{"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\/ja\/glossary\/label-switched-paths-lsps-in-mpls-networks","title":{"rendered":"MPLS\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u30e9\u30d9\u30eb\u8ee2\u9001\u30d1\u30b9\uff08LSP\uff09\u306e\u7406\u89e3"},"content":{"rendered":"
\"What<\/figure>\n\n\n\n

\u73fe\u4ee3\u306eIP\u304a\u3088\u3073\u5149\u901a\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u3001, \u30e9\u30d9\u30eb\u30b9\u30a4\u30c3\u30c1\u30c9\u30d1\u30b9\uff08LSP\uff09<\/strong> \u8ad6\u7406\u7684\u306a\u57fa\u76e4\u3092\u69cb\u6210\u3057\u307e\u3059\u3002 MPLS\uff08\u30de\u30eb\u30c1\u30d7\u30ed\u30c8\u30b3\u30eb\u30e9\u30d9\u30eb\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\uff09<\/strong><\/a> \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u30c7\u30fc\u30bf\u30d1\u30b1\u30c3\u30c8\u304c\u30eb\u30fc\u30bf\u30fc\u304a\u3088\u3073\u30b9\u30a4\u30c3\u30c1\u3092\u901a\u904e\u3059\u308b\u7d4c\u8def\u3092\u5b9a\u7fa9\u3057\u3001\u4e88\u6e2c\u53ef\u80fd\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u4f4e\u9045\u5ef6\u3001\u304a\u3088\u3073\u6700\u9069\u5316\u3055\u308c\u305f\u5e2f\u57df\u5e45\u5229\u7528\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

\u27a1\ufe0f LSP\u3068\u306f\uff1f<\/h2>\n\n\n\n

A \u30e9\u30d9\u30eb\u30b9\u30a4\u30c3\u30c1\u30c9\u30d1\u30b9\uff08LSP\uff09<\/strong> \u306f\u3001MPLS\u30d1\u30b1\u30c3\u30c8\u304c\u901a\u904e\u3059\u308b\u4e8b\u524d\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u4e00\u9023\u306e\u30eb\u30fc\u30bf\u30fc\u3067\u3059\u3002\u3053\u306e\u7d4c\u8def\u4e0a\u306e\u5404\u30eb\u30fc\u30bf\u30fc\uff08\u3044\u308f\u3086\u308b \u30e9\u30d9\u30eb\u30b9\u30a4\u30c3\u30c1\u30eb\u30fc\u30bf\u30fc\uff08LSR\uff09<\/strong>\uff09\u306f\u3001\u8907\u96d1\u306aIP\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3067\u306f\u306a\u304f\u3001\u77ed\u304f\u56fa\u5b9a\u9577\u306e\u30e9\u30d9\u30eb\u306b\u57fa\u3065\u3044\u3066\u30d1\u30b1\u30c3\u30c8\u3092\u8ee2\u9001\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

\u30d1\u30b1\u30c3\u30c8\u304cMPLS\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u9032\u5165\u3059\u308b\u3068\u3001\u5165\u53e3\u30eb\u30fc\u30bf\u30fc\uff08\u30a4\u30f3\u30b0\u30ec\u30b9\u30eb\u30fc\u30bf\u30fc\uff09\u306f\u305d\u306e\u5b9b\u5148\u304a\u3088\u3073\u30b5\u30fc\u30d3\u30b9\u30af\u30e9\u30b9\u3092\u8b58\u5225\u3059\u308b\u30e9\u30d9\u30eb\u3092\u4ed8\u4e0e\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30d1\u30b1\u30c3\u30c8\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u3092\u901a\u904e\u3059\u308b\u969b\u3001\u4e2d\u9593\u306eLSR\u306f\u3053\u306e\u30e9\u30d9\u30eb\u3092\u7528\u3044\u3066\u30d1\u30b1\u30c3\u30c8\u3092\u8fc5\u901f\u306b\u6b63\u3057\u3044\u9001\u51fa\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3078\u30b9\u30a4\u30c3\u30c1\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u51fa\u53e3\u30eb\u30fc\u30bf\u30fc\uff08\u30a8\u30b0\u30ec\u30b9\u30eb\u30fc\u30bf\u30fc\uff09\u304c\u30e9\u30d9\u30eb\u3092\u9664\u53bb\u3057\u3001\u30d1\u30b1\u30c3\u30c8\u3092\u6700\u7d42\u5b9b\u5148\u3078\u8ee2\u9001\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

\u3053\u306e\u30e9\u30d9\u30eb\u30d9\u30fc\u30b9\u306e\u8ee2\u9001\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u308a\u3001 \u9ad8\u901f\u306a\u30d1\u30b1\u30c3\u30c8\u914d\u4fe1\u3001<\/strong>, \u4e88\u6e2c\u53ef\u80fd\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u52d5\u4f5c\u3001<\/strong>, \u304a\u3088\u3073 \u7d30\u304b\u3044\u7c92\u5ea6\u3067\u306eQoS\u5236\u5fa1<\/strong>\u2014\u5f93\u6765\u306eIP\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u5bfe\u3059\u308b\u4e3b\u8981\u306a\u5229\u70b9\u2014\u304c\u5b9f\u73fe\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n

\u27a1\ufe0f LSP\u306e\u52d5\u4f5c\u624b\u9806\uff08\u30b9\u30c6\u30c3\u30d7\u30fb\u30d0\u30a4\u30fb\u30b9\u30c6\u30c3\u30d7\uff09<\/h2>\n\n\n\n
    \n

  1. \u30a4\u30f3\u30b0\u30ec\u30b9\u30e9\u30d9\u30ea\u30f3\u30b0<\/strong> \u2013 \u30a4\u30f3\u30b0\u30ec\u30b9\u30e9\u30d9\u30eb\u30a8\u30c3\u30b8\u30eb\u30fc\u30bf\u30fc\uff08LER\uff09\u304c\u7740\u4fe1IP\u30d1\u30b1\u30c3\u30c8\u3092\u5206\u985e\u3057\u3001\u305d\u306eLSP\u3092\u5b9a\u7fa9\u3059\u308b MPLS\u30e9\u30d9\u30eb<\/a> \u3092\u4ed8\u52a0\u3057\u307e\u3059\u3002.<\/p><\/li>

  2. \u30e9\u30d9\u30eb\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0<\/strong> \u2013 \u5404\u4e2d\u9593LSR\u304c\u30e9\u30d9\u30eb\u3092\u691c\u67fb\u3057\u3001\u8ee2\u9001\u30c6\u30fc\u30d6\u30eb\u306b\u5f93\u3063\u3066\u65b0\u3057\u3044\u30e9\u30d9\u30eb\u306b\u4ea4\u63db\u3057\u305f\u5f8c\u3001\u30d1\u30b1\u30c3\u30c8\u3092\u6b21\u306e\u30db\u30c3\u30d7\u3078\u9001\u4fe1\u3057\u307e\u3059\u3002.<\/p><\/li>

  3. \u30a8\u30b0\u30ec\u30b9\u30c7\u30ab\u30d7\u30bb\u30eb\u5316<\/strong> \u2013 \u30a8\u30b0\u30ec\u30b9LER\u304c\u30e9\u30d9\u30eb\u3092\u9664\u53bb\u3057\u3001IP\u30d1\u30b1\u30c3\u30c8\u3092\u6b21\u306e\u5b9b\u5148\u3078\u8ee2\u9001\u3057\u307e\u3059\u3002.<\/p><\/li>\n<\/ol>\n\n\n\n

    \u3053\u306e\u7d4c\u8def\u306f\u3001 LDP\uff08\u30e9\u30d9\u30eb\u914d\u5e03\u30d7\u30ed\u30c8\u30b3\u30eb\uff09<\/strong> \u307e\u305f\u306f\u660e\u793a\u7684\u306b\u5b9a\u7fa9\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\uff08TE\uff09<\/strong> \u6280\u8853\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/span> RSVP-TE\uff08Resource Reservation Protocol\u2013Traffic Engineering\uff1a\u30ea\u30bd\u30fc\u30b9\u78ba\u4fdd\u30d7\u30ed\u30c8\u30b3\u30eb\uff0d\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\uff09<\/strong>.<\/p>\n\n\n\n

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

    \u27a1\ufe0f \u73fe\u4ee3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308bLSP\u306e\u5fdc\u7528<\/h2>\n\n\n\n

    MPLS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\uff08TE\uff09<\/h3>\n\n\n\n

    LSP\u306b\u3088\u308a\u3001\u904b\u7528\u8005\u306f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d5\u30ed\u30fc\u3092\u5236\u5fa1\u3057\u3001\u5e2f\u57df\u5e45\u3092\u8ce2\u304f\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u6df7\u96d1\u3092\u56de\u907f\u3059\u308b\u7d4c\u8def\u3092\u9078\u629e\u3057\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u3001\u8907\u6570\u306e\u30ea\u30f3\u30af\u9593\u3067\u5229\u7528\u72b6\u6cc1\u3092\u30d0\u30e9\u30f3\u30b9\u3088\u304f\u5206\u6563\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n

    VPN\u30b5\u30fc\u30d3\u30b9\uff08L3VPN\uff0fL2VPN\uff09<\/h3>\n\n\n\n

    MPLS VPN\u3067\u306f\u3001LSP\u3092\u7528\u3044\u3066\u9867\u5ba2\u30b5\u30a4\u30c8\u9593\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5206\u96e2\u30fb\u4fdd\u8b77\u3057\u307e\u3059\u3002\u5404 VPN<\/a> \u72ec\u81ea\u306eLSP\uff08\u30e9\u30d9\u30eb\u4ea4\u63db\u30d1\u30b9\uff09\u3092\u5099\u3048\u3066\u304a\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

    \u30b5\u30fc\u30d3\u30b9\u54c1\u8cea\uff08QoS\uff09<\/h3>\n\n\n\n

    \u7279\u5b9a\u306e\u30e9\u30d9\u30eb\u3092\u30b5\u30fc\u30d3\u30b9\u30af\u30e9\u30b9\u306b\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u3067\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306fVoIP\u306a\u3069\u306e\u9045\u5ef6\u306b\u654f\u611f\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u512a\u5148\u3067\u304d\u307e\u3059\u3002 VoIP<\/a>, \u3001\u30d3\u30c7\u30aa\u4f1a\u8b70\u3001\u307e\u305f\u306f\u7523\u696d\u7528IoT\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u3059\u3002.<\/p>\n\n\n\n

    \u30d5\u30a1\u30b9\u30c8\u30fb\u30ea\u30eb\u30fc\u30c8\uff08FRR\uff09<\/h3>\n\n\n\n

    \u4e8b\u524d\u306b\u78ba\u7acb\u3055\u308c\u305f\u30d0\u30c3\u30af\u30a2\u30c3\u30d7LSP\u306b\u3088\u308a\u3001\u30ea\u30f3\u30af\u307e\u305f\u306f\u30ce\u30fc\u30c9\u969c\u5bb3\u767a\u751f\u6642\u306b50ms\u672a\u6e80\u306e\u5fa9\u65e7\u6642\u9593\u3092\u5b9f\u73fe\u2014\u30ad\u30e3\u30ea\u30a2\u30b0\u30ec\u30fc\u30c9\u306e\u4fe1\u983c\u6027\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n\n\n\n

    \u27a1\ufe0f LSP\u30d9\u30fc\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5229\u70b9<\/h2>\n\n\n\n
    \n\n<\/colgroup>

    \u30b3\u30b9\u30c8\u52b9\u7387<\/p><\/th>

    \u8aac\u660e<\/p><\/th><\/tr>

    \u78ba\u5b9a\u7684\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong><\/p><\/td>

    LSP\u306f\u5b9a\u7fa9\u3055\u308c\u305f\u7d4c\u8def\u306b\u5f93\u3063\u3066\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001\u4e88\u6e2c\u53ef\u80fd\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002.<\/p><\/td><\/tr>

    \u62e1\u5f35\u6027<\/strong><\/p><\/td>

    \u30e9\u30d9\u30eb\u30d9\u30fc\u30b9\u306e\u8ee2\u9001\u306b\u3088\u308a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u304c\u7c21\u7d20\u5316\u3055\u308c\u3001\u5927\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/p><\/td><\/tr>

    QoS\u5236\u5fa1<\/strong><\/p><\/td>

    \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30af\u30e9\u30b9\u3054\u3068\u306b\u7279\u5b9a\u306e\u30e9\u30d9\u30eb\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u3067\u3001\u5dee\u5225\u5316\u30b5\u30fc\u30d3\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002.<\/p><\/td><\/tr>

    \u9ad8\u901f\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc<\/strong><\/p><\/td>

    \u30d0\u30c3\u30af\u30a2\u30c3\u30d7LSP\u306b\u3088\u308a\u3001\u8fc5\u901f\u306a\u5fa9\u65e7\u3068\u9014\u5207\u308c\u306e\u306a\u3044\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p><\/td><\/tr>

    \u76f8\u4e92\u904b\u7528\u6027<\/strong><\/p><\/td>

    LSP\u306fIP\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3001\u304a\u3088\u3073\u5149\u5c64\u6280\u8853\u3068\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

    \u27a1\ufe0f LSP\u3068\u7269\u7406\u5c64\uff1aLINK-PP\u63a5\u7d9a<\/h2>\n\n\n\n

    LSP\u306f\u8ad6\u7406\u5c64\u3067\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001\u305d\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f \u4e0b\u4f4d\u306e\u7269\u7406\u63a5\u7d9a\u306e\u4fe1\u983c\u6027\u3068\u6574\u5408\u6027<\/strong>.<\/p>\n\n\n\n

    LINK-PP\u793e\u306e<\/a> \u5b9f\u73fe\u3059\u308b \u30aa\u30d7\u30c6\u30a3\u30ab\u30eb\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<\/strong> \u304a\u3088\u3073 \u306b\u7d71\u5408\u3055\u308c\u305fRJ45\u30b3\u30cd\u30af\u30bf<\/strong> \u304c\u3001MPLS\u30d9\u30fc\u30b9\u306e\u30e9\u30d9\u30eb\u4ea4\u63db\u30d1\u30b9\uff08LSP\uff09\u306b\u5b89\u5b9a\u3057\u305f\u7269\u7406\u57fa\u76e4\u3092\u63d0\u4f9b\u3057\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u304a\u3088\u3073\u901a\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u3067\u4f4e\u9045\u5ef6\u30fb\u9ad8\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

    \u305f\u3068\u3048\u3070\uff1a<\/p>\n\n\n\n