{"id":4082,"date":"2025-11-13T00:00:00","date_gmt":"2025-11-13T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/label-switched-paths-lsps-in-mpls-networks\/"},"modified":"2026-06-22T05:08:11","modified_gmt":"2026-06-22T05:08:11","slug":"label-switched-paths-lsps-in-mpls-networks","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/label-switched-paths-lsps-in-mpls-networks","title":{"rendered":"MPLS \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ub77c\ubca8 \uc2a4\uc704\uce58\ub4dc \uacbd\ub85c(LSP) \uc774\ud574\ud558\uae30"},"content":{"rendered":"
\"What<\/figure>\n\n\n\n

\ud604\ub300 IP \ubc0f \uad11 \ud1b5\uc2e0 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c,
, \ub808\uc774\ube14 \uc2a4\uc704\uce58\ub4dc \uacbd\ub85c(LSP)<\/strong> \ub17c\ub9ac\uc801 \ubc31\ubcf8\uc744 \uad6c\uc131\ud569\ub2c8\ub2e4.
MPLS(\ub2e4\uc911 \ud504\ub85c\ud1a0\ucf5c \ub77c\ubca8 \uc2a4\uc704\uce6d)<\/strong><\/a> \uc774\ub4e4\uc740 \ub370\uc774\ud130 \ud328\ud0b7\uc774 \ub77c\uc6b0\ud130\uc640 \uc2a4\uc704\uce58\ub97c \ud1b5\ud574 \uc774\ub3d9\ud558\ub294 \uacbd\ub85c\ub97c \uc815\uc758\ud558\uc5ec \uc608\uce21 \uac00\ub2a5\ud55c \uc131\ub2a5, \ub0ae\uc740 \uc9c0\uc5f0 \uc2dc\uac04, \ucd5c\uc801\ud654\ub41c \ub300\uc5ed\ud3ed \ud65c\uc6a9\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.
.<\/p>\n\n\n\n

\u27a1\ufe0f LSP\ub780 \ubb34\uc5c7\uc778\uac00\uc694?
<\/h2>\n\n\n\n

A \ub808\uc774\ube14 \uc2a4\uc704\uce58\ub4dc \uacbd\ub85c(LSP)<\/strong> LSP\ub294 MPLS \ud328\ud0b7\uc774 \ud1b5\uacfc\ud558\ub294 \uc0ac\uc804\uc5d0 \uc815\ud574\uc9c4 \ub77c\uc6b0\ud130 \uc2dc\ud000\uc2a4\uc785\ub2c8\ub2e4. \uc774 \uacbd\ub85c\uc758 \uac01 \ub77c\uc6b0\ud130\ub294
\ub77c\ubca8 \uc2a4\uc704\uce58 \ub77c\uc6b0\ud130(LSR)
<\/strong>\u2014\ub77c\uace0 \ud558\uba70, \ubcf5\uc7a1\ud55c IP \uc870\ud68c \ub300\uc2e0 \uc9e7\uace0 \uace0\uc815 \uae38\uc774\uc758 \ub77c\ubca8\uc744 \uae30\ubc18\uc73c\ub85c \ud328\ud0b7\uc744 \uc804\ub2ec\ud569\ub2c8\ub2e4.
.<\/p>\n\n\n\n

\ud328\ud0b7\uc774 MPLS \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc9c4\uc785\ud560 \ub54c, \uc778\uadf8\ub808\uc2a4 \ub77c\uc6b0\ud130\ub294 \ubaa9\uc801\uc9c0 \ubc0f \uc11c\ube44\uc2a4 \ud074\ub798\uc2a4\ub97c \uc2dd\ubcc4\ud558\ub294 \ub77c\ubca8\uc744 \ubd80\uc5ec\ud569\ub2c8\ub2e4. \ud328\ud0b7\uc774 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\uacfc\ud558\uba74\uc11c \uc911\uac04 LSR\ub4e4\uc740 \uc774 \ub77c\ubca8\uc744 \uc0ac\uc6a9\ud574 \ud328\ud0b7\uc744 \ube60\ub974\uac8c \uc62c\ubc14\ub978 \ucd9c\ub825 \uc778\ud130\ud398\uc774\uc2a4\ub85c \uc2a4\uc704\uce6d\ud569\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uc774\uadf8\ub808\uc2a4 \ub77c\uc6b0\ud130\ub294 \ub77c\ubca8\uc744 \uc81c\uac70\ud55c \ud6c4 \ud328\ud0b7\uc744 \ucd5c\uc885 \ubaa9\uc801\uc9c0\ub85c \uc804\ub2ec\ud569\ub2c8\ub2e4.
.<\/p>\n\n\n\n

\uc774\ub7ec\ud55c \ub77c\ubca8 \uae30\ubc18 \uc804\ub2ec \uba54\ucee4\ub2c8\uc998\uc740 \ub2e4\uc74c\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4:
\ube60\ub978 \ud328\ud0b7 \uc804\ub2ec
<\/strong>, \uc608\uce21 \uac00\ub2a5\ud55c \ud2b8\ub798\ud53d \ub3d9\uc791
<\/strong>, \uc640 \uc138\ubc00\ud55c QoS \uc81c\uc5b4
<\/strong>\u2014\uae30\uc874 IP \ub77c\uc6b0\ud305\ubcf4\ub2e4 \uc911\uc694\ud55c \uc7a5\uc810\uc785\ub2c8\ub2e4.
.<\/p>\n\n\n\n

\u27a1\ufe0f LSP \uc791\ub3d9 \ubc29\uc2dd: \ub2e8\uacc4\ubcc4 \uc124\uba85
<\/h2>\n\n\n\n
    \n

  1. \uc778\uadf8\ub808\uc2a4 \ub77c\ubca8\ub9c1
    <\/strong> \u2013 \uc778\uadf8\ub808\uc2a4 \ub77c\ubca8 \uc5e3\uc9c0 \ub77c\uc6b0\ud130(LER)\uac00 \uc218\uc2e0\ub41c IP \ud328\ud0b7\uc744 \ubd84\ub958\ud558\uace0,
    MPLS \ub77c\ubca8\uc744 \ubd80\ucc29\ud569\ub2c8\ub2e4.
    <\/a> \uc774 \ub77c\ubca8\uc740 \ud574\ub2f9 \ud328\ud0b7\uc758 LSP\ub97c \uc815\uc758\ud569\ub2c8\ub2e4.
    .<\/p><\/li>

  2. \ub77c\ubca8 \uc2a4\uc704\uce6d
    <\/strong> \u2013 \uac01 \uc911\uac04 LSR\uc740 \ub77c\ubca8\uc744 \uac80\uc0ac\ud558\uace0, \uc790\uc2e0\uc758 \uc804\ub2ec \ud14c\uc774\ube14\uc5d0 \ub530\ub77c \uc0c8 \ub77c\ubca8\ub85c \uad50\uccb4\ud55c \ud6c4 \ud328\ud0b7\uc744 \ub2e4\uc74c \ud649\uc73c\ub85c \uc804\uc1a1\ud569\ub2c8\ub2e4.
    .<\/p><\/li>

  3. \uc774\uadf8\ub808\uc2a4 \ub514\ucea1\uc290\ub808\uc774\uc158
    <\/strong> \u2013 \uc774\uadf8\ub808\uc2a4 LER\uc774 \ub77c\ubca8\uc744 \uc81c\uac70\ud558\uace0, IP \ud328\ud0b7\uc744 \ub2e4\uc74c \ubaa9\uc801\uc9c0\ub85c \uc804\ub2ec\ud569\ub2c8\ub2e4.
    .<\/p><\/li>\n<\/ol>\n\n\n\n

    \uc774 \uacbd\ub85c\ub294 OSPF\ub098 IS-IS \uac19\uc740 \ub77c\uc6b0\ud305 \ud504\ub85c\ud1a0\ucf5c\uc744 \ud1b5\ud574 \ub3d9\uc801\uc73c\ub85c \uc0dd\uc131\ub420 \uc218\ub3c4 \uc788\uace0,
    LDP(\ub77c\ubca8 \ubd84\ubc30 \ud504\ub85c\ud1a0\ucf5c)<\/strong> \ub610\ub294 \uba85\uc2dc\uc801\uc73c\ub85c \uc815\uc758\ub420 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.
    \ud2b8\ub798\ud53d \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1(TE)<\/strong> \uc81c\ud488\uc73c\ub85c, RSVP-TE(\uc790\uc6d0 \uc608\uc57d \ud504\ub85c\ud1a0\ucf5c\u2013\ud2b8\ub798\ud53d \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1)
    <\/strong>.<\/p>\n\n\n\n

    \"How<\/figure>\n\n\n\n

    \u27a1\ufe0f \ud604\ub300 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c\uc758 LSP \uc751\uc6a9 \uc0ac\ub840
    <\/h2>\n\n\n\n

    MPLS \ud2b8\ub798\ud53d \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1(TE)
    <\/h3>\n\n\n\n

    LSP\ub294 \uc6b4\uc601\uc790\uac00 \ud2b8\ub798\ud53d \ud750\ub984\uc744 \uc81c\uc5b4\ud558\uace0 \ub300\uc5ed\ud3ed\uc744 \uc9c0\ub2a5\uc801\uc73c\ub85c \ud560\ub2f9\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub124\ud2b8\uc6cc\ud06c\ub294 \ud63c\uc7a1\uc744 \ud53c\ud558\ub294 \uacbd\ub85c\ub85c \ud2b8\ub798\ud53d\uc744 \uc720\ub3c4\ud558\uc5ec \uc5ec\ub7ec \ub9c1\ud06c \uac04\uc5d0 \uc774\uc6a9\ub960\uc744 \uade0\ud615 \uc788\uac8c \ubd84\uc0b0\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.
    .<\/p>\n\n\n\n

    VPN \uc11c\ube44\uc2a4(L3VPN \/ L2VPN)
    <\/h3>\n\n\n\n

    MPLS VPN\uc740 LSP\ub97c \uc0ac\uc6a9\ud558\uc5ec \uace0\uac1d \uc0ac\uc774\ud2b8 \uac04 \ud2b8\ub798\ud53d\uc744 \uaca9\ub9ac\ud558\uace0 \ubcf4\ud638\ud569\ub2c8\ub2e4. \uac01 VPN<\/a> \uace0\uc720\ud55c LSP\ub97c \ubcf4\uc720\ud558\uc5ec \ubcf4\uc7a5\ub41c \uc131\ub2a5\uacfc \ud504\ub77c\uc774\ubc84\uc2dc\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    \uc11c\ube44\uc2a4 \ud488\uc9c8(QoS)<\/h3>\n\n\n\n

    \ud2b9\uc815 \ub77c\ubca8\uc744 \uc11c\ube44\uc2a4 \ud074\ub798\uc2a4\uc640 \uc5f0\uad00 \uc9c0\uc74c\uc73c\ub85c\uc368, \uacf5\uae09\uc5c5\uccb4\ub294 \uc9c0\uc5f0 \uc2dc\uac04\uc5d0 \ubbfc\uac10\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158(\uc608: VoIP<\/a>, \ud654\uc0c1 \ud68c\uc758 \ub610\ub294 \uc0b0\uc5c5\uc6a9 IoT \ud2b8\ub798\ud53d)\uc744 \uc6b0\uc120 \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

    \uace0\uc18d \uc7ac\uacbd\ub85c \uc124\uc815(Fast Reroute, FRR)<\/h3>\n\n\n\n

    \uc0ac\uc804 \uc124\uc815\ub41c \ubc31\uc5c5 LSP\ub97c \ud1b5\ud574 \ub9c1\ud06c \ub610\ub294 \ub178\ub4dc \uc7a5\uc560 \ubc1c\uc0dd \uc2dc 50ms \ubbf8\ub9cc\uc758 \ubcf5\uad6c \uc2dc\uac04\uc744 \ubcf4\uc7a5\ud558\uba70, \uc774\ub294 \ud1b5\uc2e0 \uc0ac\uc5c5\uc790 \uc218\uc900\uc758 \uc2e0\ub8b0\uc131 \ud655\ubcf4\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

    \u27a1\ufe0f \ub77c\ubca8 \uc2a4\uc704\uce58\ub4dc \uacbd\ub85c(LSP) \uae30\ubc18 \ub124\ud2b8\uc6cc\ud06c\uc758 \uc7a5\uc810<\/h2>\n\n\n\n
    \n\n<\/colgroup>

    \uc774\uc810<\/p><\/th>

    \uc124\uba85<\/p><\/th><\/tr>

    \uacb0\uc815\ub860\uc801 \ub77c\uc6b0\ud305<\/strong><\/p><\/td>

    LSP\ub294 \uc815\uc758\ub41c \uacbd\ub85c\ub97c \ub530\ub974\ubbc0\ub85c \uc608\uce21 \uac00\ub2a5\uc131\uacfc \uc131\ub2a5\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4.<\/p><\/td><\/tr>

    \ud655\uc7a5\uc131<\/strong><\/p><\/td>

    \ub77c\ubca8 \uae30\ubc18 \uc804\ub2ec \ubc29\uc2dd\uc740 \ub77c\uc6b0\ud305 \ud14c\uc774\ube14\uc744 \ub2e8\uc21c\ud654\ud558\uc5ec \ub300\uaddc\ubaa8 \ub124\ud2b8\uc6cc\ud06c \uad6c\ucd95\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p><\/td><\/tr>

    QoS \uc81c\uc5b4<\/strong><\/p><\/td>

    \ud2b8\ub798\ud53d \ud074\ub798\uc2a4\ubcc4 \ud2b9\uc815 \ub77c\ubca8 \ud560\ub2f9\uc744 \ud1b5\ud574 \ucc28\ubcc4\ud654\ub41c \uc11c\ube44\uc2a4\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p><\/td><\/tr>

    \uc2e0\uc18d\ud55c \uc7a5\uc560 \ubcf5\uad6c<\/strong><\/p><\/td>

    \ubc31\uc5c5 LSP\ub97c \ud1b5\ud574 \ube60\ub978 \ubcf5\uad6c \ubc0f \ub370\uc774\ud130 \ud750\ub984\uc758 \uc911\ub2e8 \uc5c6\uc74c\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p><\/td><\/tr>

    \uc0c1\ud638 \uc6b4\uc6a9\uc131<\/strong><\/p><\/td>

    LSP\ub294 IP, \uc774\ub354\ub137 \ubc0f \uad11 \uacc4\uce35 \uae30\uc220\uacfc \ud638\ud658\ub429\ub2c8\ub2e4.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

    \u27a1\ufe0f LSP\uc640 \ubb3c\ub9ac \uacc4\uce35: LINK-PP \uc5f0\uacb0<\/h2>\n\n\n\n

    LSP\ub294 \ub17c\ub9ac \uacc4\uce35\uc5d0\uc11c \uc791\ub3d9\ud558\uc9c0\ub9cc, \uadf8 \uc131\ub2a5\uc740 \ud558\uc704 \ubb3c\ub9ac\uc801 \uc5f0\uacb0\uc758 \uc2e0\ub8b0\uc131\uacfc \ubb34\uacb0\uc131\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4.<\/strong>.<\/p>\n\n\n\n

    LINK-PP\uc758<\/a> \uace0\uc131\ub2a5 \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong> \ubc0f \ud1b5\ud569\ud615 RJ45 \ucee4\ub125\ud130<\/strong> LINK-PP\ub294 MPLS \uae30\ubc18 \ub77c\ubca8 \uc2a4\uc704\uce58\ub4dc \uacbd\ub85c(LSP)\uc5d0 \uc548\uc815\uc801\uc778 \ubb3c\ub9ac\uc801 \uae30\ubc18\uc744 \uc81c\uacf5\ud558\uc5ec \ub370\uc774\ud130\uc13c\ud130 \ubc0f \ud1b5\uc2e0\ub9dd \uc804\ubc18\uc5d0 \uac78\uccd0 \ub0ae\uc740 \uc9c0\uc5f0 \uc2dc\uac04\uacfc \ub192\uc740 \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    \uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n