{"id":479528,"date":"2023-08-09T10:41:31","date_gmt":"2023-08-09T10:41:31","guid":{"rendered":""},"modified":"2023-09-05T11:18:59","modified_gmt":"2023-09-05T11:18:59","slug":"virtual-private-lan-service","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/virtual-private-lan-service\/","title":{"rendered":"\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8LAN\u30b5\u30fc\u30d3\u30b9"},"content":{"rendered":"<h2>\u5c0e\u5165<\/h2>\n<p>\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 LAN \u30b5\u30fc\u30d3\u30b9 (VPLS) \u306f\u3001\u30ef\u30a4\u30c9 \u30a8\u30ea\u30a2 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af (WAN) \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u4e0a\u3067\u30ed\u30fc\u30ab\u30eb \u30a8\u30ea\u30a2 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af (LAN) \u306e\u62e1\u5f35\u3092\u5bb9\u6613\u306b\u3059\u308b\u30c6\u30af\u30ce\u30ed\u30b8\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5730\u7406\u7684\u306b\u5206\u6563\u3057\u305f\u30b5\u30a4\u30c8\u304c\u3001\u7269\u7406\u7684\u306a\u5834\u6240\u306b\u95a2\u4fc2\u306a\u304f\u3001\u540c\u3058 LAN \u306e\u4e00\u90e8\u3067\u3042\u308b\u304b\u306e\u3088\u3046\u306b\u901a\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002VPLS \u306f\u3001\u4f01\u696d\u3084\u5927\u4f01\u696d\u3067\u3001\u8907\u6570\u306e\u652f\u793e\u3001\u30c7\u30fc\u30bf \u30bb\u30f3\u30bf\u30fc\u3001\u304a\u3088\u3073\u30ea\u30e2\u30fc\u30c8 \u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b89\u5168\u304b\u3064\u52b9\u7387\u7684\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8LAN\u30b5\u30fc\u30d3\u30b9\u306e\u6b74\u53f2<\/h2>\n<p>VPLS \u306e\u6982\u5ff5\u306f\u3001\u8907\u6570\u306e\u30b5\u30a4\u30c8\u306b\u308f\u305f\u308b\u30b7\u30fc\u30e0\u30ec\u30b9\u306a LAN \u62e1\u5f35\u306e\u5fc5\u8981\u6027\u304c\u660e\u3089\u304b\u306b\u306a\u3063\u305f 1990 \u5e74\u4ee3\u5f8c\u534a\u306b\u307e\u3067\u9061\u308a\u307e\u3059\u3002\u3053\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u306b\u3064\u3044\u3066\u6700\u521d\u306b\u8a00\u53ca\u3057\u305f\u306e\u306f\u30012000 \u5e74\u4ee3\u521d\u982d\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d9\u30f3\u30c0\u30fc\u306e\u30a8\u30f3\u30b8\u30cb\u30a2 \u30b0\u30eb\u30fc\u30d7\u3067\u3057\u305f\u3002VPLS \u306e\u5b9f\u88c5\u3068\u6a19\u6e96\u5316\u306f\u3001MPLS (\u30de\u30eb\u30c1\u30d7\u30ed\u30c8\u30b3\u30eb \u30e9\u30d9\u30eb \u30b9\u30a4\u30c3\u30c1\u30f3\u30b0) \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u62e1\u5f35\u6a5f\u80fd\u3068\u3057\u3066\u52e2\u3044\u3092\u5897\u3057\u59cb\u3081\u307e\u3057\u305f\u3002<\/p>\n<h2>\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8LAN\u30b5\u30fc\u30d3\u30b9\u306e\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>VPLS \u306f\u3001\u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e MPLS \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8 \u30b9\u30a4\u30c3\u30c1\u307e\u305f\u306f\u30d6\u30ea\u30c3\u30b8\u3092\u30a8\u30df\u30e5\u30ec\u30fc\u30c8\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u52d5\u4f5c\u3057\u307e\u3059\u3002\u4eee\u60f3\u30d6\u30ea\u30c3\u30b8 LAN \u3092\u4f5c\u6210\u3057\u3001\u7570\u306a\u308b\u30b5\u30a4\u30c8\u9593\u3067\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u3092\u900f\u904e\u7684\u306b\u8ee2\u9001\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002VPLS \u306f\u3001\u30c7\u30fc\u30bf\u304c\u6b63\u3057\u3044\u5b9b\u5148\u306b\u5230\u9054\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u3001MAC \u30a2\u30c9\u30ec\u30b9\u5b66\u7fd2\u304a\u3088\u3073\u8ee2\u9001\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8LAN\u30b5\u30fc\u30d3\u30b9\u306e\u5185\u90e8\u69cb\u9020<\/h2>\n<p>VPLS \u306f OSI \u30e2\u30c7\u30eb\u306e\u30c7\u30fc\u30bf \u30ea\u30f3\u30af\u5c64 (\u30ec\u30a4\u30e4\u30fc 2) \u3067\u52d5\u4f5c\u3057\u3001\u96e2\u308c\u305f\u5834\u6240\u9593\u3067\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8 \u30d6\u30ea\u30c3\u30b8\u30f3\u30b0 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002VPLS \u306e\u30b3\u30a2 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc \u30a8\u30c3\u30b8 (PE) \u30eb\u30fc\u30bf\u30fc\u3067\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8 \u30d5\u30ec\u30fc\u30e0\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3066 MPLS \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u4ed6\u306e PE \u30eb\u30fc\u30bf\u30fc\u306b\u8ee2\u9001\u3059\u308b\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002<\/p>\n<p>VPLS \u306e\u4ed5\u7d44\u307f:<\/p>\n<ol>\n<li><strong>\u30d5\u30ec\u30fc\u30e0\u306e\u30ab\u30d7\u30bb\u30eb\u5316<\/strong>\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u304c PE \u30eb\u30fc\u30bf\u306b\u5165\u308b\u3068\u3001MPLS \u30e9\u30d9\u30eb\u3067\u30ab\u30d7\u30bb\u30eb\u5316\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u30e9\u30d9\u30eb\u8ee2\u9001<\/strong>: PE \u30eb\u30fc\u30bf\u306f\u3001MPLS \u30e9\u30d9\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30ab\u30d7\u30bb\u30eb\u5316\u3055\u308c\u305f\u30d5\u30ec\u30fc\u30e0\u3092\u4ed6\u306e PE \u30eb\u30fc\u30bf\u306b\u8ee2\u9001\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30e9\u30d9\u30eb\u306e\u9664\u53bb<\/strong>: \u5b9b\u5148 PE \u30eb\u30fc\u30bf\u306b\u5230\u9054\u3059\u308b\u3068\u3001MPLS \u30e9\u30d9\u30eb\u304c\u524a\u9664\u3055\u308c\u3001\u5143\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8 \u30d5\u30ec\u30fc\u30e0\u304c\u76ee\u7684\u306e LAN \u30bb\u30b0\u30e1\u30f3\u30c8\u306b\u8ee2\u9001\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8LAN\u30b5\u30fc\u30d3\u30b9\u306e\u4e3b\u306a\u6a5f\u80fd\u306e\u5206\u6790<\/h2>\n<p>VPLS \u306f\u3001\u8907\u6570\u306e LAN \u3092\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306e\u63a8\u5968\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u306a\u308b\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u900f\u660e\u6027<\/strong>VPLS \u306f\u30b7\u30fc\u30e0\u30ec\u30b9\u306a LAN \u9593\u63a5\u7d9a\u3092\u63d0\u4f9b\u3057\u3001\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30b5\u30a4\u30c8\u304c\u5358\u4e00\u306e LAN \u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u4e00\u90e8\u3067\u3042\u308b\u304b\u306e\u3088\u3046\u306b\u898b\u305b\u307e\u3059\u3002<\/li>\n<li><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/strong>: \u4f01\u696d\u306f\u3001\u57fa\u76e4\u3068\u306a\u308b LAN \u69cb\u6210\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u5b89\u5168<\/strong>VPLS \u306f\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 MPLS \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u3067\u52d5\u4f5c\u3057\u3001\u63a5\u7d9a\u3055\u308c\u305f\u30b5\u30a4\u30c8\u9593\u306e\u5b89\u5168\u306a\u901a\u4fe1\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u52b9\u7387<\/strong>: \u3053\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306f\u30c7\u30fc\u30bf \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6700\u9069\u5316\u3057\u3001\u5e2f\u57df\u5e45\u306e\u5229\u7528\u7387\u3092\u5411\u4e0a\u3055\u305b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8LAN\u30b5\u30fc\u30d3\u30b9\u306e\u7a2e\u985e<\/h2>\n<p>VPLS \u306f\u3001\u5c55\u958b\u30e2\u30c7\u30eb\u306b\u57fa\u3065\u3044\u3066 2 \u3064\u306e\u4e3b\u8981\u306a\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30b7\u30b0\u30ca\u30ea\u30f3\u30b0\u30d9\u30fc\u30b9\u306eVPLS<\/strong>\u3053\u306e\u30bf\u30a4\u30d7\u306f\u3001MPLS \u30e9\u30d9\u30eb\u914d\u5e03\u306b LDP (\u30e9\u30d9\u30eb\u914d\u5e03\u30d7\u30ed\u30c8\u30b3\u30eb) \u3084 BGP (\u30dc\u30fc\u30c0\u30fc \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 \u30d7\u30ed\u30c8\u30b3\u30eb) \u306a\u3069\u306e\u6a19\u6e96\u30b7\u30b0\u30ca\u30ea\u30f3\u30b0 \u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30de\u30c6\u30a3\u30fc\u30cbVPLS<\/strong>: \u4f5c\u6210\u8005\u306e Luca Martini \u306b\u3061\u306a\u3093\u3067\u540d\u4ed8\u3051\u3089\u308c\u305f\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u306f\u3001\u30e9\u30d9\u30eb\u914d\u5e03\u306b LDP \u3092\u4f7f\u7528\u3057\u3001\u30d5\u30ec\u30fc\u30e0\u8ee2\u9001\u306b Martini \u30ab\u30d7\u30bb\u30eb\u5316\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u6b21\u306e\u8868\u306f\u30012 \u7a2e\u985e\u306e VPLS \u306e\u9055\u3044\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>\u30b7\u30b0\u30ca\u30ea\u30f3\u30b0\u30d9\u30fc\u30b9\u306eVPLS<\/th>\n<th>\u30de\u30c6\u30a3\u30fc\u30cbVPLS<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30e9\u30d9\u30ea\u30f3\u30b0<\/td>\n<td>LDP \u307e\u305f\u306f BGP<\/td>\n<td>LDP \u3068 Martini \u30ab\u30d7\u30bb\u30eb\u5316<\/td>\n<\/tr>\n<tr>\n<td>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/td>\n<td>\u9069\u5ea6<\/td>\n<td>\u9ad8\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u8907\u96d1<\/td>\n<td>\u4f4e\u3044<\/td>\n<td>\u9069\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u30d7\u30ed\u30c8\u30b3\u30eb<\/td>\n<td>RFC 4762<\/td>\n<td>RFC 4761\u3001RFC 4762<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8LAN\u30b5\u30fc\u30d3\u30b9\u306e\u5229\u7528\u65b9\u6cd5\u3001\u554f\u984c\u70b9\u3001\u89e3\u6c7a\u7b56<\/h2>\n<h3>VPLS \u306e\u4f7f\u7528\u65b9\u6cd5<\/h3>\n<ol>\n<li>\n<p><strong>\u652f\u5e97\u9593\u306e\u63a5\u7d9a<\/strong>VPLS \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u4f01\u696d\u306f\u652f\u5e97\u9593\u3067\u5b89\u5168\u304b\u3064\u76f4\u63a5\u7684\u306a\u901a\u4fe1\u3092\u78ba\u7acb\u3057\u3001\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u3068\u30c7\u30fc\u30bf\u5171\u6709\u3092\u4fc3\u9032\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u62e1\u5f35<\/strong>: \u4f01\u696d\u306f VPLS \u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf \u30bb\u30f3\u30bf\u30fc \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u30aa\u30d5\u30b5\u30a4\u30c8\u306e\u707d\u5bb3\u5fa9\u65e7\u5834\u6240\u306b\u62e1\u5f35\u3057\u3001\u969c\u5bb3\u767a\u751f\u6642\u306e\u4e8b\u696d\u7d99\u7d9a\u6027\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30af\u30e9\u30a6\u30c9\u63a5\u7d9a<\/strong>VPLS \u306f\u30af\u30e9\u30a6\u30c9 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3078\u306e\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u5bb9\u6613\u306b\u3057\u3001\u4f01\u696d\u304c LAN \u306e\u4e00\u90e8\u3068\u3057\u3066\u30af\u30e9\u30a6\u30c9 \u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u7ba1\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>\u554f\u984c\u3068\u89e3\u6c7a\u7b56<\/h3>\n<ol>\n<li>\n<p><strong>\u30ec\u30a4\u30c6\u30f3\u30b7\u3068\u5e2f\u57df\u5e45<\/strong>: VPLS \u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u3001MPLS \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u9045\u5ef6\u3068\u5e2f\u57df\u5e45\u306e\u5236\u9650\u306b\u3088\u3063\u3066\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002QoS (Quality of Service) \u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63a1\u7528\u3059\u308b\u3068\u3001\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u30b9\u30c8\u30fc\u30e0<\/strong>: VPLS \u3067\u306f\u3001\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8 \u30d5\u30ec\u30fc\u30e0\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30b5\u30a4\u30c8\u306b\u9001\u4fe1\u3055\u308c\u308b\u305f\u3081\u3001\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8 \u30b9\u30c8\u30fc\u30e0\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8 \u30ec\u30fc\u30c8\u5236\u9650\u3092\u5b9f\u88c5\u3059\u308b\u3068\u3001\u3053\u306e\u554f\u984c\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u61f8\u5ff5<\/strong>VPLS \u306f\u5b89\u5168\u306a MPLS \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u306f\u8ffd\u52a0\u306e\u6697\u53f7\u5316\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<h3>VPLS \u3068 MPLS VPN \u306e\u6bd4\u8f03<\/h3>\n<p>VPLS \u3068 MPLS VPN \u306f\u3069\u3061\u3089\u3082 WAN \u63a5\u7d9a\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>VPLS<\/th>\n<th>MPLS VPN<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u64cd\u4f5c\u306e\u5c64<\/td>\n<td>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64(\u30ec\u30a4\u30e4\u30fc2)<\/td>\n<td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\uff08\u30ec\u30a4\u30e4\u30fc3\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7bc4\u56f2<\/td>\n<td>LAN\u62e1\u5f35<\/td>\n<td>\u30b5\u30a4\u30c8\u9593\u307e\u305f\u306f\u30b5\u30a4\u30c8\u9593\u8907\u6570\u30b5\u30a4\u30c8<\/td>\n<\/tr>\n<tr>\n<td>\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3<\/td>\n<td>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30d6\u30ea\u30c3\u30b8<\/td>\n<td>IP\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/td>\n<\/tr>\n<tr>\n<td>\u8907\u96d1<\/td>\n<td>\u9069\u5ea6<\/td>\n<td>\u9ad8\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5c55\u671b\u3068\u5c06\u6765\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc<\/h2>\n<p>\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u9032\u6b69\u306b\u4f34\u3044\u3001VPLS \u306f\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\u306b\u3088\u308a\u3055\u3089\u306b\u9032\u5316\u3059\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002SD-WAN (\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5b9a\u7fa9 WAN) \u3084 5G \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306a\u3069\u306e\u65b0\u3057\u3044\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306f\u3001VPLS \u3092\u88dc\u5b8c\u3057\u3066\u305d\u306e\u6a5f\u80fd\u3092\u5f37\u5316\u3057\u3001\u3055\u3089\u306b\u5805\u7262\u3067\u67d4\u8edf\u306a LAN \u62e1\u5f35\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3068\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8LAN\u30b5\u30fc\u30d3\u30b9\u306e\u95a2\u4fc2<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001LAN \u62e1\u5f35\u6a5f\u80fd\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u8ffd\u52a0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u533f\u540d\u6027\u30ec\u30a4\u30e4\u30fc\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001VPLS \u3092\u88dc\u5b8c\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30c7\u30d0\u30a4\u30b9\u3068 VPLS \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u96a0\u3057\u3001\u30b3\u30f3\u30c6\u30f3\u30c4 \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3084\u30ad\u30e3\u30c3\u30b7\u30e5 \u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 LAN \u30b5\u30fc\u30d3\u30b9\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<ul>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc4761\" target=\"_new\" rel=\"noopener nofollow\">RFC 4761 \u2013 \u81ea\u52d5\u691c\u51fa\u3068\u30b7\u30b0\u30ca\u30ea\u30f3\u30b0\u306b BGP \u3092\u4f7f\u7528\u3059\u308b\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 LAN \u30b5\u30fc\u30d3\u30b9 (VPLS)<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc4762\" target=\"_new\" rel=\"noopener nofollow\">RFC 4762 \u2013 \u30e9\u30d9\u30eb\u914d\u5e03\u30d7\u30ed\u30c8\u30b3\u30eb (LDP) \u30b7\u30b0\u30ca\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u305f\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 LAN \u30b5\u30fc\u30d3\u30b9 (VPLS)<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/solutions\/enterprise\/multiprotocol-label-switching-mpls\/index.html\" target=\"_new\" rel=\"noopener nofollow\">MPLS: \u30de\u30eb\u30c1\u30d7\u30ed\u30c8\u30b3\u30eb \u30e9\u30d9\u30eb \u30b9\u30a4\u30c3\u30c1\u30f3\u30b0<\/a><\/li>\n<\/ul>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 LAN \u30b5\u30fc\u30d3\u30b9 (VPLS) \u306f\u3001\u5730\u7406\u7684\u306b\u5206\u6563\u3057\u305f\u5834\u6240\u9593\u3067\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a LAN \u62e1\u5f35\u3092\u6c42\u3081\u308b\u4f01\u696d\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3067\u3059\u3002VPLS \u306f\u3001\u900f\u660e\u6027\u3001\u62e1\u5f35\u6027\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u3092\u5f37\u5316\u3057\u3001\u8907\u6570\u306e\u30b5\u30a4\u30c8\u9593\u306e\u52b9\u7387\u7684\u306a\u901a\u4fe1\u3092\u4fc3\u9032\u3057\u307e\u3059\u3002\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u9032\u6b69\u3059\u308b\u306b\u3064\u308c\u3066\u3001VPLS \u306f\u95a2\u9023\u6027\u3092\u7dad\u6301\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u5c06\u6765\u306e\u9032\u6b69\u306b\u9069\u5fdc\u3059\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/p>","protected":false},"featured_media":479529,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479528","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Virtual Private LAN Service (VPLS) - Enhancing Network Connectivity<\/mark>","faq_items":[{"question":"What is Virtual Private LAN Service (VPLS)?","answer":"<p>Virtual Private LAN Service (VPLS) is a technology that enables the extension of Local Area Networks (LANs) over a Wide Area Network (WAN) infrastructure. It allows geographically dispersed sites to communicate as if they are part of the same LAN, providing seamless connectivity across multiple locations.<\/p>"},{"question":"How does Virtual Private LAN Service work?","answer":"<p>VPLS operates at the data link layer (Layer 2) of the OSI model. It creates a virtual bridged LAN over a service provider's MPLS network, encapsulating Ethernet frames and forwarding them to other PE routers. Upon reaching the destination PE router, the MPLS labels are removed, and the original Ethernet frame is forwarded to the intended LAN segment.<\/p>"},{"question":"What are the key features of Virtual Private LAN Service?","answer":"<p>VPLS offers several key features, including:<\/p><ul><li><strong>Transparency<\/strong>: VPLS makes multiple LANs appear as a single LAN, simplifying communication between geographically distributed sites.<\/li><li><strong>Scalability<\/strong>: Businesses can expand their network infrastructure without modifying the underlying LAN configuration.<\/li><li><strong>Security<\/strong>: VPLS operates within a private MPLS network, ensuring secure data transmission between connected sites.<\/li><li><strong>Efficiency<\/strong>: The technology optimizes data traffic, improving network performance and bandwidth utilization.<\/li><\/ul>"},{"question":"What types of Virtual Private LAN Service exist?","answer":"<p>There are two main types of VPLS:<\/p><ol><li><strong>Signaling-Based VPLS<\/strong>: Relies on standard signaling protocols like LDP or BGP for MPLS label distribution.<\/li><li><strong>Martini VPLS<\/strong>: Uses a combination of LDP for label distribution and Martini encapsulation for frame forwarding.<\/li><\/ol>"},{"question":"How can Virtual Private LAN Service be used?","answer":"<p>VPLS has various applications, including:<\/p><ul><li><strong>Interconnecting Branch Offices<\/strong>: It allows secure communication between branch offices, fostering collaboration and data sharing.<\/li><li><strong>Data Center Extension<\/strong>: Enterprises can extend their data center networks to off-site disaster recovery locations.<\/li><li><strong>Cloud Connectivity<\/strong>: VPLS facilitates secure connectivity to cloud service providers, integrating cloud resources into the LAN.<\/li><\/ul>"},{"question":"What are some common problems with Virtual Private LAN Service and their solutions?","answer":"<p>Common issues with VPLS include latency, bandwidth limitations, and security concerns. To address these problems:<\/p><ul><li>Employ QoS mechanisms to manage latency and prioritize critical traffic.<\/li><li>Implement broadcast rate limiting to prevent broadcast storms.<\/li><li>Consider additional encryption for highly sensitive data to enhance security.<\/li><\/ul>"},{"question":"How does Virtual Private LAN Service compare to MPLS VPN?","answer":"<p>VPLS and MPLS VPN differ in their approach:<\/p><ul><li>VPLS operates at the data link layer, providing LAN extension.<\/li><li>MPLS VPN operates at the network layer, enabling site-to-site or site-to-multiple-site communication.<\/li><\/ul>"},{"question":"What does the future hold for Virtual Private LAN Service?","answer":"<p>As technology evolves, VPLS is expected to improve in scalability and performance. Emerging technologies like SD-WAN and 5G networks may complement VPLS, offering even more robust LAN extension solutions.<\/p>"},{"question":"How are proxy servers associated with Virtual Private LAN Service?","answer":"<p>Proxy servers can complement VPLS by adding an extra layer of security and anonymity for users accessing the LAN extension. They act as intermediaries, concealing users' IP addresses and providing content filtering or caching services.<\/p><p>For more information on Virtual Private LAN Service, check out the comprehensive guide at OneProxy.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/479528","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\/479528\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/479529"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=479528"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}