{"id":476005,"date":"2023-08-09T07:25:33","date_gmt":"2023-08-09T07:25:33","guid":{"rendered":""},"modified":"2023-09-05T11:11:49","modified_gmt":"2023-09-05T11:11:49","slug":"bgp","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/bgp\/","title":{"rendered":"BGP"},"content":{"rendered":"<p>BGP(Border Gateway Protocol)\ub294 \uc778\ud130\ub137\uc5d0\uc11c \ub370\uc774\ud130\uac00 \uc804\uc1a1\ub418\ub294 \ubc29\uc2dd\uc744 \uc81c\uc5b4\ud558\ub294 \ubcf5\uc7a1\ud558\uace0 \uc911\uc694\ud55c \ub77c\uc6b0\ud305 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4. \uc774 \ud504\ub85c\ud1a0\ucf5c\uc758 \uc5ed\ud560\uc740 \uae00\ub85c\ubc8c \uc778\ud130\ub137\uc744 \uad6c\uc131\ud558\ub294 \uc0c1\ud638 \uc5f0\uacb0\ub41c \ub124\ud2b8\uc6cc\ud06c\uc758 \ubcf5\uc7a1\ud55c \uba54\uc2dc\ub97c \ud1b5\ud574 \ub370\uc774\ud130 \ud328\ud0b7\uc774 \uc62c\ubc14\ub974\uac8c \ub77c\uc6b0\ud305\ub418\ub3c4\ub85d \ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h2>BGP\uc758 \ucd9c\ud604\uacfc \uc9c4\ud654<\/h2>\n<p>BGP\ub294 \uae30\uc874 EGP(Exterior Gateway Protocol)\uc758 \uc81c\ud55c \uc0ac\ud56d\uc5d0 \ub300\ud55c \ub300\uc751\uc73c\ub85c 1989\ub144 6\uc6d4 RFC 1105\uc5d0\uc11c \ucc98\uc74c \uc815\uc758\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc778\ud130\ub137\uc740 \ube60\ub974\uac8c \uc131\uc7a5\ud558\uace0 \uc788\uc5c8\uace0, \uc810\uc810 \ub354 \ubcf5\uc7a1\ud574\uc9c0\ub294 \uc778\ud130\ub137 \ud1a0\ud3f4\ub85c\uc9c0\uc5d0 EGP\uc758 \uae30\ubcf8 \uacc4\uce35 \uad6c\uc870\uac00 \ubd80\uc871\ud574\uc84c\uc2b5\ub2c8\ub2e4. \uc194\ub8e8\uc158\uc740 \uc778\ud130\ub137\uc744 \uad6c\uc131\ud558\ub294 \uac1c\ubcc4 \ub124\ud2b8\uc6cc\ud06c\uc778 \uc790\uc728 \uc2dc\uc2a4\ud15c(AS) \uac04\uc758 \ubcf5\uc7a1\ud55c \ub77c\uc6b0\ud305 \uacb0\uc815\uc744 \uad00\ub9ac\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \ub354\uc6b1 \ubc1c\uc804\ub418\uace0 \uc720\uc5f0\ud55c \ud504\ub85c\ud1a0\ucf5c\uc778 BGP\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n<p>BGP\ub294 \ucc98\uc74c\ubd80\ud130 \uc5ec\ub7ec \uac00\uc9c0 \uac1c\uc815\uc744 \uac70\ucce4\uc73c\uba70 \uac01\uac01 \uac1c\uc120 \uc0ac\ud56d\uacfc \ucd94\uac00 \uae30\ub2a5\uc744 \uc81c\uacf5\ud588\uc2b5\ub2c8\ub2e4. \ucd5c\uc2e0 \ubc84\uc804\uc778 BGP-4\ub294 2006\ub144\uc5d0 \ucd9c\uc2dc\ub418\uc5c8\uc73c\uba70 \uc624\ub298\ub0a0\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\ub294 \ud45c\uc900\uc73c\ub85c \ub0a8\uc544 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>BGP \uc0b4\ud3b4\ubcf4\uae30: \uad11\ubc94\uc704\ud55c \ub77c\uc6b0\ud305 \ud504\ub85c\ud1a0\ucf5c<\/h2>\n<p>BGP\ub294 \ub77c\uc6b0\ud130\uac00 \uc6d0\ubcf8\uc5d0\uc11c \ub300\uc0c1\uae4c\uc9c0 \ub370\uc774\ud130\uac00 \uc774\ub3d9\ud558\ub294 \ucd5c\uc0c1\uc758 \uacbd\ub85c\uc5d0 \ub300\ud574 \ud1b5\uc2e0\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \uacbd\ub85c \ubca1\ud130 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4. \uc778\ud130\ub137\uc758 \uac01 AS(\uc790\uce58 \uc2dc\uc2a4\ud15c)\ub294 BGP\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc5f0\uacb0 \uac00\ub2a5\uc131 \uc815\ubcf4\ub97c \ub2e4\ub978 AS\uc5d0 \uad11\uace0\ud569\ub2c8\ub2e4.<\/p>\n<p>\uacbd\ub85c \uc815\ubcf4\ub294 \uc18d\uc131\uc5d0 \uc800\uc7a5\ub418\uba70 \uc6d0\ubcf8 AS, \uc815\ubcf4\uac00 \uc774\ub3d9\ud55c AS \uacbd\ub85c \ub4f1 \ub2e4\uc591\ud55c \ub370\uc774\ud130\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc774\ub7ec\ud55c \uc18d\uc131\uc740 BGP \uacb0\uc815 \ud504\ub85c\uc138\uc2a4\uc5d0\uc11c \uc0ac\uc6a9\ub418\uc5b4 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud55c \uac00\uc7a5 \ucd5c\uc801\uc758 \uacbd\ub85c\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<p>BGP \ub77c\uc6b0\ud130\ub294 BGP \uba54\uc2dc\uc9c0\ub85c \ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0 \uac00\ub2a5\uc131 \uc815\ubcf4\ub97c \uad50\ud658\ud569\ub2c8\ub2e4. \uc774 \uc815\ubcf4\uc5d0\ub294 \uacbd\ub85c \uc120\ud0dd\uc5d0 \ub3c4\uc6c0\uc774 \ub418\ub294 \uc815\ubcf4\ub97c \uc81c\uacf5\ud558\ub294 \uac01 \uc811\ub450\uc0ac\uc5d0 \ub300\ud55c BGP \uc18d\uc131\uacfc \ud568\uaed8 AS\uac00 \ub3c4\ub2ec\ud560 \uc218 \uc788\ub294 \ub124\ud2b8\uc6cc\ud06c \ub610\ub294 &#039;\uc811\ub450\uc0ac&#039; \ubaa9\ub85d\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<h2>BGP\uc758 \ub0b4\ubd80 \uba54\ucee4\ub2c8\uc998: \ud6a8\uacfc\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1 \ubcf4\uc7a5<\/h2>\n<p>BGP\ub294 \uad11\uace0 \ubc0f \uc758\uc0ac\uacb0\uc815 \uc2dc\uc2a4\ud15c\uc744 \ud1b5\ud574 \uc791\ub3d9\ud569\ub2c8\ub2e4. BGP \ub77c\uc6b0\ud130\ub294 \ub2e4\ub978 \ub124\ud2b8\uc6cc\ud06c\ub85c \uc774\ub3d9\ud560 \uc218 \uc788\ub294 \uacbd\ub85c\uc5d0 \ub300\ud55c &#039;\uad11\uace0&#039;\ub97c \ubcf4\ub0c5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad11\uace0\uc5d0\ub294 BGP\ub97c \uacbd\ub85c \ubca1\ud130 \ud504\ub85c\ud1a0\ucf5c\ub85c \ub9cc\ub4dc\ub294 \uc804\uccb4 \uacbd\ub85c \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>BGP \ub77c\uc6b0\ud130\ub294 \uc774\ub7ec\ud55c \uad11\uace0\ub97c \ubc1b\uc73c\uba74 \uacbd\ub85c \uc18d\uc131\uc744 \uae30\ubc18\uc73c\ub85c \uacb0\uc815\uc744 \ub0b4\ub9ac\uace0 \uac00\uc7a5 \uc9e7\uace0 \uc548\uc815\uc801\uc774\uba70 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uacbd\ub85c\uc758 \uc6b0\uc120 \uc21c\uc704\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \uc758\uc0ac \uacb0\uc815 \ud504\ub85c\uc138\uc2a4\ub294 BGP \uacb0\uc815 \uc54c\uace0\ub9ac\uc998\uc73c\ub85c \uc54c\ub824\uc9c4 \uad6c\uc870\ud654\ub41c \uaddc\uce59 \uc138\ud2b8\ub97c \ub530\ub985\ub2c8\ub2e4. \uacbd\ub85c\uac00 \uc120\ud0dd\ub418\uba74 BGP \ub77c\uc6b0\ud130\ub294 \uc774 \uacb0\uc815\uc744 \ub2e4\ub978 \ub77c\uc6b0\ud130\uc5d0 \uc54c\ub9ac\uace0 \uc5c5\ub370\uc774\ud2b8\ub41c \ub77c\uc6b0\ud305 \uc815\ubcf4\ub97c \ub124\ud2b8\uc6cc\ud06c \uc804\uccb4\uc5d0 \uc804\ud30c\ud569\ub2c8\ub2e4.<\/p>\n<p>BGP\ub294 \uc804\uc1a1 \ud504\ub85c\ud1a0\ucf5c\ub85c TCP(Transmission Control Protocol)\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub294 TCP\uac00 \uc218\uc2e0\ub41c \ud328\ud0b7\uc744 \ud655\uc778\ud558\uace0 \uc190\uc2e4\ub41c \ud328\ud0b7\uc744 \uc7ac\uc804\uc1a1\ud558\ub294 \uba54\ucee4\ub2c8\uc998\uc744 \uc81c\uacf5\ud558\ubbc0\ub85c \ub77c\uc6b0\ud305 \uc815\ubcf4\uc758 \uc548\uc815\uc801\uc778 \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<h2>BGP\uc758 \uc8fc\uc694 \ud2b9\uc9d5<\/h2>\n<ol>\n<li>\n<p><strong>\ub3c4\uba54\uc778 \uac04 \ub77c\uc6b0\ud305<\/strong>: BGP\ub294 \uc790\uc728 \uc2dc\uc2a4\ud15c \uac04(\ub3c4\uba54\uc778 \uac04) \ub77c\uc6b0\ud305\uc5d0 \uc0ac\uc6a9\ub418\ubbc0\ub85c \uc778\ud130\ub137 \uc6b4\uc601\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uacbd\ub85c \ubca1\ud130 \ud504\ub85c\ud1a0\ucf5c<\/strong>: BGP\ub294 \uacbd\ub85c \ubca1\ud130 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4. \uc989, \ub2e4\uc591\ud55c \uacbd\ub85c \uc18d\uc131(PA)\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \uc804\uc1a1\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \uacbd\ub85c\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ub8e8\ud504 \ubc29\uc9c0<\/strong>: BGP\ub294 AS \uacbd\ub85c \uc18d\uc131\uc744 \ud655\uc778\ud558\uc5ec \uc774\ubbf8 \uc790\uccb4 AS\uac00 \ud3ec\ud568\ub41c \uacbd\ub85c\ub97c \uac70\ubd80\ud568\uc73c\ub85c\uc368 \ubcf8\uc9c8\uc801\uc73c\ub85c \ub77c\uc6b0\ud305 \ub8e8\ud504\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc815\ucc45 \uae30\ubc18 \ub77c\uc6b0\ud305<\/strong>: BGP\ub294 \uc720\uc5f0\uc131\uc774 \ub6f0\uc5b4\ub098 \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac\uc790\uac00 \uc131\ub2a5, \ube44\uc6a9, \ubcf4\uc548 \uc694\uad6c \uc0ac\ud56d \ub4f1 \ub2e4\uc591\ud55c \uc694\uc18c\uc5d0 \ub530\ub77c \ud2b8\ub798\ud53d \ud750\ub984\uc744 \uc870\uc791\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>BGP \uc720\ud615: \ub0b4\ubd80 \ubc0f \uc678\ubd80<\/h2>\n<p>BGP\ub294 \ub0b4\ubd80 BGP(iBGP)\uc640 \uc678\ubd80 BGP(eBGP)\uc758 \ub450 \uac00\uc9c0 \uc8fc\uc694 \uc720\ud615\uc73c\ub85c \ubd84\ub958\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>iBGP<\/th>\n<th>eBGP<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\uc6a9\ubc95<\/strong><\/td>\n<td>AS \ub0b4 \ub77c\uc6b0\ud305\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/td>\n<td>\uc11c\ub85c \ub2e4\ub978 AS \uac04\uc758 \ub77c\uc6b0\ud305\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td><strong>AS \uacbd\ub85c \uc18d\uc131<\/strong><\/td>\n<td>\uacbd\ub85c \uc120\ud0dd \uacfc\uc815\uc5d0\uc11c \uace0\ub824\ub418\uc9c0 \uc54a\uc74c<\/td>\n<td>\uacbd\ub85c \uc120\ud0dd\uc5d0 \uc911\uc694\ud558\uba70 \ucd5c\ub2e8 \uacbd\ub85c\uac00 \uc120\ud638\ub429\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td><strong>\ub8e8\ud504 \ubc29\uc9c0<\/strong><\/td>\n<td>\uacbd\ub85c \ubc18\uc0ac\uae30 \ub610\ub294 \uc5f0\ud569\uc744 \ud1b5\ud574 \uad6c\ud604\ub428<\/td>\n<td>AS \uacbd\ub85c \ud655\uc778\uc744 \ud1b5\ud574 \uad6c\ud604<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>BGP \ud65c\uc6a9: \uc7a0\uc7ac\uc801\uc778 \uacfc\uc81c\uc640 \uc194\ub8e8\uc158<\/h2>\n<p>BGP\ub294 \uc778\ud130\ub137 \uc6b4\uc601\uc5d0\uc11c \uc911\ucd94\uc801\uc778 \uc5ed\ud560\uc744 \ud558\uba70 \ub77c\uc6b0\ud130\uac00 \ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0 \uac00\ub2a5\uc131\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uacf5\uc720\ud560 \uc218 \uc788\ub294 \uba54\ucee4\ub2c8\uc998\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc8fc\ub85c \ubcf4\uc548 \ubc0f \ud655\uc7a5\uc131 \uc601\uc5ed\uc5d0\uc11c \ud2b9\uc815 \uacfc\uc81c\ub3c4 \uc81c\uc2dc\ub429\ub2c8\ub2e4.<\/p>\n<p>BGP\uc758 \uac00\uc7a5 \ud070 \ubcf4\uc548 \ubb38\uc81c \uc911 \ud558\ub098\ub294 \uacbd\ub85c \uc2e0\ub8b0\uc131 \ud655\uc778\uc774 \ubd80\uc871\ud558\uc5ec AS\uac00 \uc798\ubabb\ub41c \uacbd\ub85c\ub97c \ubc1c\ud45c\ud560 \uc218 \uc788\ub294 BGP \ud558\uc774\uc7ac\ud0b9\uacfc \uac19\uc740 \ubb38\uc81c\ub85c \uc774\uc5b4\uc9c4\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub97c \uc644\ud654\ud558\uae30 \uc704\ud574 RPKI(\ub9ac\uc18c\uc2a4 \uacf5\uac1c \ud0a4 \uc778\ud504\ub77c)\ub97c \uc0ac\uc6a9\ud558\uc5ec \uacbd\ub85c \uc54c\ub9bc\uc744 \uc554\ud638\ud654 \ubc29\uc2dd\uc73c\ub85c \uac80\uc99d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc778\ud130\ub137\uc758 \uae30\ud558\uae09\uc218\uc801\uc778 \uc131\uc7a5\uacfc \uadf8\uc5d0 \ub530\ub978 \uae00\ub85c\ubc8c \ub77c\uc6b0\ud305 \ud14c\uc774\ube14\uc758 \ud06c\uae30 \uc99d\uac00\ub85c \uc778\ud574 \ud655\uc7a5\uc131\uc740 \ub610 \ub2e4\ub978 \uacfc\uc81c\uc785\ub2c8\ub2e4. \uc774\ub294 CIDR(\ud074\ub798\uc2a4 \uc5c6\ub294 \ub3c4\uba54\uc778 \uac04 \ub77c\uc6b0\ud305) \ubc0f \uacbd\ub85c \uc9d1\uacc4\uc640 \uac19\uc740 \uae30\uc220\uc744 \ud1b5\ud574 \uc644\ud654\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>BGP: \ub2e4\ub978 \ub77c\uc6b0\ud305 \ud504\ub85c\ud1a0\ucf5c\uacfc \ube44\uad50<\/h2>\n<p>OSPF(Open Shortest Path First) \ub610\ub294 RIP(Routing Information Protocol)\uc640 \uac19\uc740 \ub2e4\ub978 \ub77c\uc6b0\ud305 \ud504\ub85c\ud1a0\ucf5c\uacfc \ube44\uad50\ud558\uc5ec BGP\uc5d0\ub294 \uba87 \uac00\uc9c0 \ub3c5\ud2b9\ud55c \uae30\ub2a5\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>BGP<\/th>\n<th>OSPF<\/th>\n<th>\ucc22\ub2e4<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\uc720\ud615<\/strong><\/td>\n<td>\uacbd\ub85c \ubca1\ud130<\/td>\n<td>\ub9c1\ud06c \uc0c1\ud0dc<\/td>\n<td>\uac70\ub9ac-\ubca1\ud130<\/td>\n<\/tr>\n<tr>\n<td><strong>\ud655\uc7a5\uc131<\/strong><\/td>\n<td>\ud655\uc7a5\uc131\uc774 \ub6f0\uc5b4\ub0a8<\/td>\n<td>\ub3c4\uba54\uc778 \ub0b4\uc5d0\uc11c \ud655\uc7a5 \uac00\ub2a5<\/td>\n<td>\uc81c\ud55c\ub41c \ud655\uc7a5\uc131<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc6a9\ubc95<\/strong><\/td>\n<td>\ub3c4\uba54\uc778 \uac04<\/td>\n<td>\ub3c4\uba54\uc778 \ub0b4<\/td>\n<td>\ub3c4\uba54\uc778 \ub0b4<\/td>\n<\/tr>\n<tr>\n<td><strong>\ubbf8\ud130\ubc95<\/strong><\/td>\n<td>\ub2e4\uc911 \uc18d\uc131<\/td>\n<td>\ub300\uc5ed\ud3ed\uc5d0 \ub530\ub978 \ube44\uc6a9<\/td>\n<td>\ud649 \uc218<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>BGP: \ubbf8\ub798\uc758 \uad00\uc810<\/h2>\n<p>BGP\ub294 30\ub144 \ub118\uac8c \uc0ac\uc6a9\ub418\uc5b4 \uc654\uc9c0\ub9cc \uacac\uace0\uc131, \ud655\uc7a5\uc131 \ubc0f \uc801\uc751\uc131\uc73c\ub85c \uc778\ud574 \uc778\ud130\ub137 \uc6b4\uc601\uc758 \ud575\uc2ec\uc73c\ub85c \ub0a8\uc744 \uac00\ub2a5\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ucd08\uc810\uc740 RPKI \ubc0f SIDR(Secure Inter-Domain Routing) \uc774\ub2c8\uc154\ud2f0\ube0c\uc640 \uac19\uc740 \uc194\ub8e8\uc158\uc744 \ud1b5\ud574 \ubcf4\uc548\uc744 \uac1c\uc120\ud558\ub294 \ucabd\uc73c\ub85c \uc62e\uaca8\uac00\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ucd5c\uc2e0 \ub124\ud2b8\uc6cc\ud0b9 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ucdb0 BGP\ub97c \ucd5c\uc801\ud654\ud558\ub294 \ub370 \ub300\ud55c \uad00\uc2ec\ub3c4 \ub192\uc544\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. BGP \uad6c\uc131\uc744 \ucd5c\uc801\ud654\ud558\uace0 \ud2b8\ub798\ud53d \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\uc744 \uac1c\uc120\ud560 \uc218 \uc788\ub294 \uae30\uacc4 \ud559\uc2b5 \uc54c\uace0\ub9ac\uc998\uc744 \uac1c\ubc1c\ud558\ub824\ub294 \ub178\ub825\uc774 \uc9c4\ud589 \uc911\uc785\ub2c8\ub2e4.<\/p>\n<h2>BGP \ubc0f \ud504\ub85d\uc2dc \uc11c\ubc84<\/h2>\n<p>\ub2e4\ub978 \uc11c\ubc84\uc5d0\uc11c \ub9ac\uc18c\uc2a4\ub97c \ucc3e\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc758 \uc694\uccad\uc5d0 \ub300\ud55c \uc911\uac1c\uc790 \uc5ed\ud560\uc744 \ud558\ub294 \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 BGP\ub97c \uc0ac\uc6a9\ud558\uc5ec \uae30\ub2a5\uc744 \ud5a5\uc0c1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. BGP\ub97c \ud65c\uc6a9\ud568\uc73c\ub85c\uc368 \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \ub354 \ub9ce\uc740 \uc815\ubcf4\ub97c \ubc14\ud0d5\uc73c\ub85c \ub77c\uc6b0\ud305 \uacb0\uc815\uc744 \ub0b4\ub824 \uc131\ub2a5, \uc548\uc815\uc131 \ubc0f \ubcf4\uc548\uc744 \ucd5c\uc801\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc608\ub97c \ub4e4\uc5b4, \uc5ec\ub7ec AS\uc5d0 \uac78\uccd0 \uc788\ub294 \ud504\ub85d\uc2dc \uc11c\ubc84 \ub124\ud2b8\uc6cc\ud06c\ub294 BGP\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud55c \ucd5c\uc0c1\uc758 \uacbd\ub85c\ub97c \uacb0\uc815\ud558\uace0 \ub300\uae30 \uc2dc\uac04\uc744 \uc904\uc774\uace0 \uace0\uac00\uc6a9\uc131\uc744 \ubcf4\uc7a5\ud558\uc5ec \ud074\ub77c\uc774\uc5b8\ud2b8 \uacbd\ud5d8\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/ip\/border-gateway-protocol-bgp\/index.html\" target=\"_new\" rel=\"noopener nofollow\">BGP(\uacbd\uacc4 \uac8c\uc774\ud2b8\uc6e8\uc774 \ud504\ub85c\ud1a0\ucf5c) - Cisco<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc4271\" target=\"_new\" rel=\"noopener nofollow\">RFC 4271 \u2013 \uacbd\uacc4 \uac8c\uc774\ud2b8\uc6e8\uc774 \ud504\ub85c\ud1a0\ucf5c 4(BGP-4)<\/a><\/li>\n<li><a href=\"https:\/\/bgpmon.net\/bgp-the-story-behind-the-internets-success\/\" target=\"_new\" rel=\"noopener nofollow\">BGP: \uc778\ud130\ub137 \uc131\uacf5 \ube44\ud558\uc778\ub4dc \uc2a4\ud1a0\ub9ac \u2013 BGPmon<\/a><\/li>\n<li><a href=\"https:\/\/www.juniper.net\/documentation\/en_US\/junos\/topics\/concept\/bgp-routing.html\" target=\"_new\" rel=\"noopener nofollow\">BGP \ub77c\uc6b0\ud305 \u2013 \uc8fc\ub2c8\ud37c \ub124\ud2b8\uc6cd\uc2a4<\/a><\/li>\n<\/ul>","protected":false},"featured_media":476006,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476005","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Border Gateway Protocol (BGP): The Internet's Backbone<\/mark>","faq_items":[{"question":"What is Border Gateway Protocol (BGP)?","answer":"<p>Border Gateway Protocol (BGP) is a critical routing protocol responsible for determining how data is transferred across the internet. It ensures that packets of data are correctly routed through the complex interconnected networks that make up the internet.<\/p>"},{"question":"When was BGP first defined?","answer":"<p>BGP was first defined in June 1989 in RFC 1105. It was developed to address the limitations of the existing Exterior Gateway Protocol (EGP) as the internet's growth demanded a more advanced and flexible protocol.<\/p>"},{"question":"What is the latest version of BGP?","answer":"<p>The latest version of BGP, known as BGP-4, was introduced in 2006 and is the standard currently used.<\/p>"},{"question":"What are the key features of BGP?","answer":"<p>Key features of BGP include inter-domain routing, its status as a path-vector protocol, its inherent loop prevention capability, and the ability to provide policy-based routing.<\/p>"},{"question":"What types of BGP exist?","answer":"<p>BGP is categorized into two main types: Internal BGP (iBGP) and External BGP (eBGP). iBGP is used for routing within an Autonomous System (AS), while eBGP is used for routing between different ASes.<\/p>"},{"question":"What are the challenges associated with using BGP?","answer":"<p>The primary challenges associated with using BGP relate to security and scalability. In terms of security, BGP lacks route authenticity verification, which can lead to BGP hijacking. As for scalability, the exponential growth of the internet has led to an increase in the size of global routing tables, putting pressure on BGP's capacity.<\/p>"},{"question":"How does BGP compare with other routing protocols like OSPF and RIP?","answer":"<p>BGP is a path-vector protocol, used for inter-domain routing, and is highly scalable. In contrast, OSPF is a link-state protocol used for intra-domain routing, scalable within the domain. RIP is a distance-vector protocol also used for intra-domain routing, but it has limited scalability.<\/p>"},{"question":"How is BGP related to proxy servers?","answer":"<p>Proxy servers, which act as intermediaries for requests from clients seeking resources from other servers, can use BGP to enhance their functionality. By leveraging BGP, proxy servers can make more informed routing decisions to optimize performance, reliability, and security.<\/p>"},{"question":"What are future perspectives of BGP?","answer":"<p>Future perspectives of BGP involve improving its security with solutions like RPKI and the SIDR (Secure Inter-Domain Routing) initiative. There's also growing interest in optimizing BGP for modern networking needs, such as developing machine learning algorithms that can optimize BGP configurations and improve traffic engineering.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/476005","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/476005\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/476006"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=476005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}