{"id":478066,"date":"2023-08-09T09:26:45","date_gmt":"2023-08-09T09:26:45","guid":{"rendered":""},"modified":"2023-09-05T11:16:00","modified_gmt":"2023-09-05T11:16:00","slug":"mpls","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/mpls\/","title":{"rendered":"MPLS"},"content":{"rendered":"<p>MPLS \u306f\u3001\u30de\u30eb\u30c1\u30d7\u30ed\u30c8\u30b3\u30eb \u30e9\u30d9\u30eb \u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306e\u7565\u3067\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u5f37\u5316\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u73fe\u4ee3\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u4f7f\u7528\u3055\u308c\u308b\u591a\u7528\u9014\u3067\u52b9\u7387\u7684\u306a\u30c6\u30af\u30ce\u30ed\u30b8\u3067\u3059\u3002\u5f93\u6765\u306e IP \u30d9\u30fc\u30b9\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u5236\u9650\u306b\u5bfe\u51e6\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001\u3092\u9ad8\u901f\u5316\u3057\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3068\u30b5\u30fc\u30d3\u30b9\u54c1\u8cea (QoS) \u6a5f\u80fd\u306e\u5b9f\u88c5\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002MPLS \u306f\u30c7\u30fc\u30bf \u30d1\u30b1\u30c3\u30c8\u306e\u51e6\u7406\u65b9\u6cd5\u306b\u9769\u547d\u3092\u3082\u305f\u3089\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4e16\u754c\u3067\u306f\u91cd\u8981\u306a\u8981\u7d20\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>MPLS \u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>MPLS \u306e\u6b74\u53f2\u306f\u3001\u30b7\u30b9\u30b3\u30b7\u30b9\u30c6\u30e0\u30ba\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u7814\u7a76\u8005\u304c\u521d\u3081\u3066\u3053\u306e\u6982\u5ff5\u3092\u5c0e\u5165\u3057\u305f 1990 \u5e74\u4ee3\u5f8c\u534a\u306b\u307e\u3067\u9061\u308a\u307e\u3059\u3002MPLS \u306e\u521d\u671f\u958b\u767a\u306f\u3001\u6210\u9577\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3057\u305f\u30021996 \u5e74\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30d1\u30a4\u30aa\u30cb\u30a2\u3067\u3042\u308b Yakov Rekhter \u6c0f\u3068 Eric Rosen \u6c0f\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u6280\u8853\u30bf\u30b9\u30af \u30d5\u30a9\u30fc\u30b9 (IETF) \u306e\u30c9\u30e9\u30d5\u30c8 \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3001MPLS \u306e\u57fa\u672c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3057\u3066\u300c\u30e9\u30d9\u30eb \u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u300d\u3068\u3044\u3046\u30a2\u30a4\u30c7\u30a2\u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u304c MPLS \u306b\u95a2\u3059\u308b\u6700\u521d\u306e\u6b63\u5f0f\u306a\u8a00\u53ca\u3068\u306a\u308a\u3001\u5c06\u6765\u306e\u958b\u767a\u306e\u57fa\u790e\u304c\u7bc9\u304b\u308c\u307e\u3057\u305f\u3002<\/p>\n<h2>MPLS \u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831: \u30c8\u30d4\u30c3\u30af\u306e\u62e1\u5f35 MPLS<\/h2>\n<p>MPLS \u306f\u3001OSI \u30e2\u30c7\u30eb\u306e\u5f93\u6765\u306e\u30ec\u30a4\u30e4\u30fc 2 (\u30c7\u30fc\u30bf \u30ea\u30f3\u30af \u30ec\u30a4\u30e4\u30fc) \u3068\u30ec\u30a4\u30e4\u30fc 3 (\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30ec\u30a4\u30e4\u30fc) \u306e\u9593\u3067\u52d5\u4f5c\u3057\u3001\u300c\u30e9\u30d9\u30eb \u30b9\u30a4\u30c3\u30c1 \u30d1\u30b9\u300d(LSP) \u3068\u547c\u3070\u308c\u308b\u4e2d\u9593\u30ec\u30a4\u30e4\u30fc\u3092\u5f62\u6210\u3057\u307e\u3059\u3002\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6c7a\u5b9a\u306b IP \u30a2\u30c9\u30ec\u30b9\u306e\u307f\u306b\u4f9d\u5b58\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001MPLS \u3067\u306f\u30c7\u30fc\u30bf \u30d1\u30b1\u30c3\u30c8\u306b\u6dfb\u4ed8\u3055\u308c\u308b\u30e9\u30d9\u30eb\u3092\u5c0e\u5165\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30e9\u30d9\u30eb\u306f\u3001MPLS \u5bfe\u5fdc\u30eb\u30fc\u30bf\u30fc\u306b\u3088\u3063\u3066\u4f7f\u7528\u3055\u308c\u3001\u8ee2\u9001\u306e\u6c7a\u5b9a\u3092\u8fc5\u901f\u304b\u3064\u52b9\u7387\u7684\u306b\u884c\u3044\u307e\u3059\u3002\u30e9\u30d9\u30eb \u30d9\u30fc\u30b9\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001\u304c\u3088\u308a\u5408\u7406\u5316\u3055\u308c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30d7\u30ec\u30fc\u30f3\u304c\u7c21\u7d20\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>MPLS \u306e\u5185\u90e8\u69cb\u9020: MPLS \u306e\u4ed5\u7d44\u307f<\/h2>\n<p>MPLS \u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u305d\u306e\u5185\u90e8\u69cb\u9020\u3092\u8a73\u3057\u304f\u8abf\u3079\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30c7\u30fc\u30bf \u30d1\u30b1\u30c3\u30c8\u304c MPLS \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5165\u308b\u3068\u3001\u5165\u53e3\u30eb\u30fc\u30bf\u30fc\u306b\u3088\u3063\u3066\u30e9\u30d9\u30eb\u304c\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u30e9\u30d9\u30eb\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u901a\u904e\u3059\u308b\u969b\u306b\u4e8b\u524d\u306b\u6c7a\u3081\u3089\u308c\u305f\u30d1\u30b9\u3092\u8868\u3059\u77ed\u3044\u8b58\u5225\u5b50\u3067\u3059\u3002\u30e9\u30d9\u30eb\u306e\u4ed8\u3044\u305f\u30d1\u30b1\u30c3\u30c8\u304c\u4e2d\u9593\u30eb\u30fc\u30bf\u30fc\u3092\u901a\u904e\u3059\u308b\u3068\u3001\u4e2d\u9593\u30eb\u30fc\u30bf\u30fc\u306f\u5b9b\u5148 IP \u30a2\u30c9\u30ec\u30b9\u3092\u5206\u6790\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001MPLS \u30e9\u30d9\u30eb\u306b\u57fa\u3065\u3044\u3066\u30d1\u30b1\u30c3\u30c8\u3092\u5207\u308a\u66ff\u3048\u307e\u3059\u3002<\/p>\n<p>\u30e9\u30d9\u30eb \u30b9\u30a4\u30c3\u30c1\u30f3\u30b0 \u30d7\u30ed\u30bb\u30b9\u306f\u9ad8\u901f\u3067\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081\u3001MPLS \u306f\u901f\u5ea6\u3068\u52b9\u7387\u304c\u91cd\u8981\u306a\u30b7\u30ca\u30ea\u30aa\u306b\u6700\u9069\u3067\u3059\u3002\u30e9\u30d9\u30eb\u4ed8\u304d\u30d1\u30b1\u30c3\u30c8\u304c\u51fa\u529b\u30eb\u30fc\u30bf\u306b\u5230\u9054\u3059\u308b\u3068\u3001\u30e9\u30d9\u30eb\u304c\u524a\u9664\u3055\u308c\u3001\u30d1\u30b1\u30c3\u30c8\u306f\u5f93\u6765\u306e IP \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u57fa\u3065\u3044\u3066\u6700\u7d42\u5b9b\u5148\u306b\u8ee2\u9001\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>MPLS\u306e\u4e3b\u306a\u7279\u5fb4\u306e\u5206\u6790<\/h2>\n<p>MPLS \u306b\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30aa\u30da\u30ec\u30fc\u30bf\u306b\u4eba\u6c17\u306e\u3042\u308b\u9078\u629e\u80a2\u3068\u306a\u308b\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0<\/strong>: MPLS \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u7279\u5b9a\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u901a\u904e\u3059\u308b\u30d1\u30b9\u3092\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u7528\u7387\u304c\u6700\u9069\u5316\u3055\u308c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b5\u30fc\u30d3\u30b9\u54c1\u8cea (QoS)<\/strong>MPLS \u306f\u3001\u7279\u5b9a\u306e\u7a2e\u985e\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u512a\u5148\u3059\u308b\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067 QoS \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u97f3\u58f0\u3084\u30d3\u30c7\u30aa\u306a\u3069\u306e\u91cd\u8981\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/strong>MPLS \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3084\u63a5\u7d9a\u30c7\u30d0\u30a4\u30b9\u306e\u6570\u304c\u5927\u5e45\u306b\u5897\u52a0\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u52b9\u7387\u7684\u306b\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9ad8\u901f\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001<\/strong>: \u30e9\u30d9\u30eb\u30d9\u30fc\u30b9\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306b\u3088\u308a\u3001MPLS \u306f\u30d1\u30b1\u30c3\u30c8\u3092\u9ad8\u901f\u306b\u8ee2\u9001\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u9045\u5ef6\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af (VPN)<\/strong>MPLS \u306f\u3001\u5730\u7406\u7684\u306b\u5206\u6563\u3057\u305f\u30b5\u30a4\u30c8\u9593\u306e\u901a\u4fe1\u3092\u5bb9\u6613\u306b\u3057\u3001\u5b89\u5168\u3067\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>MPLS\u306e\u7a2e\u985e<\/h2>\n<p>MPLS \u306f\u3001\u305d\u306e\u7528\u9014\u3068\u6a5f\u80fd\u306b\u57fa\u3065\u3044\u3066\u3055\u307e\u3056\u307e\u306a\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002MPLS \u306e\u4e3b\u306a\u30bf\u30a4\u30d7\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30bf\u30a4\u30d7<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>MPLS LDP<\/strong><\/td>\n<td>\u30e9\u30d9\u30eb\u914d\u5e03\u30d7\u30ed\u30c8\u30b3\u30eb (LDP) \u3092\u4f7f\u7528\u3057\u305f MPLS \u306b\u3088\u308a\u3001\u81ea\u52d5\u30e9\u30d9\u30eb\u5272\u308a\u5f53\u3066\u3068\u914d\u5e03\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>MPLS RSVP-TE<\/strong><\/td>\n<td>\u30ea\u30bd\u30fc\u30b9\u4e88\u7d04\u30d7\u30ed\u30c8\u30b3\u30eb (RSVP-TE) \u3092\u5099\u3048\u305f MPLS \u3067\u306f\u3001\u660e\u793a\u7684\u306a\u30d1\u30b9\u5236\u5fa1\u3068\u5e2f\u57df\u5e45\u306e\u4e88\u7d04\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>MPLS VPN<\/strong><\/td>\n<td>MPLS \u30d9\u30fc\u30b9\u306e\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af (VPN) \u306f\u3001\u5171\u6709\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u4e0a\u306b\u5b89\u5168\u3067\u5206\u96e2\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>MPLS \u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0<\/strong><\/td>\n<td>MPLS-TE \u306f\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30d1\u30b9\u3092\u6700\u9069\u5316\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u52b9\u7387\u3092\u9ad8\u3081\u308b\u3053\u3068\u306b\u91cd\u70b9\u3092\u7f6e\u3044\u3066\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>MPLS\u306e\u5229\u7528\u65b9\u6cd5\u3001\u5229\u7528\u306b\u4f34\u3046\u554f\u984c\u70b9\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/h2>\n<p>MPLS \u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3055\u307e\u3056\u307e\u306a\u30b7\u30ca\u30ea\u30aa\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>MPLS \u306f\u3001\u5927\u898f\u6a21\u306a\u7d44\u7e54\u3067\u3001\u8907\u6570\u306e\u30d6\u30e9\u30f3\u30c1\u3084\u30c7\u30fc\u30bf \u30bb\u30f3\u30bf\u30fc\u3092\u63a5\u7d9a\u3059\u308b\u5b89\u5168\u3067\u52b9\u7387\u7684\u306a\u30ef\u30a4\u30c9 \u30a8\u30ea\u30a2 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af (WAN) \u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc (ISP)<\/strong>ISP \u306f MPLS \u3092\u4f7f\u7528\u3057\u3066\u3001QoS \u4fdd\u8a3c\u4ed8\u304d\u306e MPLS \u30d9\u30fc\u30b9\u306e VPN \u306a\u3069\u3001\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u67d4\u8edf\u306a\u30b5\u30fc\u30d3\u30b9\u3092\u9867\u5ba2\u306b\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30e2\u30d0\u30a4\u30eb\u30d0\u30c3\u30af\u30db\u30fc\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>MPLS \u306f\u3001\u30e2\u30d0\u30a4\u30eb \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u30bb\u30eb \u30bf\u30ef\u30fc\u304b\u3089\u30b3\u30a2 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u8ee2\u9001\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc<\/strong>MPLS \u306f\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u5185\u306e\u30b5\u30fc\u30d0\u30fc\u3068\u30b9\u30c8\u30ec\u30fc\u30b8 \u30c7\u30d0\u30a4\u30b9\u9593\u306e\u52b9\u7387\u7684\u306a\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u305f\u3060\u3057\u3001\u4ed6\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u540c\u69d8\u306b\u3001MPLS \u306b\u3082\u8ab2\u984c\u304c\u3042\u308a\u307e\u3059\u3002MPLS \u306e\u4f7f\u7528\u306b\u95a2\u9023\u3059\u308b\u4e00\u822c\u7684\u306a\u554f\u984c\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u8907\u96d1<\/strong>MPLS \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b9f\u88c5\u306f\u8907\u96d1\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u719f\u7df4\u3057\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6599\u91d1<\/strong>MPLS \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u8a2d\u5b9a\u306f\u3001\u7279\u306b\u5c0f\u898f\u6a21\u306a\u7d44\u7e54\u306e\u5834\u5408\u3001\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d9\u30f3\u30c0\u30fc\u306e\u76f8\u4e92\u904b\u7528\u6027<\/strong>: \u30d9\u30f3\u30c0\u30fc\u306b\u3088\u3063\u3066 MPLS \u6a5f\u80fd\u304c\u7570\u306a\u3063\u3066\u5b9f\u88c5\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u4e92\u63db\u6027\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u8ab2\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001\u7d44\u7e54\u306f\u6b21\u306e\u3053\u3068\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>MPLS\u7ba1\u7406\u306e\u30a2\u30a6\u30c8\u30bd\u30fc\u30b7\u30f3\u30b0<\/strong>\u4e2d\u5c0f\u4f01\u696d\u306f\u3001\u8907\u96d1\u3055\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\u30de\u30cd\u30fc\u30b8\u30c9 MPLS \u30b5\u30fc\u30d3\u30b9\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b3\u30b9\u30c8\u6700\u9069\u5316<\/strong>: \u614e\u91cd\u306b\u8a08\u753b\u3092\u7acb\u3066\u3001\u4fe1\u983c\u3067\u304d\u308b\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3068\u5354\u529b\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30b9\u30c8\u3092\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6a19\u6e96\u5316<\/strong>: \u7d44\u7e54\u306f\u30d9\u30f3\u30c0\u30fc\u306e\u76f8\u4e92\u904b\u7528\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u696d\u754c\u6a19\u6e96\u306b\u5f93\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<p>MPLS \u306e\u4e3b\u306a\u7279\u5fb4\u3068\u540c\u69d8\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7528\u8a9e\u3068\u306e\u6bd4\u8f03\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001<\/strong><\/td>\n<td>MPLS \u306f\u3001\u51e6\u7406\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u306b\u30e9\u30d9\u30eb\u30d9\u30fc\u30b9\u306e\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30e9\u30d9\u30eb\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0<\/strong><\/td>\n<td>\u30e9\u30d9\u30eb \u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306f\u3001MPLS \u306b\u56fa\u6709\u306e\u4e2d\u6838\u6982\u5ff5\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0<\/strong><\/td>\n<td>MPLS \u306f\u3001IP \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u6bd4\u8f03\u3057\u3066\u52b9\u7387\u7684\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>QoS \u30b5\u30dd\u30fc\u30c8<\/strong><\/td>\n<td>MPLS \u306f\u3001\u5f93\u6765\u306e IP \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u6bd4\u8f03\u3057\u3066\u5f37\u529b\u306a QoS \u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>MPLS\u306b\u95a2\u3059\u308b\u4eca\u5f8c\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u9032\u5316\u3057\u7d9a\u3051\u308b\u4e2d\u3001MPLS \u306f\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u57fa\u672c\u7684\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308a\u7d9a\u3051\u308b\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001MPLS \u306b\u95a2\u9023\u3059\u308b\u65b0\u3057\u3044\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u5c55\u671b\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30bb\u30b0\u30e1\u30f3\u30c8 \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 (SR)<\/strong>SR \u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u3092\u7c21\u7d20\u5316\u3057\u3001\u67d4\u8edf\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b MPLS \u30d9\u30fc\u30b9\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5b9a\u7fa9\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0 (SDN)<\/strong>SDN \u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5236\u5fa1\u3092\u96c6\u4e2d\u5316\u3057\u3001\u52d5\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u5272\u308a\u5f53\u3066\u3092\u53ef\u80fd\u306b\u3059\u308b\u3053\u3068\u3067 MPLS \u3092\u88dc\u5b8c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a4\u30f3\u30c6\u30f3\u30c8\u30d9\u30fc\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0 (IBN)<\/strong>IBN \u306f AI \u3068\u81ea\u52d5\u5316\u3092\u6d3b\u7528\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u52d5\u4f5c\u3092\u30d3\u30b8\u30cd\u30b9\u306e\u610f\u56f3\u306b\u5408\u308f\u305b\u3001MPLS \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u3092\u5f37\u5316\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>IPv6\u306e\u7d71\u5408<\/strong>IPv6 \u306e\u63a1\u7528\u304c\u5897\u52a0\u3059\u308b\u306b\u3064\u308c\u3066\u3001MPLS \u306f IPv6 \u30d9\u30fc\u30b9\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u52b9\u679c\u7684\u306b\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3092MPLS\u3067\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u307e\u305f\u306fMPLS\u3068\u95a2\u9023\u4ed8\u3051\u308b\u65b9\u6cd5<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068 MPLS \u3092\u4f75\u7528\u3059\u308b\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u5f37\u5316\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092 MPLS \u306b\u95a2\u9023\u4ed8\u3051\u308b\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30b3\u30f3\u30c6\u30f3\u30c4\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3001MPLS \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u91cf\u3092\u524a\u6e1b\u3057\u3066\u5e2f\u57df\u5e45\u306e\u4f7f\u7528\u3092\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316<\/strong>\u30d7\u30ed\u30ad\u30b7\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001MPLS \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5c64\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f4d\u7f6e\u60c5\u5831\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong>\u30d7\u30ed\u30ad\u30b7\u306f\u5730\u7406\u7684\u4f4d\u7f6e\u306b\u57fa\u3065\u3044\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u3001MPLS \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30d5\u30ed\u30fc\u3092\u6700\u9069\u5316\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u8907\u6570\u306e MPLS \u30ea\u30f3\u30af\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5206\u6563\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u52b9\u7387\u3068\u56de\u5fa9\u529b\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>MPLS \u304a\u3088\u3073\u95a2\u9023\u30c8\u30d4\u30c3\u30af\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/datatracker.ietf.org\/wg\/mpls\/documents\/\" target=\"_new\" rel=\"noopener nofollow\">IETF MPLS\u30ef\u30fc\u30ad\u30f3\u30b0\u30b0\u30eb\u30fc\u30d7<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/tech\/ios-nx-os-software\/multiprotocol-label-switching-mpls\/white_paper_c11-559048.html\" target=\"_new\" rel=\"noopener nofollow\">Cisco MPLS \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u6982\u8981<\/a><\/li>\n<li><a href=\"https:\/\/www.juniper.net\/documentation\/en_US\/mpls\/topics\/concept\/mpls-mpls-overview.html\" target=\"_new\" rel=\"noopener nofollow\">\u30b8\u30e5\u30cb\u30d1\u30fc\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9 MPLS \u30ea\u30bd\u30fc\u30b9 \u30bb\u30f3\u30bf\u30fc<\/a><\/li>\n<\/ol>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001MPLS \u306f\u3001\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u7d9a\u3051\u3066\u3044\u308b\u5f37\u529b\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3067\u3059\u3002\u30e9\u30d9\u30eb \u30d9\u30fc\u30b9\u306e\u8ee2\u9001\u3068\u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u6a5f\u80fd\u306b\u3088\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u52b9\u7387\u6027\u306e\u305f\u3081\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u6700\u9069\u5316\u3057\u305f\u3044\u4f01\u696d\u3084\u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u3068\u3063\u3066\u3001MPLS \u306f\u597d\u307e\u3057\u3044\u9078\u629e\u80a2\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u9032\u6b69\u3059\u308b\u306b\u3064\u308c\u3001MPLS \u306f\u9032\u5316\u3092\u7d9a\u3051\u3001\u30c7\u30b8\u30bf\u30eb\u4e16\u754c\u306e\u7d76\u3048\u305a\u5909\u5316\u3059\u308b\u9700\u8981\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u9069\u5fdc\u3057\u3066\u3044\u304f\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478066","wiki","type-wiki","status-publish","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>MPLS: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is MPLS?","answer":"<p>MPLS, which stands for Multiprotocol Label Switching, is an advanced networking technology that improves data forwarding and network performance. It introduces labels to data packets, allowing for faster and more efficient packet forwarding compared to traditional IP-based routing.<\/p>"},{"question":"How did MPLS originate, and when was it first mentioned?","answer":"<p>MPLS was first introduced by engineers and researchers from Cisco Systems in the late 1990s. The initial concept of \"label switching\" as part of MPLS was formally mentioned in a draft document for the Internet Engineering Task Force (IETF) in 1996 by Yakov Rekhter and Eric Rosen.<\/p>"},{"question":"How does MPLS work internally?","answer":"<p>MPLS operates as a middle layer between the OSI Layer 2 and Layer 3. When a data packet enters an MPLS network, a label is attached to it by the ingress router. Routers then switch packets based on these labels rather than analyzing destination IP addresses, resulting in faster packet forwarding.<\/p>"},{"question":"What are the key features of MPLS?","answer":"<p>MPLS offers several key features, including traffic engineering, Quality of Service (QoS) support, scalability, fast packet forwarding, and the ability to create Virtual Private Networks (VPNs) for enhanced security.<\/p>"},{"question":"What are the different types of MPLS?","answer":"<p>MPLS comes in various types based on its applications and functionality. Some common types include MPLS LDP (Label Distribution Protocol), MPLS RSVP-TE (Resource Reservation Protocol - Traffic Engineering), MPLS VPN (Virtual Private Network), and MPLS Traffic Engineering (MPLS-TE).<\/p>"},{"question":"How is MPLS used, and what problems can arise?","answer":"<p>MPLS is used in enterprise networks, ISPs, mobile backhaul networks, and data centers to create efficient and secure connections. Common challenges include complexity, cost, and vendor interoperability. These can be addressed by outsourcing MPLS management, optimizing costs, and adhering to standardization.<\/p>"},{"question":"What are the main characteristics of MPLS compared to similar terms?","answer":"<p>MPLS stands out with its label-based packet forwarding, label switching concept, efficient traffic engineering, and robust QoS support when compared to traditional IP networks.<\/p>"},{"question":"What does the future hold for MPLS?","answer":"<p>In the future, MPLS is likely to remain a fundamental part of networking. Emerging technologies like Segment Routing (SR), Software-Defined Networking (SDN), and Intent-Based Networking (IBN) may complement MPLS, enhancing its capabilities.<\/p>"},{"question":"How can proxy servers be used with MPLS?","answer":"<p>Proxy servers can enhance MPLS networks by providing content filtering, improved security, geolocation routing, and load balancing. They work as intermediaries between clients and servers, optimizing traffic flow within the MPLS network.<\/p><p>Explore the power of MPLS and its potential to revolutionize your network!<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/478066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/478066\/revisions"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=478066"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}