{"id":4609,"date":"2026-01-29T11:19:37","date_gmt":"2026-01-29T03:19:37","guid":{"rendered":"https:\/\/niusheng.gg13.globaldeepsea.site\/comprehensive-guide-protocol-data-units-types\/"},"modified":"2026-01-29T11:19:37","modified_gmt":"2026-01-29T03:19:37","slug":"comprehensive-guide-protocol-data-units-types","status":"publish","type":"post","link":"https:\/\/www.newsunn.com\/ko\/comprehensive-guide-protocol-data-units-types\/","title":{"rendered":"\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704 \ubc0f \ud574\ub2f9 \uc720\ud615\uc5d0 \ub300\ud55c \uc885\ud569 \uac00\uc774\ub4dc"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/7dd1f2b0eda34e49995ce8453c7adf82.webp\" alt=\"\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704 \ubc0f \ud574\ub2f9 \uc720\ud615\uc5d0 \ub300\ud55c \uc885\ud569 \uac00\uc774\ub4dc\"><\/p>\n<p><\/p>\n<p>PDU \ub610\ub294 <a href=\"https:\/\/www.techtarget.com\/searchnetworking\/definition\/protocol-data-unit-PDU\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db<\/a>\ub294 \ud2b9\uc815 \ub124\ud2b8\uc6cc\ud0b9 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud558\ub294 \uc5d4\ud130\ud2f0 \uac04\uc758 \ub370\uc774\ud130 \uad50\ud658\uc758 \uae30\ubcf8 \ub2e8\uc704\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774 \uc815\uc758\ub294 PDU\uac00 \uc218\ud589\ud558\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \uac15\uc870\ud569\ub2c8\ub2e4. <a href=\"https:\/\/www.newsunnpdu.com\/basic-pdu\/\" target=\"_blank\" rel=\"noopener\">\uae30\ubcf8 PDU<\/a>, \ub2e4\uce35 \ud504\ub85c\ud1a0\ucf5c \uc2a4\ud0dd\uc5d0\uc11c \uc7ac\uc0dd\ud558\uace0 \ud504\ub85c\ud1a0\ucf5c \uc0c1\ud638 \uc791\uc6a9\uc744 \uad00\ub9ac\ud569\ub2c8\ub2e4. PDU\ub294 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud0b9 \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c \ud6a8\uc728\uc801\uc778 \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p>PDU\uc758 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\uc5d0\ub294 \ud504\ub85c\ud1a0\ucf5c \ud5e4\ub354, \ud398\uc774\ub85c\ub4dc \ubc0f \ud2b8\ub808\uc77c\ub7ec\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uac01 \uad6c\uc131 \uc694\uc18c\ub294 \ub370\uc774\ud130 \uc804\uc1a1 \ubc0f \uc218\uc2e0\uc5d0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uba70 \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc758 \uc804\ubc18\uc801\uc778 \ud6a8\uc728\uc131\uc5d0 \uae30\uc5ec\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>A <a href=\"https:\/\/www.newsunnpdu.com\/news\/top-10-key-pdu-terms-for-it-and-networking\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704 (PDU)<\/a> \ub124\ud2b8\uc6cc\ud0b9\uc5d0\uc11c \uad50\ud658\ub418\ub294 \ub370\uc774\ud130\uc758 \uae30\ubcf8 \ub2e8\uc704\ub85c, \uc7a5\uce58 \uac04\uc758 \ud6a8\uacfc\uc801\uc778 \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>PDU\ub294 \ud504\ub85c\ud1a0\ucf5c \ud5e4\ub354, \ud398\uc774\ub85c\ub4dc, \ud2b8\ub808\uc77c\ub7ec\uc758 \uc138 \uac00\uc9c0 \uc8fc\uc694 \ubd80\ubd84\uc73c\ub85c \uad6c\uc131\ub418\uba70, \uac01 \ubd80\ubd84\uc740 \ub370\uc774\ud130 \uc804\uc1a1\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ud504\ub85c\ud1a0\ucf5c \ud5e4\ub354\uc5d0\ub294 \ub370\uc774\ud130 \ucc98\ub9ac\uc5d0 \ud544\uc694\ud55c \uc911\uc694\ud55c \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uace0, \ud398\uc774\ub85c\ub4dc\uc5d0\ub294 \uc804\ub2ec\ub418\ub294 \uc2e4\uc81c \uc0ac\uc6a9\uc790 \ub370\uc774\ud130\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\uc120\ud0dd \uc0ac\ud56d\uc778 \uacbd\uc6b0\uac00 \ub9ce\uc740 \ud2b8\ub808\uc77c\ub7ec\ub294 \uc804\uc1a1\ub41c \ub370\uc774\ud130\uc758 \uc624\ub958\ub97c \uac10\uc9c0\ud558\uc5ec \ud1b5\uc2e0 \uc911 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ucea1\uc290\ud654\ub294 OSI \ubaa8\ub378\uc758 \uac01 \uacc4\uce35\uc5d0 \uc788\ub294 \ub370\uc774\ud130\uc5d0 \ud5e4\ub354\ub97c \ucd94\uac00\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud55c \uc804\uc1a1\uc744 \uc704\ud574 \uad6c\uc131\ud558\ub294 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ucea1\uc290\ud654 \ud574\uc81c\ub294 \ub370\uc774\ud130\uac00 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc744 \ud1b5\ud574 \uc704\ub85c \uc774\ub3d9\ud558\uba74\uc11c \ud5e4\ub354\uac00 \uc81c\uac70\ub418\uc5b4 \uc0ac\uc6a9\ud560 \uc218 \uc788\uac8c \ub418\ub294 \ubc18\ub300 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ub2e4\ub978 <a href=\"https:\/\/www.newsunnpdu.com\/news\/top-10-ways-a-power-distribution-unit-pdu-works-in-modern-data-centers\/\" target=\"_blank\" rel=\"noopener\">PDU \uc720\ud615<\/a> Application \uacc4\uce35\uc758 \uba54\uc2dc\uc9c0, Data Link \uacc4\uce35\uc758 \ud504\ub808\uc784 \ub4f1 \ub2e4\uc591\ud55c \uacc4\uce35\uc5d0 \uc874\uc7ac\ud558\uba70 \uac01\uac01 \uace0\uc720\ud55c \uad6c\uc870\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>PDU\ub97c \uc774\ud574\ud558\uba74 \ub370\uc774\ud130 \ud750\ub984\uc744 \ucd5c\uc801\ud654\ud558\uace0 \ub2e4\uc591\ud55c \ud504\ub85c\ud1a0\ucf5c\uc5d0\uc11c \uc548\uc815\uc801\uc778 \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<h2>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db\uc758 \uad6c\uc131\uc694\uc18c<\/h2>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/e14815af650a45d69c137c6c780b6f6d.webp\" alt=\"\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db\uc758 \uad6c\uc131\uc694\uc18c\"><\/p>\n<p><\/p>\n<h3>\ud504\ub85c\ud1a0\ucf5c \ud5e4\ub354<\/h3>\n<p><\/p>\n<p>\uadf8\ub9cc\ud07c <a href=\"https:\/\/www.newsunnpdu.com\/news\/exploring-the-concept-of-protocol-data-units-in-networking\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ud5e4\ub354<\/a> PDU(Protocol Data Unit)\uc758 \ucd08\uae30 \uad6c\uc131 \uc694\uc18c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ub370\uc774\ud130 \ucc98\ub9ac\ub97c \uc548\ub0b4\ud558\ub294 \ud544\uc218 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ud5e4\ub354\uc5d0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9 \uc911\uc778 \ud2b9\uc815 \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\ub294 \uc5ec\ub7ec \ud45c\uc900 \ud544\ub4dc\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc544\ub798\ub294 <a href=\"https:\/\/medium.com\/@tom_84912\/protocol-types-and-what-was-uec-thinking-66b525765577\" target=\"_blank\" rel=\"noopener\">\uacf5\ud1b5 \ud544\ub4dc\ub97c \uac04\ub7b5\ud558\uac8c \uc124\uba85\ud558\ub294 \ud45c<\/a> \ud504\ub85c\ud1a0\ucf5c \ud5e4\ub354\uc5d0\uc11c \ubc1c\uacac\ub428:<\/p>\n<p><\/p>\n<table><\/p>\n<thead><\/p>\n<tr><\/p>\n<th>\ud544\ub4dc \uc774\ub984<\/th>\n<p><\/p>\n<th>\uc124\uba85<\/th>\n<p><\/tr>\n<p><\/thead>\n<p><\/p>\n<tbody><\/p>\n<tr><\/p>\n<td>\uc2f1\ud06c<\/td>\n<p><\/p>\n<td>PDU \uc124\uc815 \uc694\uccad\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>next_hdr<\/td>\n<p><\/p>\n<td>\uc694\uccad\uacfc \uc751\ub2f5\uc744 \uad6c\ubcc4\ud558\uc5ec \ud6c4\uc18d \ub370\uc774\ud130\uc758 \ud615\uc2dd\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\ubc84\uc804<\/td>\n<p><\/p>\n<td>\ud504\ub85c\ud1a0\ucf5c\uc758 \ubc84\uc804 \ubc88\ud638\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\uc5f0\uc0b0\ucf54\ub4dc<\/td>\n<p><\/p>\n<td>next_hdr \ud544\ub4dc\uc758 \uac12\uc744 \uae30\ubc18\uc73c\ub85c \ub098\uba38\uc9c0 \ud5e4\ub354\uc758 \ud615\uc2dd\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\uc5c4<\/td>\n<p><\/p>\n<td>\uc0c1\ud0dc\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\ub294 \uba54\uc2dc\uc9c0 \uc885\ub8cc \ud50c\ub798\uadf8\uc785\ub2c8\ub2e4.<\/td>\n<p><\/tr>\n<p><\/tbody>\n<p><\/table>\n<p><\/p>\n<p>\ud504\ub85c\ud1a0\ucf5c \ud5e4\ub354\ub294 \ub370\uc774\ud130 \uc804\uc1a1 \uc911 \uc624\ub958 \uac10\uc9c0 \ubc0f \uc218\uc815\uc5d0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uccb4\ud06c\uc12c \ubc0f CRC(\uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac)\uc640 \uac19\uc740 \uae30\uc220\uc740 \ud328\ud0b7\uc5d0 \ucd94\uac00 \ub370\uc774\ud130\ub97c \ucd94\uac00\ud558\uc5ec \uc7a5\uce58\uac00 \uc804\uc1a1 \ubb38\uc81c\ub97c \uc2dd\ubcc4\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, IPv4 \ud5e4\ub354\uc5d0\ub294 \ub0b4\uc6a9\uc744 \ubcf4\ud638\ud558\ub294 \uccb4\ud06c\uc12c\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc5b4 \uccb4\ud06c\uc12c\uc774 \uc798\ubabb\ub41c \ud328\ud0b7\uc774 \uc0ad\uc81c\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c TCP\ub294 \ud398\uc774\ub85c\ub4dc\uc640 \ud5e4\ub354 \ubaa8\ub450\uc5d0 \ub300\ud55c \uccb4\ud06c\uc12c\uc744 \uc81c\uacf5\ud558\uc5ec \uc798\ubabb\ub41c \ud328\ud0b7\uc774 \uc0ad\uc81c\ub418\uace0 \uc7ac\uc804\uc1a1\ub418\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc720\ud6a8 \ud0d1\uc7ac\ub7c9<\/h3>\n<p><\/p>\n<p>\ud398\uc774\ub85c\ub4dc\ub294 <a href=\"https:\/\/www.newsunnpdu.com\/news\/top-5-things-to-know-about-protocol-data-units-in-networking\/\" target=\"_blank\" rel=\"noopener\">PDU\uc758 \ud575\uc2ec \uad6c\uc131 \uc694\uc18c<\/a>, \uc804\ub2ec\ub418\ub294 \uc2e4\uc81c \uc0ac\uc6a9\uc790 \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4. \uc774 \ub370\uc774\ud130\ub294 \uc0ac\uc6a9 \uc911\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uacfc \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub530\ub77c \ud06c\uac8c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud398\uc774\ub85c\ub4dc\uc5d0\ub294 \ud14d\uc2a4\ud2b8, \uc774\ubbf8\uc9c0, \ube44\ub514\uc624 \ud328\ud0b7 \ub610\ub294 \uae30\ud0c0 \ud615\ud0dc\uc758 \ub370\uc774\ud130\uac00 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\ub294 <a href=\"https:\/\/wraycastle.com\/blogs\/knowledge-base\/network-protocol-data-unit\" target=\"_blank\" rel=\"noopener\">\ub370\uc774\ud130 \uc720\ud615\uc744 \uc694\uc57d\ud55c \ud14c\uc774\ube14<\/a> \uc77c\ubc18\uc801\uc73c\ub85c PDU\uc758 \ud398\uc774\ub85c\ub4dc\uc5d0 \ud3ec\ud568\ub429\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<table><\/p>\n<thead><\/p>\n<tr><\/p>\n<th>\uc694\uc18c<\/th>\n<p><\/p>\n<th>\uc124\uba85<\/th>\n<p><\/tr>\n<p><\/thead>\n<p><\/p>\n<tbody><\/p>\n<tr><\/p>\n<td>\ud5e4\ub354<\/td>\n<p><\/p>\n<td>\ub370\uc774\ud130 \ucc98\ub9ac\ub97c \uc704\ud55c \uc8fc\uc18c \uc9c0\uc815 \uc815\ubcf4\uc640 \ud504\ub85c\ud1a0\ucf5c\ubcc4 \uc9c0\uce68\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\uc720\ud6a8 \ud0d1\uc7ac\ub7c9<\/td>\n<p><\/p>\n<td>\ud14d\uc2a4\ud2b8 \ub610\ub294 \ube44\ub514\uc624 \ud328\ud0b7\uacfc \uac19\uc774 \uc804\ub2ec\ub418\ub294 \uc2e4\uc81c \uc0ac\uc6a9\uc790 \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\ud2b8\ub808\uc77c\ub7ec<\/td>\n<p><\/p>\n<td>\uc804\uc1a1 \uc624\ub958\ub97c \uac10\uc9c0\ud558\uae30 \uc704\ud574 \uccb4\ud06c\uc12c \ub610\ub294 CRC\ub97c \ud3ec\ud568\ud55c \uc624\ub958 \uac80\uc0ac \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/td>\n<p><\/tr>\n<p><\/tbody>\n<p><\/table>\n<p><\/p>\n<p>\ud398\uc774\ub85c\ub4dc\uc758 \ud06c\uae30\ub294 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uacfc \ucc98\ub9ac\ub7c9\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud398\uc774\ub85c\ub4dc\uac00 \ud074\uc218\ub85d \uc804\uc1a1 \uc2dc\uac04\uc774 \ub298\uc5b4\ub0a0 \uc218 \uc788\uace0, \ud398\uc774\ub85c\ub4dc\uac00 \uc791\uc744\uc218\ub85d \ud6a8\uc728\uc131\uc774 \ud5a5\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud55c \uc5f0\uad6c\uc5d0 \ub530\ub974\uba74 \ud398\uc774\ub85c\ub4dc \uae38\uc774\uac00 \uc99d\uac00\ud558\uba74 \uc9c0\uc5f0 \uc131\ub2a5\ub3c4 \uc99d\uac00\ud558\uc5ec \uc804\uccb4 \ub124\ud2b8\uc6cc\ud06c \ud6a8\uc728\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ud2b8\ub808\uc77c\ub7ec<\/h3>\n<p><\/p>\n<p>\ubc14\ub2e5\uae00\uc774\ub77c\uace0\ub3c4 \ud558\ub294 \ud2b8\ub808\uc77c\ub7ec\ub294 \ub370\uc774\ud130 \ub2e8\uc704 \ub05d\uc5d0 \ud45c\uc2dc\ub418\ub294 PDU\uc758 \uc120\ud0dd\uc801 \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \ubb34\uacb0\uc131 \uac80\uc0ac\ub97c \uc704\ud55c \ucd94\uac00 \ub370\uc774\ud130\ub97c \uc81c\uacf5\ud558\uc5ec \uc804\uc1a1\ub41c \uc815\ubcf4\uc758 \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ud2b8\ub808\uc77c\ub7ec\uc5d0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uccb4\ud06c\uc12c\uacfc \uac19\uc740 \uc624\ub958 \uac10\uc9c0 \ubc0f \uc218\uc815 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc815\ubcf4\ub294 \uc218\uc2e0 \uc7a5\uce58\uac00 \uc804\uc1a1 \uc911\uc5d0 \ub370\uc774\ud130\uac00 \uc190\uc0c1\ub418\uc9c0 \uc54a\uc558\ub294\uc9c0 \ud655\uc778\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\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 \uc874\uc7ac\ud558\ub294 \uacbd\uc6b0 \uc8fc\ub85c \uc624\ub958 \uac10\uc9c0\uc6a9\uc73c\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4. \ud2b8\ub808\uc77c\ub7ec\uc5d0\ub294 \uc804\uc1a1 \uc624\ub958\ub97c \uc2dd\ubcc4\ud558\uace0 \uc218\uc815\ud558\ub294 \uba54\ucee4\ub2c8\uc998\uc774 \ud1b5\ud569\ub418\uc5b4 \uc788\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ub370\uc774\ud130 \uc804\uc1a1 \uc911 \uc624\ub958\ub97c \uc2dd\ubcc4\ud558\uace0 \uc218\uc815\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\ub294 \uc624\ub958 \uac10\uc9c0 \ube44\ud2b8\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ud2b8\ub808\uc77c\ub7ec\ub294 \ud504\ub808\uc784 \ub05d\uc744 \ud45c\uc2dc\ud558\uc5ec \ud504\ub808\uc784 \uad6c\ubd84\uc744 \ub3d5\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uc758 \uc791\ub3d9 \ubc29\uc2dd<\/h2>\n<p><\/p>\n<p>\ubc29\ubc95 \uc774\ud574\ud558\uae30 <a href=\"https:\/\/www.newsunnpdu.com\/news\/exploring-the-concept-of-protocol-data-units-in-networking\/\" target=\"_blank\" rel=\"noopener\">\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \uc720\ub2db(PDU)<\/a> \uae30\ub2a5\uc740 \ub370\uc774\ud130 \uc804\uc1a1\uc758 \ubcf5\uc7a1\uc131\uc744 \ud30c\uc545\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ucea1\uc290\ud654 \ubc0f \ucea1\uc290\ud654 \ud574\uc81c \ud504\ub85c\uc138\uc2a4\ub294 \ub124\ud2b8\uc6cc\ud0b9 \ud504\ub85c\ud1a0\ucf5c \ub0b4\uc5d0\uc11c PDU \uc791\ub3d9\uc758 \uae30\ubcf8\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ucea1\uc290\ud654 \ud504\ub85c\uc138\uc2a4<\/h3>\n<p><\/p>\n<p><a href=\"https:\/\/www.networkacademy.io\/ccna\/network-fundamentals\/understanding-the-osi-model\" target=\"_blank\" rel=\"noopener\">\ucea1\uc290\ud654 \ud504\ub85c\uc138\uc2a4<\/a> OSI \ubaa8\ub378\uc758 \uac01 \uacc4\uce35\uc5d0\uc11c \ud504\ub85c\ud1a0\ucf5c\ubcc4 \ud5e4\ub354\ub85c \ub370\uc774\ud130\ub97c \ub798\ud551\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub97c \ud1b5\ud574 \ub370\uc774\ud130\uac00 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uc804\uc1a1\ub420 \uc218 \uc788\ub3c4\ub85d \uc62c\ubc14\ub978 \ud615\uc2dd\uc774 \uc9c0\uc815\ub429\ub2c8\ub2e4. \ucea1\uc290\ud654\uc640 \uad00\ub828\ub41c \ub2e8\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<ol><\/p>\n<li>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc5d0\uc11c\ub294 HTTP \ud5e4\ub354\uac00 \ub370\uc774\ud130\uc5d0 \ucd94\uac00\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\uc804\uc1a1 \uacc4\uce35\uc5d0\uc11c\ub294 TCP \ub610\ub294 UDP \ud5e4\ub354\uac00 \ucd94\uac00\ub418\uc5b4 \ub370\uc774\ud130\ub97c TCP \uc138\uadf8\uba3c\ud2b8\ub85c \ucea1\uc290\ud654\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\uc138\uadf8\uba3c\ud2b8\ub294 \uc18c\uc2a4 \ubc0f \ub300\uc0c1 IP \uc8fc\uc18c\ub97c \ud3ec\ud568\ud558\ub294 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc758 IP \ud5e4\ub354\ub85c \ucea1\uc290\ud654\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\uc18c\uc2a4 \ubc0f \ub300\uc0c1 MAC \uc8fc\uc18c\ub97c \ud3ec\ud568\ud558\ub294 MAC \ud5e4\ub354\uac00 \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc5d0 \ucd94\uac00\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ub9c8\uc9c0\ub9c9\uc73c\ub85c \ucea1\uc290\ud654\ub41c \ud504\ub808\uc784\uc740 \ubb3c\ub9ac \uacc4\uce35\uc73c\ub85c \uc804\uc1a1\ub418\uc5b4 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uc774\uc9c4 \ube44\ud2b8\ub85c \uc804\uc1a1\ub429\ub2c8\ub2e4.<\/li>\n<p><\/ol>\n<p><\/p>\n<p>\ucea1\uc290\ud654\uc5d0 \ub300\ud55c \uc774\ub7ec\ud55c \uad6c\uc870\uc801 \uc811\uadfc \ubc29\uc2dd\uc740 \ub370\uc774\ud130\ub97c \uad6c\uc131\ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c \uc804\uc1a1 \uc911 \ubb34\uacb0\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ucea1\uc290\ud654 \ubcf4\uc548 \ud504\ub85c\ud1a0\ucf5c(ESP)\uc740 \uc554\ud638\ud654 \ud574\uc2dc \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc0b0\ub41c \ubb34\uacb0\uc131 \uac80\uc0ac \uac12(ICV)\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c ICV\ub294 \ub370\uc774\ud130\uac00 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uc774\ub3d9\ud558\ub294 \ub3d9\uc548 \ubcc0\uacbd\ub418\uc9c0 \uc54a\uc740 \uc0c1\ud0dc\ub85c \uc720\uc9c0\ub418\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \ub370\uc774\ud130 \ubb34\uacb0\uc131\uacfc \uc6d0\ubcf8 \uc778\uc99d\uc774 \ud544\uc694\ud55c \uacbd\uc6b0 ESP <a href=\"https:\/\/www.1kosmos.com\/security-glossary\/encapsulating-security-protocol-esp\/\" target=\"_blank\" rel=\"noopener\">\uacf5\uc720 \ube44\ubc00 \ud0a4\ub97c \uc0ac\uc6a9\ud558\uc5ec ICV\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/a>, \ubcc0\uc870\uac00 \uac10\uc9c0\ub420 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ucea1\uc290\ud654 \ud574\uc81c \ud504\ub85c\uc138\uc2a4<\/h3>\n<p><\/p>\n<p>\ucea1\uc290\ud654 \ud574\uc81c\ub294 \ucea1\uc290\ud654\uc758 \ubc18\ub300 \uacfc\uc815\uc785\ub2c8\ub2e4. \uadf8\uac83\uc740 \ud3ec\ud568\ud55c\ub2e4 <a href=\"https:\/\/jumpcloud.com\/it-index\/what-is-decapsulation-in-networking\" target=\"_blank\" rel=\"noopener\">\ub124\ud2b8\uc6cc\ud06c \ud328\ud0b7\uc5d0\uc11c \ud504\ub85c\ud1a0\ucf5c \ud5e4\ub354 \uc81c\uac70<\/a> \uc7a5\uce58\uc758 \ub124\ud2b8\uc6cc\ud06c \uc2a4\ud0dd\uc744 \ud1b5\ud574 \uc62c\ub77c\uac08 \ub54c. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \ub370\uc774\ud130\uac00 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \ud615\uc2dd\uc73c\ub85c \uc758\ub3c4\ud55c \ub300\uc0c1\uc5d0 \ub3c4\ub2ec\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ucea1\uc290\ud654 \ud574\uc81c \ud504\ub85c\uc138\uc2a4\uc758 \ub2e8\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<ul><\/p>\n<li>\ud504\ub85c\uc138\uc2a4\ub294 \ud328\ud0b7\uc774 \ub3c4\ucc29\ud558\uba74 NIC(\ub124\ud2b8\uc6cc\ud06c \uc778\ud130\ud398\uc774\uc2a4 \uce74\ub4dc)\uc5d0\uc11c \uc2dc\uc791\ub418\uc5b4 \ubb3c\ub9ac \uacc4\uce35 \ucc98\ub9ac \ubc0f \ucd08\uae30 \ud504\ub808\uc784 \uc720\ud6a8\uc131 \uac80\uc0ac\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc5d0\uc11c\ub294 \ud504\ub808\uc784 \ud5e4\ub354\ub97c \uac80\uc0ac\ud558\uc5ec \ud328\ud0b7\uc774 \uc7a5\uce58\uc6a9\uc778\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. MAC \uc8fc\uc18c\uac00 \uc77c\uce58\ud558\uba74 \ud5e4\ub354\uac00 \uc81c\uac70\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc740 \ub300\uc0c1 IP \uc8fc\uc18c\uc640 \ub77c\uc6b0\ud305 \uc815\ubcf4\ub97c \ud655\uc778\ud55c \ud6c4 IP \ud5e4\ub354\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\uc804\uc1a1 \uacc4\uce35 \ucc98\ub9ac\ub294 \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. TCP\ub294 \ud5e4\ub354\ub97c \uc81c\uac70\ud558\uae30 \uc804\uc5d0 \uc2dc\ud000\uc2a4 \ubc88\ud638\uc640 \uc2b9\uc778 \ubc88\ud638\ub97c \uac80\uc0ac\ud574\uc57c \ud558\ub294 \ubc18\uba74, UDP\ub294 \uae30\ubcf8 \uc720\ud6a8\uc131 \uac80\uc0ac\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\uc0c1\uc704 \uacc4\uce35(\uc138\uc158, \ud504\ub9ac\uc820\ud14c\uc774\uc158, \uc560\ud50c\ub9ac\ucf00\uc774\uc158)\uc740 \ucd5c\uc885 \ud398\uc774\ub85c\ub4dc\ub97c \uc804\ub2ec\ud558\uae30 \uc804\uc5d0 \uc554\ud638\ud654 \ub610\ub294 \ub370\uc774\ud130 \uc555\ucd95\uacfc \uac19\uc740 \ucd94\uac00 \uae30\ub2a5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<p>\uc774\ub7ec\ud55c \ud504\ub85c\uc138\uc2a4\ub97c \ud1b5\ud574 PDU\ub294 \ub124\ud2b8\uc6cc\ud06c \uc804\ubc18\uc5d0\uc11c \ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130 \ud1b5\uc2e0\uc744 \ucd09\uc9c4\ud558\uc5ec \uc815\ubcf4\uac00 \uc815\ud655\ud558\uace0 \uc548\uc804\ud558\uac8c \uc804\uc1a1\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uc758 \uc720\ud615<\/h2>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/11bed9cbd7b843ceb26d9937b824bee1.webp\" alt=\"\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704\uc758 \uc720\ud615\"><\/p>\n<p><\/p>\n<h3>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub808\uc774\uc5b4 PDU<\/h3>\n<p><\/p>\n<p><a href=\"https:\/\/wraycastle.com\/blogs\/knowledge-base\/protocol-data-unit\" target=\"_blank\" rel=\"noopener\">\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub808\uc774\uc5b4 PDU<\/a>\uc885\uc885 \uba54\uc2dc\uc9c0\ub77c\uace0\ub3c4 \ud558\ub294 \ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac04\uc758 \uc815\ubcf4 \uad50\ud658\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c PDU\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc0dd\uc131\ub418\uac70\ub098 \uc694\uccad\ub41c \ub370\uc774\ud130\ub97c \ucea1\uc290\ud654\ud558\uc5ec \ud30c\uc77c \uc804\uc1a1 \ubc0f \uc6f9 \uac80\uc0c9\uacfc \uac19\uc740 \uc791\uc5c5\uc744 \uc6a9\uc774\ud558\uac8c \ud569\ub2c8\ub2e4. HTTP \ub610\ub294 FTP\uc640 \uac19\uc740 \uac01 \ud504\ub85c\ud1a0\ucf5c\uc5d0\ub294 \uc774\ub7ec\ud55c PDU\ub97c \uad6c\uc131\ud558\uae30 \uc704\ud55c \ud2b9\uc815 \ud615\uc2dd\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uad6c\uc870\ub294 \uc218\uc2e0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uacc4\uc18d \uc774\ud574\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud558\uba70, \uc774\ub294 \ub2e4\uc591\ud55c \uc2dc\uc2a4\ud15c \uac04\uc758 \ud6a8\uacfc\uc801\uc778 \ud1b5\uc2e0\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p>\uc608\ub97c \ub4e4\uc5b4, \uc0ac\uc6a9\uc790\uac00 \uc6f9\ud398\uc774\uc9c0\ub97c \uc694\uccad\ud558\uba74 \ube0c\ub77c\uc6b0\uc800\ub294 \uc694\uccad\ub41c URL\uc774 \ud3ec\ud568\ub41c HTTP \uba54\uc2dc\uc9c0\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774 \uba54\uc2dc\uc9c0\ub294 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uc774\ub3d9\ud558\uc5ec \uc6f9 \uc11c\ubc84\uc5d0 \ub3c4\ub2ec\ud558\uba70, \uc6f9 \uc11c\ubc84\ub294 \uc694\uccad\uc744 \ucc98\ub9ac\ud558\uace0 \uc801\uc808\ud55c \uc751\ub2f5\uc744 \ub2e4\uc2dc \ubcf4\ub0c5\ub2c8\ub2e4. \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub808\uc774\uc5b4 PDU\uc758 \uba85\ud655\uc131\uacfc \uad6c\uc870\ub294 \ub2e4\uc591\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac04\uc758 \uc6d0\ud65c\ud55c \uc0c1\ud638 \uc791\uc6a9\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc804\uc1a1 \uacc4\uce35 PDU<\/h3>\n<p><\/p>\n<p>\uc804\uc1a1 \uacc4\uce35 PDU\ub294 \ud2b9\ud788 TCP\uc640 UDP \uc0ac\uc774\uc5d0\uc11c \uad6c\uc870\uc640 \uae30\ub2a5\uc774 \ud06c\uac8c \ub2e4\ub985\ub2c8\ub2e4. <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/pt\/transport-layer-protocol-data-unit-tcp-udp-pdu\/\" target=\"_blank\" rel=\"noopener\">\ub2e4\uc74c \ud45c\uc5d0 \uc694\uc57d\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/a> \uc774 \ub450 \ud504\ub85c\ud1a0\ucf5c\uc758 \uc8fc\uc694 \ucc28\uc774\uc810:<\/p>\n<p><\/p>\n<table><\/p>\n<thead><\/p>\n<tr><\/p>\n<th>\ud2b9\uc9d5<\/th>\n<p><\/p>\n<th>TCP \uc138\uadf8\uba3c\ud2b8<\/th>\n<p><\/p>\n<th>UDP \ub370\uc774\ud130\uadf8\ub7a8<\/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>\ub370\uc774\ud130 \ubb34\uacb0\uc131 \ubcf4\uc7a5<\/td>\n<p><\/p>\n<td>\ubcf4\uc99d \uc5c6\uc74c, \uc7a0\uc7ac\uc801\uc778 \ub370\uc774\ud130 \uc190\uc2e4<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\uc8fc\ubb38\ud558\ub2e4<\/td>\n<p><\/p>\n<td>\ub370\uc774\ud130\uac00 \uc21c\uc11c\ub300\ub85c \uc218\uc2e0\ub418\ub294\uc9c0 \ud655\uc778<\/td>\n<p><\/p>\n<td>\uc8fc\ubb38 \ubcf4\uc7a5 \uc5c6\uc74c<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\uc624\ub958 \uac80\uc0ac<\/td>\n<p><\/p>\n<td>\uccb4\ud06c\uc12c\uc744 \ud1b5\ud55c \uac15\ub825\ud55c \uc624\ub958 \uac80\uc0ac<\/td>\n<p><\/p>\n<td>\ucd5c\uc18c\ud55c\uc758 \uc624\ub958 \uac80\uc0ac<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\uc5f0\uacb0 \ubc29\ud5a5<\/td>\n<p><\/p>\n<td>\uc5f0\uacb0 \uc9c0\ud5a5<\/td>\n<p><\/p>\n<td>\ube44\uc5f0\uacb0<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\uac04\uc811\ube44<\/td>\n<p><\/p>\n<td>\uc624\ub958 \ubcf5\uad6c\ub85c \uc778\ud574 \ub354 \ub192\uc74c<\/td>\n<p><\/p>\n<td>\uc2e0\ub8b0\uc131 \uc810\uac80 \ubd80\uc871\uc73c\ub85c \uc778\ud574 \ub0ae\uc544\uc9d0<\/td>\n<p><\/tr>\n<p><\/tbody>\n<p><\/table>\n<p><\/p>\n<p>TCP \uc138\uadf8\uba3c\ud2b8\ub294 \uc5f0\uacb0\uc744 \uc124\uc815\ud558\uace0 \ud328\ud0b7 \uc21c\uc11c\ub97c \uc720\uc9c0\ud568\uc73c\ub85c\uc368 \uc548\uc815\uc801\uc778 \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc774\uc640 \ub300\uc870\uc801\uc73c\ub85c UDP \ub370\uc774\ud130\uadf8\ub7a8\uc740 \uc18d\ub3c4\uc640 \ud6a8\uc728\uc131\uc744 \uc6b0\uc120\uc2dc\ud558\ubbc0\ub85c \uc624\ubc84\ud5e4\ub4dc\ub97c \ub0ae\ucd94\uae30 \uc704\ud574 \uc548\uc815\uc131\uc744 \ud76c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ucc28\uc774\ub85c \uc778\ud574 TCP\ub294 \ud30c\uc77c \uc804\uc1a1\uacfc \uac19\uc774 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc774 \ud544\uc694\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud55c \ubc18\uba74 UDP\ub294 \ube44\ub514\uc624 \uc2a4\ud2b8\ub9ac\ubc0d\uacfc \uac19\uc740 \uc2e4\uc2dc\uac04 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 PDU<\/h3>\n<p><\/p>\n<p>\uc8fc\ub85c IP \ud328\ud0b7\uc73c\ub85c \ud45c\uc2dc\ub418\ub294 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 PDU\ub294 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \ub370\uc774\ud130 \ub77c\uc6b0\ud305\uc744 \ub2f4\ub2f9\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c PDU\uc758 \ud06c\uae30\ub294 \uc0ac\uc6a9 \uc911\uc778 \ud504\ub85c\ud1a0\ucf5c \ubc84\uc804\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/protocol-data-unit-journey-across-osi-layers\/\" target=\"_blank\" rel=\"noopener\">\ub2e4\uc74c \ud45c\uc5d0\ub294 \uac1c\uc694\uac00 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4.<\/a> IPv4 \ubc0f IPv6 \ubaa8\ub450\uc5d0\uc11c \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 PDU\uc758 \uc77c\ubc18\uc801\uc778 \ud06c\uae30 \ubc94\uc704:<\/p>\n<p><\/p>\n<table><\/p>\n<thead><\/p>\n<tr><\/p>\n<th>\uaddc\uc57d<\/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>IPv4<\/td>\n<p><\/p>\n<td>46<\/td>\n<p><\/p>\n<td>1500<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>IPv6<\/td>\n<p><\/p>\n<td>46<\/td>\n<p><\/p>\n<td>1500<\/td>\n<p><\/tr>\n<p><\/tbody>\n<p><\/table>\n<p><\/p>\n<p>IPv4 \ubc0f IPv6 \ud328\ud0b7 \ubaa8\ub450 \ucd5c\uc18c \ud06c\uae30\uac00 46\ubc14\uc774\ud2b8\uc774\ubbc0\ub85c \ud6a8\uacfc\uc801\uc778 \uc804\uc1a1\uc744 \uc704\ud574 \ucda9\ubd84\ud55c \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ucd5c\ub300 1500\ubc14\uc774\ud2b8 \ud06c\uae30\ub85c \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ubd80\ub2f4\uc744 \uc8fc\uc9c0 \uc54a\uc73c\uba74\uc11c \ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. \ub77c\uc6b0\ud305\uc744 \ucd5c\uc801\ud654\ud558\uace0 \ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130 \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud558\ub824\uba74 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 PDU\uc758 \ud2b9\uc131\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35 PDU<\/h3>\n<p><\/p>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c \ud504\ub808\uc784\uc774\ub77c\uace0 \ud558\ub294 \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35 PDU\ub294 \ub3d9\uc77c\ud55c \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc788\ub294 \uc7a5\uce58 \uac04\uc758 \ud1b5\uc2e0\uc744 \ucd09\uc9c4\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uac01 \ud504\ub808\uc784\uc740 \ub370\uc774\ud130 \uc804\uc1a1\uc5d0 \ud544\uc218\uc801\uc778 \uc815\ubcf4\ub97c \ud568\uaed8 \uc81c\uacf5\ud558\ub294 \ud5e4\ub354\uc640 \ud2b8\ub808\uc77c\ub7ec\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \ud5e4\ub354\uc5d0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc18c\uc2a4 \ubc0f \ub300\uc0c1 MAC \uc8fc\uc18c\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc5b4 \ub370\uc774\ud130\uc758 \uc815\ud655\ud55c \ub85c\uceec \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p>\ud2b8\ub808\uc77c\ub7ec\uc5d0\ub294 \uc624\ub958 \uac10\uc9c0 \uba54\ucee4\ub2c8\uc998 \uc5ed\ud560\uc744 \ud558\ub294 \uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac(CRC)\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc218\uc2e0 \uc7a5\uce58\ub294 \uc190\uc0c1\ub41c \ud504\ub808\uc784\uc744 \uc2dd\ubcc4\ud558\uace0 \uc0ad\uc81c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad6c\uc131 \uc694\uc18c\uac00 \uc788\uc73c\uba74 \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c \ub0b4\uc5d0\uc11c \ub370\uc774\ud130 \uc804\uc1a1\uc758 \uc2e0\ub8b0\uc131\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4. \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35 PDU\uc758 \uc8fc\uc694 \ud544\ub4dc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<ul><\/p>\n<li><strong>\ud5e4\ub354<\/strong>: \uc18c\uc2a4 \ubc0f \ub300\uc0c1\uc5d0 \ub300\ud55c MAC \uc8fc\uc18c\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc720\ud6a8 \ud0d1\uc7ac\ub7c9<\/strong>: \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc5d0\uc11c \ucea1\uc290\ud654\ub41c \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\ud2b8\ub808\uc77c\ub7ec<\/strong>: \uc624\ub958 \uac10\uc9c0\ub97c \uc704\ud55c CRC\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<p>\ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35 PDU\ub294 \uc774\ub7ec\ud55c \ud544\ub4dc\ub97c \ud65c\uc6a9\ud558\uc5ec \ub370\uc774\ud130\uac00 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uc815\ud655\ud558\uace0 \ud6a8\uc728\uc801\uc73c\ub85c \uc804\uc1a1\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ubb3c\ub9ac \uacc4\uce35 PDU<\/h3>\n<p><\/p>\n<p>\ubb3c\ub9ac \uacc4\uce35 PDU\ub294 OSI \ubaa8\ub378\uc758 \uac00\uc7a5 \ub0ae\uc740 \uacc4\uce35\uc744 \ub098\ud0c0\ub0b4\uba70 \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uc758 \ud504\ub808\uc784\uc744 \uc804\uc1a1\uc6a9 \ube44\ud2b8\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubcc0\ud658\uc740 \ub2e4\uc591\ud55c \uc720\ud615\uc758 \ubbf8\ub514\uc5b4\ub97c \ud1b5\ud55c \ucee4\ubba4\ub2c8\ucf00\uc774\uc158\uc744 \ucd09\uc9c4\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc0ac\uc6a9\ub418\ub294 \ub9e4\uccb4\uc5d0 \ub530\ub77c \uc774\ub7ec\ud55c \ube44\ud2b8\ub294 \ub2e4\ub978 \ud615\uc2dd\uc73c\ub85c \ud45c\uc2dc\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<ul><\/p>\n<li><strong>\uc804\uae30 \uc2e0\ud638<\/strong>: \uad6c\ub9ac \ucf00\uc774\ube14\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uad11\uc2e0\ud638<\/strong>: \uad11\uc12c\uc720 \ucf00\uc774\ube14\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\uc804\ud30c<\/strong>: \ubb34\uc120\ud1b5\uc2e0\uc5d0 \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<p>\ubb3c\ub9ac \uacc4\uce35\uc740 \ub9e4\uccb4\uc5d0 \uad00\uacc4\uc5c6\uc774 \ub370\uc774\ud130\uac00 \ud55c \uc7a5\uce58\uc5d0\uc11c \ub2e4\ub978 \uc7a5\uce58\ub85c \ud6a8\uacfc\uc801\uc73c\ub85c \uc774\ub3d9\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc801\uc751\uc131\uc740 \ub2e4\uc591\ud55c \ud1b5\uc2e0 \ubc29\ubc95\uc774 \uacf5\uc874\ud558\ub294 \ud604\ub300 \ub124\ud2b8\uc6cc\ud0b9\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ubb3c\ub9ac \uacc4\uce35 PDU\ub294 \ub370\uc774\ud130\ub97c \uc801\uc808\ud55c \ud615\uc2dd\uc73c\ub85c \ubcc0\ud658\ud568\uc73c\ub85c\uc368 \ub2e4\uc591\ud55c \ud50c\ub7ab\ud3fc\uacfc \uae30\uc220 \uc804\ubc18\uc5d0 \uac78\uccd0 \uc6d0\ud65c\ud55c \uc5f0\uacb0\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p>\ub370\uc774\ud130\uac00 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uc774\ub3d9\ud558\ub294 \ubc29\uc2dd\uc744 \uc774\ud574\ud558\ub824\uba74 \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35\uacfc \ubb3c\ub9ac \uacc4\uce35 PDU\ub97c \ubaa8\ub450 \uc774\ud574\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacc4\uce35\uc740 \ud568\uaed8 \uc791\ub3d9\ud558\uc5ec \uc815\ubcf4\uac00 \uc815\ud655\ud558\uace0 \ud6a8\uc728\uc801\uc73c\ub85c \uc804\uc1a1\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud558\uc5ec \uc548\uc815\uc801\uc778 \ud1b5\uc2e0\uc758 \ubc31\ubcf8\uc744 \ud615\uc131\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>\ud504\ub85c\ud1a0\ucf5c \uac04 PDU \ube44\uad50<\/h2>\n<p><\/p>\n<h3>TCP \ub300 UDP PDU<\/h3>\n<p><\/p>\n<p>TCP(\uc804\uc1a1 \uc81c\uc5b4 \ud504\ub85c\ud1a0\ucf5c)\uc640 UDP(\uc0ac\uc6a9\uc790 \ub370\uc774\ud130\uadf8\ub7a8 \ud504\ub85c\ud1a0\ucf5c)\ub294 \ub370\uc774\ud130 \uc804\uc1a1\uc5d0\uc11c \uc11c\ub85c \ub2e4\ub978 \ubaa9\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. <a href=\"https:\/\/www.linkedin.com\/posts\/babatunde-olanipekun_networking-cybersecurity-tcp-activity-7396646248302252032-fKid\" target=\"_blank\" rel=\"noopener\">\ub2e4\uc74c \ud45c\uc5d0\ub294 \uc8fc\uc694 \ucc28\uc774\uc810\uc774 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4.<\/a>:<\/p>\n<p><\/p>\n<table><\/p>\n<thead><\/p>\n<tr><\/p>\n<th>\uaddc\uc57d<\/th>\n<p><\/p>\n<th>\uc2e0\ub8b0\ud560 \uc218 \uc788\uc74c<\/th>\n<p><\/p>\n<th>\uac04\uc811\ube44<\/th>\n<p><\/p>\n<th>\uc0ac\uc6a9 \uc0ac\ub840<\/th>\n<p><\/tr>\n<p><\/thead>\n<p><\/p>\n<tbody><\/p>\n<tr><\/p>\n<td>TCP<\/td>\n<p><\/p>\n<td>\ub192\uc740<\/td>\n<p><\/p>\n<td>\ub192\uc740<\/td>\n<p><\/p>\n<td>\uc6f9 \ube0c\ub77c\uc6b0\uc9d5, \uc774\uba54\uc77c, \ud30c\uc77c \uc804\uc1a1<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>UDP<\/td>\n<p><\/p>\n<td>\ub0ae\uc740<\/td>\n<p><\/p>\n<td>\ub0ae\uc740<\/td>\n<p><\/p>\n<td>\ube44\ub514\uc624 \uc2a4\ud2b8\ub9ac\ubc0d, VoIP, \uc628\ub77c\uc778 \uac8c\uc784, DNS<\/td>\n<p><\/tr>\n<p><\/tbody>\n<p><\/table>\n<p><\/p>\n<ul><\/p>\n<li>\n<p><strong>TCP<\/strong>:<\/p>\n<p><\/p>\n<ul><\/p>\n<li>\uc5f0\uacb0 \uc9c0\ud5a5<\/li>\n<p><\/p>\n<li>\ub370\uc774\ud130 \uc804\ub2ec \ubc0f \uc62c\ubc14\ub978 \uc21c\uc11c \ubcf4\uc7a5<\/li>\n<p><\/p>\n<li>\uc624\ub958 \uac80\uc0ac \ubc0f \uc7ac\uc804\uc1a1 \uc218\ud589<\/li>\n<p><\/p>\n<li>\ub290\ub9ac\uc9c0\ub9cc \uc548\uc815\uc131\uc774 \ub6f0\uc5b4\ub0a8<\/li>\n<p><\/ul>\n<p><\/li>\n<p><\/p>\n<li>\n<p><strong>UDP<\/strong>:<\/p>\n<p><\/p>\n<ul><\/p>\n<li>\ube44\uc5f0\uacb0<\/li>\n<p><\/p>\n<li>\ubc30\uc1a1\uc774\ub098 \uc8fc\ubb38\uc5d0 \ub300\ud55c \ubcf4\uc7a5\uc740 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\ucd5c\uc18c\ud55c\uc758 \uc624\ubc84\ud5e4\ub4dc\uc640 \ub0ae\uc740 \ub300\uae30 \uc2dc\uac04<\/li>\n<p><\/p>\n<li>\ube60\ub974\uc9c0\ub9cc \uc2e0\ub8b0\uc131\uc774 \ub5a8\uc5b4\uc9d0<\/li>\n<p><\/ul>\n<p><\/li>\n<p><\/ul>\n<p><\/p>\n<p>TCP\uc758 \uc2e0\ub8b0\uc131\uc740 \ud30c\uc77c \uc804\uc1a1\uacfc \uac19\uc774 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc774 \ud544\uc694\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uc774\uc640 \ub300\uc870\uc801\uc73c\ub85c UDP\uc758 \ub0ae\uc740 \uc624\ubc84\ud5e4\ub4dc\ub294 \uc18d\ub3c4\uac00 \uc911\uc694\ud55c \ube44\ub514\uc624 \uc2a4\ud2b8\ub9ac\ubc0d\uacfc \uac19\uc740 \uc2e4\uc2dc\uac04 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc774\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>IP PDU<\/h3>\n<p><\/p>\n<p>\uc8fc\ub85c IP \ud328\ud0b7\uc73c\ub85c \ud45c\uc2dc\ub418\ub294 IP PDU\ub294 \ub124\ud2b8\uc6cc\ud06c \uc804\uccb4\uc758 \ub370\uc774\ud130 \ub77c\uc6b0\ud305\uc744 \uad00\ub9ac\ud569\ub2c8\ub2e4. \ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc5d0 \ud544\uc218\uc801\uc778 \uc870\uac01\ud654 \ubc0f \uc7ac\uc870\ub9bd\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. <a href=\"https:\/\/en.wikipedia.org\/wiki\/IP_fragmentation\" target=\"_blank\" rel=\"noopener\">\ub370\uc774\ud130\uadf8\ub7a8\uc774 \ucd5c\ub300 \uc804\uc1a1 \ub2e8\uc704(MTU) \ud06c\uae30\ub97c \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0<\/a>, \uc870\uac01\ud654\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\uc5d0\ub294 \uc5ec\ub7ec \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.:<\/p>\n<p><\/p>\n<ol><\/p>\n<li>\uc870\uac01\ud654\ub294 \ub370\uc774\ud130\uadf8\ub7a8\uc774 MTU \ud06c\uae30\ub97c \ucd08\uacfc\ud560 \ub54c \uc2dc\uc791\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\uc6d0\ubcf8 \ub370\uc774\ud130\uadf8\ub7a8\uc740 \ub354 \uc791\uc740 \uc870\uac01\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\uac01 \uc870\uac01\uc5d0\ub294 \uc6d0\ubcf8 IP \ud5e4\ub354\uc758 \uc218\uc815\ub41c \ubcf5\uc0ac\ubcf8\uacfc \ud398\uc774\ub85c\ub4dc \uc77c\ubd80\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>\uc2dd\ubcc4 \ud544\ub4dc\ub294 \uc7ac\uc870\ub9bd\uc744 \uc704\ud574 \ubaa8\ub4e0 \uc870\uac01\uc5d0\uc11c \ub3d9\uc77c\ud558\uac8c \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li>Fragment Offset \ud544\ub4dc\ub294 \uac01 \uc870\uac01\uc758 \uc704\uce58\ub97c \u200b\u200b\ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><a href=\"https:\/\/jumpcloud.com\/it-index\/what-is-ip-fragmentation\" target=\"_blank\" rel=\"noopener\">\ub9ac\uc5b4\uc148\ube14\ub9ac\ub294 \ub300\uc0c1 \ud638\uc2a4\ud2b8\uc5d0\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/a> \uc2dd\ubcc4 \ubc0f \uc870\uac01 \uc624\ud504\uc14b \ud544\ub4dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<p><\/ol>\n<p><\/p>\n<p>\uc7ac\uc870\ub9bd\uc740 \uc911\uac04 \ub77c\uc6b0\ud130\uac00 \uc544\ub2cc \ub300\uc0c1 \ud638\uc2a4\ud2b8\uc5d0\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc870\uac01\uc774 \uc190\uc2e4\ub418\uba74 \uc804\uccb4 \ub370\uc774\ud130\uadf8\ub7a8\uc774 \uc190\uc2e4\ub41c \uac83\uc73c\ub85c \uac04\uc8fc\ub418\ubbc0\ub85c \uc548\uc815\uc801\uc778 \uc804\uc1a1\uc758 \uc911\uc694\uc131\uc774 \uac15\uc870\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\uc774\ub354\ub137 PDU<\/h3>\n<p><\/p>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c \ud504\ub808\uc784\uc774\ub77c\uace0 \uc54c\ub824\uc9c4 \uc774\ub354\ub137 PDU\ub294 \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c \ub0b4\uc5d0\uc11c \ud1b5\uc2e0\uc744 \uc6a9\uc774\ud558\uac8c \ud569\ub2c8\ub2e4. \uac01 \ud504\ub808\uc784\uc740 \ub370\uc774\ud130 \uc804\uc1a1\uc5d0 \ud544\uc218\uc801\uc778 \uc815\ubcf4\ub97c \uc81c\uacf5\ud558\ub294 \ud5e4\ub354\uc640 \ud2b8\ub808\uc77c\ub7ec\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \ud5e4\ub354\uc5d0\ub294 \uc18c\uc2a4 \ubc0f \ub300\uc0c1 MAC \uc8fc\uc18c\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc5b4 \uc815\ud655\ud55c \uc804\ub2ec\uc774 \ubcf4\uc7a5\ub429\ub2c8\ub2e4. \ud2b8\ub808\uc77c\ub7ec\uc5d0\ub294 \uc624\ub958 \uac10\uc9c0\ub97c \uc704\ud55c \uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac(CRC)\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p>\uc774\ub354\ub137 \ud504\ub808\uc784\uc740 \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c \ub0b4\uc5d0\uc11c \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub294 \uc7a5\uce58\uac00 \ud6a8\uacfc\uc801\uc73c\ub85c \ud1b5\uc2e0\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud558\uc5ec \uc6d0\ud65c\ud55c \ub370\uc774\ud130 \uad50\ud658\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4. <a href=\"https:\/\/www.newsunnpdu.com\/news\/understanding-the-different-roles-of-pdu-and-ups-for-reliable-power\/\" target=\"_blank\" rel=\"noopener\">\uc774\ub354\ub137 PDU \uc774\ud574<\/a> \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h2>PDU\uc758 \uc2e4\uc81c \uc751\uc6a9<\/h2>\n<p><\/p>\n<h3>\ub124\ud2b8\uc6cc\ud0b9 \uc7a5\uce58<\/h3>\n<p><\/p>\n<p>\ub77c\uc6b0\ud130, \uc2a4\uc704\uce58 \ub4f1 \ub124\ud2b8\uc6cc\ud0b9 \uc7a5\uce58\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. <a href=\"https:\/\/www.auvik.com\/franklyit\/blog\/network-devices\/\" target=\"_blank\" rel=\"noopener\">PDU(\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704) \ucc98\ub9ac<\/a>. \uc774\ub7ec\ud55c \uc7a5\uce58\ub294 \uac01\uac01 \uace0\uc720\ud55c \uae30\ub2a5\uc744 \uac00\uc9c4 OSI \ubaa8\ub378\uc758 \ud2b9\uc815 \uacc4\uce35\uc5d0\uc11c \uc791\ub3d9\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\uac00 \uc774\ub7ec\ud55c \uacc4\uce35\uc744 \ud1b5\uacfc\ud568\uc5d0 \ub530\ub77c PDU\ub294 \ubcc0\ud658\uc744 \uacaa\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ub370\uc774\ud130\uac00 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc5d0\uc11c \uc804\uc1a1 \uacc4\uce35\uc73c\ub85c \uc774\ub3d9\ud558\uba74 IP \ud5e4\ub354\uac00 \uc81c\uac70\ub418\uc5b4 PDU\uac00 \ud328\ud0b7\uc5d0\uc11c \uc138\uadf8\uba3c\ud2b8\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<ul><\/p>\n<li><strong>\uc2a4\uc704\uce58<\/strong>: \uc774\ub7ec\ud55c \uc7a5\uce58\ub294 LAN(Local Area Network) \ub0b4\uc5d0\uc11c \uc5ec\ub7ec \uc7a5\uce58\ub97c \uc5f0\uacb0\ud569\ub2c8\ub2e4. \uadf8\ub4e4\uc740 \uc758\ub3c4\ub41c \uc218\uc2e0\uc790\uc5d0\uac8c\ub9cc \ub370\uc774\ud130\ub97c \ubcf4\ub0b4\uae30 \uc704\ud574 MAC \uc8fc\uc18c\ub97c \ud559\uc2b5\ud569\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \ubcf4\uc548\uc744 \uac15\ud654\ud558\uace0 \ub370\uc774\ud130 \ucda9\ub3cc\uc744 \uc904\uc785\ub2c8\ub2e4.<\/li>\n<p><\/p>\n<li><strong>\ub77c\uc6b0\ud130<\/strong>: \ub77c\uc6b0\ud130\ub294 \ud648 LAN\uacfc \uac19\uc740 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c\ub97c \uc778\ud130\ub137\uc5d0 \uc5f0\uacb0\ud569\ub2c8\ub2e4. \uc774\ub4e4\uc740 IP \uc8fc\uc18c\ub97c \ud65c\uc6a9\ud558\uc5ec \uac00\uc7a5 \ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130 \uacbd\ub85c\ub97c \uacb0\uc815\ud558\uace0 \ucd5c\uc801\uc758 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud55c \ub77c\uc6b0\ud305 \ud14c\uc774\ube14\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<p><\/ul>\n<p><\/p>\n<h3>\ub370\uc774\ud130 \uc804\uc1a1 \uc2dc\ub098\ub9ac\uc624<\/h3>\n<p><\/p>\n<p>PDU\ub294 \ub2e4\uc591\ud55c \ub370\uc774\ud130 \uc804\uc1a1 \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub294 \ub2e4\uc591\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uacfc \ud504\ub85c\ud1a0\ucf5c \uac04\uc758 \ud1b5\uc2e0\uc744 \uc6a9\uc774\ud558\uac8c \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc0ac\uc6a9\uc790\uac00 \ube44\ub514\uc624\ub97c \uc2a4\ud2b8\ub9ac\ubc0d\ud558\uba74 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \ube44\ub514\uc624 \ub370\uc774\ud130\ub97c \ucea1\uc290\ud654\ud558\ub294 PDU\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c PDU\ub294 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uc774\ub3d9\ud558\uc5ec \ub370\uc774\ud130\uac00 \uc801\uc2dc\uc5d0 \uc0ac\uc6a9\uc790 \uc7a5\uce58\uc5d0 \ub3c4\ub2ec\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p>\ud30c\uc77c \uc804\uc1a1 \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c PDU\ub294 \ub370\uc774\ud130 \ud328\ud0b7\uc774 \uadf8\ub300\ub85c \ub3c4\ucc29\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. TCP\uc640 \uac19\uc740 \ud504\ub85c\ud1a0\ucf5c\uc740 PDU\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud30c\uc77c\uc758 \ubaa8\ub4e0 \uc138\uadf8\uba3c\ud2b8\uac00 \uc62c\ubc14\ub978 \uc21c\uc11c\ub85c \uc218\uc2e0\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc138\uadf8\uba3c\ud2b8\uac00 \uc190\uc2e4\ub418\uba74 TCP\ub294 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \uc7ac\uc804\uc1a1\uc744 \uc694\uccad\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/h3>\n<p><\/p>\n<p>PDU\uc758 \uc124\uacc4\uc640 \uad6c\uc870\ub294 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ud6a8\uc728\uc801\uc778 \ud06c\uae30\uc758 PDU\ub294 \ucc98\ub9ac\ub7c9\uc744 \ud5a5\uc0c1\ud558\uace0 \ub300\uae30 \uc2dc\uac04\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, PDU\uac00 \ud074\uc218\ub85d \uc804\uc1a1 \uc2dc\uac04\uc774 \ub298\uc5b4\ub0a0 \uc218 \uc788\uace0, PDU\uac00 \uc791\uc744\uc218\ub85d \uc624\ubc84\ud5e4\ub4dc\uac00 \ucd5c\uc18c\ud654\ub418\uc5b4 \ud6a8\uc728\uc131\uc774 \ud5a5\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<p>\ub610\ud55c \ud504\ub85c\ud1a0\ucf5c \uc120\ud0dd\uc740 PDU \ucc98\ub9ac \ubc29\ubc95\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. TCP\uc758 \uc2e0\ub8b0\uc131 \uba54\ucee4\ub2c8\uc998\uc740 \ucd94\uac00 \uc624\ubc84\ud5e4\ub4dc\ub97c \ubc1c\uc0dd\uc2dc\ucf1c \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\ub97c \uc800\ud558\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc640 \ub300\uc870\uc801\uc73c\ub85c UDP\ub294 \uc624\ubc84\ud5e4\ub4dc\uac00 \ucd5c\uc18c\ud654\ub418\uc5b4 \ub354 \ube60\ub978 \ub370\uc774\ud130 \uc804\uc1a1\uc774 \uac00\ub2a5\ud558\ubbc0\ub85c \uc2e4\uc2dc\uac04 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc5ed\ud559\uc744 \uc774\ud574\ud558\uba74 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud558\uace0 \uc548\uc815\uc801\uc778 \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<hr>\n<p><\/p>\n<p>PDU(\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704)\ub294 \ub124\ud2b8\uc6cc\ud0b9\uc5d0\uc11c \ud6a8\uacfc\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud55c \ud544\uc218 \uad6c\uc131 \uc694\uc18c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub370\uc774\ud130\ub97c \ucea1\uc290\ud654\ud558\uc5ec \ub2e4\uc591\ud55c \ud504\ub85c\ud1a0\ucf5c\uc5d0\uc11c \uc548\uc815\uc801\uc778 \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. PDU\uc758 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\uc5d0\ub294 \ud5e4\ub354, \ud398\uc774\ub85c\ub4dc \ubc0f \ud2b8\ub808\uc77c\ub7ec\uac00 \ud3ec\ud568\ub418\uba70, \uac01\uac01\uc740 <a href=\"https:\/\/nbyosun.com\/understanding-network-pdu-in-networking\/\" target=\"_blank\" rel=\"noopener\">\ub370\uc774\ud130 \ubb34\uacb0\uc131<\/a> \uadf8\ub9ac\uace0 \uc624\ub958 \uac10\uc9c0.<\/p>\n<p><\/p>\n<p>PDU\ub97c \uc774\ud574\ud558\uba74 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\uc5d0\uac8c \ub2e4\uc74c\uacfc \uac19\uc740 \uc5ec\ub7ec \uac00\uc9c0 \uc774\uc810\uc774 \uc81c\uacf5\ub429\ub2c8\ub2e4. <a href=\"https:\/\/www.internold.com\/lesson\/fundamentals-of-tcp-ip-networking-detailed\/\" target=\"_blank\" rel=\"noopener\">\ubcf5\uc7a1\ud55c \uac1c\ub150\uc744 \ub2e8\uc21c\ud654<\/a> \ub2e4\uc911 \uacf5\uae09\uc5c5\uccb4 \uc0c1\ud638 \uc6b4\uc6a9\uc131\uc744 \ucd09\uc9c4\ud569\ub2c8\ub2e4. \uae30\uc220\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c PDU\ub294 \uc9c0\uc18d\uc801\uc73c\ub85c \uc801\uc751\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uacfc \uc548\uc815\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uac83\uc785\ub2c8\ub2e4. \ub370\uc774\ud130 \ud750\ub984\uc744 \ud45c\uc900\ud654\ud558\ub294 \uc5ed\ud560\uc740 \ud604\ub300 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc5ec\uc804\ud788 \uc911\uc694\ud569\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>PDU(Protocol Data Unit)\ub294 \ud2b9\uc815 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uc5d4\ud130\ud2f0 \uac04\uc5d0 \uad50\ud658\ub418\ub294 \ub370\uc774\ud130\uc758 \uae30\ubcf8 \ub2e8\uc704\uc785\ub2c8\ub2e4. \ud6a8\uacfc\uc801\uc778 \ud1b5\uc2e0\uc744 \uc704\ud574 \ub370\uc774\ud130\ub97c \ud5e4\ub354\uc640 \ud2b8\ub808\uc77c\ub7ec\ub85c \ucea1\uc290\ud654\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>\ub124\ud2b8\uc6cc\ud0b9\uc5d0\uc11c PDU\uac00 \uc911\uc694\ud55c \uc774\uc720\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>PDU\ub294 \ub124\ud2b8\uc6cc\ud06c \uc804\ubc18\uc5d0 \uac78\uccd0 \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc774\ub294 \uc624\ub958 \uac10\uc9c0, \ub370\uc774\ud130 \ubb34\uacb0\uc131 \ubc0f \uc801\uc808\ud55c \ub77c\uc6b0\ud305\uc744 \ucd09\uc9c4\ud558\ubbc0\ub85c \uc7a5\uce58 \uac04\uc758 \ud6a8\uc728\uc801\uc778 \ud1b5\uc2e0\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU\uc758 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>PDU\ub294 \ud504\ub85c\ud1a0\ucf5c \ud5e4\ub354, \ud398\uc774\ub85c\ub4dc, \ud2b8\ub808\uc77c\ub7ec\uc758 \uc138 \uac00\uc9c0 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \uac01 \uad6c\uc131 \uc694\uc18c\ub294 \ub370\uc774\ud130 \uc804\uc1a1 \ubc0f \ubb34\uacb0\uc131\uc774\ub77c\ub294 \ud2b9\uc815 \ubaa9\uc801\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU\ub294 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc5d0 \ub530\ub77c \uc5b4\ub5bb\uac8c \ub2e4\ub985\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>PDU\ub294 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35 PDU\ub294 \uba54\uc2dc\uc9c0\uc774\uace0, \uc804\uc1a1 \uacc4\uce35 PDU\ub294 \uc138\uadf8\uba3c\ud2b8 \ub610\ub294 \ub370\uc774\ud130\uadf8\ub7a8\uc774\uba70, \ub370\uc774\ud130 \ub9c1\ud06c \uacc4\uce35 PDU\ub294 \ud504\ub808\uc784\uc785\ub2c8\ub2e4. \uac01 \uc720\ud615\uc5d0\ub294 \uace0\uc720\ud55c \uad6c\uc870\uc640 \uae30\ub2a5\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU\uc5d0\uc11c \ud2b8\ub808\uc77c\ub7ec\uc758 \uc5ed\ud560\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>\uc608\uace0\ud3b8 \ub610\ub294 \ubc14\ub2e5\uae00\uc740 PDU \ub05d\uc5d0 \ud45c\uc2dc\ub418\ub294 \uc120\ud0dd\uc801 \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc804\uc1a1 \uc911 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uccb4\ud06c\uc12c\uacfc \uac19\uc740 \uc624\ub958 \uac10\uc9c0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU\uc5d0\uc11c \ucea1\uc290\ud654\ub294 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud569\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>\ucea1\uc290\ud654\uc5d0\ub294 OSI \ubaa8\ub378\uc758 \uac01 \uacc4\uce35\uc5d0\uc11c \ud504\ub85c\ud1a0\ucf5c\ubcc4 \ud5e4\ub354\ub85c \ub370\uc774\ud130\ub97c \ub798\ud551\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \uc804\uc1a1\ud560 \ub370\uc774\ud130\ub97c \uad6c\uc131\ud558\uace0 \ub124\ud2b8\uc6cc\ud06c \uc804\uccb4\uc758 \ubb34\uacb0\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>TCP\uc640 UDP PDU\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>TCP PDU\ub294 \uc548\uc815\uc801\uc774\uace0 \uc21c\uc11c\ud654\ub41c \ub370\uc774\ud130 \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud558\ub294 \ubc18\uba74, UDP PDU\ub294 \ubcf4\uc7a5 \uc5c6\uc774 \uc18d\ub3c4\uc640 \ud6a8\uc728\uc131\uc744 \uc6b0\uc120\uc2dc\ud569\ub2c8\ub2e4. TCP\ub294 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc774 \ud544\uc694\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud55c \ubc18\uba74 UDP\ub294 \uc2e4\uc2dc\uac04 \uc2dc\ub098\ub9ac\uc624\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p><\/p>\n<h3>PDU\uac00 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/h3>\n<p><\/p>\n<p>\uc608, PDU\uc758 \ub514\uc790\uc778\uacfc \ud06c\uae30\ub294 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ud6a8\uc728\uc801\uc778 \ud06c\uae30\uc758 PDU\ub294 \ucc98\ub9ac\ub7c9\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uace0 \ub300\uae30 \uc2dc\uac04\uc744 \uc904\uc774\ub294 \ubc18\uba74, PDU\uac00 \ud074\uc218\ub85d \uc804\uc1a1 \uc2dc\uac04\uc774 \ub298\uc5b4\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130 \uad50\ud658\uc744 \uc704\ud55c \uc5ed\ud560\uacfc \uad6c\uc131 \uc694\uc18c\ub97c \ud3ec\ud568\ud558\uc5ec \ub124\ud2b8\uc6cc\ud0b9\uc5d0\uc11c PDU(\ud504\ub85c\ud1a0\ucf5c \ub370\uc774\ud130 \ub2e8\uc704)\uc758 \uc815\uc758\uc640 \uc720\ud615\uc744 \uc774\ud574\ud569\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":4608,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-4609","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/posts\/4609","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=4609"}],"version-history":[{"count":0,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/posts\/4609\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/media\/4608"}],"wp:attachment":[{"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/media?parent=4609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/categories?post=4609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsunn.com\/ko\/wp-json\/wp\/v2\/tags?post=4609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}