{"id":4092,"date":"2025-11-13T00:00:00","date_gmt":"2025-11-13T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/ldp-label-distribution-protocol-in-mpls-network\/"},"modified":"2026-06-22T05:08:43","modified_gmt":"2026-06-22T05:08:43","slug":"ldp-label-distribution-protocol-in-mpls-network","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/ldp-label-distribution-protocol-in-mpls-network","title":{"rendered":"LDP\ub780 \ubb34\uc5c7\uc778\uac00? MPLS \ub77c\ubca8 \uc2a4\uc704\uce6d\uc758 \uae30\ucd08"},"content":{"rendered":"
\"What<\/figure>\n\n\n\n

\ud83d\udd39 LDP\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n

LDP(\ub77c\ubca8 \ubd84\ubc30 \ud504\ub85c\ud1a0\ucf5c)<\/strong> \ub294 \ub77c\uc6b0\ud130 \uac04\uc5d0 \ub808\uc774\ube14\uc744 \uc790\ub3d9\uc73c\ub85c \ud560\ub2f9\ud558\uace0 \uad50\ud658\ud558\uae30 \uc704\ud574 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uc81c\uc5b4 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4. MPLS(\ub2e4\uc911 \ud504\ub85c\ud1a0\ucf5c \ub77c\ubca8 \uc2a4\uc704\uce6d)<\/strong><\/a> \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ud328\ud0b7\uc744 \uc0ac\uc804\uc5d0 \uc124\uc815\ub41c \uacbd\ub85c\uc778.
\uae30\uc874\uc758 \uc804\ud1b5\uc801\uc778 IP \ub77c\uc6b0\ud305\uc5d0\ub9cc \uc758\uc874\ud558\ub294 \ub300\uc2e0, MPLS\ub294 \uc9e7\uace0 \uace0\uc815 \uae38\uc774\uc758 \ub808\uc774\ube14\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub808\uc774\ube14 \uc2a4\uc704\uce58\ub4dc \uacbd\ub85c(LSP)<\/strong><\/a>.<\/p>\n\n\n\n

LDP\ub97c \ud1b5\ud574 \ub77c\uc6b0\ud130 \u2014 \ud2b9\ud788 \ub808\uc774\ube14 \uc2a4\uc704\uce58 \ub77c\uc6b0\ud130(LSR)<\/strong> \ubc0f \ub808\uc774\ube14 \uc5e3\uc9c0 \ub77c\uc6b0\ud130(LER)<\/strong> \u2014\ub294 \ub808\uc774\ube14 \ub9e4\ud551 \uc815\ubcf4\ub97c \ub3d9\uc801\uc73c\ub85c \uad50\ud658\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub294 MPLS \ubc31\ubcf8 \uc804\uccb4\uc5d0 \uac78\uccd0 \uac00\uc0c1 \ud68c\ub85c\uc640 \uc720\uc0ac\ud55c \uacbd\ub85c\ub97c \ud615\uc131\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud83d\udd39 LDP \uc791\ub3d9 \ubc29\uc2dd<\/h2>\n\n\n\n

\ud0d0\uc9c0 \ubc0f \uc138\uc158 \uc124\uc815<\/h3>\n\n\n\n

\ub77c\uc6b0\ud130\ub294 \uc778\uc811\ud55c LSR\uc744 \ud0d0\uc9c0\ud558\uae30 \uc704\ud574 LDP \ud5ec\ub85c \uba54\uc2dc\uc9c0<\/strong>.
\uc5f0\uacb0\uc774 \uc124\uc815\ub418\uba74(\uc77c\ubc18\uc801\uc73c\ub85c TCP \ud3ec\ud2b8 646 \uc0ac\uc6a9), \ub2e4\uc74c\uc744 \ud615\uc131\ud569\ub2c8\ub2e4: LDP \uc138\uc158<\/strong> \ub808\ubca8 \uc815\ubcf4\ub97c \uad50\ud658\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub808\uc774\ube14 \ub9e4\ud551 \ubc0f \uacf5\uace0<\/h3>\n\n\n\n

\uac01 LSR\uc740 \ub77c\uc6b0\ud305 \ud14c\uc774\ube14\uc758 IP \uc811\ub450\uc5b4\uc5d0 \ub85c\uceec \ub808\uc774\ube14\uc744 \uc5f0\uacb0\ud569\ub2c8\ub2e4 \u2014 \uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n

10.0.0\/16 \u2192 \ub808\uc774\ube14 102\n<\/code><\/pre>\n\n\n\n
\uc774\ub7ec\ud55c \ub808\uc774\ube14 \ub9e4\ud551\uc740 \uc778\uc811 \ub77c\uc6b0\ud130\uc5d0 \uacf5\uace0\ub418\uba70, \uc774\ub97c \ud1b5\ud574 \uc77c\uad00\ub41c \ub808\uc774\ube14 \ud3ec\uc6cc\ub529 \uc815\ubcf4 \uae30\uc9c0(LFIB)<\/strong>.<\/p>\n\n\n\n
\ub808\uc774\ube14 \uc2a4\uc704\uce58\ub4dc \uacbd\ub85c \uc0dd\uc131<\/h3>\n\n\n\n
\uac01 \ub77c\uc6b0\ud130\uac00 \ud53c\uc5b4\ub85c\ubd80\ud130 \ub808\uc774\ube14 \uc815\ubcf4\ub97c \uc218\uc2e0\ud558\uba74, \ud328\ud0b7 \ud3ec\uc6cc\ub529\uc5d0 \ud544\uc694\ud55c \ub808\uc774\ube14 \uc2a4\ud0dd\uc744 \uad6c\ucd95\ud569\ub2c8\ub2e4.
\uc774 \uacfc\uc815\uc740 \uc644\uc804\ud55c \ub808\uc774\ube14 \uc2a4\uc704\uce58\ub4dc \uacbd\ub85c(LSP)<\/strong><\/a> \ub97c \uc778\uadf8\ub808\uc2a4 LER\uc5d0\uc11c \uc774\uadf8\ub808\uc2a4 LER\uae4c\uc9c0 \ud615\uc131\ud558\uba70, \ud328\ud0b7\uc774 \ubc18\ubcf5\uc801\uc778 IP \uc870\ud68c \uc5c6\uc774 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\uacfc\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
\"MPLS<\/figure>\n\n\n\n
\ud83d\udd39 LDP \ub300 RSVP-TE: \ucc28\uc774\uc810 \uc774\ud574<\/h2>\n\n\n\n
\n\n<\/colgroup>
\uae30\ub2a5<\/p><\/th>
LDP<\/strong><\/p><\/th>
RSVP-TE<\/strong><\/p><\/th><\/tr>
\uacbd\ub85c \uc81c\uc5b4<\/strong><\/p><\/td>
IGP \ucd5c\ub2e8 \uacbd\ub85c \uae30\ubc18<\/p><\/td>
\uad00\ub9ac\uc790\uc5d0 \uc758\ud574 \uba85\uc2dc\uc801\uc73c\ub85c \uc815\uc758\ub428<\/p><\/td><\/tr>
\ud2b8\ub798\ud53d \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1<\/strong><\/p><\/td>
\uc5c6\uc74c<\/p><\/td>
\uc788\uc74c<\/p><\/td><\/tr>
QoS \/ \ub300\uc5ed\ud3ed \uc608\uc57d<\/strong><\/p><\/td>
\uc81c\ud55c\uc801<\/p><\/td>
\uc9c0\uc6d0\ub428<\/p><\/td><\/tr>
\ubcf5\uc7a1\uc131(Complexity)<\/strong><\/p><\/td>
\ub2e8\uc21c\ud568<\/p><\/td>
\ubcf5\uc7a1\ud568<\/p><\/td><\/tr>
\uc0ac\uc6a9 \uc0ac\ub840<\/strong><\/p><\/td>
\uc77c\ubc18\uc801\uc778 MPLS \ud3ec\uc6cc\ub529<\/p><\/td>
\ubc31\ubcf8 \ud2b8\ub798\ud53d \ucd5c\uc801\ud654<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n
\ub3d9\uc548 LDP<\/strong> LDP\ub294 \ub808\uc774\ube14 \uacbd\ub85c\ub97c \uc124\uc815\ud558\uae30 \uc704\ud55c \uac04\ub2e8\ud558\uace0 \ud655\uc7a5 \uac00\ub2a5\ud55c \ubc29\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4., RSVP-TE(Resource Reservation Protocol \u2013 Traffic Engineering)<\/strong> \ub300\uaddc\ubaa8 \uce90\ub9ac\uc5b4 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ub300\uc5ed\ud3ed \uc608\uc57d \ubc0f QoS \uc801\uc6a9\uacfc \uac19\uc740 \uace0\uae09 \uc81c\uc5b4\ub97c \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
\ud83d\udd39 LDP \uc720\ud615<\/h2>\n\n\n\n
\u25b7 \uae30\ubcf8 LDP(\ud649 \ubc14\uc774 \ud649 LDP)<\/h3>\n\n\n\n
\ub808\uc774\ube14\uc740 IGP \ub77c\uc6b0\ud305 \uc815\ubcf4(OSPF, IS-IS)\uc5d0 \ub530\ub77c \ud560\ub2f9\ub429\ub2c8\ub2e4.
\uac01 \ud649\uc740 \ub2e4\uc74c \ub808\uc774\ube14\uc744 \ub3c5\ub9bd\uc801\uc73c\ub85c \uacb0\uc815\ud558\uc5ec \ucd5c\uc120\uc758 \ub178\ub825 \uae30\ubc18 LSP\ub97c \ud615\uc131\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
\u25b7 \ud0c0\uac9f\ud305\ub41c LDP(tLDP)<\/h3>\n\n\n\n
\uc9c1\uc811 \uc5f0\uacb0\ub418\uc9c0 \uc54a\uc740 \ub77c\uc6b0\ud130 \uac04\uc5d0 LSP\ub97c \uc124\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.
\uc774\ub294 \ub2e4\uc74c\uc5d0\uc11c \ud544\uc218\uc801\uc785\ub2c8\ub2e4: MPLS \uacc4\uce35 2\/3 VPN<\/strong>, \ub808\uc774\ube14 \uad50\ud658\uc774 \uc6d0\uaca9 \uc5e3\uc9c0 \ub77c\uc6b0\ud130 \uac04\uc5d0 \ubc1c\uc0dd\ud558\ub294 \uacbd\uc6b0.<\/p>\n\n\n\n
\ud83d\udd39 LDP \uc0ac\uc6a9\uc758 \uc7a5\uc810<\/h2>\n\n\n\n