{"id":479200,"date":"2023-08-09T10:31:59","date_gmt":"2023-08-09T10:31:59","guid":{"rendered":""},"modified":"2023-09-05T11:18:22","modified_gmt":"2023-09-05T11:18:22","slug":"supernetting","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/supernetting\/","title":{"rendered":"\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0"},"content":{"rendered":"<p>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u30eb\u30fc\u30c8\u96c6\u7d04\u307e\u305f\u306f\u30eb\u30fc\u30c8\u96c6\u7d04\u3068\u3082\u547c\u3070\u308c\u3001\u5927\u898f\u6a21\u306a IP \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u3092\u6700\u9069\u5316\u304a\u3088\u3073\u5408\u7406\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u6280\u8853\u3067\u3059\u3002\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u8907\u6570\u306e\u5c0f\u3055\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30c9\u30ec\u30b9\u3092 1 \u3064\u306e\u5927\u304d\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30c9\u30ec\u30b9\u306b\u7d50\u5408\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u306e\u30b5\u30a4\u30ba\u3092\u524a\u6e1b\u3057\u3001\u305d\u308c\u306b\u3088\u3063\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u3001\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306e\u8d77\u6e90\u306e\u6b74\u53f2\u3068\u305d\u308c\u306b\u3064\u3044\u3066\u306e\u6700\u521d\u306e\u8a00\u53ca<\/h2>\n<p>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8\u306e\u6982\u5ff5\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u306e\u30b5\u30a4\u30ba\u304c\u5897\u5927\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u5bfe\u3059\u308b\u61f8\u5ff5\u306e\u9ad8\u307e\u308a\u3092\u53d7\u3051\u3066\u30011990 \u5e74\u4ee3\u521d\u982d\u306b\u767b\u5834\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u6642\u671f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u6210\u9577\u3068 IP \u30a2\u30c9\u30ec\u30b9\u306e\u6025\u5897\u306b\u3088\u308a\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u8907\u96d1\u3055\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u5f53\u521d\u306e\u30a2\u30a4\u30c7\u30a2\u306f\u3001\u9023\u7d9a\u3057\u305f IP \u30a2\u30c9\u30ec\u30b9 \u30d6\u30ed\u30c3\u30af\u3092\u3001\u3088\u308a\u5927\u304d\u304f\u7ba1\u7406\u3057\u3084\u3059\u3044\u30d6\u30ed\u30c3\u30af\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u304c\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8\u306e\u6982\u5ff5\u306b\u3064\u306a\u304c\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306b\u3064\u3044\u3066\u306e\u6700\u521d\u306e\u8a00\u53ca\u306f\u30011992 \u5e74 5 \u6708\u306b K. Varadhan\u3001H. Berkowitz\u3001\u304a\u3088\u3073 J. Quarantillo \u306b\u3088\u3063\u3066\u767a\u884c\u3055\u308c\u305f\u300cSupernetting: an Address Assignment and Aggregation Strategy\u300d\u3068\u3044\u3046\u30bf\u30a4\u30c8\u30eb\u306e RFC 1338 \u306b\u9061\u308a\u307e\u3059\u3002\u3053\u306e RFC \u306f\u3001\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306e\u6982\u5ff5\u3068\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u969b\u306e\u305d\u306e\u91cd\u8981\u6027\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831: \u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306e\u30c8\u30d4\u30c3\u30af\u306e\u5c55\u958b<\/h2>\n<p>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8\u5316\u306b\u306f\u3001CIDR (\u30af\u30e9\u30b9\u30ec\u30b9 \u30c9\u30e1\u30a4\u30f3\u9593\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0) 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\u30c6\u30fc\u30d6\u30eb\u306e\u30b5\u30a4\u30ba\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3057\u307e\u3059\u3002\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u304c\u5c0f\u3055\u3044\u307b\u3069\u30eb\u30fc\u30bf\u30fc\u306e\u52b9\u7387\u304c\u5411\u4e0a\u3057\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6c7a\u5b9a\u304c\u3088\u308a\u901f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5f37\u5316:<\/strong> \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u304c\u5c0f\u3055\u304f\u306a\u308b\u3068\u3001\u30eb\u30fc\u30bf\u30fc\u306f\u30d1\u30b1\u30c3\u30c8\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u51e6\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u3001\u9045\u5ef6\u304c\u6e1b\u5c11\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u306e\u6700\u9069\u5316:<\/strong> \u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8\u5316\u306b\u3088\u308a\u3001\u30a2\u30c9\u30ec\u30b9\u306e\u5272\u308a\u5f53\u3066\u304c\u6700\u9069\u5316\u3055\u308c\u308b\u305f\u3081\u3001\u30a2\u30c9\u30ec\u30b9\u306e\u7121\u99c4\u304c\u524a\u6e1b\u3055\u308c\u3001IP \u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u306e\u6709\u52b9\u6d3b\u7528\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7c21\u7d20\u5316\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406:<\/strong> \u591a\u6570\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb \u30a8\u30f3\u30c8\u30ea\u306e\u7ba1\u7406\u306f\u8907\u96d1\u3067\u6642\u9593\u304c\u304b\u304b\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8\u5316\u306b\u3088\u308a\u3001\u30a8\u30f3\u30c8\u30ea\u306e\u6570\u304c\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u308b\u305f\u3081\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u30d7\u30ed\u30bb\u30b9\u304c\u7c21\u7d20\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u5411\u4e0a:<\/strong> \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u306a\u308b\u306b\u3064\u308c\u3066\u3001\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u5897\u52a0\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30c9\u30ec\u30b9\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306e\u7a2e\u985e<\/h2>\n<p>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8\u306f\u3001\u96c6\u7d04\u3055\u308c\u305f CIDR \u30d6\u30ed\u30c3\u30af\u306e\u30b5\u30a4\u30ba\u3068\u6570\u306b\u57fa\u3065\u3044\u3066\u3001\u6b21\u306e\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3067\u304d\u307e\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>\u30eb\u30fc\u30c8\u307e\u3068\u3081<\/td>\n<td>\u540c\u3058\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u9577\u3092\u6301\u3064\u8907\u6570\u306e\u9023\u7d9a\u3057\u305f CIDR \u30d6\u30ed\u30c3\u30af\u3092\u3001\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u9577\u304c\u77ed\u3044\u5358\u4e00\u306e CIDR \u30d6\u30ed\u30c3\u30af\u306b\u7d50\u5408\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u96c6\u7d04<\/td>\n<td>\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u9577\u304c\u7570\u306a\u308b\u4e0d\u9023\u7d9a\u306a CIDR \u30d6\u30ed\u30c3\u30af\u3092\u3001\u3088\u308a\u5927\u304d\u306a 1 \u3064\u306e CIDR \u30d6\u30ed\u30c3\u30af\u306b\u30de\u30fc\u30b8\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30de\u30eb\u30c1\u30ec\u30d9\u30eb\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8<\/td>\n<td>\u968e\u5c64\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8\u5316\u3002\u3088\u308a\u5c0f\u3055\u306a\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8 \u30d6\u30ed\u30c3\u30af\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3088\u308a\u5927\u304d\u306a\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8 \u30d6\u30ed\u30c3\u30af\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306e\u4f7f\u3044\u65b9\u3068\u305d\u306e\u554f\u984c\u70b9\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n<h3>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8\u306e\u6d3b\u7528:<\/h3>\n<ol>\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\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u306e\u9867\u5ba2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u96c6\u7d04\u3057\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u306e\u30b5\u30a4\u30ba\u3092\u524a\u6e1b\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u3067\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u52b9\u7387\u3092\u9ad8\u3081\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30cd\u30c3\u30c8\u30ef\u30fc\u30af:<\/strong> \u5927\u4f01\u696d\u3084\u7d44\u7e54\u306f\u3001\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u3066\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u7d71\u5408\u3057\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb \u30a8\u30f3\u30c8\u30ea\u306e\u6570\u3092\u6e1b\u3089\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u3092\u7c21\u7d20\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>\u554f\u984c\u3068\u89e3\u6c7a\u7b56:<\/h3>\n<ol>\n<li>\n<p><strong>\u4e0d\u9023\u7d9a\u306a CIDR \u30d6\u30ed\u30c3\u30af:<\/strong> \u4e0d\u9023\u7d9a\u306a CIDR \u30d6\u30ed\u30c3\u30af\u3092\u6271\u3046\u5834\u5408\u3001\u5f93\u6765\u306e\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306f\u9069\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 Prefix Aggregation \u306f\u3001\u975e\u9023\u7d9a\u30d6\u30ed\u30c3\u30af\u3092 1 \u3064\u306e\u5927\u304d\u306a\u30d6\u30ed\u30c3\u30af\u306b\u7d50\u5408\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u975e\u52b9\u7387\u6027:<\/strong> \u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8 \u30d6\u30ed\u30c3\u30af\u304c\u4e0d\u9069\u5207\u306b\u96c6\u7d04\u3055\u308c\u308b\u3068\u3001\u6700\u9069\u3067\u306f\u306a\u3044\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u6c7a\u5b9a\u304c\u884c\u308f\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u9069\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u306b\u306f\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u306e\u5b9a\u671f\u7684\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u30ec\u30d3\u30e5\u30fc\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<p>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8\u5316\u306f\u30b5\u30d6\u30cd\u30c3\u30c8\u5316\u3068\u3088\u304f\u6df7\u540c\u3055\u308c\u307e\u3059\u304c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u3067\u306f\u7570\u306a\u308b\u76ee\u7684\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0<\/th>\n<th>\u30b5\u30d6\u30cd\u30c3\u30c8\u5316<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u76ee\u7684<\/td>\n<td>\u8907\u6570\u306e\u5c0f\u3055\u306a CIDR \u30d6\u30ed\u30c3\u30af\u3092 1 \u3064\u306e\u5927\u304d\u306a CIDR \u30d6\u30ed\u30c3\u30af\u306b\u96c6\u7d04\u3057\u307e\u3059\u3002<\/td>\n<td>\u5358\u4e00\u306e IP \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u3001\u3088\u308a\u5c0f\u3055\u304f\u7ba1\u7406\u3057\u3084\u3059\u3044\u30b5\u30d6\u30cd\u30c3\u30c8\u306b\u5206\u5272\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u7d50\u679c<\/td>\n<td>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u5185\u306e CIDR \u30d6\u30ed\u30c3\u30af\u306f\u5c11\u306a\u304f\u3066\u3082\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002<\/td>\n<td>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u5185\u306e\u3088\u308a\u591a\u304f\u306e\u3088\u308a\u5c0f\u3055\u306a CIDR \u30d6\u30ed\u30c3\u30af\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u4f7f\u7528\u4f8b<\/td>\n<td>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6700\u9069\u5316\u3001\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u306e\u52b9\u7387\u5316\u3002<\/td>\n<td>\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u3001IP \u30a2\u30c9\u30ec\u30b9\u5272\u308a\u5f53\u3066\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306b\u95a2\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u898f\u6a21\u3068\u8907\u96d1\u3055\u304c\u5897\u5927\u3057\u7d9a\u3051\u308b\u4e2d\u3001\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8\u5316\u306f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u3092\u6700\u9069\u5316\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306e\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u6280\u8853\u3067\u3042\u308a\u7d9a\u3051\u307e\u3059\u3002\u5c06\u6765\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u306b\u3088\u3063\u3066\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8\u5316\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u3055\u3089\u306b\u81ea\u52d5\u5316\u3055\u308c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u8005\u304c\u5927\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u3088\u308a\u7c21\u5358\u306b\u7ba1\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001IPv6 \u306e\u5e83\u5927\u306a\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u306b\u306f\u30a2\u30c9\u30ec\u30b9\u306e\u5272\u308a\u5f53\u3066\u3068\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u5bfe\u3059\u308b\u9769\u65b0\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5fc5\u8981\u3068\u306a\u308b\u305f\u3081\u3001IPv6 \u306e\u63a1\u7528\u306f\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306b\u65b0\u305f\u306a\u6a5f\u4f1a\u3068\u8ab2\u984c\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u307e\u305f\u306f\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u3068\u306e\u95a2\u9023\u4ed8\u3051\u65b9\u6cd5<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u3067\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8\u5316\u3092\u88dc\u5b8c\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4f75\u7528\u3059\u308b\u3068\u3001\u6b21\u306e\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u8ca0\u8377\u5206\u6563:<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u53d7\u4fe1\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u5206\u6563\u3057\u3066\u3001\u500b\u3005\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u533f\u540d\u6027:<\/strong> \u30d7\u30ed\u30ad\u30b7\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u533f\u540d\u6027\u3092\u3055\u3089\u306b\u5f37\u5316\u3057\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7\u306f\u60aa\u610f\u306e\u3042\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3001\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30c9\u30ec\u30b9\u304c\u76f4\u63a5\u516c\u958b\u3055\u308c\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5730\u7406\u7684\u5206\u5e03:<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u5730\u7406\u7684\u306b\u7570\u306a\u308b\u5834\u6240\u306b\u5c55\u958b\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u8005\u306f\u30b3\u30f3\u30c6\u30f3\u30c4\u914d\u4fe1\u3092\u5f37\u5316\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u5730\u57df\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u5f85\u3061\u6642\u9593\u3092\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c8\u306b\u95a2\u3059\u308b\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:\/\/tools.ietf.org\/html\/rfc1338\" target=\"_new\" rel=\"noopener nofollow\">RFC 1338 \u2013 \u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0: \u30a2\u30c9\u30ec\u30b9\u306e\u5272\u308a\u5f53\u3066\u3068\u96c6\u7d04\u6226\u7565<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/ip\/routing-information-protocol-rip\/13788-3.html\" target=\"_new\" rel=\"noopener nofollow\">Cisco\uff1aIP \u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\u3068 CIDR \u30c1\u30e3\u30fc\u30c8\u306b\u3064\u3044\u3066<\/a><\/li>\n<\/ol>\n<p>\u30b9\u30fc\u30d1\u30fc\u30cd\u30c3\u30c6\u30a3\u30f3\u30b0\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6700\u9069\u5316\u306b\u304a\u3051\u308b\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3067\u3042\u308a\u3001\u305d\u306e\u539f\u7406\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u8005\u3068 ISP \u306e\u4e21\u65b9\u306b\u3068\u3063\u3066\u5927\u304d\u306a\u5229\u76ca\u3068\u306a\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>","protected":false},"featured_media":479201,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479200","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Supernetting: Expanding Networks with Efficiency<\/mark>","faq_items":[{"question":"What is Supernetting?","answer":"<p>Supernetting, also known as route aggregation or route summarization, is a networking technique used to optimize and streamline routing tables in large-scale IP networks. It involves combining multiple smaller network addresses into a single larger one, reducing the size of routing tables, improving network performance, and reducing overhead.<\/p>"},{"question":"How did Supernetting originate?","answer":"<p>The concept of Supernetting emerged in the early 1990s as a response to the growing concern over the increasing size of Internet routing tables. The first mention of Supernetting can be traced back to RFC 1338, titled \"Supernetting: an Address Assignment and Aggregation Strategy,\" published in May 1992.<\/p>"},{"question":"How does Supernetting work?","answer":"<p>Supernetting works by identifying contiguous CIDR blocks with the same prefix length, determining the common prefix, and creating a new CIDR block with a shorter prefix length that encompasses all the individual blocks. This process reduces the number of routing table entries and simplifies routing decisions.<\/p>"},{"question":"What are the key features of Supernetting?","answer":"<p>Supernetting offers several key features, including reduced routing table size, enhanced network performance, address space optimization, simplified network management, and improved scalability.<\/p>"},{"question":"What types of Supernetting exist?","answer":"<p>Supernetting can be classified into three types:<\/p><ol><li>Route Summarization: Combines contiguous CIDR blocks with the same prefix length into a single CIDR block with a shorter prefix.<\/li><li>Prefix Aggregation: Merges non-contiguous CIDR blocks with different prefix lengths into a larger CIDR block.<\/li><li>Multilevel Supernet: Hierarchical Supernetting where smaller Supernet blocks are combined to create larger Supernet blocks.<\/li><\/ol>"},{"question":"How is Supernetting used, and what problems can arise?","answer":"<p>Supernetting is used by Internet Service Providers (ISPs) and large enterprises to optimize their networks. Problems may arise with discontiguous CIDR blocks, which can be addressed using Prefix Aggregation. Regular maintenance and review of routing tables are also important to ensure optimal network performance.<\/p>"},{"question":"How does Supernetting compare to Subnetting?","answer":"<p>Supernetting and Subnetting are different techniques in networking. While Supernetting optimizes routing tables by combining smaller CIDR blocks, Subnetting divides a single IP network into smaller, manageable subnets.<\/p>"},{"question":"What is the future of Supernetting?","answer":"<p>As networks continue to grow, Supernetting will remain crucial for optimizing routing tables and improving network efficiency. Future technologies may automate the process further, and the adoption of IPv6 will present new opportunities and challenges for Supernetting.<\/p>"},{"question":"How are proxy servers associated with Supernetting?","answer":"<p>Proxy servers complement Supernetting by enhancing network security, performance, and geographical distribution. They act as intermediaries between users and the Internet, providing an additional layer of security and anonymity.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/479200","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\/479200\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/479201"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=479200"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}