{"id":4601,"date":"2026-01-16T15:10:15","date_gmt":"2026-01-16T07:10:15","guid":{"rendered":"https:\/\/niusheng.gg13.globaldeepsea.site\/protocol-data-unit-journey-across-osi-layers\/"},"modified":"2026-01-16T15:10:15","modified_gmt":"2026-01-16T07:10:15","slug":"protocol-data-unit-journey-across-osi-layers","status":"publish","type":"post","link":"https:\/\/www.newsunn.com\/ko\/protocol-data-unit-journey-across-osi-layers\/","title":{"rendered":"OSI \ubaa8\ub378\uc5d0\uc11c \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db\uc758 \ub180\ub77c\uc6b4 \uc5ec\uc815 \u2013 \uc0c1\uc704 10\uac1c \ud56d\ubaa9"},"content":{"rendered":"<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/d8d1ee7e19a04f71b2c5738f551d1652.webp\" alt=\"OSI \ubaa8\ub378\uc5d0\uc11c \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db\uc758 \ub180\ub77c\uc6b4 \uc5ec\uc815 \u2013 \uc0c1\uc704 10\uac1c \ud56d\ubaa9\" \/><\/p>\n<p><\/p>\n<p>A <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/products\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db<\/a> (PDU)\ub294 \ud558\ub098\uc758 \uc815\ubcf4 \ub2e8\uc704\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c\ub294 \ub450 \uac1c\uc758 \ud53c\uc5b4 \uc5d4\ud2f0\ud2f0 \uac04\uc5d0 \uc774\ub7ec\ud55c \ub2e8\uc704\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4. OSI \ubaa8\ub378\uc758 \ud2b9\uc815 \uacc4\uce35\uc5d0 \uc874\uc7ac\ud569\ub2c8\ub2e4. \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub294 \ub370\uc774\ud130\uc640 \uc81c\uc5b4 \uc815\ubcf4\ub97c \ud568\uaed8 \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ucea1\uc290\ud654\ub294 \ud574\ub2f9 \uacc4\uce35\uc5d0\uc11c\uc758 \ud1b5\uc2e0\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uc2a4\ud0dd\uc744 \ud1b5\uacfc\ud558\uba74\uc11c \uadf8 \ud615\ud0dc\uac00 \ubcc0\ud654\ud55c\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud55c \ub370\uc774\ud130 \uc804\uc1a1\uc774 \uc131\uacf5\uc801\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>\uc8fc\uc694 \ud14c\uc774\ud06c \uc544\uc6c3<\/h2>\n<p><\/p>\n<ul><\/p>\n<li>A <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/top-5-pdu-choices-for-safer-it-equipment-server-racks\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db<\/a> (PDU)\ub294 \ub370\uc774\ud130\uc758 \ub2e8\uc704\uc785\ub2c8\ub2e4. OSI \ubaa8\ub378\uc758 \uac01 \uacc4\uce35\uc5d0\uc11c \uadf8 \ud615\ud0dc\uac00 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc5d0\uc11c \ub370\uc774\ud130 \uc804\uc1a1 \uacfc\uc815\uc774 \uc2dc\uc791\ub429\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \uc0ac\uc6a9\uc790 \ub370\uc774\ud130\uac00 \uccab \ubc88\uc9f8 PDU\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\uc804\uc1a1 \uacc4\uce35\uc740 \ub370\uc774\ud130\uc758 \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc138\uadf8\uba3c\ud2b8\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ube60\ub978 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud574 \ub370\uc774\ud130\uadf8\ub7a8\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc740 \ub124\ud2b8\uc6cc\ud06c \uac04\uc5d0 \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud558\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uacbd\ub85c\ub97c \ucc3e\uae30 \uc704\ud574 IP \uc8fc\uc18c\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc740 \ub85c\uceec \uc601\uc5ed \ub0b4\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uc804\ub2ec\uc744 \ub2f4\ub2f9\ud569\ub2c8\ub2e4. \ub3d9\uc77c\ud55c \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc788\ub294 \uc7a5\uce58\ub4e4\uc758 MAC \uc8fc\uc18c\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ubb3c\ub9ac \uacc4\uce35\uc740 \ub370\uc774\ud130\ub97c \ube44\ud2b8 \ub2e8\uc704\ub85c \uc804\uc1a1\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ube44\ud2b8\ub4e4\uc740 \uc804\uae30 \uc2e0\ud638\ub098 \ube5b\uc758 \ud384\uc2a4\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ucea1\uc290\ud654\ub294 \uc815\ubcf4\ub97c \ucd94\uac00\ud558\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4 <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/power-management-basic-pdu-vs-power-strip\/\" target=\"_blank\" rel=\"noopener\">PDU<\/a>\ub370\uc774\ud130\uac00 \uacc4\uce35\uc744 \ub530\ub77c \uc544\ub798\ub85c \uc774\ub3d9\ud560 \ub54c \uc774\ub7f0 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ub514\ucea1\uc290\ud654\ub294 PDU\uc5d0\uc11c \uc815\ubcf4\ub97c \uc81c\uac70\ud558\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\uac00 \uacc4\uce35\uc744 \uc62c\ub77c\uac08 \ub54c \uc774\ub7f0 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<h2>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db \uc774\ud574: \uacc4\uce35\ubcc4 \ubcc0\ud658 \uacfc\uc815<\/h2>\n<p><\/p>\n<h3>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db\uc758 \ud0c4\uc0dd: \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35(7\uacc4\uce35)<\/h3>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud55c \ub370\uc774\ud130\uc758 \uc774\ub3d9\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc5d0\uc11c \uc2dc\uc791\ub429\ub2c8\ub2e4. \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. \uc0ac\uc6a9\uc790\ub4e4\uc740 \uc5ec\uae30\uc5d0\uc11c \uc791\uc5c5\uc744 \uc2dc\uc791\ud558\uc5ec \uc804\uc1a1\uc744 \uc704\ud55c \ucd08\uae30 \ub370\uc774\ud130\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc0ac\uc6a9\uc790 \ub370\uc774\ud130\uac00 \ucd08\uae30 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uac00 \ub429\ub2c8\ub2e4<\/h4>\n<p><\/p>\n<p>\uc0ac\uc6a9\uc790\uac00 \uc774\uba54\uc77c\uc744 \ubcf4\ub0b4\uac70\ub098 \uc6f9\uc0ac\uc774\ud2b8\ub97c \ub458\ub7ec\ubcf4\uac70\ub098 \ud30c\uc77c\uc744 \uc804\uc1a1\ud560 \ub54c, \ud574\ub2f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \uc6d0\uc2dc \ub370\uc774\ud130\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774 \uc6d0\uc2dc \ub370\uc774\ud130\ub294 \ubc14\ub85c \uadf8 \uccab \ubc88\uc9f8 \ud615\ud0dc\uac00 \ub429\ub2c8\ub2e4 <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/understanding-protocol-data-unit-pdu-network-guide\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704<\/a>\uc774\uac83\uc740 \uc0ac\uc6a9\uc790\uac00 \uc804\uc1a1\ud558\uace0\uc790 \ud558\ub294 \uc815\ubcf4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub370\uc774\ud130 \uc13c\ud130\uc5d0\uc11c \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc11c\ubc84\uac00 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc11c\ubc84\uc5d0 \uc694\uccad\uc744 \ubcf4\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc694\uccad\uc740 \ucd5c\ucd08\uc758 \ub370\uc774\ud130 \ub2e8\uc704\ub97c \uad6c\uc131\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc751\uc6a9 \uacc4\uce35 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uc758 \uc608\uc2dc<\/h4>\n<p><\/p>\n<p>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc758 PDU\ub294 \ub300\ubd80\ubd84 \uadf8 \uae30\ub2a5\uacfc \uad00\ub828\ub41c \uc758\ubbf8 \uc788\ub294 \uc774\ub984\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<ul><\/p>\n<li><strong>HTTP \ub370\uc774\ud130<\/strong>: \uc6f9 \ube0c\ub77c\uc6b0\uc800\uac00 \uc6f9 \ud398\uc774\uc9c0\ub97c \uc694\uccad\ud560 \ub54c, \ud574\ub2f9 HTTP \uc694\uccad \uc790\uccb4\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35 PDU\uc785\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>FTP \ub370\uc774\ud130<\/strong>: \ud30c\uc77c \uc804\uc1a1 \ud504\ub85c\ud1a0\ucf5c\uc740 \ud30c\uc77c \uc5c5\ub85c\ub4dc \ubc0f \ub2e4\uc6b4\ub85c\ub4dc\ub97c \uad00\ub9ac\ud558\uae30 \uc704\ud574 PDU\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>SMTP \ub370\uc774\ud130<\/strong>: \uc774\uba54\uc77c \ud074\ub77c\uc774\uc5b8\ud2b8\ub294 SMTP PDU\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\uba54\uc77c\uc744 \ubcf4\ub0b4\uace0 \ubc1b\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<h3>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db\uc758 \ud3ec\ub9f7 \uc9c0\uc815: \ud45c\ud604 \uacc4\uce35(\ub808\uc774\uc5b4 6)<\/h3>\n<p><\/p>\n<p>\ud45c\ud604 \uacc4\uce35\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc5d0\uc11c \uc804\uc1a1\ub41c \ub370\uc774\ud130\uac00 \uc218\uc2e0 \uc2dc\uc2a4\ud15c\uc774 \uc774\ud574\ud560 \uc218 \uc788\ub294 \ud615\uc2dd\uc73c\ub85c \ubcc0\ud658\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ubc88\uc5ed\uae30 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc0c1\ud638 \uc6b4\uc6a9\uc131\uc744 \uc704\ud55c \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db \ubcc0\ud658<\/h4>\n<p><\/p>\n<p>\uc11c\ub85c \ub2e4\ub978 \uc2dc\uc2a4\ud15c\ub4e4\uc740 \uac01\uae30 \ub2e4\ub978 \ub370\uc774\ud130 \ud615\uc2dd\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ud45c\ud604 \uacc4\uce35\uc740 \uc0c1\ud638 \uc6b4\uc6a9\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub97c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubcc0\ud658\uc744 \ud1b5\ud574 \ub2e4\uc591\ud55c \uc2dc\uc2a4\ud15c\ub4e4\uc774 \ud6a8\uacfc\uc801\uc73c\ub85c \uc11c\ub85c \uc18c\ud1b5\ud560 \uc218 \uc788\uac8c \ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubaa9\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uc77c\ubc18\uc801\uc778 \ub370\uc774\ud130 \ud615\uc2dd\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uac83\ub4e4\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p><\/p>\n<ul><\/p>\n<li>EDIFACT<\/li>\n<p><\/p>\n<li>JSON<\/li>\n<p><\/p>\n<li>XML<\/li>\n<p><\/p>\n<li>\ud504\ub85c\ud1a0\ucf5c \ubc84\ud37c<\/li>\n<p><\/ul>\n<p><\/p>\n<h4>\uc554\ud638\ud654, \uc555\ucd95 \ubc0f \ub370\uc774\ud130 \ud45c\ud604 \ubc29\uc2dd<\/h4>\n<p><\/p>\n<p>\uc774 \uacc4\uce35\uc740 \uc554\ud638\ud654 \ubc0f \uc555\ucd95\uacfc \uac19\uc740 \uc911\uc694\ud55c \uc11c\ube44\uc2a4\ub3c4 \ub2f4\ub2f9\ud569\ub2c8\ub2e4. <a href=\"https:\/\/jumpcloud.com\/it-index\/understanding-layer-6-the-presentation-layer-of-the-osi-model\" target=\"_blank\" rel=\"noopener\">\ub370\uc774\ud130 \uc555\ucd95 \uc54c\uace0\ub9ac\uc998\uc740 \uc804\uc1a1\ub418\ub294 \ub370\uc774\ud130\uc758 \ud06c\uae30\ub97c \uc904\uc5ec\uc90d\ub2c8\ub2e4<\/a>\uc774\ub85c \uc778\ud574 PDU\uc758 \ud06c\uae30\uac00 \uc9c1\uc811\uc801\uc73c\ub85c \uc904\uc5b4\ub4e4\uc5b4 \ub300\uc5ed\ud3ed \ud65c\uc6a9\ub960\uc774 \ud5a5\uc0c1\ub418\uace0 \uc804\uc1a1 \uc18d\ub3c4\ub3c4 \ube68\ub77c\uc9d1\ub2c8\ub2e4. \ubc18\uba74\uc5d0 \uc554\ud638\ud654\ub294 \uc77c\ubc18 \ud14d\uc2a4\ud2b8\ub97c \uc554\ud638\ud654\ub41c \ud14d\uc2a4\ud2b8\ub85c \ubcc0\ud658\ud558\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc740 \ubcf8\uc9c8\uc801\uc73c\ub85c PDU\uc758 \ud06c\uae30\ub97c \ubcc0\uacbd\uc2dc\ud0a4\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc218\ud559\uc801 \uc54c\uace0\ub9ac\uc998\uacfc \ud0a4 \uad00\ub9ac\ub97c \uc704\ud574 \ucd94\uac00\uc801\uc778 CPU \uc790\uc6d0 \ubc0f \uba54\ubaa8\ub9ac\uac00 \ud544\uc694\ud558\uae30 \ub54c\ubb38\uc5d0 \ucc98\ub9ac \uacfc\uc815\uc5d0\uc11c \uc624\ubc84\ud5e4\ub4dc\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc624\ubc84\ud5e4\ub4dc\ub294 \ud2b9\ud788 \ubcf5\uc7a1\ud55c \ubcc0\ud658 \uc791\uc5c5\uc5d0\uc11c \uc9c0\uc5f0 \uc2dc\uac04\uc744 \uc99d\uac00\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ub300\ud654 \uad00\ub9ac: \uc138\uc158 \uacc4\uce35(\ub808\uc774\uc5b4 5)<\/h3>\n<p><\/p>\n<p>\uc138\uc158 \uacc4\uce35\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac04\uc758 \ud1b5\uc2e0 \uc138\uc158\uc744 \uc124\uc815\ud558\uace0 \uad00\ub9ac\ud558\uba70 \uc885\ub8cc\ud558\ub294 \uc5ed\ud560\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub370\uc774\ud130\uac00 \uccb4\uacc4\uc801\uc73c\ub85c \uad50\ud658\ub420 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc138\uc158 \uc81c\uc5b4 \uc815\ubcf4\uac00 \ud3ec\ud568\ub41c \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704<\/h4>\n<p><\/p>\n<p>\uc774 \uacc4\uce35\uc758 PDU\uc5d0\ub294 \uc138\uc158 \uc81c\uc5b4 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc815\ubcf4\ub294 \ub450 \uac1c\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac04\uc758 \ub300\ud654\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \uad00\ub9ac\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4. \ub300\ud654\uac00 \uc6d0\ud65c\ud558\uac8c \uc9c4\ud589\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud574 \uc90d\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc138\uc158\uc758 \uc124\uc815, \uad00\ub9ac \ubc0f \uc885\ub8cc<\/h4>\n<p><\/p>\n<p>\uc138\uc158 \uacc4\uce35\uc740 \ud45c\uc900\uc801\uc778 \uba54\ucee4\ub2c8\uc998\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc138\uc158\uc744 \uc81c\uc5b4\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<ul><\/p>\n<li><a href=\"https:\/\/jumpcloud.com\/it-index\/understanding-layer-5-the-session-layer-of-the-osi-model\" target=\"_blank\" rel=\"noopener\"><strong>\ub300\ud654\uc0c1\uc790 \ucee8\ud2b8\ub864<\/strong><\/a>: \uc774\ub7ec\ud55c \uba54\ucee4\ub2c8\uc998\uc740 \uc5b4\ub290 \ub2f9\uc0ac\uc790\uac00 \ud2b9\uc815 \uc2dc\uc810\uc5d0 \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud560 \uc218 \uc788\ub294\uc9c0\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \uc774\ub294 \ud1b5\uc2e0\ud558\ub294 \ub2f9\uc0ac\uc790\ub4e4 \uac04\uc758 \uc21c\uc11c\uc801\uc778 \ub370\uc774\ud130 \uad50\ud658\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uad50\ud658 \uc21c\uc11c\ub97c \uad00\ub9ac\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\ub3d9\uae30\ud654<\/strong>: \uc774\ub294 \ubcf5\uad6c\ub97c \uc704\ud574 \ub300\ud654 \ub0b4\uc5d0 \uc870\uc815 \uc9c0\uc810 \ub610\ub294 \uccb4\ud06c\ud3ec\uc778\ud2b8\ub97c \uc124\uc815\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc138\uc158\uc5d0 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\ub354\ub77c\ub3c4 \ucc98\uc74c\ubd80\ud130 \ub2e4\uc2dc \uc2dc\uc791\ud558\ub294 \ub300\uc2e0 \ub9c8\uc9c0\ub9c9 \ub3d9\uae30\ud654 \uc9c0\uc810\uc5d0\uc11c\ubd80\ud130 \ud1b5\uc2e0\uc744 \uc7ac\uac1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130 \uc13c\ud130\uc5d0\uc11c \ub300\uaddc\ubaa8 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \ubc31\uc5c5\ud558\ub294 \uac83\uacfc \uac19\uc740 \ub300\uaddc\ubaa8 \ub370\uc774\ud130 \uc804\uc1a1 \uc791\uc5c5\uc5d0 \uc774\ub294 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\ud1a0\ud070 \uad00\ub9ac<\/strong>: \uc774 \uba54\ucee4\ub2c8\uc998\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac04\uc5d0 \uc804\ub2ec\ub418\ub294 \uc81c\uc5b4 \ud1a0\ud070\uc744 \uc0ac\uc6a9\ud558\uc5ec \uccb4\uacc4\uc801\uc778 \ucee4\ubba4\ub2c8\ucf00\uc774\uc158\uc774 \uc774\ub8e8\uc5b4\uc9c0\ub3c4\ub85d \ud569\ub2c8\ub2e4. \ud1a0\ud070\uc744 \ubcf4\uc720\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\ub9cc\uc774 \ub370\uc774\ud130 \uc804\uc1a1 \uad8c\ud55c\uc744 \ubd80\uc5ec\ubc1b\uc73c\ubbc0\ub85c, \uc774\ub97c \ud1b5\ud574 \ucda9\ub3cc\uc744 \ubc29\uc9c0\ud558\uace0 \uccb4\uacc4\uc801\uc778 \ub370\uc774\ud130 \ud750\ub984\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<h2>\uc804\uc1a1 \uacc4\uce35\uc758 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704: \uc138\uadf8\uba3c\ud2b8\uc640 \ub370\uc774\ud130\uadf8\ub7a8<\/h2>\n<p><\/p>\n<p>\uc804\uc1a1 \uacc4\uce35\uc740 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\ub294 \ub2e4\ub9ac\uc640 \uac19\uc2b5\ub2c8\ub2e4. \uc138\uc158 \uacc4\uce35\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uac00\uc838\uc640 \ub124\ud2b8\uc6cc\ud06c \uc804\uc1a1\uc744 \uc704\ud574 \uc900\ube44\ud569\ub2c8\ub2e4. \uc774 \uacc4\uce35\uc740 \ub370\uc774\ud130\ub97c \ub354 \uc791\uace0 \uad00\ub9ac\ud558\uae30 \uc26c\uc6b4 \ub2e8\uc704\ub85c \ub098\ub215\ub2c8\ub2e4. \ub610\ud55c \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc804\ub2ec\uc774\ub098 \ube60\ub978 \ube44\uc5f0\uacb0 \uc804\uc1a1\uc744 \uc704\ud55c \uc815\ubcf4\ub3c4 \ucd94\uac00\ub429\ub2c8\ub2e4. \uadf8 \uacb0\uacfc\ub85c \uc0dd\uc131\ub418\ub294 \ub2e8\uc704\ub294 TCP\uc758 \uacbd\uc6b0 \uc138\uadf8\uba3c\ud2b8\uc774\uace0, UDP\uc758 \uacbd\uc6b0 \ub370\uc774\ud130\uadf8\ub7a8\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc138\uadf8\uba3c\ud2b8\ub85c\uc11c\uc758 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db(TCP)<\/h3>\n<p><\/p>\n<p>\uc804\uc1a1 \uc81c\uc5b4 \ud504\ub85c\ud1a0\ucf5c(TCP)\uc740 \ubc14\uc774\ud2b8 \uc2a4\ud2b8\ub9bc\uc744 \uc548\uc815\uc801\uc774\uace0 \uc21c\uc11c\ub300\ub85c, \uadf8\ub9ac\uace0 \uc624\ub958\uac00 \uc5c6\ub3c4\ub85d \uc804\ub2ec\ud560 \uc218 \uc788\uac8c \ud574\uc90d\ub2c8\ub2e4. \ub370\uc774\ud130\uac00 \ubaa9\uc801\uc9c0\uc5d0 \uc628\uc804\ud558\uace0 \uc815\ud655\ud558\uac8c \ub3c4\ucc29\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\ud3ec\ud2b8 \ubc88\ud638 \ubc0f \uc21c\uc11c \uc815\ubcf4\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4<\/h4>\n<p><\/p>\n<p>TCP \uc138\uadf8\uba3c\ud2b8\uc5d0\ub294 \uc81c\ub300\ub85c \uc804\ub2ec\ub418\uae30 \uc704\ud574 \ud544\uc218\uc801\uc778 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ud3ec\ud2b8 \ubc88\ud638\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc22b\uc790\ub4e4\uc740 \ub300\uc0c1 \ud638\uc2a4\ud2b8\uc5d0\uc11c \uc2e4\ud589\ub418\ub294 \ud2b9\uc815 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud504\ub85c\uc138\uc2a4\ub97c \uc2dd\ubcc4\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub370\uc774\ud130 \uc13c\ud130\uc5d0 \uc704\uce58\ud55c \uc6f9 \uc11c\ubc84\ub294 HTTP \uc694\uccad\uc744 \ubc1b\uae30 \uc704\ud574 80\ubc88 \ud3ec\ud2b8\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. TCP\ub294 \ub610\ud55c \uac01 \ub370\uc774\ud130 \ubc14\uc774\ud2b8\uc5d0 \uc21c\uc11c \ubc88\ud638\ub97c \ubd80\uc5ec\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc22b\uc790\ub4e4 \ub355\ubd84\uc5d0 \uc218\uc2e0 \uc2dc\uc2a4\ud15c\uc740 \ub370\uc774\ud130\ub97c \uc62c\ubc14\ub978 \uc21c\uc11c\ub300\ub85c \uc7ac\uc870\ud569\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc6d0\ubcf8 \uba54\uc2dc\uc9c0\uc758 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. TCP \ud5e4\ub354\uc758 \ucd5c\uc18c \ud06c\uae30\ub294 <a href=\"https:\/\/www.bvkmohan.com\/2018\/12\/economics-of-computer-network-overheads.html\" target=\"_blank\" rel=\"noopener\">20\ubc14\uc774\ud2b8<\/a>\uc774 20\ubc14\uc774\ud2b8\uc758 \uc624\ubc84\ud5e4\ub4dc\ub294 TCP\uac00 \uc804\uc1a1 \uacc4\uce35\uc5d0\uc11c \uac01 \ub370\uc774\ud130 \ube14\ub85d\uc5d0 \ucd94\uac00\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ub370\uc774\ud130 \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud558\uae30<\/h4>\n<p><\/p>\n<p>TCP\ub294 \ub370\uc774\ud130 \uc804\uc1a1\uc758 \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc5ec\ub7ec \uac00\uc9c0 \uba54\ucee4\ub2c8\uc998\uc744 \uc0ac\uc6a9\ud55c\ub2e4:<\/p>\n<p><\/p>\n<ul><\/p>\n<li><a href=\"https:\/\/caasify.com\/tcp-protocol-guide-reliable-data-transmission\/\" target=\"_blank\" rel=\"noopener\"><strong>\ud655\uc778 \ud328\ud0b7(ACK)<\/strong><\/a>: \uc218\uc2e0\uc790\ub294 \uc131\uacf5\uc801\uc73c\ub85c \uc218\uc2e0\ub41c \uac01 \ud328\ud0b7\uc5d0 \ub300\ud574 ACK\ub97c \ubcf4\ub0c5\ub2c8\ub2e4. \uc774 ACK\uc5d0\ub294 \ub2e4\uc74c\uc73c\ub85c \uc608\uc0c1\ub418\ub294 \ubc14\uc774\ud2b8\uc758 \uc2dc\ud000\uc2a4 \ubc88\ud638\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ubc1c\uc2e0\uc790\ub294 \uc218\uc2e0\ub41c \ud328\ud0b7\uc744 \ucd94\uc801\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc7ac\uc1a1\uc2e0<\/strong>: \uc9c0\uc815\ub41c \uc2dc\uac04 \ub0b4\uc5d0 \ud655\uc778 \uc751\ub2f5\uc774 \ub3c4\ucc29\ud558\uc9c0 \uc54a\uc73c\uba74, \uc1a1\uc2e0\uc790\ub294 \ub204\ub77d\ub41c \ud328\ud0b7\uc744 \ub2e4\uc2dc \uc804\uc1a1\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\ub354\ub77c\ub3c4 \ubaa8\ub4e0 \ub370\uc774\ud130\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc804\uc1a1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc2dc\ud000\uc2a4 \ubc88\ud638<\/strong>: TCP \uc138\uadf8\uba3c\ud2b8 \ub0b4\uc758 \uac01 \ubc14\uc774\ud2b8\ub294 \uace0\uc720\ud55c \uc2dc\ud000\uc2a4 \ubc88\ud638\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc218\uc2e0\uc790\ub294 \ub370\uc774\ud130\ub97c \uc62c\ubc14\ub978 \uc21c\uc11c\ub300\ub85c \uc7ac\uc870\ud569\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud328\ud0b7\uc774 \uc21c\uc11c\ub300\ub85c \ub3c4\ucc29\ud558\uc9c0 \uc54a\ub354\ub77c\ub3c4 \uc774\ub7ec\ud55c \ubc29\uc2dd\uc740 \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud558\uba70, \ub370\uc774\ud130 \uc190\uc2e4\uc774\ub098 \uc911\ubcf5\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><a href=\"https:\/\/jumpcloud.com\/it-index\/what-is-tcp-transmission-control-protocol\" target=\"_blank\" rel=\"noopener\"><strong>\uc624\ub958 \uac80\ucd9c(\uccb4\ud06c\uc12c)<\/strong><\/a>: TCP\ub294 \uc804\uc1a1 \uacfc\uc815\uc5d0\uc11c \uc190\uc0c1\ub41c \ub370\uc774\ud130 \uc138\uadf8\uba3c\ud2b8\ub97c \uc2dd\ubcc4\ud558\uae30 \uc704\ud574 \uccb4\ud06c\uc12c\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc190\uc0c1\ub41c \ub370\uc774\ud130 \uc138\uadf8\uba3c\ud2b8\ub294 \ud3d0\uae30\ub418\uc5b4 \uc7ac\uc804\uc1a1\uc774 \ud544\uc694\ud558\uac8c \ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\ud655\uc2e4\ud55c \ubc30\uc1a1 \ubcf4\uc7a5<\/strong>: \uc778\uc2dd \ubc0f \uc7ac\uc804\uc1a1 \uc2dc\uc2a4\ud15c\uc744 \ud1b5\ud574 \ubaa8\ub4e0 \ub370\uc774\ud130\uac00 \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud558\ub3c4\ub85d \ubcf4\uc7a5\ub429\ub2c8\ub2e4. \ub610\ub294 \ubc1c\uc2e0\uc790\ub294 \ud574\ub2f9 \uc791\uc5c5\uc774 \uc601\uad6c\uc801\uc73c\ub85c \uc2e4\ud328\ud588\ub2e4\ub294 \uc54c\ub9bc\uc744 \ubc1b\uac8c \ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc911\ubcf5 \ubc29\uc9c0<\/strong>: \uc2dc\ud000\uc2a4 \ubc88\ud638\ub97c \ud1b5\ud574 \uc218\uc2e0\uc790\ub294 \uc911\ubcf5\ub41c \ub370\uc774\ud130 \uc138\uadf8\uba3c\ud2b8\ub97c \uc2dd\ubcc4\ud558\uc5ec \uc81c\uac70\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubb38\uc81c\ub4e4\uc740 \ub124\ud2b8\uc6cc\ud06c \uc9c0\uc5f0\uc774\ub098 \uc7ac\uc804\uc1a1 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<h3>\ub370\uc774\ud130\uadf8\ub7a8\uc73c\ub85c\uc11c\uc758 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db(UDP)<\/h3>\n<p><\/p>\n<p>\uc0ac\uc6a9\uc790 \ub370\uc774\ud130\uadf8\ub7a8 \ud504\ub85c\ud1a0\ucf5c(UDP)\uc740 \ub354 \uac04\ub2e8\ud558\uace0 \uc5f0\uacb0\uc774 \ud544\uc694 \uc5c6\ub294 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc2e0\ub8b0\uc131\ubcf4\ub2e4\ub294 \uc18d\ub3c4\ub97c \ub354 \uc911\uc694\ud558\uac8c \uc5ec\uae41\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc2e0\ub8b0\uc131\ubcf4\ub2e4\ub294 \uc18d\ub3c4\ub97c \uc6b0\uc120\uc2dc\ud558\ub294 \uac83<\/h4>\n<p><\/p>\n<p>UDP\ub294 \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud558\uae30 \uc804\uc5d0 \uc5f0\uacb0\uc744 \uc124\uc815\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ubc30\uc1a1\uc774\ub098 \uc8fc\ubb38\uc774 \ubcf4\uc7a5\ub418\ub294 \uac83\ub3c4 \uc544\ub2d9\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc29\uc2dd\uc740 \ud2b9\uc815 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc791\uc5c5 \uc18d\ub3c4\ub97c \ub192\uc774\uace0 \ud6a8\uc728\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. UDP\ub294 \uc9c0\uc5f0 \uc2dc\uac04\uc774 \ub9e4\uc6b0 \uc911\uc694\ud55c \ub124\ud2b8\uc6cc\ud06c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc774\uc0c1\uc801\uc778 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uac8c\uc784, \uc74c\uc131 \ubc0f \uc601\uc0c1 \ud1b5\uc2e0\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\ub4e4\uc740 \uc77c\uc815 \uc218\uc900\uc758 \ub370\uc774\ud130 \uc190\uc2e4\uc774 \ubc1c\uc0dd\ud574\ub3c4 \uc0ac\uc6a9\uc790\uac00 \ub290\ub07c\ub294 \ud488\uc9c8\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. UDP\ub294 \uc218\uc2e0 \uce21\uc774 \ub3d9\uc758\ud558\uae30 \uc804\uc5d0\ub3c4 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uac00\ub2a5\ud558\uac8c \ud568\uc73c\ub85c\uc368 \uc804\uc1a1 \uc18d\ub3c4\ub97c \ub192\uc5ec\uc90d\ub2c8\ub2e4. \uc774\ub294 \uc2dc\uac04\uc5d0 \ubbfc\uac10\ud55c \ud1b5\uc2e0\uc5d0 \ub9e4\uc6b0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p>UDP\uc758 \ube60\ub978 \uc18d\ub3c4\uac00 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc774\ub7ec\ud55c \uad6c\uccb4\uc801\uc778 \uc0ac\uc6a9 \uc0ac\ub840\ub4e4\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n<p><\/p>\n<ul><\/p>\n<li><a href=\"https:\/\/algomaster.io\/learn\/system-design\/tcp-vs-udp\" target=\"_blank\" rel=\"noopener\">\ube44\ub514\uc624 \uc2a4\ud2b8\ub9ac\ubc0d \uc11c\ube44\uc2a4(\uc608: \uc720\ud29c\ube0c, \ub137\ud50c\ub9ad\uc2a4)<\/a>: \ub2e8\uc77c \ud504\ub808\uc784\uc774 \uc190\uc2e4\ub418\ub294 \uac83\uc774 \uc2a4\ud2b8\ub9bc \uc804\uc1a1\uc744 \uc77c\uc2dc \uc911\ub2e8\ud558\uace0 \uc7ac\uc804\uc1a1\ud558\ub294 \uac83\ubcf4\ub2e4 \ub0ab\uae30 \ub54c\ubb38\uc5d0 UDP\uac00 \ub354 \uc120\ud638\ub429\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\ub4e4\uc740 \uc544\ub9c8\ub3c4 \uc0ac\uc18c\ud55c \uc624\ub958\ub9cc\uc744 \uc54c\uc544\ucc28\ub9b4 \uac83\uc785\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><a href=\"https:\/\/www.xcitium.com\/blog\/network\/what-is-udp-protocol\/\" target=\"_blank\" rel=\"noopener\">\uc628\ub77c\uc778 \uac8c\uc784<\/a>: UDP\uc758 \uc7a5\uc810\uc740, \uc870\uae08 \uc624\ub798\ub41c \uc815\ubcf4\ub77c\ub3c4 \ubc1b\ub294 \uac83\uc774 \ub108\ubb34 \ub2a6\uac8c \ub3c4\ucc29\ud558\ub294 \uc644\ubcbd\ud55c \uc815\ubcf4\ub97c \ubc1b\ub294 \uac83\ubcf4\ub2e4 \ub0ab\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><a href=\"https:\/\/bytebytego.com\/guides\/top-4-most-popular-use-cases-for-udp\/\" target=\"_blank\" rel=\"noopener\">\ub77c\uc774\ube0c \ube44\ub514\uc624 \uc2a4\ud2b8\ub9ac\ubc0d(VoIP \ubc0f \ud654\uc0c1 \ud68c\uc758 \ud3ec\ud568)<\/a>: UDP\uc758 \ub0ae\uc740 \uc624\ubc84\ud5e4\ub4dc\uc640 \ud328\ud0b7 \uc190\uc2e4\uc5d0 \ub300\ud55c \ud0c4\ub825\uc131 \ub355\ubd84\uc5d0 \uc9c0\uc5f0 \uc2dc\uac04\uc774 \uc904\uc5b4\ub4ed\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><a href=\"https:\/\/www.fortinet.com\/resources\/cyberglossary\/user-datagram-protocol-udp\" target=\"_blank\" rel=\"noopener\">\ub3c4\uba54\uc778 \uc774\ub984 \uc2dc\uc2a4\ud15c(DNS)<\/a>: \uc77c\ubc18\uc801\uc73c\ub85c \ube60\ub974\uace0 \uac00\ubcbc\uc6b4 \ucffc\ub9ac\ub97c \uc704\ud574 UDP\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\uc0ac\ubb3c\uc778\ud130\ub137(IoT) \uc7a5\uce58\ub4e4\uc740 \ubcf4\ud1b5 \uc18c\ub7c9\uc758 \ub370\uc774\ud130 \ud328\ud0b7\uc744 \uc804\uc1a1\ud560 \ub54c UDP\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<h4>\ube44\uc5f0\uacb0 \ud1b5\uc2e0<\/h4>\n<p><\/p>\n<p>UDP\ub294 \uc5f0\uacb0 \uc124\uc815\uc774 \ud544\uc694 \uc5c6\ub294 \ube44\uc5f0\uacb0\ud615 \ud504\ub85c\ud1a0\ucf5c\uc774\uae30 \ub54c\ubb38\uc5d0, \uc0ac\uc804 \uc124\uc815 \uc5c6\uc774 \ub370\uc774\ud130\uadf8\ub7a8\uc744 \uc804\uc1a1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc2dc\uc2a4\ud15c\uc740 \ud1b5\uc2e0\uc5d0 \uad00\ud55c \uc0c1\ud0dc \uc815\ubcf4\ub97c \uc720\uc9c0\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc624\ubc84\ud5e4\ub4dc\uc640 \uc9c0\uc5f0 \uc2dc\uac04\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac01 \ub370\uc774\ud130\uadf8\ub7a8\uc740 \ub3c5\ub9bd\uc801\uc778 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uc785\ub2c8\ub2e4. \ubc1c\uc2e0\uc790\ub294 \uadf8 \ub0b4\uc6a9\uc744 \ub2e8\uc21c\ud788 \uc218\uc2e0\uc9c0\ub85c \uc804\uc1a1\ud558\uae30\ub9cc \ud558\uba74 \ub429\ub2c8\ub2e4. \uc218\uc2e0\uae30\ub294 \ub370\uc774\ud130\uac00 \ub3c4\ucc29\ud558\uc790\ub9c8\uc790 \uc774\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131 \ub355\ubd84\uc5d0 UDP\ub294 \uac00\ub054\uc529 \ub370\uc774\ud130\uac00 \uc190\uc2e4\ub418\uc5b4\ub3c4 \ubb38\uc81c\uac00 \ub418\uc9c0 \uc54a\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db\uc758 \ub77c\uc6b0\ud305: \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35(\ub808\uc774\uc5b4 3)<\/h2>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc740 \uc11c\ub85c \ub2e4\ub978 \ub124\ud2b8\uc6cc\ud06c \uac04\uc5d0\uc11c \ub370\uc774\ud130\ub97c \ub77c\uc6b0\ud305\ud558\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\uc5d0\uc11c\ub294\u2026 <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/understanding-protocol-data-unit-pdu-network-guide\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704<\/a> \uc774\ub97c \u201c\ud328\ud0b7\u201d\uc73c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc774 \uacc4\uce35\uc740 \ud328\ud0b7\ub4e4\uc774 \uc9c0\ub9ac\uc801\uc73c\ub85c \ubd84\ub9ac\ub41c \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc704\uce58\ud574 \uc788\ub354\ub77c\ub3c4 \uc18c\uc2a4 \ud638\uc2a4\ud2b8\uc5d0\uc11c \ubaa9\uc801\uc9c0 \ud638\uc2a4\ud2b8\uae4c\uc9c0 \uc815\uc0c1\uc801\uc73c\ub85c \uc804\uc1a1\ub420 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ud328\ud0b7\uc73c\ub85c\uc11c\uc758 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704<\/h3>\n<p><\/p>\n<h4>\uae00\ub85c\ubc8c \uc811\uadfc\uc744 \uc704\ud55c \ub17c\ub9ac \uc8fc\uc18c \uc9c0\uc815 \ubc29\uc2dd<\/h4>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc740 \uc8fc\ub85c IP(\uc778\ud130\ub137 \ud504\ub85c\ud1a0\ucf5c) \uc8fc\uc18c\ub97c \ud1b5\ud574 \ub17c\ub9ac\uc801 \uc8fc\uc18c \uccb4\uacc4\ub97c \ub3c4\uc785\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc8fc\uc18c\ub4e4\uc740 \uacc4\uce35\uc801 \uad6c\uc870\ub97c \uc81c\uacf5\ud568\uc73c\ub85c\uc368 \uc7a5\uce58\ub4e4\uc774 \uc804 \uc138\uacc4\uc801\uc73c\ub85c \uc11c\ub85c \ud1b5\uc2e0\ud560 \uc218 \uc788\uac8c \ud574\uc90d\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub370\uc774\ud130 \uc13c\ud130\uc5d0 \uc704\uce58\ud55c \uc11c\ubc84\ub294 \uc778\ud130\ub137\uc744 \ud1b5\ud574 \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0\uac8c \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud560 \ub54c \uc790\uc2e0\uc758 IP \uc8fc\uc18c\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<blockquote><p><\/p>\n<p><a href=\"https:\/\/book.systemsapproach.org\/internetworking\/basic-ip.html\" target=\"_blank\" rel=\"noopener\">IP \uc8fc\uc18c\ub294 \uacc4\uce35 \uad6c\uc870\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub4e4\uc740 \ub124\ud2b8\uc6cc\ud06c \ubd80\ubd84\uacfc \ud638\uc2a4\ud2b8 \ubd80\ubd84\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4<\/a>\uc774 \uad6c\uc870\ub294 \ud2b9\uc815 \ub124\ud2b8\uc6cc\ud06c \ub0b4\uc758 \ud638\uc2a4\ud2b8\ub4e4\uc744 \uc2dd\ubcc4\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc6d0\ub798 IP \uc8fc\uc18c\ub294 32\ube44\ud2b8\uc758 \uc8fc\uc18c \uae38\uc774 \ub0b4\uc5d0\uc11c A \ud074\ub798\uc2a4, B \ud074\ub798\uc2a4, C \ud074\ub798\uc2a4\uc640 \uac19\uc740 \ub2e4\uc591\ud55c \uce74\ud14c\uace0\ub9ac\ub85c \ubd84\ub958\ub418\uc5c8\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc1812\" target=\"_blank\" rel=\"noopener\">\ud074\ub798\uc2a4\ub9ac\uc2a4 \ub3c4\uba54\uc778 \uac04 \ub77c\uc6b0\ud305(Classless Inter-Domain Routing, CIDR)\uc740 \uc774\ud6c4 IPv4\uc758 32\ube44\ud2b8 \uc8fc\uc18c \uacf5\uac04 \ud65c\uc6a9\ub960\uc744 \ud5a5\uc0c1\uc2dc\ucf30\uc2b5\ub2c8\ub2e4<\/a>CIDR\uc740 \uc784\uc758\uc758 \ud06c\uae30\uc758 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc9c0\uc6d0\ud558\uba70, \ub124\ud2b8\uc6cc\ud06c \uc811\ub450\uc0ac\ub97c \uae30\ubc18\uc73c\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4. IPv6 \uc8fc\uc18c\ub294 128\ube44\ud2b8 \uae38\uc774\uc774\ubbc0\ub85c, \uc8fc\uc18c \uacf5\uac04\uc774 \uc57d 3.4 \u00d7 10^38\uac1c\uc758 \uace0\uc720 \uc2dd\ubcc4\uc790\uc5d0 \uc774\ub974\uac8c \ud655\uc7a5\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub294 IPv4 \uc8fc\uc18c \uace0\uac08 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud55c \uac83\uc785\ub2c8\ub2e4. 32\ube44\ud2b8 \uc8fc\uc18c \uacf5\uac04\uc744 \uac00\uc9c4 IPv4\ub294 \uc57d 43\uc5b5 \uac1c\uc758 \uace0\uc720\ud55c \uc8fc\uc18c\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uc774\uac83\uc740 \ud604\ub300 \uc778\ud130\ub137\uc758 \ubc1c\uc804 \uc18d\ub3c4\uc5d0 \ubd80\uc871\ud55c \uac83\uc73c\ub85c \ub4dc\ub7ec\ub0ac\uc2b5\ub2c8\ub2e4. \uc0ac\uc124 \uc8fc\uc18c \ubc94\uc704\uc640 \ub124\ud2b8\uc6cc\ud06c \uc8fc\uc18c \ubcc0\ud658(NAT) \uae30\uc220\uc774 \uc774\ub7ec\ud55c \uc8fc\uc18c \ubd80\uc871 \ubb38\uc81c\ub97c \uc644\ud654\ud574 \uc90d\ub2c8\ub2e4.<\/p>\n<p><\/p><\/blockquote>\n<p><\/p>\n<h4>\ud328\ud0b7\uc774 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud558\ub294 \ubc29\ubc95<\/h4>\n<p><\/p>\n<p>\ub8e8\ud130\ub294 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc5d0\uc11c \uc791\ub3d9\ud569\ub2c8\ub2e4. \uadf8\ub4e4\uc740 \uac01 \ud328\ud0b7 \ub0b4\uc758 \ubaa9\uc801\uc9c0 IP \uc8fc\uc18c\ub97c \ud655\uc778\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ub77c\uc6b0\ud130\ub294 \ub77c\uc6b0\ud305 \ud14c\uc774\ube14\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud328\ud0b7\uc774 \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc704\ud55c \ucd5c\uc801\uc758 \uacbd\ub85c\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud504\ub85c\uc138\uc2a4\ub97c \ud1b5\ud574 \ud328\ud0b7\ub4e4\uc740 \uc5ec\ub7ec \ub124\ud2b8\uc6cc\ud06c\ub97c \uac70\uccd0 \ub300\ub959\uc744 \uac00\ub85c\uc9c0\ub974\uac70\ub098 \uc11c\ub85c \ub2e4\ub978 \ub370\uc774\ud130 \uc13c\ud130\ub97c \uc5f0\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p><a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/pdu-networking-basics-importance-in-network-communication\/\" target=\"_blank\" rel=\"noopener\">\ub124\ud2b8\uc6cc\ud06c PDU<\/a> \uc77c\ubc18\uc801\uc778 \uc778\ud130\ub137 \ud2b8\ub798\ud53d\uc758 (\ud398\uc774\ub85c\ub4dc) \ud06c\uae30\ub294 \ub2e4\uc591\ud569\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<table><\/p>\n<thead><\/p>\n<tr><\/p>\n<th>\ud504\ub808\uc784 \ubd80\ubd84<\/th>\n<p><\/p>\n<th>\ucd5c\uc18c \ud06c\uae30(\ubc14\uc774\ud2b8)<\/th>\n<p><\/p>\n<th>\ucd5c\ub300 \ud06c\uae30(\ubc14\uc774\ud2b8)<\/th>\n<p><\/tr>\n<p><\/thead>\n<p><\/p>\n<tbody><\/p>\n<tr><\/p>\n<td>\ub124\ud2b8\uc6cc\ud06c PDU(\ud398\uc774\ub85c\ub4dc)<\/td>\n<p><\/p>\n<td>46<\/td>\n<p><\/p>\n<td>1,500<\/td>\n<p><\/tr>\n<p><\/tbody>\n<p><\/table>\n<p><\/p>\n<p>\uc774\ub354\ub137 \ud504\ub808\uc784 \ud398\uc774\ub85c\ub4dc\ub85c \ud45c\uc2dc\ub418\ub294 \uc77c\ubc18\uc801\uc778 \uc778\ud130\ub137 \ud2b8\ub798\ud53d\uc5d0 \ub300\ud55c \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 PDU(\ud328\ud0b7)\uc758 \uc77c\ubc18\uc801\uc778 \ud06c\uae30\ub294 \ucd5c\uc18c <a href=\"https:\/\/sec.cloudapps.cisco.com\/security\/center\/resources\/network_performance_metrics.html\" target=\"_blank\" rel=\"noopener\">46\ubc14\uc774\ud2b8~\ucd5c\ub300 1,500\ubc14\uc774\ud2b8<\/a>. 46\ubc14\uc774\ud2b8\uc758 \ucd5c\uc18c \ud398\uc774\ub85c\ub4dc\ub294 \uc774\ub354\ub137\uc758 \uc2ac\ub86f \uc2dc\uac04\uc744 \uae30\uc900\uc73c\ub85c \ud55c \ubc18\uba74, \ucd5c\ub300 \ud398\uc774\ub85c\ub4dc\ub294 1500\ubc14\uc774\ud2b8\uac00 \ud45c\uc900\uc774\uba70 \ub354 \ud070 '\uc810\ubcf4 \ud504\ub808\uc784'\uc744 \uace0\ub824\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db \ub77c\uc6b0\ud305\uc5d0\uc11c IP\uc758 \uc5ed\ud560<\/h3>\n<p><\/p>\n<h4>\uc18c\uc2a4 \ubc0f \ub300\uc0c1 IP \uc8fc\uc18c<\/h4>\n<p><\/p>\n<p>\ubaa8\ub4e0 \ud328\ud0b7\uc5d0\ub294 \uc18c\uc2a4 IP \uc8fc\uc18c\uc640 \ub300\uc0c1 IP \uc8fc\uc18c\uac00 \ubaa8\ub450 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc18c\uc2a4 IP\ub294 \ubc1c\uc2e0\uc790\ub97c \uc2dd\ubcc4\ud558\uace0 \ub300\uc0c1 IP\ub294 \uc758\ub3c4\ub41c \uc218\uc2e0\uc790\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4. \ub77c\uc6b0\ud130\ub294 \uc774\ub7ec\ud55c \uc8fc\uc18c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc804\ub2ec \uacb0\uc815\uc744 \ub0b4\ub9bd\ub2c8\ub2e4. \ucd5c\uc885 \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud560 \ub54c\uae4c\uc9c0 \ud328\ud0b7 \ud649\uc744 \ud649 \ub2e8\uc704\ub85c \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uc758 \ub2e8\ud3b8\ud654 \ubc0f \uc7ac\uc870\ub9bd<\/h4>\n<p><\/p>\n<p>\ub54c\ub85c\ub294 \ud2b9\uc815 \ub124\ud2b8\uc6cc\ud06c \ub9c1\ud06c\uc5d0 \ube44\ud574 \ud328\ud0b7\uc774 \ub108\ubb34 \ud070 \uacbd\uc6b0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud328\ud0b7 \ud06c\uae30\uac00 \ud574\ub2f9 \ub9c1\ud06c\uc758 MTU(\ucd5c\ub300 \uc804\uc1a1 \ub2e8\uc704)\ub97c \ucd08\uacfc\ud560 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub7f0 \uc77c\uc774 \ubc1c\uc0dd\ud558\uba74, <a href=\"https:\/\/packetpushers.net\/blog\/ip-fragmentation-in-detail\/\" target=\"_blank\" rel=\"noopener\">IP \uc870\uac01\ud654\ub294 \ud328\ud0b7\uc744 \ub354 \uc791\uc740 \uc870\uac01\uc73c\ub85c \ub098\ub215\ub2c8\ub2e4.<\/a>.<\/p>\n<p><\/p>\n<blockquote><p><\/p>\n<p>IP \uc870\uac01\ud654\ub294 \ud328\ud0b7\uc774 \ub354 \uc791\uc740 \uc870\uac01\uc73c\ub85c \ub098\ub258\ub294 \uc778\ud130\ub137 \ud504\ub85c\ud1a0\ucf5c \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \uc774\ub294 \uc6d0\ub798 \ud328\ud0b7 \ud06c\uae30\uac00 \ud1b5\uacfc\ud574\uc57c \ud558\ub294 \ub9c1\ud06c\uc758 \ucd5c\ub300 \uc804\uc1a1 \ub2e8\uc704(MTU)\ubcf4\ub2e4 \ud074 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uacb0\uacfc\ub85c \ub098\uc624\ub294 \uc791\uc740 \uc870\uac01\uc774 \ud574\ub2f9 \ub9c1\ud06c\ub97c \ud1b5\uacfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. IPv4\uc5d0\uc11c\ub294 \ub77c\uc6b0\ud130\uac00 \ub2e4\uc74c \ud649\uc758 MTU\ubcf4\ub2e4 \ud070 \ub124\ud2b8\uc6cc\ud06c \ud328\ud0b7\uc744 \uc218\uc2e0\ud558\ub294 \uacbd\uc6b0 \ub450 \uac00\uc9c0 \uc635\uc158\uc774 \uc788\uc2b5\ub2c8\ub2e4. 'Don't Fragment'(DF) \ud50c\ub798\uadf8\uac00 \uc124\uc815\ub41c \uacbd\uc6b0 \ud328\ud0b7\uc744 \uc0ad\uc81c\ud558\uace0 ICMP 'Fragmentation Needed' \uba54\uc2dc\uc9c0\ub97c \ubcf4\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ub294 \ud328\ud0b7\uc744 \uc870\uac01\ud654\ud558\uc5ec \ub354 \uc791\uc740 MTU\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub9c1\ud06c\ub97c \ud1b5\ud574 \ubcf4\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p><\/blockquote>\n<p><\/p>\n<p>\uc870\uac01\ud654\ub85c \uc778\ud574 \uc624\ubc84\ud5e4\ub4dc\uc640 \ub300\uae30 \uc2dc\uac04\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc218\uc2e0 \ud638\uc2a4\ud2b8\ub294 \uc6d0\ubcf8 \ud328\ud0b7\uc744 \uc7ac\uad6c\uc131\ud558\uae30 \uc704\ud574 \ubaa8\ub4e0 \uc870\uac01\uc744 \uc7ac\uc870\ub9bd\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \ub370\uc774\ud130 \uc13c\ud130\ub97c \uc5f0\uacb0\ud558\ub294 \ub2e4\uc591\ud55c WAN \ub610\ub294 VPN \ud130\ub110\uc744 \ud3ec\ud568\ud558\uc5ec \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c \uc778\ud504\ub77c \uc804\ubc18\uc5d0 \uac78\uccd0 \ub370\uc774\ud130 \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uc758 \ub85c\uceec \uc804\ub2ec: \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35(\uacc4\uce35 2)<\/h2>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc740 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \ud328\ud0b7\uc744 \ub77c\uc6b0\ud305\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc774 \ub85c\uceec \uc804\ub2ec\uc744 \ub300\uc2e0\ud569\ub2c8\ub2e4. \uc774 \uacc4\uce35\uc740 \uc9c1\uc811 \uc5f0\uacb0\ub41c \uc7a5\uce58 \uac04\uc5d0 \ub370\uc774\ud130\uac00 \uc548\uc815\uc801\uc73c\ub85c \uc774\ub3d9\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc758 \ud328\ud0b7\uc744 \"\ud504\ub808\uc784\"\uc73c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.\"<\/p>\n<p><\/p>\n<h3>\ud504\ub808\uc784\uc73c\ub85c\uc11c\uc758 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704<\/h3>\n<p><\/p>\n<p>\ub370\uc774\ud130\ub9c1\ud06c \uacc4\uce35\uc5d0\uc11c\ub294 <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/understanding-protocol-data-unit-pdu-network-guide\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704<\/a> \ud504\ub808\uc784\uc774 \ub429\ub2c8\ub2e4. \uc774 \ud504\ub808\uc784\uc740 \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8\ub97c \ud1b5\ud55c \ubb3c\ub9ac\uc801 \uc804\uc1a1\uc744 \uc704\ud574 \ub370\uc774\ud130\ub97c \uc900\ube44\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc774\ub354\ub137 \ud504\ub808\uc784\uc740 IP \ud328\ud0b7\uc744 \ud398\uc774\ub85c\ub4dc\ub85c \ucea1\uc290\ud654\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ud2b9\uc815 \ud5e4\ub354, \ud2b8\ub808\uc77c\ub7ec, \uc18c\uc2a4 \ubc0f \ub300\uc0c1 MAC(\ubbf8\ub514\uc5b4 \uc561\uc138\uc2a4 \uc81c\uc5b4) \uc8fc\uc18c\uac00 \ubaa8\ub450 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c MAC \uc8fc\uc18c\ub294 \uc11c\ubc84 \ubc0f \ub370\uc774\ud130 \uc13c\ud130 \ub0b4\uc5d0\uc11c \uac00\uc7a5 \uac00\uae4c\uc6b4 \ub77c\uc6b0\ud130\uc640 \uac19\uc740 \ud1b5\uc2e0 \uc7a5\uce58\uc758 \ub124\ud2b8\uc6cc\ud06c \uc778\ud130\ud398\uc774\uc2a4 \uce74\ub4dc(NIC)\ub97c \uc2dd\ubcc4\ud569\ub2c8\ub2e4. Wi-Fi \ub124\ud2b8\uc6cc\ud06c\ub3c4 \ud504\ub808\uc784\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc74c\uacfc \uac19\uc774 \ubd84\ub958\ud569\ub2c8\ub2e4. <a href=\"https:\/\/howiwifi.com\/2020\/07\/13\/802-11-frame-types-and-formats\/\" target=\"_blank\" rel=\"noopener\">\uad00\ub9ac, \uc81c\uc5b4 \ubc0f \ub370\uc774\ud130 \ud504\ub808\uc784<\/a>. \uae30\ubcf8 \uc774\ub354\ub137 \ud504\ub808\uc784\uc758 \ud06c\uae30\ub294 1518\ubc14\uc774\ud2b8\uc785\ub2c8\ub2e4. \ucd5c\uc2e0 \ud45c\uc900\uc5d0\uc11c\ub294 \uc774\ub354\ub137 \ud504\ub808\uc784 \ud06c\uae30\ub97c 2000\ubc14\uc774\ud2b8\ub85c \ud655\uc7a5\ud588\uc2b5\ub2c8\ub2e4. \ud504\ub808\uc784 \ud615\uc2dd\uc740 \uc77c\ubc18\uc801\uc73c\ub85c MTU(\ucd5c\ub300 \uc804\uc1a1 \ub2e8\uc704)\ub85c \uc54c\ub824\uc9c4 \uc0c1\ud55c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac00\ubcc0 \uae38\uc774 \ud504\ub808\uc784\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>MAC \uc8fc\uc18c\ub97c \uc0ac\uc6a9\ud55c \ubb3c\ub9ac\uc801 \uc8fc\uc18c \uc9c0\uc815<\/h4>\n<p><\/p>\n<p>MAC \uc8fc\uc18c\ub294 \ubb3c\ub9ac\uc801 \uc8fc\uc18c \uc9c0\uc815\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uac01 \ub124\ud2b8\uc6cc\ud06c \uc778\ud130\ud398\uc774\uc2a4 \uce74\ub4dc\uc5d0\ub294 \uace0\uc720\ud55c MAC \uc8fc\uc18c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc8fc\uc18c\ub97c \uc0ac\uc6a9\ud558\uba74 \ub3d9\uc77c\ud55c \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8\uc5d0 \uc788\ub294 \uc7a5\uce58\uac00 \uc9c1\uc811 \ud1b5\uc2e0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub77c\uc6b0\ud130\ub294 MAC \uc8fc\uc18c\ub97c \uc0ac\uc6a9\ud558\uc5ec LAN \ub0b4\uc758 \uc62c\ubc14\ub978 \uc7a5\uce58\uc5d0 \ud504\ub808\uc784\uc744 \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc624\ub958 \uac10\uc9c0 \ubc0f \uc218\uc815 \uba54\ucee4\ub2c8\uc998<\/h4>\n<p><\/p>\n<p>\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc740 \ub85c\uceec \uc804\uc1a1 \uc911\uc5d0 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. FCS(\ud504\ub808\uc784 \uac80\uc0ac \uc2dc\ud000\uc2a4)\ub294 CRC(\uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac)\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc624\ub958 \uac10\uc9c0 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc1a1\uc2e0\uc790\ub294 \ud504\ub808\uc784 \ub0b4\uc6a9\uc744 \uae30\ubc18\uc73c\ub85c \uccb4\ud06c\uc12c\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uc608\uace0\ud3b8\uc5d0\ub294 \uc774 \uccb4\ud06c\uc12c\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc218\uc2e0\uc790\ub294 \uccb4\ud06c\uc12c\uc744 \ub2e4\uc2dc \uacc4\uc0b0\ud558\uace0 \uc774\ub97c \uc218\uc2e0\ub41c FCS\uc640 \ube44\uad50\ud569\ub2c8\ub2e4. \uccb4\ud06c\uc12c\uc774 \uc77c\uce58\ud558\uba74 \ud504\ub808\uc784\uc774 \uc624\ub958 \uc5c6\uc774 \ub3c4\ucc29\ud588\uc744 \uac00\ub2a5\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4. \uc11c\ub85c \ub2e4\ub978 \uacbd\uc6b0 \uc218\uc2e0\uc790\ub294 \uc190\uc0c1\ub41c \ud504\ub808\uc784\uc744 \uc0ad\uc81c\ud569\ub2c8\ub2e4. \ub2e4\ub978 \uc624\ub958 \uac10\uc9c0 \uae30\uc220\uc5d0\ub294 \ud328\ub9ac\ud2f0 \ube44\ud2b8\uc640 \uccb4\ud06c\uc12c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. Forward Error Correction\uacfc \uac19\uc740 \uc624\ub958 \uc815\uc815 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uba74 \uc218\uc2e0\uc790\uac00 \uc7ac\uc804\uc1a1 \uc5c6\uc774 \uc624\ub958\ub97c \uc218\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ub124\ud2b8\uc6cc\ud06c \uc804\uc1a1\uc744 \uc704\ud55c \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704 \ud504\ub808\uc774\ubc0d<\/h3>\n<p><\/p>\n<h4>\uc2dc\uc791 \ubc0f \ub05d \ud504\ub808\uc784 \uad6c\ubd84 \uae30\ud638<\/h4>\n<p><\/p>\n<p>\ud504\ub808\uc784\uc740 \uc2dc\uc791\uacfc \ub05d\uc5d0\uc11c \ud2b9\uc815 \ube44\ud2b8 \ud328\ud134\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub97c \ud504\ub808\uc784 \uad6c\ubd84 \uae30\ud638\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc774\ub294 \uc218\uc2e0 \uc7a5\uce58\uac00 \ud504\ub808\uc784\uc774 \uc2dc\uc791\ub418\uace0 \ub05d\ub098\ub294 \uc704\uce58\ub97c \uc2dd\ubcc4\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc218\uc2e0\uae30\uac00 \ud504\ub808\uc784 \ub0b4\uc758 \ub370\uc774\ud130\ub97c \uc62c\ubc14\ub974\uac8c \ud574\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc758 \ud750\ub984 \uc81c\uc5b4<\/h4>\n<p><\/p>\n<p>\ud750\ub984 \uc81c\uc5b4\ub294 \ube60\ub978 \uc1a1\uc2e0\uc790\uac00 \ub290\ub9b0 \uc218\uc2e0\uc790\ub97c \uc555\ub3c4\ud558\ub294 \uac83\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uc774\ub294 \ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. Stop-and-Wait \ud504\ub85c\ud1a0\ucf5c\uc740 \uae30\ubcf8\uc801\uc778 \uba54\ucee4\ub2c8\uc998\uc785\ub2c8\ub2e4. \uc1a1\uc2e0\uc790\ub294 \ud558\ub098\uc758 \ud504\ub808\uc784\uc744 \uc804\uc1a1\ud558\uace0 \ub2e4\uc74c \ud504\ub808\uc784\uc744 \ubcf4\ub0b4\uae30 \uc804\uc5d0 \uc218\uc2e0\uc790\uc758 \uc2b9\uc778\uc744 \uae30\ub2e4\ub9bd\ub2c8\ub2e4. \uc2ac\ub77c\uc774\ub529 \uc708\ub3c4\uc6b0 \ud504\ub85c\ud1a0\ucf5c\uc740 \uace0\uae09 \ubc84\uc804\uc785\ub2c8\ub2e4. \uc2b9\uc778\uc744 \ubc1b\uae30 \uc804\uc5d0 \uc5ec\ub7ec \ud504\ub808\uc784\uc744 \ubcf4\ub0bc \uc218 \uc788\ub3c4\ub85d \ud558\uc5ec \ub370\uc774\ud130 \uc804\uc1a1 \ud6a8\uc728\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc720\ud734 \uc2dc\uac04\uc774 \uc904\uc5b4\ub4e4\uace0 \ub124\ud2b8\uc6cc\ud06c \uc0ac\uc6a9\uc774 \ucd5c\uc801\ud654\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>\ubb3c\ub9ac\uc801 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704: \ube44\ud2b8 \uc628 \ub354 \uc640\uc774\uc5b4(\uacc4\uce35 1)<\/h2>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/fce2c4f2e5f7491889ee7865d2b13148.webp\" alt=\"\ubb3c\ub9ac\uc801 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704: \ube44\ud2b8 \uc628 \ub354 \uc640\uc774\uc5b4(\uacc4\uce35 1)\" \/><\/p>\n<p><\/p>\n<p>\uc758 \uc5ec\ud589 <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/understanding-protocol-data-unit-pdu-network-guide\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db<\/a> \ubb3c\ub9ac \uacc4\uce35\uc5d0\uc11c \uc815\uc810\uc5d0 \uc774\ub985\ub2c8\ub2e4. \uc774 \uacc4\uce35\uc740 \ubb3c\ub9ac\uc801 \ub9e4\uccb4\ub97c \ud1b5\ud55c \uc6d0\uc2dc \ub370\uc774\ud130 \ube44\ud2b8\uc758 \uc2e4\uc81c \uc804\uc1a1\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc758 \ud504\ub808\uc784\uc744 \uc804\uae30 \uc2e0\ud638, \uad11 \ud384\uc2a4 \ub610\ub294 \uc804\ud30c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\ub97c \ube44\ud2b8\ub85c \ubcc0\ud658<\/h3>\n<p><\/p>\n<h4>\ud504\ub808\uc784\uc744 \uc804\uae30 \uc2e0\ud638 \ub610\ub294 \uad11 \ud384\uc2a4\ub85c \ubcc0\ud658<\/h4>\n<p><\/p>\n<p>\uc774 \uae30\ubcf8 \uacc4\uce35\uc5d0\uc11c\ub294 \uacc4\uce35 2\uc758 \ud504\ub808\uc784\uc774 \ube44\ud2b8 \uc2a4\ud2b8\ub9bc\uc73c\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc774 \ube44\ud2b8\ub294 \ubb3c\ub9ac\uc801 \uc2e0\ud638\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub370\uc774\ud130 \uc13c\ud130 \uc11c\ubc84\uc758 \ub124\ud2b8\uc6cc\ud06c \uc778\ud130\ud398\uc774\uc2a4 \uce74\ub4dc(NIC)\ub294 \uad6c\ub9ac \ucf00\uc774\ube14\uc744 \ud1b5\ud55c \uc804\uc1a1\uc744 \uc704\ud574 \ub514\uc9c0\ud138 \ub370\uc774\ud130\ub97c \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uac01 \ube44\ud2b8\ub294 \ud2b9\uc815 \uc804\uc555 \ub808\ubca8\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ub294 \uad11\uc12c\uc720 \ucf00\uc774\ube14\uc758 \uacbd\uc6b0 \ub370\uc774\ud130\uac00 \uad11 \ud384\uc2a4\ub85c \uc804\uc1a1\ub429\ub2c8\ub2e4. Wi-Fi\uc640 \uac19\uc740 \ubb34\uc120 \ub9e4\uccb4\ub294 \uc804\ud30c\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4. \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ub2e4\uc591\ud55c \ubcc0\uc870 \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub300\uc5ed\ud3ed\uacfc \ub370\uc774\ud130 \uc18d\ub3c4\ub97c \ucd5c\uc801\ud654\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4 <a href=\"https:\/\/www.linkedin.com\/pulse\/osi-model-shaping-modern-system-design-software-ashish-joshi-2rlhf\" target=\"_blank\" rel=\"noopener\">QAM(\uc9c1\uad50 \uc9c4\ud3ed \ubcc0\uc870), PSK(\uc704\uc0c1 \ud3b8\uc774 \ubcc0\uc870) \ubc0f FSK(\uc8fc\ud30c\uc218 \ud3b8\uc774 \ubcc0\uc870)<\/a>. \uc608\ub97c \ub4e4\uc5b4, \uc774\uc804 \ubaa8\ub380 \uae30\uc220\uc5d0\uc11c\ub294 1\ube44\ud2b8\ub294 \uc18c\ub9ac\ub97c \ub098\ud0c0\ub0b4\uace0 0\ube44\ud2b8\ub294 \uce68\ubb35(AM \ubcc0\uc870)\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. FSK\ub294 1\ube44\ud2b8\uc5d0\ub294 \uace0\uc74c, 0\ube44\ud2b8\uc5d0\ub294 \uc800\uc74c\uc744 \uc0ac\uc6a9\ud588\uc2b5\ub2c8\ub2e4. \uc704\uc0c1 \uc778\ucf54\ub529\uc740 \uc2e0\ud638\uc758 \uc704\uc0c1\uc744 \uc0ac\uc6a9\ud558\ubbc0\ub85c \uac01 Baud\uac00 \uc5ec\ub7ec \ube44\ud2b8\ub97c \uc778\ucf54\ub529\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ucd5c\uc2e0 \ubaa8\ub380\uc740 \ub354 \ube60\ub978 \uc18d\ub3c4\ub97c \uc704\ud574 \uc774\ub7ec\ud55c \ubc29\ubc95\uc744 \uacb0\ud569\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc6d0\uc2dc \uc804\uc1a1 \ub9e4\uccb4<\/h4>\n<p><\/p>\n<p>\ubb3c\ub9ac\uacc4\uce35\uc5d0\uc11c\ub294 \ub2e4\uc591\ud55c \uc804\uc1a1\ub9e4\uccb4\ub97c \ud65c\uc6a9\ud55c\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4 <a href=\"https:\/\/jumpcloud.com\/it-index\/what-is-the-osi-model\" target=\"_blank\" rel=\"noopener\">\uc774\ub354\ub137 \ucf00\uc774\ube14, Wi-Fi \uc804\ud30c \ubc0f USB \uc5f0\uacb0<\/a>. \uc774\ub7ec\ud55c \ubbf8\ub514\uc5b4\ub294 \ubcc0\ud658\ub41c \uc2e0\ud638\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4. \ubb3c\ub9ac \uacc4\uce35\uc740 \uc774 \ubb3c\ub9ac \ub9e4\uccb4\ub97c \ud1b5\ud55c \uc6d0\uc2dc \ub370\uc774\ud130 \ube44\ud2b8\uc758 \uc2e4\uc81c \uc804\uc1a1\uc744 \ub2f4\ub2f9\ud569\ub2c8\ub2e4. \uc804\uc1a1 \ub9e4\uccb4\uc758 \ubb3c\ub9ac\uc801 \ud2b9\uc131\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc804\uc555 \uc218\uc900, \ubcc0\uacbd \uc2dc\uae30, \ubb3c\ub9ac\uc801 \ucee4\ub125\ud130\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ubb3c\ub9ac\uc801 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db\uc758 \ubcf4\uc774\uc9c0 \uc54a\ub294 \uc5ec\uc815<\/h3>\n<p><\/p>\n<h4>\uc778\ucf54\ub529 \ubc0f \ub514\ucf54\ub529 \uae30\uc220<\/h4>\n<p><\/p>\n<p>\uc778\ucf54\ub529 \uae30\uc220\uc740 \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud574 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ub514\uc9c0\ud138 \ub370\uc774\ud130\ub97c \ubb3c\ub9ac\uc801 \ub9e4\uccb4\uc5d0 \uc801\ud569\ud55c \ud615\uc2dd\uc73c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Physical_layer\" target=\"_blank\" rel=\"noopener\">\ub77c\uc778 \ucf54\ub529\uc740 \ub370\uc774\ud130\ub97c \uc804\uae30\uc801 \ubcc0\ub3d9\uc73c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/a>. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \ud6a8\uacfc\uc801\uc778 \ub370\uc774\ud130 \ud750\ub984\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc218\uc2e0\uae30\ub294 \uc774\ub7ec\ud55c \uc2e0\ud638\ub97c \ub2e4\uc2dc \ub514\uc9c0\ud138 \ube44\ud2b8\ub85c \ub514\ucf54\ub529\ud569\ub2c8\ub2e4. \uc774\ub294 \uc804\uc1a1\ub41c \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\ube44\ud2b8 \uc2a4\ud2b8\ub9bc \ub3d9\uae30\ud654<\/h4>\n<p><\/p>\n<p>\ub3d9\uae30\ud654\ub294 \ubb3c\ub9ac \uacc4\uce35\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub294 \uc218\uc2e0\uc790\uac00 \ub4e4\uc5b4\uc624\ub294 \ube44\ud2b8 \uc2a4\ud2b8\ub9bc\uc744 \uc62c\ubc14\ub974\uac8c \ud574\uc11d\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. <a href=\"https:\/\/www.rakon.com\/learning-hub\/blog-synchronisation-fundamentals-for-digital-communication-systems\" target=\"_blank\" rel=\"noopener\">\ud45c\uc900 \ud074\ub85d\uc744 \uc0ac\uc6a9\ud558\uc5ec \ube44\ud2b8 \ub3d9\uae30\ud654\uac00 \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4.<\/a>. \ud55c \uc5d0\uc9c0\ub294 \ub370\uc774\ud130\ub97c \ubcf4\ub0b4\uace0 \uc9c0\uc5f0\ub41c \uc5d0\uc9c0\ub294 \uc774\ub97c \uc218\uc2e0\ud569\ub2c8\ub2e4. \uacf5\ud1b5 \ud074\ub85d\uc740 \uc885\uc885 \ub450 \uc778\ud130\ud398\uc774\uc2a4\ub97c \ubaa8\ub450 \uad6c\ub3d9\ud569\ub2c8\ub2e4. \ubb3c\ub9ac \uacc4\uce35 \ub3d9\uae30\ud654\ub294 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc8fc\ud30c\uc218 \ub3d9\uae30\ud654\ub97c \uc704\ud55c \uae30\ubcf8 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uae30\uc874 \ub514\uc9c0\ud138 \uc804\uc1a1 \uc2dc\uc2a4\ud15c\uacfc \ud604\ub300 \ub514\uc9c0\ud138 \uc804\uc1a1 \uc2dc\uc2a4\ud15c \ubaa8\ub450\uc5d0\uc11c \ubb3c\ub9ac\uc801 \uacc4\uce35 \ud074\ub7ed \ubcf5\uad6c\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. <a href=\"https:\/\/jumpcloud.com\/it-index\/understanding-layer-1-the-physical-layer-of-the-osi-model\" target=\"_blank\" rel=\"noopener\">\ud074\ub85d \ubcf5\uad6c \uba54\ucee4\ub2c8\uc998<\/a> \uc218\uc2e0\ub41c \uc2e0\ud638\uc5d0\uc11c \uc9c1\uc811 \ud0c0\uc774\ubc0d \uc815\ubcf4\ub97c \ucd94\ucd9c\ud569\ub2c8\ub2e4. \uc77c\ubd80 \uc778\ucf54\ub529 \ubc29\ubc95\uc740 \ub370\uc774\ud130 \uc2a4\ud2b8\ub9bc \uc790\uccb4 \ub0b4\uc5d0 \ud074\ub7ed \uc2e0\ud638\ub97c \ud1b5\ud569\ud569\ub2c8\ub2e4. \ub2e4\ub978 \uc2dc\uc2a4\ud15c\uc740 \ub370\uc774\ud130\uc640 \ud568\uaed8 \ub3c5\ub9bd\uc801\uc73c\ub85c \ud074\ub7ed \uc2e0\ud638\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4. \ud504\ub9ac\uc570\ube14 \ube44\ud2b8 \ud328\ud134\uc740 \ud504\ub808\uc784 \ub3d9\uae30\ud654\uc5d0\ub3c4 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc218 \ud328\ud134\uc740 \uc218\uc2e0\uae30\uac00 \uc218\uc2e0 \uc2e0\ud638\ub97c \ud3ec\ucc29\ud558\uace0 \uc801\uc808\ud55c \ud0c0\uc774\ubc0d\uc744 \uc124\uc815\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>\ucea1\uc290\ud654 \ud504\ub85c\uc138\uc2a4: \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uac00 \uc2a4\ud0dd\uc744 \ub0b4\ub824\uac00\ub294 \ubc29\ubc95<\/h2>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/caf72eb30b7e44839c44b000469acf67.webp\" alt=\"\ucea1\uc290\ud654 \ud504\ub85c\uc138\uc2a4: \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uac00 \uc2a4\ud0dd\uc744 \ub0b4\ub824\uac00\ub294 \ubc29\ubc95\" \/><\/p>\n<p><\/p>\n<p>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc5d0\uc11c \ubb3c\ub9ac \uacc4\uce35\uae4c\uc9c0 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704(PDU)\uac00 \uc774\ub3d9\ud558\ub294 \uacfc\uc815\uc5d0\ub294 \ucea1\uc290\ud654\ub77c\ub294 \uc911\uc694\ud55c \ud504\ub85c\uc138\uc2a4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud55c \ucd5c\uc885 \uc804\uc1a1\uc744 \uc704\ud574 \ub370\uc774\ud130\ub97c \uc900\ube44\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uc5d0 \ud5e4\ub354 \ubc0f \ud2b8\ub808\uc77c\ub7ec \ucd94\uac00<\/h3>\n<p><\/p>\n<p>PDU\uac00 OSI \uc2a4\ud0dd \uc544\ub798\ub85c \uc774\ub3d9\ud568\uc5d0 \ub530\ub77c \uac01 \ub808\uc774\uc5b4\ub294 \uc790\uc2e0\uc758 \uace0\uc720\ud55c \ub808\uc774\uc5b4\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/pdu-networking-basics-importance-in-network-communication\/\" target=\"_blank\" rel=\"noopener\">\uc81c\uc5b4 \uc815\ubcf4<\/a>. \uc774 \uc815\ubcf4\ub294 \ud2b9\uc815 \uacc4\uce35\uc5d0\uc11c\uc758 \uc801\uc808\ud55c \ucc98\ub9ac \ubc0f \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uac01 \ub2e8\uacc4\uc5d0\uc11c \ub808\uc774\uc5b4\ubcc4 \uc815\ubcf4\uac00 \ucd94\uac00\ub428<\/h4>\n<p><\/p>\n<p>\uac01 \uacc4\uce35\uc740 \uc0c1\uc704 \uacc4\uce35\uc73c\ub85c\ubd80\ud130 \uc218\uc2e0\ud55c PDU\uc5d0 \ud5e4\ub354\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \ub54c\ub85c\ub294 \ub808\uc774\uc5b4\uac00 \uc608\uace0\ud3b8\uc744 \ucd94\uac00\ud558\uae30\ub3c4 \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ucd94\uac00 \uc0ac\ud56d\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/pdu-networking-basics-importance-in-network-communication\/\" target=\"_blank\" rel=\"noopener\">\uc911\uc694\ud55c \uc9c0\uce68<\/a> \uc218\uc2e0 \uce21\uc758 \ud53c\uc5b4 \uacc4\uce35\uc5d0 \ub300\ud574. \uc608\ub97c \ub4e4\uc5b4 \uc804\uc1a1 \uacc4\uce35\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc2dd\ubcc4\uc744 \uc704\ud574 \ud3ec\ud2b8 \ubc88\ud638\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc740 \ub77c\uc6b0\ud305\uc744 \uc704\ud574 IP \uc8fc\uc18c\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc740 \ub85c\uceec \uc804\ub2ec\uc744 \uc704\ud574 MAC \uc8fc\uc18c\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc815\ubcf4\uc758 \uccb4\uacc4\uc801\uc778 \ucd94\uac00\ub294 \uac01 \uacc4\uce35\uc774 \ud574\ub2f9 \uae30\ub2a5\uc744 \uc62c\ubc14\ub974\uac8c \uc218\ud589\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\ub370\uc774\ud130\uac00 \ub0b4\ub824\uac08 \ub54c \ub370\uc774\ud130\uc758 \"\ub798\ud551\"<\/h4>\n<p><\/p>\n<p>\ucea1\uc290\ud654\ub97c \"\ub798\ud551\" \ud504\ub85c\uc138\uc2a4\ub85c \uc2dc\uac01\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35 PDU\ub294 \ud504\ub808\uc820\ud14c\uc774\uc158 \uacc4\uce35\uc758 \ub370\uc774\ud130 \ud398\uc774\ub85c\ub4dc\uac00 \ub429\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ud504\ub808\uc820\ud14c\uc774\uc158 \uacc4\uce35\uc740 \ud5e4\ub354\ub97c \ucd94\uac00\ud558\uc5ec \uc0c8 PDU\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uadf8\ub7ec\uba74 \uc774 \uc0c8\ub85c\uc6b4 PDU\uac00 \uc138\uc158 \uacc4\uce35\uc758 \ud398\uc774\ub85c\ub4dc\uac00 \ub429\ub2c8\ub2e4. \uac01 \uacc4\uce35\uc740 \uc790\uccb4 \uc81c\uc5b4 \uc815\ubcf4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc704 \uacc4\uce35\uc758 PDU\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \ub798\ud551\ud569\ub2c8\ub2e4. \uc774\ub294 \uac01 \ub808\uc774\uc5b4\uc758 PDU\uac00 \uc704 \ub808\uc774\uc5b4\uc758 PDU\ub97c \ud3ec\ud568\ud558\ub294 \ub7ec\uc2dc\uc544 \uc778\ud615\uacfc \uc720\uc0ac\ud55c \uc911\ucca9 \uad6c\uc870\ub97c \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uc5d0 \ub300\ud55c \ub204\uc801 \ud6a8\uacfc<\/h3>\n<p><\/p>\n<p>\ucea1\uc290\ud654\ub294 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uc758 \ud06c\uae30\uc640 \ubb34\uacb0\uc131\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ucd94\uac00\ub41c \uac01 \ud5e4\ub354 \ub610\ub294 \ud2b8\ub808\uc77c\ub7ec\ub294 \uc804\uccb4 \ud06c\uae30\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uac01 \ub808\uc774\uc5b4\uc758 \uc624\ubc84\ud5e4\ub4dc\ub85c \ud06c\uae30 \uc99d\uac00<\/h4>\n<p><\/p>\n<p>\uac01 \ub808\uc774\uc5b4\uac00 \ud5e4\ub354\uc640 \ud2b8\ub808\uc77c\ub7ec\ub97c \ucd94\uac00\ud558\uba74 PDU\uc758 \ud06c\uae30\uac00 \ub298\uc5b4\ub0a9\ub2c8\ub2e4. \uc774 \ub204\uc801 \ud6a8\uacfc\ub294 PDU\uac00 \uc2a4\ud0dd \uc544\ub798\ub85c \ub0b4\ub824\uac08\uc218\ub85d \ub354 \ucee4\uc9c4\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 IPSec \ucea1\uc290\ud654\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud328\ud0b7 \ud06c\uae30\ub97c \ub2e4\uc74c\uacfc \uac19\uc774 \ub298\ub9bd\ub2c8\ub2e4. <a href=\"https:\/\/pantherun.com\/reducing-the-hidden-costs-of-encryption-how-pantheruns-zero-format-and-size-change-encryption-is-a-game-changer\/\" target=\"_blank\" rel=\"noopener\">\ud328\ud0b7\ub2f9 40~60\ubc14\uc774\ud2b8<\/a>. \uc774\ub7ec\ud55c \uc99d\uac00\ub294 \uc0c8\ub85c\uc6b4 IP \ud5e4\ub354, ESP \ub610\ub294 AH\uc640 \uac19\uc740 \ubcf4\uc548 \ud5e4\ub354 \ubc0f \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uc744 \uc704\ud55c \ud328\ub529\uc758 \ucd94\uac00\ub85c \uc778\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. ESP \ud130\ub110 \ubaa8\ub4dc\uc5d0\uc11c AES-CBC \ubc0f HMAC-SHA1-96\uacfc \uac19\uc740 \ucd5c\uc545\uc758 \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c IPSec \ucea1\uc290\ud654\ub294 \ucd1d \uc624\ubc84\ud5e4\ub4dc\uc5d0 \uadfc\uc811\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/sendthepayload.com\/vpn-deep-dive-ipsec-overhead-and-fragmentation\/\" target=\"_blank\" rel=\"noopener\">73\ubc14\uc774\ud2b8<\/a>. \uc774 \uc624\ubc84\ud5e4\ub4dc\uc5d0\ub294 \ud130\ub110 IP \ud5e4\ub354, ESP \ud5e4\ub354, \ucd08\uae30\ud654 \ubca1\ud130, \ud328\ub529, \ud2b8\ub808\uc77c\ub7ec \ud544\ub4dc \ubc0f \ubb34\uacb0\uc131 \uac80\uc0ac \uac12\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 31\ubc14\uc774\ud2b8 \uc77c\ubc18 \ud14d\uc2a4\ud2b8 IPv4 \ud328\ud0b7\uc740 ESP \ucea1\uc290\ud654 \ud6c4 73\ubc14\uc774\ud2b8\uc758 \uc624\ubc84\ud5e4\ub4dc\ub97c \ud3ec\ud568\ud558\uc5ec 104\ubc14\uc774\ud2b8\uac00 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc624\ubc84\ud5e4\ub4dc\ub294 \ub124\ud2b8\uc6cc\ud06c \uae30\ub2a5\uacfc \ubcf4\uc548\uc744 \uc704\ud574 \ud544\uc694\ud55c \ube44\uc6a9\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\ucea1\uc290\ud654 \uc911 \ub370\uc774\ud130 \ubb34\uacb0\uc131 \uc720\uc9c0<\/h4>\n<p><\/p>\n<p>\ud06c\uae30 \uc99d\uac00\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \ucea1\uc290\ud654 \ud504\ub85c\uc138\uc2a4\uc5d0\ub294 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\ub294 \uba54\ucee4\ub2c8\uc998\ub3c4 \ud3ec\ud568\ub429\ub2c8\ub2e4. <a href=\"https:\/\/wraycastle.com\/blogs\/knowledge-base\/network-protocol-data-unit-1\" target=\"_blank\" rel=\"noopener\">PDU\uc5d0\ub294 \uc624\ub958 \uac10\uc9c0 \ubc0f \uc218\uc815\uc744 \uc704\ud55c \ud2b9\uc815 \ud544\ub4dc\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/a>. \ud2b9\ud788 \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc758 \uc608\uace0\ud3b8\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc624\ub958 \ud655\uc778 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/jumpcloud.com\/it-index\/understanding-encapsulation-in-networking\" target=\"_blank\" rel=\"noopener\">CRC(\uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac) \ub610\ub294 FCS(\ud504\ub808\uc784 \uac80\uc0ac \uc2dc\ud000\uc2a4) \ub370\uc774\ud130<\/a>. \uc774\ub7ec\ud55c \uae30\uc220\uc5d0\ub294 \ub370\uc774\ud130 \ucf58\ud150\uce20\ub97c \uae30\ubc18\uc73c\ub85c \uac12\uc744 \uc0dd\uc131\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ubc1c\uc2e0\uc790\ub294 \uc774 \uac12\uc744 \ub370\uc774\ud130\uc5d0 \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc218\uc2e0 \uc7a5\uce58\ub294 \uc774 \uac12\uc744 \ub2e4\uc2dc \uacc4\uc0b0\ud558\uace0 \ube44\uad50\ud569\ub2c8\ub2e4. \ubd88\uc77c\uce58\ub294 \uc624\ub958\ub97c \ub098\ud0c0\ub0b4\uba70 \uc7a0\uc7ac\uc801\uc73c\ub85c \uc7ac\uc804\uc1a1\uc73c\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud5e4\ub354\uc5d0\ub294 \uc21c\uc11c \uc9c0\uc815 \ubc0f \ud50c\ub798\uadf8\uc640 \uac19\uc740 \uc81c\uc5b4 \uc815\ubcf4\ub3c4 \ud3ec\ud568\ub429\ub2c8\ub2e4. <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/pdu-networking-basics-importance-in-network-communication\/\" target=\"_blank\" rel=\"noopener\">\uc774\ub7ec\ud55c \uae30\ub2a5\uc740 \uc624\ub958\ub97c \uac10\uc9c0\ud558\uace0 \uc218\uc815\ud558\uc5ec \ud398\uc774\ub85c\ub4dc\uac00 \uadf8\ub300\ub85c \ub3c4\ucc29\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/a> \ubaa9\uc801\uc9c0\uc5d0.<\/p>\n<p><\/p>\n<h2>\ucea1\uc290\ud654 \ud574\uc81c \ud504\ub85c\uc138\uc2a4: \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uac00 \uc2a4\ud0dd\uc744 \uc62c\ub77c\uac00\ub294 \ubc29\ubc95<\/h2>\n<p><\/p>\n<p>\uc774\ud6c4 <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/understanding-protocol-data-unit-pdu-network-guide\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db<\/a> (PDU)\ub294 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud55c \uc5ec\uc815\uc744 \uc644\ub8cc\ud558\uace0 \ub300\uc0c1 \uc7a5\uce58\uc5d0 \ub3c4\ucc29\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc11c \ucea1\uc290\ud654 \ud574\uc81c \ud504\ub85c\uc138\uc2a4\uac00 \uc2dc\uc791\ub429\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \ucea1\uc290\ud654\ub97c \uc5ed\uc804\uc2dc\ucf1c \uc218\uc2e0 \uc7a5\uce58\uac00 \uc6d0\ubcf8 \ub370\uc774\ud130\ub97c \ucd94\ucd9c\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc218\uc2e0 \uce21\uc758 \uac01 \uacc4\uce35\uc740 PDU\ub97c \ucc98\ub9ac\ud558\uc5ec \ud2b9\uc815 \uc81c\uc5b4 \uc815\ubcf4\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db\uc5d0\uc11c \ud5e4\ub354 \ubc0f \ud2b8\ub808\uc77c\ub7ec \uc81c\uac70<\/h3>\n<p><\/p>\n<p>\ucea1\uc290\ud654 \ud574\uc81c\ub294 \ub370\uc774\ud130\ub97c \uccb4\uacc4\uc801\uc73c\ub85c \ud480\uc5b4\ub0c5\ub2c8\ub2e4. \uac01 \uacc4\uce35\uc740 \uc804\uc1a1 \uc7a5\uce58\uc758 \ud53c\uc5b4 \uacc4\uce35\uc5d0\uc11c \ucd94\uac00\ud55c \ud5e4\ub354\uc640 \ud2b8\ub808\uc77c\ub7ec\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\ub370\uc774\ud130\uac00 \uc0c1\uc2b9\ud560 \ub54c \ub370\uc774\ud130 \ud480\uae30<\/h4>\n<p><\/p>\n<p>PDU\uac00 OSI \uc2a4\ud0dd \uc704\ub85c \uc62c\ub77c\uac00\uba74\uc11c \uac01 \uacc4\uce35\uc740 \ud574\ub2f9 \uae30\ub2a5\uacfc \uad00\ub828\ub41c \uc81c\uc5b4 \uc815\ubcf4\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4. \uc774 \uc5b8\ub798\ud551\uc744 \ud1b5\ud574 \uc544\ub798 \ub808\uc774\uc5b4\uc758 PDU\uac00 \ub4dc\ub7ec\ub0a9\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ud504\ub808\uc784\uc774 \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc5d0 \ub3c4\ucc29\ud558\uba74 \ud504\ub808\uc784 \uac80\uc0ac \uc2dc\ud000\uc2a4\ub97c \ud3ec\ud568\ud558\uc5ec \uacc4\uce35 2 \ud5e4\ub354\uc640 \ud2b8\ub808\uc77c\ub7ec\uac00 \uc81c\uac70\ub429\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc740 \uacb0\uacfc \ud328\ud0b7\uc744 \ucc98\ub9ac\ud558\uc5ec IP \ud5e4\ub354\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc804\uc1a1 \uacc4\uce35\uc740 TCP \ud5e4\ub354\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4. \uc0c1\uc704 \uacc4\uce35(\uc138\uc158, \ud504\ub9ac\uc820\ud14c\uc774\uc158 \ubc0f \uc560\ud50c\ub9ac\ucf00\uc774\uc158)\uc740 \ucd94\uac00 \ud5e4\ub354\ub098 \ud2b8\ub808\uc77c\ub7ec\ub97c \uc81c\uac70\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uadf8\ub4e4\uc740 \ub2e8\uc9c0 \uc218\uc2e0\ud55c \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud560 \ubfd0\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uccb4\uacc4\uc801\uc778 \uc81c\uac70\ub97c \ud1b5\ud574 \uc6d0\ubcf8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub370\uc774\ud130\uac00 \uadf8\ub300\ub85c \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<table><\/p>\n<thead><\/p>\n<tr><\/p>\n<th align=\"left\"><a href=\"https:\/\/nbyosun.com\/what-is-a-pdu-in-networking-osi-model-examples\/\" target=\"_blank\" rel=\"noopener\">OSI \uacc4\uce35<\/a><\/th>\n<p><\/p>\n<th align=\"left\">\ud5e4\ub354\/\uc608\uace0\ud3b8\uc774 \uc81c\uac70\ub428<\/th>\n<p><\/tr>\n<p><\/thead>\n<p><\/p>\n<tbody><\/p>\n<tr><\/p>\n<td align=\"left\">\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35<\/td>\n<p><\/p>\n<td align=\"left\">\ub808\uc774\uc5b4 2 \ud5e4\ub354 \ubc0f \ud2b8\ub808\uc77c\ub7ec(\ud504\ub808\uc784 \ud655\uc778 \uc2dc\ud000\uc2a4 \ud3ec\ud568)<\/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\">IP \ud5e4\ub354<\/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\">TCP \ud5e4\ub354<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td align=\"left\">\uc0c1\uc704 \uacc4\uce35(\uc138\uc158, \ud504\ub808\uc820\ud14c\uc774\uc158, \uc560\ud50c\ub9ac\ucf00\uc774\uc158)<\/td>\n<p><\/p>\n<td align=\"left\">\ub354 \uc774\uc0c1 \ud5e4\ub354\ub098 \uc608\uace0\ud3b8\uc774 \uc81c\uac70\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/td>\n<p><\/tr>\n<p><\/tbody>\n<p><\/table>\n<p><\/p>\n<h4>\uac01 \ub808\uc774\uc5b4\uc758 \uac80\uc99d \ubc0f \uc624\ub958 \uac80\uc0ac<\/h4>\n<p><\/p>\n<p>\uac01 \uacc4\uce35\uc740 \ucea1\uc290\ud654 \ud574\uc81c \uc911\uc5d0 \uc911\uc694\ud55c \ud655\uc778 \ubc0f \uc624\ub958 \uac80\uc0ac\ub97c \uc218\ud589\ud569\ub2c8\ub2e4. \uc774\ub294 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uacfc \uc801\uc808\ud55c \ucc98\ub9ac\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ubb3c\ub9ac\uc801 \uacc4\uce35\uc5d0\uc11c \uc7a5\uce58\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ubb38\uc81c\ub97c \uac10\uc9c0\ud569\ub2c8\ub2e4. <a href=\"https:\/\/www.yosunpdu.com\/news\/how-pdus-help-strengthen-network-troubleshooting\/\" target=\"_blank\" rel=\"noopener\">8B\/10B \ub514\ucf54\ub4dc \uc624\ub958 \ub610\ub294 \uc2e0\ud638 \uc190\uc2e4(LOS)<\/a>. \uc774\ub7ec\ud55c \uacbd\ubcf4\ub294 \uc6d0\uc2dc \ube44\ud2b8 \uc2a4\ud2b8\ub9bc\uc5d0 \ubb38\uc81c\uac00 \uc788\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc740 \ud504\ub808\uc784 \ud2b8\ub808\uc77c\ub7ec\uc758 CRC(\uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac)\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc190\uc0c1\ub41c \ud504\ub808\uc784\uc744 \uc2dd\ubcc4\ud569\ub2c8\ub2e4. \uc774 \uac80\uc0ac\uc5d0 \uc2e4\ud328\ud55c \ud504\ub808\uc784\uc740 \ubaa8\ub450 \uc0ad\uc81c\ub429\ub2c8\ub2e4. \ub610\ud55c \uc62c\ubc14\ub978 \ub85c\uceec \uc804\ub2ec\uc744 \uc704\ud574 MAC \uc8fc\uc18c\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc740 TTL(Time-to-Live) \ud544\ub4dc\ub97c \uac10\uc18c\uc2dc\ud0b5\ub2c8\ub2e4. TTL\uc774 0\uc5d0 \ub3c4\ub2ec\ud558\uba74 \ud328\ud0b7\uc774 \uc0ad\uc81c\ub418\uc5b4 \ubb34\ud55c \ub8e8\ud504\uac00 \ubc29\uc9c0\ub429\ub2c8\ub2e4. \ub610\ud55c \ud5e4\ub354 \uccb4\ud06c\uc12c\uc744 \ud655\uc778\ud558\uc5ec IPv4 \ud5e4\ub354\uc758 \uc190\uc0c1\uc744 \uac10\uc9c0\ud569\ub2c8\ub2e4. \uc720\ud6a8\ud558\uc9c0 \uc54a\uc740 \ud328\ud0b7\uc740 \ud3d0\uae30\ub429\ub2c8\ub2e4. \uc870\uac01\ud654\ub294 IPv4 \ud5e4\ub354\uc758 \ud2b9\uc815 \ud544\ub4dc\ub97c \uac80\uc0ac\ud558\uc5ec \uac10\uc9c0\ub429\ub2c8\ub2e4. \uc804\uc1a1 \uacc4\uce35\uc5d0\uc11c \uc2dc\uc2a4\ud15c\uc740 TCP \ud328\ud0b7\uc744 \uac80\uc0ac\ud569\ub2c8\ub2e4. <a href=\"https:\/\/jumpcloud.com\/it-index\/what-is-decapsulation-in-networking\" target=\"_blank\" rel=\"noopener\">\uc2dc\ud000\uc2a4 \ubc88\ud638, \uc2b9\uc778 \ubc88\ud638 \ubc0f \ucc3d \ud06c\uae30<\/a>. UDP \ucc98\ub9ac\uc5d0\ub294 \uae30\ubcf8 \ud5e4\ub354 \uc720\ud6a8\uc131 \uac80\uc0ac\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uac01 \uacc4\uce35\uc740 \uccb4\ud06c\uc12c \ub610\ub294 \uae30\ud0c0 \ud655\uc778 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud5e4\ub354\uc640 \ud398\uc774\ub85c\ub4dc\uc758 \uc720\ud6a8\uc131\uc744 \uac80\uc0ac\ud569\ub2c8\ub2e4. \uc720\ud6a8\uc131 \uac80\uc0ac\uc5d0 \uc2e4\ud328\ud55c \ud328\ud0b7\uc744 \uc0ad\uc81c\ud558\uace0 \uc624\ub958 \uc54c\ub9bc\uc744 \ubcf4\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc6d0\ub798 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704 \uc7ac\uad6c\uc131<\/h3>\n<p><\/p>\n<p>\ubaa8\ub4e0 \ub808\uc774\uc5b4\ubcc4 \uc815\ubcf4\ub97c \uc131\uacf5\uc801\uc73c\ub85c \ud655\uc778\ud558\uace0 \uc81c\uac70\ud55c \ud6c4 \uc2dc\uc2a4\ud15c\uc740 \uc6d0\ubcf8 \ub370\uc774\ud130\ub97c \uc7ac\uad6c\uc131\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc62c\ubc14\ub978 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub370\uc774\ud130 \uc804\ub2ec<\/h4>\n<p><\/p>\n<p>\uadf8\ub9cc\ud07c <a href=\"https:\/\/wraycastle.com\/blogs\/knowledge-base\/protocol-data-unit\" target=\"_blank\" rel=\"noopener\">\ucea1\uc290\ud654 \ud574\uc81c \ud504\ub85c\uc138\uc2a4\ub294 \uad81\uadf9\uc801\uc73c\ub85c \uc6d0\ubcf8 \ub370\uc774\ud130\ub97c \uc758\ub3c4\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/a>. \uc804\uc1a1 \uacc4\uce35 PDU \ub610\ub294 \uc138\uadf8\uba3c\ud2b8\uc5d0\ub294 \uc18c\uc2a4 \ubc0f \ub300\uc0c1 \ud3ec\ud2b8 \ubc88\ud638\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc774 \uc22b\uc790\ub294 \ud2b9\uc815 \uc804\uc1a1 \ubc0f \uc218\uc2e0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc2dd\ubcc4\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4. PDU\uc758 \ud544\uc218 \uad6c\uc131 \uc694\uc18c\uc778 \ud5e4\ub354\ub294 \uc18c\uc2a4 \ubc0f \ub300\uc0c1 \uc8fc\uc18c, \uc624\ub958 \uac80\uc0ac \ucf54\ub4dc, \uc2dc\ud000\uc2a4 \uc138\ubd80 \uc815\ubcf4\uc640 \uac19\uc740 \uc81c\uc5b4 \uc815\ubcf4\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc62c\ubc14\ub978 \ub370\uc774\ud130 \uc21c\uc11c\uac00 \ubcf4\uc7a5\ub429\ub2c8\ub2e4. \ub300\uc0c1 \uc7a5\uce58\uc758 \ucea1\uc290\ud654 \ud574\uc81c \ud504\ub85c\uc138\uc2a4\uc5d0\ub294 \uac01 \uacc4\uce35\uc5d0\uc11c \ucd94\uac00\ub41c \ud5e4\ub354\uc640 \ud2b8\ub808\uc77c\ub7ec\ub97c \uc81c\uac70\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc6d0\ubcf8 \ub370\uc774\ud130\uac00 \uc62c\ubc14\ub978 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc804\ub2ec\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h4>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uc758 \ucd5c\uc885 \ud615\ud0dc<\/h4>\n<p><\/p>\n<p>Transport Layer\uac00 \ub370\uc774\ud130\ub97c Session Layer\ub85c \uc804\ub2ec\ud558\uace0 Presentation Layer\ub97c \uac70\uce58\uba74 PDU\ub294 \ucd5c\uc885\uc801\uc73c\ub85c \uc6d0\ub798\uc758 \ud615\ud0dc\ub85c \ub3cc\uc544\uc635\ub2c8\ub2e4. \uc774\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35 PDU\uac00 \ub429\ub2c8\ub2e4. \uc774\ub294 \uc0ac\uc6a9\uc790 \ub610\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \ucc98\uc74c\uc5d0 \ubcf4\ub0b8 \ub370\uc774\ud130\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc774\uc81c \uc644\uc804\ud788 \uc7ac\uad6c\uc131\ub41c \uc774\uba54\uc77c \uba54\uc2dc\uc9c0\ub098 \uc6f9 \ud398\uc774\uc9c0 \ucf58\ud150\uce20\uac00 \uc774\uba54\uc77c \ud074\ub77c\uc774\uc5b8\ud2b8\ub098 \uc6f9 \ube0c\ub77c\uc6b0\uc800\ub85c \uc804\ub2ec\ub429\ub2c8\ub2e4. PDU\uc758 \uc5ec\uc815\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub370\uc774\ud130\uc758 \uc131\uacf5\uc801\uc778 \uc804\ub2ec\ub85c \ub9c8\ubb34\ub9ac\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<hr \/>\n<p><\/p>\n<p>\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ub370\uc774\ud130\uc5d0\uc11c \uc720\uc120 \ube44\ud2b8\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uc758 \uc5ec\uc815\uc740 OSI \ubaa8\ub378\uc758 \uac15\ub825\ud568\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ubcf5\uc7a1\ud55c \ub124\ud2b8\uc6cc\ud06c \uc804\ubc18\uc5d0\uc11c \uc131\uacf5\uc801\uc774\uace0 \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \ud1b5\uc2e0\uc744 \uc704\ud574\uc11c\ub294 \uac01 \uacc4\uce35\uc758 \ubcc0\ud658\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774 \uccb4\uacc4\uc801\uc778 \ud504\ub85c\uc138\uc2a4\ub294 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uacfc \uc801\uc808\ud55c \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p><a href=\"https:\/\/www.newsunnpdu.com\/news\/top10-things-to-know-about-pdu-meaning-in-2025\/\" target=\"_blank\" rel=\"noopener\">PDU\ub97c \uc774\ud574\ud558\ub294 \uac83\uc740 \ub124\ud2b8\uc6cc\ud06c \uc804\ubb38\uac00\uc640 \ub9e4\ub2c8\uc544\uc5d0\uac8c \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/a>. \uadf8\uac83\uc740 \uadf8\ub4e4\uc5d0\uac8c \ub3c4\uc6c0\uc774 \ub41c\ub2e4 <a href=\"https:\/\/nbyosun.com\/understanding-network-pdu-in-networking\/\" target=\"_blank\" rel=\"noopener\">\uc2dc\ud000\uc2a4 \ubc88\ud638\ub97c \ubd84\uc11d\ud558\uc5ec \ub370\uc774\ud130 \uc13c\ud130\uc758 \ud328\ud0b7 \uc190\uc2e4\uacfc \uac19\uc740 \ubb38\uc81c\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4.<\/a>. \uc774 \uc9c0\uc2dd\uc740 \ud2b8\ub798\ud53d\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\uace0 \uc774\uc0c1 \ud604\uc0c1\uc744 \uac10\uc9c0\ud558\ub294 \ub370\ub3c4 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c PDU \ubcc0\ud658\uc744 \ud1b5\ud574 \uad6c\ud604\ub41c OSI \ubaa8\ub378\uc758 \ubaa8\ub4c8\uc131\uacfc \ud6a8\uc728\uc131 \ub355\ubd84\uc5d0 \uac15\ub825\ud558\uace0 \uc801\uc751 \uac00\ub2a5\ud55c \ub124\ud2b8\uc6cc\ud06c \uc6b4\uc601\uc774 \uac00\ub2a5\ud574\uc84c\uc2b5\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\/pdu-guide-what-is-power-distribution-unit-how-it-works\/\" target=\"_blank\" rel=\"noopener\">PDU\ub294 \ub370\uc774\ud130 \ub2e8\uc704\uc785\ub2c8\ub2e4.<\/a> OSI \ubaa8\ub378\uc758 \ud53c\uc5b4 \uacc4\uce35 \uac04\uc5d0 \uc804\uc1a1\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ub370\uc774\ud130 \ubc0f \uc81c\uc5b4 \uc815\ubcf4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uac01 \uacc4\uce35\uc740 PDU\ub97c \ubcc0\ud658\ud558\uc5ec \ud1b5\uc2e0\uc744 \uc704\ud55c \ud2b9\uc815 \uc138\ubd80 \uc815\ubcf4\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU\uac00 \ub2e4\ub978 OSI \uacc4\uce35\uc5d0\uc11c \uc774\ub984\uc744 \ubcc0\uacbd\ud558\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>PDU\ub294 \uac01 \uacc4\uce35\uc5d0 \ucd94\uac00\ub418\uac70\ub098 \uc81c\uac70\ub41c \uc81c\uc5b4 \uc815\ubcf4\ub97c \ubc18\uc601\ud558\uae30 \uc704\ud574 \uc774\ub984\uc744 \ubcc0\uacbd\ud569\ub2c8\ub2e4. \uc774\ub294 \ud574\ub2f9 \ub808\uc774\uc5b4 \ub0b4\uc5d0\uc11c \ud2b9\uc815 \ud615\ud0dc\uc640 \uae30\ub2a5\uc744 \uc2dd\ubcc4\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc804\uc1a1 \uacc4\uce35\uc758 \uc138\uadf8\uba3c\ud2b8\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU\uc640 \uad00\ub828\ud558\uc5ec \ucea1\uc290\ud654\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>\ucea1\uc290\ud654\ub294 \uac01 OSI \uacc4\uce35\uc774 \uc0c1\uc704 \uacc4\uce35\uc5d0\uc11c \uc218\uc2e0\ud55c PDU\uc5d0 \uc790\uccb4 \ud5e4\ub354(\ub54c\ub85c\ub294 \ud2b8\ub808\uc77c\ub7ec)\ub97c \ucd94\uac00\ud558\ub294 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \uc774\ub294 \ub370\uc774\ud130\uac00 \uc2a4\ud0dd \uc544\ub798\ub85c \ub0b4\ub824\uac08 \ub54c \ub808\uc774\uc5b4\ubcc4 \uc81c\uc5b4 \uc815\ubcf4\ub85c \ub370\uc774\ud130\ub97c \"\ub798\ud551\"\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ucea1\uc290\ud654 \ud574\uc81c\ub294 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub098\uc694?<\/h3>\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 OSI \uc2a4\ud0dd \uc704\ub85c \uc62c\ub77c\uac00\uba74 \uac01 \uacc4\uce35\uc740 \ud2b9\uc815 \ud5e4\ub354\uc640 \ud2b8\ub808\uc77c\ub7ec\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4. \uadf8\ub7ec\uba74 \uc804\ub2ec\uc744 \uc704\ud574 \uc6d0\ubcf8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub370\uc774\ud130\uac00 \uc5b8\ub798\ud551\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>TCP \uc138\uadf8\uba3c\ud2b8\uc640 UDP \ub370\uc774\ud130\uadf8\ub7a8\uc758 \uc8fc\uc694 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>TCP \uc138\uadf8\uba3c\ud2b8\ub294 \uc624\ub958 \ud655\uc778 \ubc0f \uc2b9\uc778\uc744 \ud1b5\ud574 \uc548\uc815\uc801\uc774\uace0 \uc21c\ucc28\uc801\uc778 \uc804\ub2ec\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. UDP \ub370\uc774\ud130\uadf8\ub7a8\uc740 \uc548\uc815\uc131\ubcf4\ub2e4 \uc18d\ub3c4\ub97c \uc6b0\uc120\uc2dc\ud558\uc5ec \ubcf4\uc7a5 \uc5c6\uc774 \uc5f0\uacb0 \uc5c6\uc774 \ub354 \ube60\ub978 \uc804\uc1a1\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU \ub77c\uc6b0\ud305\uc5d0\uc11c IP \uc8fc\uc18c\uc640 MAC \uc8fc\uc18c\ub294 \uc5b4\ub5bb\uac8c \ub2e4\ub985\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>IP \uc8fc\uc18c\ub294 \ub124\ud2b8\uc6cc\ud06c \uc804\ubc18\uc758 \uae00\ub85c\ubc8c \ub77c\uc6b0\ud305\uc744 \uc704\ud55c \ub17c\ub9ac\uc801 \uc8fc\uc18c \uc9c0\uc815\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. MAC \uc8fc\uc18c\ub294 \ub3d9\uc77c\ud55c \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8\uc5d0 \uc788\ub294 \uc7a5\uce58 \uac04\uc758 \ub85c\uceec \uc804\ub2ec\uc744 \uc704\ud55c \ubb3c\ub9ac\uc801 \uc8fc\uc18c \uc9c0\uc815\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub77c\uc6b0\ud130\ub294 \ub458 \ub2e4 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU\uc5d0 \uc624\ub958 \uac80\uc0ac\uac00 \uc911\uc694\ud55c \uc774\uc720\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>\uc624\ub958 \uac80\uc0ac\ub294 \uc804\uc1a1 \uc911 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uccb4\ud06c\uc12c \ubc0f CRC\uc640 \uac19\uc740 \uba54\ucee4\ub2c8\uc998\uc740 \uc190\uc0c1\ub41c \ub370\uc774\ud130\ub97c \uac10\uc9c0\ud569\ub2c8\ub2e4. \uc774\ub294 \uacb0\ud568\uc774 \uc788\ub294 PDU\ub97c \uc7ac\uc804\uc1a1\ud558\uac70\ub098 \ud3d0\uae30\ud558\ub3c4\ub85d \uc720\ub3c4\ud558\uc5ec \uc804\ub2ec\ub41c \uc815\ubcf4\uc758 \uc815\ud655\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ubb3c\ub9ac \uacc4\uce35\uc758 PDU\ub294 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?<\/h3>\n<p><\/p>\n<p>\ubb3c\ub9ac \uacc4\uce35\uc5d0\uc11c PDU\ub294 \uc6d0\uc2dc \ube44\ud2b8\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4. \uc774 \ube44\ud2b8\ub294 \uc804\uae30 \uc2e0\ud638, \uad11 \ud384\uc2a4 \ub610\ub294 \uc804\ud30c\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ubb3c\ub9ac\uc801 \ub9e4\uccb4\ub294 \uc774\ub7ec\ud55c \uc2e0\ud638\ub97c \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>PDU(\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704)\uac00 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub370\uc774\ud130\uc5d0\uc11c \ubb3c\ub9ac\uc801 \ube44\ud2b8\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \uac01 OSI \uacc4\uce35\uc5d0\uc11c \uc5b4\ub5bb\uac8c \ubcc0\ud658\ud558\uace0 \uc791\ub3d9\ud558\ub294\uc9c0 \uc774\ud574\ud558\uc5ec \uc548\uc815\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":4600,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-4601","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/posts\/4601","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=4601"}],"version-history":[{"count":0,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/posts\/4601\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/media\/4600"}],"wp:attachment":[{"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/media?parent=4601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/categories?post=4601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/tags?post=4601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}