \uc218 \uc5c6\ub294<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\uc138\uadf8\uba3c\ud2b8 \uc7ac\uc804\uc1a1<\/td>\n<p><\/p>\n<td>\uc608<\/td>\n<p><\/p>\n<td>\uc544\ub2c8\uc694<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\uc138\uadf8\uba3c\ud2b8 \uc2dc\ud000\uc2f1<\/td>\n<p><\/p>\n<td>\uc608<\/td>\n<p><\/p>\n<td>\uc544\ub2c8\uc694<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\uc2b9\uc778<\/td>\n<p><\/p>\n<td>\uc608<\/td>\n<p><\/p>\n<td>\uc544\ub2c8\uc694<\/td>\n<p><\/tr>\n<p><\/tbody>\n<p><\/table>\n<p><\/p>\n<h3>PDU \ub124\ud2b8\uc6cc\ud06c \ub77c\uc6b0\ud305 \ucd09\uc9c4<\/h3>\n<p><\/p>\n<p>PDU\ub294 \ubcf5\uc7a1\ud55c \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \uc548\ub0b4\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ud6a8\uc728\uc801\uc778 \ub77c\uc6b0\ud305\uc744 \uc704\ud574 \ud544\uc694\ud55c \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU\uc758 \uc815\ubcf4 \uc8fc\uc18c \uc9c0\uc815<\/h4>\n<p><\/p>\n<p>PDU \ud5e4\ub354\ub294 \ub370\uc774\ud130 \uac00\uc774\ub4dc \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc18c\uc2a4 \ubc0f \ub300\uc0c1 \uc8fc\uc18c\uc640 \uac19\uc740 \ub77c\uc6b0\ud305 \uc138\ubd80 \uc815\ubcf4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc774 \uc815\ubcf4\ub294 \ub370\uc774\ud130\ub97c \uc62c\ubc14\ub978 \uc704\uce58\ub85c \uc548\ub0b4\ud569\ub2c8\ub2e4. \ud5e4\ub354\uac00 \uc5c6\uc73c\uba74 \ub370\uc774\ud130\uc758 \ubc29\ud5a5\uc774 \ubd80\uc871\ud574 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc190\uc2e4\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud5e4\ub354 \ub0b4\uc758 \uc21c\uc11c \uc815\ubcf4\ub294 \uc870\uac01\ub09c \ub370\uc774\ud130\uac00 \ubaa9\uc801\uc9c0\uc5d0\uc11c \uc62c\ubc14\ub974\uac8c \uc7ac\uc870\ub9bd\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU \uacbd\ub85c \uacb0\uc815<\/h4>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc5d0\uc11c\ub294 PDU\ub97c \ud328\ud0b7\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud328\ud0b7\uc5d0\ub294 \ub77c\uc6b0\ud305 \uc815\ubcf4\uac00 \ud1b5\ud569\ub418\uc5b4 \ub124\ud2b8\uc6cc\ud06c \uc804\ubc18\uc5d0 \uac78\uccd0 \uc6d0\ud65c\ud558\uace0 \ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130 \ud750\ub984\uc744 \ucd09\uc9c4\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud328\ud0b7\uc740 \ub370\uc774\ud130\ub97c \uc758\ub3c4\ud55c \ub300\uc0c1\uc73c\ub85c \uc548\ub0b4\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc740 \ub17c\ub9ac\uc801 \uc8fc\uc18c \uc9c0\uc815\uc744 \ud65c\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \uc804\ub2ec\uc744 \uc704\ud55c \uac00\uc7a5 \ud6a8\uacfc\uc801\uc778 \uacbd\ub85c\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \ud5e4\ub354\ubd80\ud130 \ud2b8\ub808\uc77c\ub7ec\uae4c\uc9c0 \uac01 PDU \uad6c\uc131 \uc694\uc18c\ub294 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\uace0 \uc801\uc808\ud55c \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU\uc640\uc758 \uc7a5\uce58 \uc0c1\ud638 \uc6b4\uc6a9\uc131 \ud65c\uc131\ud654<\/h3>\n<p><\/p>\n<p>PDU\ub97c \uc0ac\uc6a9\ud558\uba74 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c \uc7a5\uce58\uac00 \ud6a8\uacfc\uc801\uc73c\ub85c \ud1b5\uc2e0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud45c\uc900\ud654\ub41c \ud615\uc2dd\uacfc \ud504\ub85c\ud1a0\ucf5c \uc900\uc218\ub97c \ud1b5\ud574 \uc774\ub97c \ub2ec\uc131\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\ud45c\uc900\ud654\ub41c PDU \ud615\uc2dd<\/h4>\n<p><\/p>\n<p>\ud45c\uc900\ud654\ub41c PDU \ud615\uc2dd\uc744 \ud1b5\ud574 \ub2e4\uc591\ud55c \ud558\ub4dc\uc6e8\uc5b4\uc640 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uac00 \uc11c\ub85c\ub97c \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud45c\uc900\ud654\ub97c \ud1b5\ud574 \ud55c \uacf5\uae09\uc5c5\uccb4\uc758 \ub124\ud2b8\uc6cc\ud06c \uce74\ub4dc\uc5d0\uc11c \uc0dd\uc131\ub41c \ud504\ub808\uc784\uc744 \ub2e4\ub978 \uacf5\uae09\uc5c5\uccb4\uc5d0\uc11c \uc62c\ubc14\ub974\uac8c \ud574\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc77c\uad00\uc131\uc740 \uae00\ub85c\ubc8c \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU\uc5d0 \ub300\ud55c \ud504\ub85c\ud1a0\ucf5c \uc900\uc218<\/h4>\n<p><\/p>\n<p>\uc0c1\ud638 \uc6b4\uc6a9\uc131\uc744 \uc704\ud574\uc11c\ub294 \ud655\ub9bd\ub41c \ud504\ub85c\ud1a0\ucf5c\uc744 \uc900\uc218\ud558\ub294 \uac83\uc774 \uac00\uc7a5 \uc911\uc694\ud569\ub2c8\ub2e4. \ud504\ub85c\ud1a0\ucf5c\uc740 PDU \uc0dd\uc131 \ubc0f \ud574\uc11d\uc5d0 \ub300\ud55c \uaddc\uce59\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 OSI \ubaa8\ub378 \uacc4\uce35 \uac04\uc758 \uc6d0\ud65c\ud55c \uc0c1\ud638 \uc791\uc6a9\uc774 \ubcf4\uc7a5\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc804\uc1a1 \uacc4\uce35 \uc138\uadf8\uba3c\ud2b8\uc5d0\ub294 \ubc30\ub2ec \ud655\uc778\uc5d0 \ub300\ud55c \uc2b9\uc778\uc774 \ud3ec\ud568\ub418\ub294 \ubc18\uba74, \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 \ud328\ud0b7\uc740 \ub77c\uc6b0\ud305 \ub370\uc774\ud130\ub97c \uc9c1\uc811 \uc815\ubcf4\ub85c \uc804\ub2ec\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc900\uc218\ub97c \ud1b5\ud574 \ub2e4\uc591\ud55c \uc81c\uc870\uc5c5\uccb4\uc758 \uc7a5\uce58\uac00 \ubb38\uc81c \uc5c6\uc774 \ud1b5\uc2e0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>7. PDU \uc870\uac01\ud654 \ubc0f \uc7ac\uc870\ub9bd<\/h2>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/0e8e4c8996c3432d98fb1b776ca52af5.webp\" alt=\"7. PDU \uc870\uac01\ud654 \ubc0f \uc7ac\uc870\ub9bd\" \/><\/p>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc5d0\ub294 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8\ub97c \ud1b5\ud55c \ub370\uc774\ud130 \uc804\uc1a1\uc774 \ud3ec\ud568\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc138\uadf8\uba3c\ud2b8\ub294 \ub2e4\uc591\ud55c \uc6a9\ub7c9\uc744 \uac00\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. PDU \uc870\uac01\ud654 \ubc0f \uc7ac\uc870\ub9bd\uc740 \uc774\ub7ec\ud55c \uc870\uac74\uc5d0\uc11c \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uad00\ub9ac\ud558\ub294 \uc911\uc694\ud55c \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ub300\uaddc\ubaa8 PDU \ub370\uc774\ud130 \ubd84\uc11d<\/h3>\n<p><\/p>\n<p>\ub54c\ub54c\ub85c \ub300\ud615 PDU(Protocol Data Unit)\uac00 \uc6d0\ub798 \ud06c\uae30\ub85c \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8\ub97c \ud1b5\uacfc\ud560 \uc218 \uc5c6\ub294 \uacbd\uc6b0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\ub824\uba74 \ub354 \uc791\uc740 \uc870\uac01\uc73c\ub85c \ub098\ub204\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU\uc5d0 \ub300\ud55c MTU \uc81c\ud55c<\/h4>\n<p><\/p>\n<p>IP \ub2e8\ud3b8\ud654\ub294 \uc778\ud130\ub137 \ud504\ub85c\ud1a0\ucf5c(IP) \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \ud328\ud0b7\uc744 \uc870\uac01\uc774\ub77c\uace0 \ud558\ub294 \uc791\uc740 \uc870\uac01\uc73c\ub85c \ub098\ub215\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc870\uac01\uc740 \uc6d0\ub798 \ud328\ud0b7 \ud06c\uae30\ubcf4\ub2e4 \uc791\uc740 \ucd5c\ub300 \uc804\uc1a1 \ub2e8\uc704(MTU)\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub9c1\ud06c\ub97c \ud1b5\uacfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c\ub9c8\ub2e4 MTU \uc81c\ud55c\uc774 \ub2e4\ub978 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ud328\ud0b7\uc740 \ucd08\uae30 \uc804\uc1a1 \ub124\ud2b8\uc6cc\ud06c\ubcf4\ub2e4 \uc791\uc740 MTU\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c(\uc608: WAN \ub610\ub294 VPN \ud130\ub110)\ub97c \ud1b5\ud574 \ub77c\uc6b0\ud305\ud574\uc57c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud328\ud0b7 \ud06c\uae30\uac00 \uc774 \ub0ae\uc740 MTU\ub97c \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0 \ud574\ub2f9 \ub370\uc774\ud130\ub294 \uc870\uac01\ud654\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc870\uac01\ud654\ub294 \ub370\uc774\ud130\ub97c \ub0ae\uc740 MTU\uc640 \uac19\uac70\ub098 \uc791\uc740 \uc0c8 \ud328\ud0b7(\uc870\uac01)\uc73c\ub85c \ub098\ub215\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU \ub2e8\ud3b8\ud654\ub97c \ud1b5\ud55c \ub124\ud2b8\uc6cc\ud06c \ud6a8\uc728\uc131<\/h4>\n<p><\/p>\n<p>\uc870\uac01\ud654\ub294 \ub124\ud2b8\uc6cc\ud06c \ud6a8\uc728\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc804\uc1a1 \uacc4\uce35 \ud504\ub85c\ud1a0\ucf5c\uc740 \uae30\ubcf8 \ub124\ud2b8\uc6cc\ud06c \uc544\ud0a4\ud14d\ucc98\ub97c \uc778\uc2dd\ud558\uc9c0 \ubabb\ud558\uac8c \ub429\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc624\ubc84\ud5e4\ub4dc\uac00 \uc904\uc5b4\ub4ed\ub2c8\ub2e4. \ub2e8\ud3b8\ud654\ub97c \ud1b5\ud574 IP \ubc0f \uc0c1\uc704 \uacc4\uce35 \ud504\ub85c\ud1a0\ucf5c\uc774 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c \uacbd\ub85c\uc640 \ub9e4\uccb4\uc5d0\uc11c \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacbd\ub85c \uac80\uc0c9 \ud504\ub85c\ud1a0\ucf5c\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc720\uc5f0\uc131\uc744 \ud1b5\ud574 \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8\uc5d0 \ud06c\uae30 \uc81c\ud55c\uc774 \ub2e4\ub978 \uacbd\uc6b0\uc5d0\ub3c4 \ub370\uc774\ud130\uac00 \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU \ub370\uc774\ud130 \uc7ac\uad6c\uc131<\/h3>\n<p><\/p>\n<p>\uc870\uac01\ud654 \ud6c4\uc5d0 \uc218\uc2e0 \uc7a5\uce58\ub294 \ub354 \uc791\uc740 \uc870\uac01\uc744 \uc6d0\ub798 PDU\ub85c \uc7ac\uc870\ub9bd\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uacfc \uc21c\uc11c\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU \uc21c\uc11c \ubc0f \ubb34\uacb0\uc131<\/h4>\n<p><\/p>\n<p>PDU\ub294 \uc804\uc1a1 \uc911 \ub370\uc774\ud130 \uc870\uac01\ud654\ub97c \uad00\ub9ac\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4. MTU \uc218\uc900\uc744 \uc900\uc218\ud558\uae30 \uc704\ud574 \ub370\uc774\ud130 \ud328\ud0b7\uc744 \ubd84\ud574\ud569\ub2c8\ub2e4. \uc774\ub294 \uc870\uac01\ud654\ub41c \ub370\uc774\ud130\uc758 \uad6c\uc870\uc640 \uc21c\uc11c\uac00 \ubaa9\uc801\uc9c0\uc5d0\uc11c \ud6a8\uc728\uc801\uc73c\ub85c \uc7ac\uc870\ub9bd\ub420 \uc218 \uc788\ub3c4\ub85d \uc720\uc9c0\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc774 \uc2dc\uc2a4\ud15c\uc740 \ub370\uc774\ud130 \uc190\uc2e4\uc744 \ucd5c\uc18c\ud654\ud558\uace0 \uc804\uc1a1 \uc2e0\ub8b0\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c \ud658\uacbd\uc758 \ubcf5\uc7a1\ud55c \ub370\uc774\ud130 \uc2a4\ud2b8\ub9bc\uc5d0\ub3c4 \uc791\ub3d9\ud569\ub2c8\ub2e4. PDU\ub294 \ub370\uc774\ud130 \ud328\ud0b7\uc758 \ud615\uc2dd\uc774 \uc62c\ubc14\ub974\uace0 \uc21c\uc11c\uac00 \uc62c\ubc14\ub974\uba70 \uc624\ub958\uac00 \uc5c6\ub294\uc9c0 \ud655\uc778\ud558\uc5ec \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \ubcf4\ud638\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ub370\uc774\ud130 \uc804\uc1a1 \uc911 \uc624\ub958\ub97c \uac10\uc9c0\ud558\uace0 \uc218\uc815\ud558\uae30 \uc704\ud55c \uccb4\ud06c\uc12c \ub610\ub294 \uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac(CRC)\uac00 \ud3ec\ud568\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. IP \ud328\ud0b7\uc774 MTU \ud06c\uae30\ub97c \ucd08\uacfc\ud558\uba74 \ub77c\uc6b0\ud130\ub294 \uc774\ub97c \ub354 \uc791\uc740 \uc870\uac01\uc73c\ub85c \uc870\uac01\ud654\ud569\ub2c8\ub2e4. \uac01 \uc870\uac01\uc5d0\ub294 \uc2dd\ubcc4 \ud5e4\ub354 \uc138\uadf8\uba3c\ud2b8\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ud5e4\ub354\uc5d0\ub294 \uc2dc\ud000\uc2a4 \uc21c\uc11c \ubc0f \uc7ac\uc870\ub9bd \uc9c0\uce68\uacfc \uac19\uc740 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ub300\uc0c1\uc5d0\uc11c \uc774\ub7ec\ud55c \ud5e4\ub354\ub294 \uc870\uac01\uc744 \uc644\uc804\ud55c \ud328\ud0b7\uc73c\ub85c \uc7ac\uc870\ub9bd\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\ubd84\uc2e4\ub41c PDU \uc870\uac01 \ucc98\ub9ac<\/h4>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc758 \ud65c\ub3d9\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\ub294 \uc804\uc1a1 \uacc4\uce35\uc740 \ud328\ud0b7 \uc870\uac01\ud654 \ubc0f \uc7ac\uc870\ub9bd\uc744 \uad00\ub9ac\ud569\ub2c8\ub2e4. TCP \ud504\ub85c\ud1a0\ucf5c\uc740 \ud1b5\uc2e0\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \uc7ac\uc804\uc1a1\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc548\uc815\uc801\uc778 \ubc30\uc1a1\uc774 \ubcf4\uc7a5\ub429\ub2c8\ub2e4. \uc804\uc1a1 \uc911\uc5d0 \uc870\uac01\uc774 \uc190\uc2e4\ub418\uba74 \uc218\uc2e0 \uc7a5\uce58\ub294 \ub204\ub77d\ub41c \uc870\uac01\uc744 \uac10\uc9c0\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ud574\ub2f9 \ud2b9\uc815 \uc870\uac01\uc758 \uc7ac\uc804\uc1a1\uc744 \uc694\uccad\ud569\ub2c8\ub2e4. \uc774 \uba54\ucee4\ub2c8\uc998\uc740 \ub370\uc774\ud130\uc758 \ubaa8\ub4e0 \ubd80\ubd84\uc774 \uc218\uc2e0\ub418\uace0 \uc62c\ubc14\ub974\uac8c \uc870\ub9bd\ub418\uc5b4 \uc6d0\ub798 PDU\uc758 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>8. PDU \ud06c\uae30 \ubc0f \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5<\/h2>\n<p><\/p>\n<p>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db\uc758 \ud06c\uae30\ub294 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac\uc790\ub294 \ucd5c\uc801\uc758 \ucc98\ub9ac\ub7c9\uc744 \ub2ec\uc131\ud558\uace0 \ub300\uae30 \uc2dc\uac04\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 PDU \ud06c\uae30\ub97c \uc2e0\uc911\ud558\uac8c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uade0\ud615\uc740 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c \ud658\uacbd\uc5d0\uc11c \ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud574 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU \ud06c\uae30\uc758 \uc601\ud5a5<\/h3>\n<p><\/p>\n<p>PDU\uc758 \ud06c\uae30\ub294 \ub370\uc774\ud130\uac00 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uc5bc\ub9c8\ub098 \ud6a8\uc728\uc801\uc73c\ub85c \uc774\ub3d9\ud558\ub294\uc9c0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. PDU\uac00 \uc9c0\ub098\uce58\uac8c \uc791\uac70\ub098 \ub108\ubb34 \ud06c\uba74 \uc131\ub2a5 \ubcd1\ubaa9 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU \uc624\ubc84\ud5e4\ub4dc \uace0\ub824 \uc0ac\ud56d<\/h4>\n<p><\/p>\n<p>\ubaa8\ub4e0 PDU\ub294 \uc2e4\uc81c \ub370\uc774\ud130(\ud398\uc774\ub85c\ub4dc)\ubfd0\ub9cc \uc544\ub2c8\ub77c \ud5e4\ub354\uc640 \ud2b8\ub808\uc77c\ub7ec\uc5d0 \uc81c\uc5b4 \uc815\ubcf4\ub3c4 \ub2f4\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc81c\uc5b4 \uc815\ubcf4\ub294 \uc624\ubc84\ud5e4\ub4dc\ub97c \uad6c\uc131\ud569\ub2c8\ub2e4. \ud5e4\ub354 \ubc0f \ud2b8\ub808\uc77c\ub7ec\uc5d0 \ube44\ud574 \ud398\uc774\ub85c\ub4dc\uac00 \uc791\uc744\uc218\ub85d PDU\uc758 \uc624\ubc84\ud5e4\ub4dc \ube44\uc728\uc774 \ub192\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4. \uc774\ub294 \uc720\ud6a8 \ub370\uc774\ud130 \uc18d\ub3c4\ub97c \uac10\uc18c\uc2dc\ud0b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc791\uc740 \uc774\uba54\uc77c\uc740 \ud5e4\ub354\uac00 \uba54\uc2dc\uc9c0 \uc790\uccb4\ub9cc\ud07c \ud070 PDU\ub85c \uc774\ub3d9\ud558\uc5ec \uc804\uc1a1 \ud6a8\uc728\uc131\uc744 \ub5a8\uc5b4\ub728\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU\uc758 \ucc98\ub9ac\ub7c9\uacfc \uc9c0\uc5f0 \uc2dc\uac04<\/h4>\n<p><\/p>\n<p>PDU \ud06c\uae30\ub294 \ub124\ud2b8\uc6cc\ud06c \ucc98\ub9ac\ub7c9\uacfc \ub300\uae30 \uc2dc\uac04\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. PDU(\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704)\ub77c\uace0\ub3c4 \ud558\ub294 \uc791\uc740 \ub370\uc774\ud130 \ud328\ud0b7\uc740 \ub124\ud2b8\uc6cc\ud06c \ub0b4\uc5d0\uc11c \ube48\ubc88\ud55c \uc870\uac01\ud654\ub97c \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \ub2e8\uc77c \ub300\ud615 \ud328\ud0b7\uc774 \uc804\ub2ec\ud560 \uc218 \uc788\ub294 \uac83\uacfc \ub3d9\uc77c\ud55c \uc591\uc758 \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud558\uae30 \uc704\ud574 \uc218\ub9ce\uc740 \uc18c\ud615 \ud328\ud0b7\uc744 \uc804\uc1a1\ud574\uc57c \ud558\ubbc0\ub85c \ub124\ud2b8\uc6cc\ud06c \ucc98\ub9ac\ub7c9\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ubc18\ub300\ub85c, \ub9e4\uc6b0 \ud070 PDU\uc758 \uacbd\uc6b0 MTU(\ucd5c\ub300 \uc804\uc1a1 \ub2e8\uc704) \uc81c\ud55c\uc774 \uc791\uc544\uc11c \uc870\uac01\ud654 \ubc0f \uc7ac\uc870\ub9bd\uc774 \ud544\uc694\ud55c \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8\uac00 \ubc1c\uc0dd\ud558\uba74 \ub300\uae30 \uc2dc\uac04\uc774 \uae38\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU \ud06c\uae30 \ucd5c\uc801\ud654<\/h3>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \uc124\uacc4\uc790\ub294 PDU \ud06c\uae30\ub97c \ucd5c\uc801\ud654\ud558\uace0 \ud2b9\uc815 \ub124\ud2b8\uc6cc\ud06c \uc870\uac74 \ubc0f \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\uac8c \uc870\uc815\ud558\uae30 \uc704\ud574 \ub2e4\uc591\ud55c \uc804\ub7b5\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc810\ubcf4 PDU \ud504\ub808\uc784<\/h4>\n<p><\/p>\n<p>\uc774\ub354\ub137 \ub124\ud2b8\uc6cc\ud06c\ub294 \ud45c\uc900 1500\ubc14\uc774\ud2b8 MTU\ubcf4\ub2e4 \ud070(\uc77c\ubc18\uc801\uc73c\ub85c \ucd5c\ub300 9000\ubc14\uc774\ud2b8) PDU\uc778 \uc810\ubcf4 \ud504\ub808\uc784\uc744 \ud65c\uc6a9\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub300\ud615 \ud504\ub808\uc784\uc740 \uc8fc\uc5b4\uc9c4 \uc591\uc758 \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud558\ub294 \ub370 \ud544\uc694\ud55c PDU \uc218\ub97c \uc904\uc785\ub2c8\ub2e4. \uc774\ub294 \ub124\ud2b8\uc6cc\ud06c \uc7a5\uce58\uc758 \ucc98\ub9ac \uc624\ubc84\ud5e4\ub4dc\ub97c \uc904\uc774\uace0 \ud2b9\ud788 \ub370\uc774\ud130 \uc13c\ud130\uc640 \uac19\uc740 \uace0\ub300\uc5ed\ud3ed \ud658\uacbd\uc5d0\uc11c \ucc98\ub9ac\ub7c9\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8\uc758 \ubaa8\ub4e0 \uc7a5\uce58\uac00 \uc62c\ubc14\ub974\uac8c \uc791\ub3d9\ud558\ub824\uba74 \uc810\ubcf4 \ud504\ub808\uc784\uc744 \uc9c0\uc6d0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc18c\ud615 PDU \ud328\ud0b7 \ubb38\uc81c<\/h4>\n<p><\/p>\n<p>\uc810\ubcf4 \ud504\ub808\uc784\uc740 \uc774\uc810\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc \uc18c\ud615 PDU \ud328\ud0b7\uc5d0\ub294 \uace0\uc720\ud55c \ubb38\uc81c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc5f0\uad6c\uc758 \uc8fc\uc694 \ubaa9\ud45c\ub294 \ucc98\ub9ac\ub7c9, \ud65c\ub825 \ud6a8\uc728\uc131 \ubc0f \uc9c0\uc5f0\uacfc \uac19\uc740 \ud2b9\uc815 \uc11c\ube44\uc2a4 \uc694\uad6c \uc0ac\ud56d\uc774 \uc788\ub294 \uc2e0\uccb4 \uc601\uc5ed \ub124\ud2b8\uc6cc\ud06c(BAN) \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc804\uc81c \uc870\uac74\uc744 \ucda9\uc871\ud558\uae30 \uc704\ud574 \uc804\ub825 \uc18c\ube44\ub97c \uc904\uc774\uace0 \uc911\uc694\ud55c \ub124\ud2b8\uc6cc\ud06c \uc870\uac74\uc744 \uc644\ud654\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ud328\ud0b7\uc774 \uae38\uc218\ub85d \uc2ec\uac01\ud55c \ub124\ud2b8\uc6cc\ud06c \uc7a5\uc560 \uc2dc \ub370\uc774\ud130 \uc190\uc2e4\uc774 \ub354 \ucee4\uc9c0\ub294 \ubc18\uba74, \ud328\ud0b7\uc774 \uc9e7\uc744\uc218\ub85d \ub370\uc774\ud130 \uc624\ubc84\ud5e4\ub4dc\uac00 \ub354 \ucee4\uc9d1\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uc758\uc874\uc131\uacfc \ud65c\ub825 \uc219\ub828\ub3c4 \uc0ac\uc774\uc758 \uade0\ud615\uc744 \uc870\uc808\ud558\uae30 \uc704\ud574 \ucd9c\ub825 \uc219\ub828\ub3c4 \ubc0f \uc5d0\ub108\uc9c0 \ud6a8\uc728\uc131\uacfc \uac19\uc740 \uc9c0\ud45c\ub97c \uace0\ub824\ud558\uc5ec BAN\uc758 \uc774\uc0c1\uc801\uc778 \ud328\ud0b7 \uce21\uc815\uac12\uc744 \uacb0\uc815\ud558\ub294 \ub2e4\uc591\ud55c \ubc29\ubc95\ub860\uc774 \uc608\uc0c1\ub429\ub2c8\ub2e4. \ub610\ud55c, \uc791\uc740 \ud328\ud0b7\uc740 \uac1c\ubcc4 \uc804\uc1a1 \ud69f\uc218\ub97c \uc99d\uac00\uc2dc\ucf1c \uc7a0\uc7ac\uc801\uc73c\ub85c \uacf5\uc720 \ubbf8\ub514\uc5b4 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ub354 \ub9ce\uc740 \uacbd\ud569\uacfc \ucda9\ub3cc\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p>PDU \ud06c\uae30 \ucd5c\uc801\ud654\uc5d0\ub294 \ub370\uc774\ud130 \uc555\ucd95 \ubc0f \uc9d1\uacc4\uc640 \uac19\uc740 \uae30\uc220\uc774 \ud3ec\ud568\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<ul><\/p>\n<li>\n<p><strong>\ub370\uc774\ud130 \uc555\ucd95<\/strong>: \uc774\ub294 \ubb34\uc190\uc2e4 \ub610\ub294 \uc190\uc2e4\uc774 \uc788\ub294 \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc804\uc1a1\ub418\ub294 \ub370\uc774\ud130\uc758 \ud06c\uae30\ub97c \uc904\uc5ec \ub300\uc5ed\ud3ed \ud65c\uc6a9\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0a4\uace0 \uc804\uc1a1 \uc2dc\uac04\uc744 \uc904\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<ul><\/p>\n<li><strong>\ubb34\uc190\uc2e4 \uc555\ucd95<\/strong>: \ud14d\uc2a4\ud2b8 \ud30c\uc77c, \uc2e4\ud589 \ud30c\uc77c \ubc0f \uc644\ubcbd\ud55c \uc7ac\uad6c\uc131\uc774 \ud544\uc694\ud55c \ub370\uc774\ud130(\uc608: ZIP, GZIP, LZ77)\uc5d0 \ud544\uc218\uc801\uc778 \ubaa8\ub4e0 \uc6d0\ubcf8 \ub370\uc774\ud130\ub97c \ubcf4\uc874\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc190\uc2e4 \uc555\ucd95<\/strong>: \uc57d\uac04\uc758 \ud488\uc9c8 \uc800\ud558\uac00 \ud5c8\uc6a9\ub418\ub294 \uba40\ud2f0\ubbf8\ub514\uc5b4 \ucf58\ud150\uce20(\uc608: JPEG, MP3)\uc5d0 \uc801\ud569\ud55c \ub35c \uc911\uc694\ud55c \uc815\ubcf4\ub97c \uc0ad\uc81c\ud558\uc5ec \ub354 \ub192\uc740 \uc555\ucd95\ub960\uc744 \ub2ec\uc131\ud569\ub2c8\ub2e4.<br \/>\ud504\ub808\uc820\ud14c\uc774\uc158 \uacc4\uce35\uc740 \uc218\uc2e0\ub41c \ub370\uc774\ud130\ub97c \uc790\ub3d9\uc73c\ub85c \uc555\ucd95 \ud574\uc81c\ud558\uc5ec \ud504\ub85c\uc138\uc2a4\ub97c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ud22c\uba85\ud558\uac8c \ub9cc\ub4ed\ub2c8\ub2e4. \ub0b4\uc7a5\ub41c \uc555\ucd95 \uae30\ub2a5\uc740 \ucf58\ud150\uce20 \uc720\ud615 \ubc0f \ub124\ud2b8\uc6cc\ud06c \uc0c1\ud0dc\uc5d0 \ub530\ub77c \uc801\uc808\ud55c \uc54c\uace0\ub9ac\uc998\uc744 \ub3d9\uc801\uc73c\ub85c \uc120\ud0dd\ud558\uc5ec \ud6a8\uc728\uc131\uacfc \ucc98\ub9ac \uc624\ubc84\ud5e4\ub4dc\uc758 \uade0\ud615\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/li>\n<p><\/p>\n<li>\n<p><strong>\uc9d1\ud569<\/strong>: \uc774\ub294 \uc5ec\ub7ec \uac1c\uc758 \uc791\uc740 PDU\ub97c \ud558\ub098\uc758 \ud070 PDU\ub85c \uacb0\ud569\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<table><\/p>\n<thead><\/p>\n<tr><\/p>\n<th>\uc804\ub7b5<\/th>\n<p><\/p>\n<th>\uc9d1\uacc4 \uacc4\uce35<\/th>\n<p><\/p>\n<th>\uc624\ub958 \ubcf5\uad6c<\/th>\n<p><\/p>\n<th>\uac04\uc811\ube44<\/th>\n<p><\/p>\n<th>\uc774\uc0c1\uc801\uc778 \uc870\uac74<\/th>\n<p><\/p>\n<th>\ub2e8\uc810\/\uc808\ucda9\uc810<\/th>\n<p><\/tr>\n<p><\/thead>\n<p><\/p>\n<tbody><\/p>\n<tr><\/p>\n<td><strong>A-MSDU(\uc9d1\ud569 MAC \uc11c\ube44\uc2a4 \ub370\uc774\ud130 \ub2e8\uc704)<\/strong><\/td>\n<p><\/p>\n<td>\uc0c1\uc704 \uacc4\uce35(MAC \ud5e4\ub354 \uc804)<\/td>\n<p><\/p>\n<td>\uc804\uccb4 \ud504\ub808\uc784 \uc7ac\uc804\uc1a1<\/td>\n<p><\/p>\n<td>\ub300\ud3ed \uac10\uc18c(\ub2e8\uc77c MAC \ud5e4\ub354)<\/td>\n<p><\/p>\n<td>\uac04\uc12d\uc774 \uc801\uace0 \uc548\uc815\uc801\uc778 \ud658\uacbd(\uc608: \uae30\uc5c5 \uc0ac\ubb34\uc2e4, \ub370\uc774\ud130 \uc13c\ud130)<\/td>\n<p><\/p>\n<td>\uc77c\ubd80\uac00 \uc190\uc0c1\ub418\uba74 \uc804\uccb4 \ud504\ub808\uc784\uc774 \uc0ad\uc81c\ub418\uace0 \uc7ac\uc804\uc1a1\ub418\ubbc0\ub85c \uc2dc\ub044\ub7ec\uc6b4 \ud658\uacbd\uc5d0\uc11c \ub300\uae30 \uc2dc\uac04\uc774 \ubc1c\uc0dd\ud558\uace0 \uc131\ub2a5\uc774 \uc800\ud558\ub429\ub2c8\ub2e4. \ucd5c\ub300 \ud06c\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c A-MPDU\ubcf4\ub2e4 \uc791\uc2b5\ub2c8\ub2e4.<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td><strong>A-MPDU(\uc9d1\ud569 MAC \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704)<\/strong><\/td>\n<p><\/p>\n<td>MAC \uacc4\uce35(\ub2e4\uc911 MAC PDU)<\/td>\n<p><\/p>\n<td>\uac1c\ubcc4 \ud504\ub808\uc784 \uc7ac\uc804\uc1a1(\ube14\ub85d \uc2b9\uc778)<\/td>\n<p><\/p>\n<td>\uc99d\uac00(\uac01 \ud504\ub808\uc784\uc5d0\ub294 \uc790\uccb4 MAC \ud5e4\ub354\uac00 \uc788\uc74c)<\/td>\n<p><\/p>\n<td>\uc2dc\ub044\ub7fd\uace0 \uac04\uc12d\uc774 \uc2ec\ud55c \ud658\uacbd(\uc608: \uacf5\uacf5 \uc7a5\uc18c, \ub3c4\uc2dc \uc9c0\uc5ed)<\/td>\n<p><\/p>\n<td>A-MSDU\uc5d0 \ube44\ud574 \u200b\u200b\uc624\ubc84\ud5e4\ub4dc\uac00 \ub192\uc73c\uba70, \uc6d0\uc2dc \ud658\uacbd\uc5d0\uc11c\ub294 \uae30\ubcf8 \ub300\uae30 \uc2dc\uac04\uc774 \uc57d\uac04 \ub354 \ub192\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td><strong>\ud558\uc774\ube0c\ub9ac\ub4dc \uc811\uadfc \ubc29\uc2dd(A-MPDU\uc5d0 \uc911\ucca9\ub41c A-MSDU)<\/strong><\/td>\n<p><\/p>\n<td>\uacc4\uce35\ud654\ub41c \uc9d1\uacc4<\/td>\n<p><\/p>\n<td>\uc120\ud0dd\uc801 \uc7ac\uc804\uc1a1<\/td>\n<p><\/p>\n<td>\ucd5c\uc801\ud654\ub428(\ub458 \ub2e4 \ud65c\uc6a9)<\/td>\n<p><\/p>\n<td>\ubcf5\uc7a1\ud558\uace0 \uc138\uc2ec\ud55c \uc870\uc815\uc774 \ud544\uc694\ud568<\/td>\n<p><\/p>\n<td>\uad6c\ud604\uc774 \ubcf5\uc7a1\ud574\uc9c0\uace0 \ud638\ud658\uc131\uacfc \uc548\uc815\uc131\uc744 \ubcf4\uc7a5\ud558\ub824\uba74 \uc2e0\uc911\ud55c \uc870\uc815\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uad6c\uc131\uc774 \uc798\ubabb\ub418\uba74 \ub300\uae30 \uc2dc\uac04 \uc99d\uac00, \ud328\ud0b7 \uc190\uc2e4 \uc99d\uac00 \ub610\ub294 \ud638\ud658\uc131 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<p><\/tr>\n<p><\/tbody>\n<p><\/table>\n<p><\/li>\n<p><\/ul>\n<p><\/p>\n<p>\uc774\ub7ec\ud55c \uc804\ub7b5\uc740 \ub124\ud2b8\uc6cc\ud06c\uac00 \uace0\uc18d \ub370\uc774\ud130 \uc13c\ud130\ubd80\ud130 \uc5d0\ub108\uc9c0\uac00 \uc81c\ud55c\ub41c \ubb34\uc120 \uc13c\uc11c \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc694\uad6c \uc0ac\ud56d\uc5d0 \uc801\uc751\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>9. \uc77c\ubc18\uc801\uc778 PDU \uc608\uc2dc<\/h2>\n<p><\/p>\n<p>\uc2e4\uc81c \ub124\ud2b8\uc6cc\ud06c \ud504\ub85c\ud1a0\ucf5c\uc5d0\uc11c PDU(\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704)\uc758 \uc2e4\uc81c \uc801\uc6a9\uc744 \uac80\ud1a0\ud558\uba74 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704(PDU)\ub97c \uc774\ud574\ud558\ub294 \uac83\uc774 \ub354 \uba85\ud655\ud574\uc9d1\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc608\ub294 \ub2e4\uc591\ud55c \ub808\uc774\uc5b4\uac00 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc774\ub354\ub137 PDU \ud504\ub808\uc784<\/h3>\n<p><\/p>\n<h4>\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35 PDU \uc608<\/h4>\n<p><\/p>\n<p>\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc5d0\uc11c \uc774\ub354\ub137 \ud504\ub808\uc784\uc740 \uae30\ubcf8 PDU \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ub354\ub137 \ud504\ub808\uc784\uc740 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 \ud328\ud0b7\uc744 \ucea1\uc290\ud654\ud569\ub2c8\ub2e4. \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc5d0 \uc911\uc694\ud55c \uc815\ubcf4\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ub3d9\uc77c\ud55c \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8\uc5d0 \uc788\ub294 \ud2b9\uc815 \uc7a5\uce58\ub97c \uc2dd\ubcc4\ud558\ub294 \uc18c\uc2a4 \ubc0f \ub300\uc0c1 MAC \uc8fc\uc18c\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ud504\ub808\uc784\uc5d0\ub294 IPv4 \ub610\ub294 IPv6\uc640 \uac19\uc774 \ud398\uc774\ub85c\ub4dc \ub0b4\uc5d0 \uc804\ub2ec\ub418\ub294 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 \ud504\ub85c\ud1a0\ucf5c\uc744 \ub098\ud0c0\ub0b4\ub294 \uc720\ud615 \ud544\ub4dc\ub3c4 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ud504\ub808\uc784 \ub05d\uc5d0 \uc788\ub294 FCS(\ud504\ub808\uc784 \uac80\uc0ac \uc2dc\ud000\uc2a4)\ub294 \uc804\uc1a1 \uc624\ub958\ub97c \uac10\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\ubb3c\ub9ac\uc801 PDU \uc804\uc1a1<\/h4>\n<p><\/p>\n<p>\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc774 \uc774\ub354\ub137 \ud504\ub808\uc784\uc744 \ud615\uc131\ud55c \ud6c4\uc5d0\ub294 \ubb3c\ub9ac \uacc4\uce35\uc774 \uc774\uc5b4\ubc1b\uc2b5\ub2c8\ub2e4. \uc804\uccb4 \ud504\ub808\uc784\uc744 \ube44\ud2b8 \uc2a4\ud2b8\ub9bc\uc73c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc774\ub7ec\ud55c \ube44\ud2b8\ub294 \uad6c\ub9ac \ucf00\uc774\ube14\uc744 \ud1b5\ud55c \uc804\uae30 \uc2e0\ud638, \uad11\uc12c\uc720\ub97c \ud1b5\ud55c \uad11 \ud384\uc2a4 \ub610\ub294 \ubb34\uc120 \ub124\ud2b8\uc6cc\ud06c\uc758 \uc804\ud30c\ub85c \uc804\uc1a1\ub429\ub2c8\ub2e4. \ubb3c\ub9ac \uacc4\uce35\uc740 \uc774\ub7ec\ud55c \ube44\ud2b8\uac00 \ud55c \uc7a5\uce58\uc5d0\uc11c \ub2e4\ub978 \uc7a5\uce58\ub85c \uc6d0\uc2dc \uc804\uc1a1\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>IP PDU \ud328\ud0b7<\/h3>\n<p><\/p>\n<h4>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 PDU \uc608<\/h4>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc5d0\uc11c PDU\ub294 IP \ud328\ud0b7\uc785\ub2c8\ub2e4. \uc774 \ud328\ud0b7\uc740 \ub3c5\ub9bd\uc801\uc778 \uc815\ubcf4 \ub2e8\uc704\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ub124\ud2b8\uc6cc\ud06c \uc804\ubc18\uc5d0 \uac78\uccd0 \ub3c5\ub9bd\uc801\uc778 \ub77c\uc6b0\ud305\uc744 \uc704\ud55c \ub370\uc774\ud130\uc640 \ucda9\ubd84\ud55c \uc138\ubd80 \uc815\ubcf4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. IP(\uc778\ud130\ub137 \ud504\ub85c\ud1a0\ucf5c)\ub294 \uc774\ub7ec\ud55c \ud328\ud0b7\uc744 \uc18c\uc2a4\uc5d0\uc11c \ub300\uc0c1\uc73c\ub85c \ub77c\uc6b0\ud305\ud558\ub294 \uc791\uc5c5\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\uc5d0\ub294 \ucd5c\uc801\uc758 \uacbd\ub85c\ub97c \uc120\ud0dd\ud558\ub294 \uacfc\uc815\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc778\ud130\ub137 PDU \ub77c\uc6b0\ud305<\/h4>\n<p><\/p>\n<p>\ub77c\uc6b0\ud130\ub294 \uac01 \ud328\ud0b7 \ub0b4\uc758 IP \ud5e4\ub354\ub97c \uac80\uc0ac\ud569\ub2c8\ub2e4. \uc774 \ud5e4\ub354\uc5d0\ub294 \uc18c\uc2a4 \ubc0f \ub300\uc0c1 IP \uc8fc\uc18c\ub97c \ud3ec\ud568\ud55c \ud544\uc218 \uc81c\uc5b4 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc8fc\uc18c\ub294 \ub77c\uc6b0\ud130\uac00 \ud328\ud0b7\uc744 \uc9c0\uc2dc\ud558\ub3c4\ub85d \uc548\ub0b4\ud569\ub2c8\ub2e4. IP \uc8fc\uc18c\ub294 \ub124\ud2b8\uc6cc\ud06c \uc2dd\ubcc4\uc790\uc640 \ud638\uc2a4\ud2b8 ID\ub85c \uad6c\uc131\ub41c \uacc4\uce35\uc801\uc785\ub2c8\ub2e4. \uc774 \uad6c\uc870\ub97c \ud1b5\ud574 \ub77c\uc6b0\ud130\ub294 \uc8fc\uc18c\uc758 \ub124\ud2b8\uc6cc\ud06c \uad6c\uc131 \uc694\uc18c\ub97c \uac80\uc0ac\ud558\uc5ec \ud328\ud0b7\uc758 \ubc29\ud5a5\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uc9c0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud328\ud0b7\uc740 \ucd5c\uc885 \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \uc5ec\ub7ec \ub77c\uc6b0\ud130\ub97c \ud1b5\uacfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub3c4\ucc29 \uc2dc \ud328\ud0b7\uc740 \ucea1\uc290\ud654 \ud574\uc81c\ub418\uace0 \ud574\ub2f9 \ud398\uc774\ub85c\ub4dc(\uc2e4\uc81c \ub370\uc774\ud130)\ub294 \uc218\uc2e0 \uc7a5\uce58\uc758 \uc801\uc808\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc73c\ub85c \uc804\ub2ec\ub429\ub2c8\ub2e4. IP\ub294 \uc5f0\uacb0\uc774 \uc5c6\ub294 \ud504\ub85c\ud1a0\ucf5c\ub85c, \uc804\ub2ec\uc774\ub098 \ub370\uc774\ud130 \ubcf5\uad6c\ub97c \ubcf4\uc7a5\ud558\uc9c0 \uc54a\uace0 '\ucd5c\uc120\uc758 \uc804\ub2ec'\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc548\uc815\uc131\uc740 \ub2e4\ub978 \ub808\uc774\uc5b4\uc5d0\uc11c \ucc98\ub9ac\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>TCP PDU \uc138\uadf8\uba3c\ud2b8<\/h3>\n<p><\/p>\n<h4>\uc804\uc1a1 \uacc4\uce35 PDU \uc608<\/h4>\n<p><\/p>\n<p>\uc804\uc1a1 \uacc4\uce35\uc740 TCP \uc138\uadf8\uba3c\ud2b8\ub97c PDU\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. TCP \uc138\uadf8\uba3c\ud2b8\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac04\uc5d0 \uc548\uc815\uc801\uc778 \uc5f0\uacb0 \uc9c0\ud5a5 \ud1b5\uc2e0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc758 \ub370\uc774\ud130\ub97c \ucea1\uc290\ud654\ud558\uace0 TCP \ud5e4\ub354\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc774 \ud5e4\ub354\uc5d0\ub294 \ud3ec\ud2b8 \ubc88\ud638, \uc2dc\ud000\uc2a4 \ubc88\ud638 \ubc0f \uc2b9\uc778 \ubc88\ud638\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc548\uc815\uc801\uc778 PDU \uc5f0\uacb0<\/h4>\n<p><\/p>\n<p>TCP\ub294 \uc5ec\ub7ec \uba54\ucee4\ub2c8\uc998\uc744 \ud1b5\ud574 \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. '\uc7ac\uc804\uc1a1\uc744 \ud1b5\ud55c \uae0d\uc815\uc801\uc778 \uc2b9\uc778'\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc218\uc2e0\uc790\ub294 \uc218\uc2e0\ub41c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc2b9\uc778\uc744 \ubcf4\ub0c5\ub2c8\ub2e4. \ubc1c\uc2e0\uc790\ub294 \uc804\uc1a1\ub41c \ud328\ud0b7\uacfc \ud0c0\uc774\uba38\uc5d0 \ub300\ud55c \uae30\ub85d\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4. \ud0c0\uc774\uba38\uac00 \ub9cc\ub8cc\ub418\uae30 \uc804\uc5d0 \uc2b9\uc778\uc744 \ubc1b\uc9c0 \ubabb\ud558\uba74 \ud328\ud0b7\uc774 \ub2e4\uc2dc \uc804\uc1a1\ub429\ub2c8\ub2e4. \uc774\ub294 \uc7a0\uc7ac\uc801\uc778 \uc190\uc2e4\uc774\ub098 \uc190\uc0c1\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \ub610\ud55c TCP\ub294 \ub370\uc774\ud130 \uc138\uadf8\uba3c\ud2b8\ub97c \uad00\ub9ac\ud558\uc5ec \ubaa9\uc801\uc9c0\uc5d0\uc11c \uc7ac\uc870\ub9bd\ud560 \ub54c \uc138\uadf8\uba3c\ud2b8\uac00 \uc62c\ubc14\ub974\uac8c \uc815\ub82c\ub418\uace0 \uc624\ub958\uac00 \uc5c6\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \uc190\uc0c1\ub41c \uc138\uadf8\uba3c\ud2b8\ub97c \uc2dd\ubcc4\ud558\uae30 \uc704\ud574 \uccb4\ud06c\uc12c\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc138\uadf8\uba3c\ud2b8\uac00 \uc190\uc0c1\ub418\uba74 \ud3d0\uae30\ub418\uace0 \uc7ac\uc804\uc1a1\uc774 \uc2dc\uc791\ub429\ub2c8\ub2e4. TCP\ub294 \ub610\ud55c \uc2dc\ud000\uc2a4 \ubc88\ud638\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc911\ubcf5\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>10. \ub124\ud2b8\uc6cc\ud0b9\uc5d0\uc11c PDU\uc758 \ubbf8\ub798<\/h2>\n<p><\/p>\n<p>PDU(\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704)\ub294 \ub04a\uc784\uc5c6\uc774 \ubcc0\ud654\ud558\ub294 \uae30\uc220 \ud658\uacbd\uc758 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\uae30 \uc704\ud574 \uc9c0\uc18d\uc801\uc73c\ub85c \uc801\uc751\ud569\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c\uac00 \ub354\uc6b1 \ubcf5\uc7a1\ud574\uc9c0\uace0 \ub370\uc774\ud130 \ubcfc\ub968\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c PDU \ud504\ub85c\ud1a0\ucf5c\ub3c4 \ubc1c\uc804\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc1c\uc804\uc740 \ub2e4\uc591\ud55c \ud50c\ub7ab\ud3fc \uc804\ubc18\uc5d0\uc11c \ud6a8\uc728\uc801\uc774\uace0 \uc548\uc804\ud55c \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc9c4\ud654\ud558\ub294 PDU \ud504\ub85c\ud1a0\ucf5c<\/h3>\n<p><\/p>\n<h4>\uc0c8\ub85c\uc6b4 \uae30\uc220\uacfc PDU<\/h4>\n<p><\/p>\n<p>\uc0c8\ub85c\uc6b4 \uae30\uc220\uc740 PDU \ud504\ub85c\ud1a0\ucf5c\uc758 \ubc1c\uc804\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 AI \uc6cc\ud06c\ub85c\ub4dc\uc5d0\ub294 \uace0\uc131\ub2a5 \ucef4\ud4e8\ud305\uc744 \uc704\ud55c AI \ucd5c\uc801\ud654 \ud504\ub85c\ud1a0\ucf5c\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud504\ub85c\ud1a0\ucf5c\uc740 GPU \ud074\ub7ec\uc2a4\ud130\uc5d0\uc11c \ubcd1\ub82c \ub370\uc774\ud130 \uc774\ub3d9\uc744 \uc9c0\uc6d0\ud558\uace0 \uba54\ubaa8\ub9ac\uc5d0 \uac00\uae4c\uc6b4 \uacc4\uce35 \uad6c\uc870\uc758 \uc6b0\uc120 \uc21c\uc704\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4. \ub610\ud55c \uc9c0\uc5f0 \uc2dc\uac04\uc774 \uc9e7\uc740 AI \ucd94\ub860\uc744 \uc704\ud574 RDMA \ud655\uc7a5\uc744 \ud65c\uc6a9\ud569\ub2c8\ub2e4. \ud558\ub4dc\uc6e8\uc5b4 \uac00\uc18d\uae30\ub294 \ud6a8\uc728\uc131\uc744 \ub354\uc6b1 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p>Edge-to-Core \ud504\ub85c\ud1a0\ucf5c \uc870\ud654\ub294 \ubd84\uc0b0 \uc778\ud504\ub77c\uc758 \ubb38\uc81c\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4. \ub9ac\uc18c\uc2a4\uac00 \uc81c\ud55c\ub41c \uc5e3\uc9c0 \uc7a5\uce58\ub97c \uc704\ud55c \uacbd\ub7c9 \ud504\ub85c\ud1a0\ucf5c \ubc84\uc804\uc744 \uac1c\ubc1c\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc84\uc804\uc740 \ud575\uc2ec \ub370\uc774\ud130 \uc13c\ud130 \uc2dc\uc2a4\ud15c\uacfc \uacc4\uc18d \ud638\ud658\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc9c1\uc811 \uc5d0\uc9c0 \ub178\ub4dc \ud1b5\uc2e0\uc744 \uc704\ud55c \uba54\uc2dc \ub124\ud2b8\uc6cc\ud0b9 \ud504\ub85c\ud1a0\ucf5c\uacfc \ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \uc704\ud55c \ub3d9\uae30\ud654 \ud504\ub85c\ud1a0\ucf5c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc5d0\ub108\uc9c0 \uc778\uc2dd \ud504\ub85c\ud1a0\ucf5c \uc124\uacc4\ub294 \ub610 \ub2e4\ub978 \ud575\uc2ec \uc601\uc5ed\uc785\ub2c8\ub2e4. \uc9c0\uc18d \uac00\ub2a5\uc131\uc744 \uae30\ubc18\uc73c\ub85c \ud558\ub294 \uc774\ub7ec\ud55c \ud504\ub85c\ud1a0\ucf5c\uc5d0\ub294 \uc6cc\ud06c\ub85c\ub4dc\uc5d0 \ub530\ub77c \ud1b5\uc2e0 \ub9e4\uac1c\ubcc0\uc218\ub97c \uc870\uc815\ud558\ub294 \ub3d9\uc801 \uc804\ub825 \ud655\uc7a5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ub610\ud55c \ubc30\ucd9c\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud55c \ud0c4\uc18c \uc778\uc2dd \uc2a4\ucf00\uc904\ub9c1\uacfc \uc678\ubd80 \uc5f4 \uc5d0\ub108\uc9c0 \uc18c\ube44\uc790\uc640\uc758 \ud1b5\ud569\uc744 \uc704\ud55c \uc5f4 \uc7ac\uc0ac\uc6a9 \uc870\uc815 \ud504\ub85c\ud1a0\ucf5c\uc744 \uac16\ucd94\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc81c\ub85c \ud2b8\ub7ec\uc2a4\ud2b8 \ubcf4\uc548 \ud504\ub85c\ud1a0\ucf5c \ud1b5\ud569\uc740 \uc81c\ub85c \ud2b8\ub7ec\uc2a4\ud2b8 \uc6d0\uce59\uc744 \ub0b4\uc7a5\ud558\uc5ec \ud504\ub85c\ud1a0\ucf5c \uc124\uacc4\ub97c \ud601\uc2e0\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc778\uc99d\uc11c \uae30\ubc18 \uc778\uc99d, \uc138\ubd84\ud654\ub41c \uc81c\uc5b4\ub97c \uc704\ud55c \ub9c8\uc774\ud06c\ub85c \uc138\ubd84\ud654, \uc2e4\uc2dc\uac04 \uc704\ud611 \ud0d0\uc9c0 \ubc0f \ube44\uc815\uc0c1\uc801\uc778 \ud2b8\ub798\ud53d \ud328\ud134 \uc2dd\ubcc4\uc744 \uc704\ud55c \ub0b4\uc7a5 \ubcf4\uc548 \uae30\ub2a5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p>\ubbf8\ub4e4\uc6e8\uc5b4 \uc194\ub8e8\uc158\uacfc \ud504\ub85c\ud1a0\ucf5c \ubcc0\ud658\ub3c4 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ubbf8\ub4e4\uc6e8\uc5b4 \ud50c\ub7ab\ud3fc\uc740 \uc774\uae30\uc885 \uc2dc\uc2a4\ud15c \uac04\uc758 \uc0c1\ud638 \uc5f0\uacb0\uc790 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub808\uac70\uc2dc \uc2dc\uc2a4\ud15c\uacfc \uc0c8\ub85c\uc6b4 \uc2dc\uc2a4\ud15c \uac04\uc758 \ud1b5\uc2e0\uc744 \uac00\ub2a5\ud558\uac8c \ud558\uae30 \uc704\ud574 \ud504\ub85c\ud1a0\ucf5c\uc744 \ubcc0\ud658\ud569\ub2c8\ub2e4. \ucd5c\uc2e0 \ubbf8\ub4e4\uc6e8\uc5b4\ub294 \ud6a8\uc728\uc801\uc778 \ubc88\uc5ed, \ub300\uae30 \uc2dc\uac04 \ucd5c\uc18c\ud654 \ubc0f \uc548\uc815\uc131 \uc720\uc9c0\ub97c \uc704\ud574 \uae30\uacc4 \ud559\uc2b5\uc744 \ud1b5\ud569\ud569\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c \ud1b5\ud569\uc5d0 \ub300\ud55c API \uc6b0\uc120 \uc811\uadfc \ubc29\uc2dd\uc740 \ucc98\uc74c\ubd80\ud130 \ud45c\uc900\ud654\ub41c \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc6b0\uc120\uc2dc\ud569\ub2c8\ub2e4. \uc774\ub294 \ubaa8\ub4c8\uc2dd, \uc0c1\ud638 \uc6b4\uc6a9 \uac00\ub2a5\ud55c \uc2dc\uc2a4\ud15c\uc73c\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4. RESTful API\ub294 \ub370\uc774\ud130 \uc13c\ud130 \uad00\ub9ac\ub97c \uc704\ud55c \uac00\ubccd\uace0 \ud655\uc7a5 \uac00\ub2a5\ud55c \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc81c\uacf5\ud558\ub294 \ubc18\uba74, GraphQL\uc740 \uc720\uc5f0\ud55c \ub370\uc774\ud130 \ucffc\ub9ac\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud734\ub300\uc6a9 \uc7a5\uce58\uc5d0 \uc885\uc18d\uc131\uc774 \uc788\ub294 \ucee8\ud14c\uc774\ub108\ud654 \ubc0f \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uc544\ud0a4\ud14d\ucc98 \ud328\ud0a4\uc9c0 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc785\ub2c8\ub2e4. \uc774 \uc7a5\uce58\ub294 \ud45c\uc900\ud654\ub41c \ud504\ub85c\ud1a0\ucf5c\ub85c \ud1b5\uc2e0\ud569\ub2c8\ub2e4. Kubernetes\ub294 \ubc30\ud3ec \ubc0f \ud655\uc7a5\uc744 \uc870\uc728\ud558\uace0 \uc11c\ube44\uc2a4 \uba54\uc2dc \uc544\ud0a4\ud14d\ucc98\ub294 \uace0\uae09 \ud2b8\ub798\ud53d \uad00\ub9ac \ubc0f \ubcf4\uc548 \uacc4\uce35\uc744 \uc81c\uacf5\ud558\uc5ec \ub2e4\uc911 \uc5b8\uc5b4 \ud658\uacbd\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>PDU\uc5d0 \ub300\ud55c \uc131\ub2a5 \uc694\uad6c \uc0ac\ud56d<\/h4>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \ud658\uacbd\uc758 \ubcf5\uc7a1\uc131\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c PDU \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub300\ud55c \uc131\ub2a5 \uc694\uad6c\uac00 \ucee4\uc84c\uc2b5\ub2c8\ub2e4. \uc5d0\ub108\uc9c0 \ud6a8\uc728\uc131\uc744 \uc704\ud55c Green Grid, \uc5f4 \uad00\ub9ac\ub97c \uc704\ud55c ASHRAE, \ub124\ud2b8\uc6cc\ud0b9 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc704\ud55c IEEE\uc640 \uac19\uc740 \uc0b0\uc5c5 \ucee8\uc18c\uc2dc\uc5c4\uc740 \ub370\uc774\ud130 \uc13c\ud130 \uc124\uacc4 \ubc0f \uc6b4\uc601\uc744 \uc704\ud574 \uac1c\ubc29\ud615 \ud504\ub85c\ud1a0\ucf5c\uc744 \ucd5c\uc2e0\uc758 \uc548\uc804\ud558\uace0 \ud6a8\uc728\uc801\uc73c\ub85c \uc720\uc9c0\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774\ub7ec\ud55c \ud504\ub85c\ud1a0\ucf5c\uc744 \uad6c\ud604\ud558\ub294 \ub370\uc5d0\ub294 \uc5b4\ub824\uc6c0\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ub808\uac70\uc2dc \uc2dc\uc2a4\ud15c\uacfc\uc758 \ud1b5\ud569, \ud504\ub85c\ud1a0\ucf5c \uacbd\uacc4\uc5d0\uc11c\uc758 \ubcf4\uc548 \uad00\ub9ac, \ub300\uae30 \uc2dc\uac04\uc774 \uc911\uc694\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc131\ub2a5 \uc624\ubc84\ud5e4\ub4dc \ucc98\ub9ac, \uc9c4\ud654\ud558\uac70\ub098 \ucda9\ub3cc\ud558\ub294 \ud45c\uc900 \ud0d0\uc0c9\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc2e0\ud765 \ub124\ud2b8\uc6cc\ud06c\uc758 PDU<\/h3>\n<p><\/p>\n<h4>IoT \ubc0f 5G PDU<\/h4>\n<p><\/p>\n<p>\uc0ac\ubb3c \uc778\ud130\ub137(IoT)\uacfc 5G \ub124\ud2b8\uc6cc\ud06c\uc758 \ub4f1\uc7a5\uc740 PDU\uc5d0 \uace0\uc720\ud55c \uacfc\uc81c\uc640 \uae30\ud68c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. IoT \uc7a5\uce58\ub294 \ucc98\ub9ac \ub2a5\ub825\uacfc \ubc30\ud130\ub9ac \uc218\uba85\uc774 \uc81c\ud55c\uc801\uc778 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. IoT\uc6a9 PDU \ud504\ub85c\ud1a0\ucf5c\uc740 \uac00\ubccd\uace0 \uc5d0\ub108\uc9c0 \ud6a8\uc728\uc801\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ub192\uc740 \ub300\uc5ed\ud3ed\uacfc \ub0ae\uc740 \ub300\uae30 \uc2dc\uac04\uc744 \uac16\ucd98 5G \ub124\ud2b8\uc6cc\ud06c\uc5d0\ub294 \ub300\uaddc\ubaa8 \ub370\uc774\ud130 \ud750\ub984\uc744 \ube60\ub974\uace0 \uc548\uc815\uc801\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 PDU\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc624\ubc84\ud5e4\ub4dc\ub97c \uc904\uc774\uae30 \uc704\ud574 PDU \ud06c\uae30\uc640 \ud5e4\ub354 \uc815\ubcf4\ub97c \ucd5c\uc801\ud654\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc815\uc758 \ub124\ud2b8\uc6cc\ud0b9 \ubc0f PDU<\/h4>\n<p><\/p>\n<p>SDN(\uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc815\uc758 \ub124\ud2b8\uc6cc\ud0b9)\uc740 \ub124\ud2b8\uc6cc\ud06c \uc791\ub3d9 \ubc29\uc2dd\uc744 \uadfc\ubcf8\uc801\uc73c\ub85c \ubcc0\ud654\uc2dc\ud0b5\ub2c8\ub2e4. SDN\uc5d0\uc11c\ub294 \uc911\uc559 \ucee8\ud2b8\ub864\ub7ec\uac00 \ub124\ud2b8\uc6cc\ud06c \ub3d9\uc791\uc744 \uad00\ub9ac\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub3d9\uc801\uc774\uace0 \uc720\uc5f0\ud55c \ub124\ud2b8\uc6cc\ud06c \uad6c\uc131\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. SDN \ud658\uacbd\uc758 PDU\ub294 \uc774\ub7ec\ud55c \ud504\ub85c\uadf8\ub798\ubc0d \uae30\ub2a5\uc744 \uc9c0\uc6d0\ud574\uc57c \ud569\ub2c8\ub2e4. \ucee8\ud2b8\ub864\ub7ec\uc758 \uba85\ub839\uc5d0 \ub530\ub77c \uc81c\uc5b4 \ud3c9\uba74 \uc815\ubcf4\ub97c SDN \ucee8\ud2b8\ub864\ub7ec \ubc0f \ub370\uc774\ud130 \ud3c9\uba74 \ud2b8\ub798\ud53d\uc5d0 \uc804\ub2ec\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc81c\uc5b4 \ud3c9\uba74\uacfc \ub370\uc774\ud130 \ud3c9\uba74\uc758 \ubd84\ub9ac\ub97c \ud1b5\ud574 \ubcf4\ub2e4 \ud6a8\uc728\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac \ubc0f \ub9ac\uc18c\uc2a4 \ud560\ub2f9\uc774 \uac00\ub2a5\ud574\uc84c\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<hr \/>\n<p><\/p>\n<p><a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/pdu-guide-what-is-power-distribution-unit-how-it-works\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db(PDU)<\/a> \ub514\uc9c0\ud138 \ucee4\ubba4\ub2c8\ucf00\uc774\uc158\uc5d0 \uc5c6\uc5b4\uc11c\ub294 \uc548 \ub420 \uc694\uc18c\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\ub97c \uad6c\uc870\ud654\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uc7a5\uce58\uac00 \uc815\ubcf4\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc8fc\uc694 \ub0b4\uc6a9\uc5d0\ub294 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 \uc804\ubc18\uc758 \ucea1\uc290\ud654, \ucea1\uc290\ud654 \ud574\uc81c, \uc8fc\uc18c \uc9c0\uc815 \ubc0f \uc624\ub958 \uac10\uc9c0\uc5d0\uc11c\uc758 \uc5ed\ud560\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. PDU\ub294 \uc548\uc815\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc758 \uae30\ubc18\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub2e4\uc591\ud55c \uc7a5\uce58\uac00 \ub370\uc774\ud130\ub97c \uc6d0\ud65c\ud558\uac8c \uc774\ud574\ud558\uace0 \uad50\ud658\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uae00\ub85c\ubc8c \ub124\ud2b8\uc6cc\ud06c \uc804\ubc18\uc5d0 \uac78\uccd0 \uc815\ubcf4\uc758 \ubb34\uacb0\uc131\uacfc \uc804\ub2ec\uc774 \ubcf4\uc7a5\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>FAQ<\/h2>\n<p><\/p>\n<h3>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db(PDU)\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p><a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/difference-between-pdu-and-ordinary-power-strip-explained\/\" target=\"_blank\" rel=\"noopener\">PDU\ub294 \ub370\uc774\ud130 \ub2e8\uc704\uc785\ub2c8\ub2e4.<\/a> \ub124\ud2b8\uc6cc\ud06c \ud504\ub85c\ud1a0\ucf5c \uc2a4\ud0dd\uc758 \uacc4\uce35 \uac04\uc5d0 \uad50\ud658\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc81c\uc5b4 \uc815\ubcf4\uc640 \uc0ac\uc6a9\uc790 \ub370\uc774\ud130\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uc7a5\uce58\ub294 \uc815\ubcf4\uac00 \uc758\ub3c4\ud55c \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud558\ub3c4\ub85d PDU\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc6d0\ud65c\ud55c \uc758\uc0ac\uc18c\ud1b5\uc744 \uac00\ub2a5\ud558\uac8c \ud558\ub294 \uae30\ubcf8 \ub2e8\uc704\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU\ub294 OSI \uacc4\uce35\uc5d0 \ub530\ub77c \uc5b4\ub5bb\uac8c \ub2e4\ub985\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>PDU\ub294 \ub370\uc774\ud130\uac00 OSI \uacc4\uce35\uc744 \ud1b5\ud574 \uc774\ub3d9\ud568\uc5d0 \ub530\ub77c \ud615\ud0dc\uac00 \ubcc0\uacbd\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ubb3c\ub9ac \uacc4\uce35\uc5d0\uc11c\ub294 \ube44\ud2b8\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\ub9c1\ud06c \uacc4\uce35\uc740 \ud504\ub808\uc784\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc740 \ud328\ud0b7\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc804\uc1a1 \uacc4\uce35\uc740 \uc138\uadf8\uba3c\ud2b8\ub098 \ub370\uc774\ud130\uadf8\ub7a8\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc0c1\uc704 \uacc4\uce35\uc5d0\uc11c\ub294 PDU\ub97c \ub370\uc774\ud130\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU \ucea1\uc290\ud654\uc758 \ubaa9\uc801\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>\ucea1\uc290\ud654\ub294 \ub370\uc774\ud130\uac00 \ub124\ud2b8\uc6cc\ud06c \uc2a4\ud0dd \uc544\ub798\ub85c \uc774\ub3d9\ud560 \ub54c \ub370\uc774\ud130\uc5d0 \uc81c\uc5b4 \uc815\ubcf4(\ud5e4\ub354 \ubc0f \ud2b8\ub808\uc77c\ub7ec)\ub97c \ucd94\uac00\ud558\ub294 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \uac01 \ub808\uc774\uc5b4\ub294 \uace0\uc720\ud55c \uc138\ubd80 \uc815\ubcf4\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc218\uc2e0 \uce21\uc758 \ud574\ub2f9 \uacc4\uce35\uc774 \ub370\uc774\ud130\ub97c \uc62c\ubc14\ub974\uac8c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub3c5\ub9bd\uc801\uc778 \ub808\uc774\uc5b4 \uae30\ub2a5\uc744 \ud5c8\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU \ud5e4\ub354\uac00 \uc911\uc694\ud55c \uc774\uc720\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>PDU \ud5e4\ub354\uc5d0\ub294 \uc911\uc694\ud55c \uc81c\uc5b4 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc18c\uc2a4 \ubc0f \ub300\uc0c1 \uc8fc\uc18c, PDU \uc720\ud615 \ubc0f \uae38\uc774\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ud5e4\ub354\ub294 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \uc548\ub0b4\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc7a5\uce58\ub294 \ub370\uc774\ud130\ub97c \uc62c\ubc14\ub974\uac8c \ud574\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud5e4\ub354\uac00 \uc5c6\uc73c\uba74 \ub370\uc774\ud130\uc5d0 \ubc29\ud5a5\uc774 \uc5c6\uace0 \uc190\uc2e4\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU \uc870\uac01\ud654\uc758 \uc5ed\ud560\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>PDU \ub2e8\ud3b8\ud654\ub294 \ud070 \ub370\uc774\ud130 \ub2e8\uc704\ub97c \ub354 \uc791\uc740 \uc870\uac01\uc73c\ub85c \ub098\ub215\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 MTU(\ucd5c\ub300 \uc804\uc1a1 \ub2e8\uc704) \uc81c\ud55c\uc774 \ub354 \uc791\uc740 \ub124\ud2b8\uc6cc\ud06c \ub9c1\ud06c\ub97c \ud1b5\uacfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8\uc5d0 \uc11c\ub85c \ub2e4\ub978 \ud06c\uae30 \uc81c\uc57d\uc774 \uc788\ub294 \uacbd\uc6b0\uc5d0\ub3c4 \ub370\uc774\ud130\uac00 \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc870\uac01\ud654\ub294 \ub124\ud2b8\uc6cc\ud06c \ud6a8\uc728\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU\ub294 \uc5b4\ub5bb\uac8c \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>PDU\uc5d0\ub294 \uccb4\ud06c\uc12c \ubc0f FCS(\ud504\ub808\uc784 \uac80\uc0ac \uc2dc\ud000\uc2a4)\uc640 \uac19\uc740 \uba54\ucee4\ub2c8\uc998\uc774 \ud1b5\ud569\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc804\uc1a1 \uc911 \uc624\ub958\ub97c \uac10\uc9c0\ud569\ub2c8\ub2e4. TCP \uc138\uadf8\uba3c\ud2b8\ub3c4 \uc2dc\ud000\uc2a4 \ubc88\ud638\uc640 \uc2b9\uc778\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub370\uc774\ud130\uac00 \uc644\uc804\ud558\uace0 \uc62c\ubc14\ub978 \uc21c\uc11c\ub85c \ub3c4\ucc29\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc774\ub294 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>TCP \uc138\uadf8\uba3c\ud2b8\uc640 UDP \ub370\uc774\ud130\uadf8\ub7a8\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>TCP \uc138\uadf8\uba3c\ud2b8\ub294 \uc548\uc815\uc801\uc778 \uc5f0\uacb0 \uc9c0\ud5a5 \ud1b5\uc2e0\uc744 \uc704\ud55c PDU\uc785\ub2c8\ub2e4. \ubc30\uc1a1\uacfc \uc8fc\ubb38\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. UDP \ub370\uc774\ud130\uadf8\ub7a8\uc740 \ubcf4\ub2e4 \ube60\ub978 \ube44\uc5f0\uacb0 \ud1b5\uc2e0\uc744 \uc704\ud55c PDU\uc785\ub2c8\ub2e4. \ubcf4\uc7a5\ub41c \ubc30\uc1a1\ubcf4\ub2e4 \uc18d\ub3c4\ub97c \uc6b0\uc120\uc2dc\ud569\ub2c8\ub2e4. \ub458 \ub2e4 \uc804\uc1a1 \uacc4\uce35 PDU\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>PDU(Protocol Data Unit)\ub294 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 \uac04\uc5d0 \uad50\ud658\ub418\ub294 \uae30\ubcf8 \ub370\uc774\ud130 \ub2e8\uc704\uc785\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\uc5d0\uc11c\ub294 PDU \uad6c\uc870, \ucea1\uc290\ud654 \ubc0f \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc5d0\uc11c\uc758 \uc5ed\ud560\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":4529,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-4530","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/posts\/4530","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/comments?post=4530"}],"version-history":[{"count":0,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/posts\/4530\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/media\/4529"}],"wp:attachment":[{"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/media?parent=4530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/categories?post=4530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/tags?post=4530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}