{"id":15743,"date":"2025-12-02T11:53:40","date_gmt":"2025-12-02T10:53:40","guid":{"rendered":"https:\/\/webhosting.de\/warum-anycast-dns-nicht-automatisch-schneller-ist-echte-tests-fallstricke-netzwerk\/"},"modified":"2025-12-02T11:53:40","modified_gmt":"2025-12-02T10:53:40","slug":"%e3%81%aa%e3%81%9canycast-dns%e3%81%af%e8%87%aa%e5%8b%95%e7%9a%84%e3%81%ab%e9%ab%98%e9%80%9f%e3%81%a7%e3%81%af%e3%81%aa%e3%81%84%e3%81%ae%e3%81%8b%ef%bc%9f%e5%ae%9f%e9%9a%9b%e3%81%ae%e3%83%86%e3%82%b9","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/warum-anycast-dns-nicht-automatisch-schneller-ist-echte-tests-fallstricke-netzwerk\/","title":{"rendered":"Anycast DNS \u304c\u81ea\u52d5\u7684\u306b\u9ad8\u901f\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u7406\u7531 \u2013 \u5b9f\u969b\u306e\u30c6\u30b9\u30c8\u3068\u843d\u3068\u3057\u7a74"},"content":{"rendered":"<p>Anycast DNS \u306f\u4f4e\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u306e\u8fd1\u9053\u306e\u3088\u3046\u306b\u805e\u3053\u3048\u307e\u3059\u304c\u3001\u5b9f\u969b\u306e\u6e2c\u5b9a\u7d50\u679c\u3067\u306f\u6b21\u306e\u3088\u3046\u306a\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002 <strong>\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8<\/strong> \u5fc5\u305a\u3057\u3082\u6700\u901f\u306e\u5fdc\u7b54\u6642\u9593\u3092\u4fdd\u8a3c\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30c6\u30b9\u30c8\u3067\u306f\u3001anycast DNS \u304c\u671f\u5f85\u3092\u4e0b\u56de\u308b\u7d50\u679c\u306b\u306a\u308b\u3053\u3068\u304c\u591a\u3044\u7406\u7531\u3001\u305d\u306e\u843d\u3068\u3057\u7a74\u3001\u305d\u3057\u3066\u660e\u78ba\u306a\u6307\u6a19\u3068\u5b9f\u884c\u53ef\u80fd\u306a\u6539\u5584\u7b56\u3092\u7528\u3044\u3066\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u73fe\u5b9f\u7684\u306b\u8a55\u4fa1\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u8aac\u660e\u3057\u307e\u3059\u3002 <strong>\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc<\/strong>.<\/p>\n\n<h2>\u4e2d\u5fc3\u70b9<\/h2>\n\n<p>\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u307e\u3068\u3081\u3066\u3001\u305d\u306e\u5185\u5bb9\u306b\u3064\u3044\u3066\u3059\u3050\u306b\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002 <strong>\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8<\/strong> \u5230\u7740\u3057\u307e\u3059\u3002\u7b2c\u4e00\u306b\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001Anycast \u30ce\u30fc\u30c9\u3078\u306e\u8fd1\u3055\u3088\u308a\u3082\u3001DNS \u306e\u901f\u5ea6\u306e\u77e5\u899a\u306b\u5927\u304d\u304f\u5f71\u97ff\u3057\u307e\u3059\u3002\u7b2c\u4e8c\u306b\u3001BGP \u306f\u5730\u7406\u7684\u306a\u6c7a\u5b9a\u3092\u884c\u308f\u305a\u3001\u30dd\u30ea\u30b7\u30fc\u306b\u5f93\u3046\u305f\u3081\u3001\u6700\u9069\u3067\u306f\u306a\u3044\u7d4c\u8def\u304c\u751f\u3058\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 \u7b2c\u4e09\u306b\u3001\u30ce\u30fc\u30c9\u6570\u304c\u591a\u3044\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u9045\u5ef6\u306e\u554f\u984c\u304c\u81ea\u52d5\u7684\u306b\u89e3\u6c7a\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u5206\u6563\u6027\u304c\u9ad8\u307e\u308b\u5834\u5408\u3082\u3042\u308b\u3002\u7b2c\u56db\u306b\u3001\u6e2c\u5b9a\u65b9\u6cd5\u3067\u306f\u3001\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u306e\u8996\u70b9\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u8996\u70b9\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u305d\u3046\u3057\u306a\u3044\u3068\u3001\u898b\u843d\u3068\u3057\u304c\u751f\u3058\u308b\u3002\u7b2c\u4e94\u306b\u3001\u771f\u306e\u6700\u9069\u5316\u306f\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3001\u304a\u3088\u3073 <strong>TTL<\/strong>.<\/p>\n<ul>\n  <li><strong>\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/strong> \u30e6\u30fc\u30b6\u30fc\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u304c\u652f\u914d\u7684\u3067\u3042\u308a\u3001\u30eb\u30fc\u30c8\u30af\u30a8\u30ea\u306f\u307e\u308c\u3067\u3059\u3002.<\/li>\n  <li><strong>BGP<\/strong> \u8aa4\u3063\u305f\u3001\u3088\u308a\u9577\u3044\u30d1\u30b9\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n  <li><strong>\u3082\u3063\u3068<\/strong> \u30ce\u30fc\u30c9\u306f\u3001\u8aa4\u3063\u305f\u5272\u308a\u5f53\u3066\u3092\u5897\u52a0\u3055\u305b\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n  <li><strong>\u6e2c\u5b9a<\/strong> \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u8996\u70b9\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/li>\n  <li><strong>TTL<\/strong> \u305d\u3057\u3066\u3001\u30d4\u30a2\u30ea\u30f3\u30b0\u306f\u751f\u3005\u3057\u3044\u8ddd\u96e2\u611f\u3092\u6253\u3061\u7834\u308a\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/anycast-dns-testzentrum-1842.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>Anycast DNS \u306e\u5b9f\u969b\u306e\u4ed5\u7d44\u307f<\/h2>\n\n<p>Anycast \u306f\u540c\u4e00\u306e IP \u3092\u8907\u6570\u306e\u5834\u6240\u306b\u5206\u6563\u3057\u3001BGP \u306f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u89b3\u70b9\u304b\u3089\u300c\u6700\u3082\u8fd1\u3044\u300d\u7d4c\u8def\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8a98\u5c0e\u3057\u307e\u3059\u304c\u3001\u5fc5\u305a\u3057\u3082\u6700\u3082\u8fd1\u3044\u7d4c\u8def\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002 <strong>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc<\/strong>. \u76e3\u67fb\u3067\u306f\u3001\u30d4\u30a2\u30ea\u30f3\u30b0\u3001\u30ed\u30fc\u30ab\u30eb\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u30dd\u30ea\u30b7\u30fc\u3001\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u306e\u9577\u3055\u304c\u3001\u5730\u7406\u3088\u308a\u3082\u30eb\u30fc\u30c8\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u3066\u3044\u308b\u3053\u3068\u3092\u3088\u304f\u76ee\u306b\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u6642\u9593\u5e2f\u3001\u8ca0\u8377\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30d9\u30f3\u30c8\u306b\u3088\u3063\u3066\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u304c\u9855\u8457\u306b\u5909\u5316\u3057\u307e\u3059\u3002\u5730\u7406\u7684\u306a\u30ed\u30b8\u30c3\u30af\u3092\u671f\u5f85\u3057\u3066\u3044\u308b\u4eba\u306f\u3001\u5b9f\u969b\u306b\u306f\u3001\u591a\u304f\u306e\u8abf\u6574\u8981\u7d20\u3092\u542b\u3080\u30dd\u30ea\u30b7\u30fc\u30ed\u30b8\u30c3\u30af\u3092\u898b\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u5206\u985e\u306b\u306f\u3001GeoDNS \u3068\u306e\u6bd4\u8f03\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u7570\u306a\u308b\u624b\u9806\u306f\u7570\u306a\u308b\u7d50\u679c\u3092\u3082\u305f\u3089\u3059\u304b\u3089\u3067\u3059\u3002 <strong>\u554f\u984c\u70b9<\/strong> \u2013 \u6982\u8981\uff1a <a href=\"https:\/\/webhosting.de\/ja\/anycast-%e5%af%be-geodns-%e3%82%b9%e3%83%9e%e3%83%bc%e3%83%88-dns-%e3%83%ab%e3%83%bc%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0%e3%81%ae%e6%af%94%e8%bc%83-2025\/\">GeoDNS \u5bfe Anycast \u2013 \u7c21\u5358\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c1\u30a7\u30c3\u30af<\/a>.<\/p>\n\n<h2>\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u8fd1\u63a5\u6027\u3092\u6253\u3061\u8ca0\u304b\u3059\uff1a\u30eb\u30fc\u30c8\u304a\u3088\u3073 TLD \u306e\u73fe\u5b9f<\/h2>\n\n<p>\u30eb\u30fc\u30c8\u5c64\u304a\u3088\u3073TLD\u5c64\u3067\u306f\u3001 <strong>\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong> \u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3002APNIC \u304a\u3088\u3073 RIPE \u306e\u8abf\u67fb\u306b\u3088\u308b\u3068\u3001TLD \u30ec\u30b3\u30fc\u30c9\u306f\u591a\u304f\u306e\u5834\u5408 2 \u65e5\u9593\u4fdd\u6301\u3055\u308c\u3001\u4e00\u822c\u7684\u306a\u30e6\u30fc\u30b6\u30fc\u306f 1 \u65e5\u306b 1 \u56de\u672a\u6e80\u306e\u983b\u5ea6\u3067\u30eb\u30fc\u30c8\u30af\u30a8\u30ea\u3092\u767a\u884c\u3057\u307e\u3059\u3002\u3053\u306e\u4f4e\u3044\u983b\u5ea6\u306b\u3088\u308a\u3001\u30eb\u30fc\u30c8\u30ec\u30d9\u30eb\u3067\u306e\u6700\u5c0f\u9650\u306e\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8\u9045\u5ef6\u3068\u3044\u3046\u60f3\u5b9a\u4e0a\u306e\u5229\u70b9\u306f\u3001\u65e5\u5e38\u7684\u306b\u306f\u307b\u3068\u3093\u3069\u610f\u5473\u3092\u6210\u3057\u307e\u305b\u3093\u3002 \u5927\u898f\u6a21\u306a ISP \u30ea\u30be\u30eb\u30d0\u30fc\u306b\u3068\u3063\u3066\u3001\u3053\u308c\u306f\u30eb\u30fc\u30c8\u7d4c\u8def\u304c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5927\u90e8\u5206\u306b\u9855\u8457\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u3001\u6a29\u5a01\u3042\u308b\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u304a\u3088\u3073\u30ea\u30be\u30eb\u30d0\u30fc\u3078\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3092\u512a\u5148\u7684\u306b\u6e2c\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u305d\u3053\u306b\u771f\u306b\u95a2\u9023\u6027\u306e\u3042\u308b\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002 <strong>\u30bf\u30a4\u30e0\u30ba<\/strong>.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/anycastdnsmeeting4842.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>Anycast\u304c\u81ea\u52d5\u7684\u306b\u9ad8\u901f\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u7406\u7531<\/h2>\n\n<p>Anycast CDN \u306e\u6e2c\u5b9a\u30b7\u30ea\u30fc\u30ba\u3067\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u7d04 20% \u304c\u6700\u9069\u3067\u306f\u306a\u3044\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306b\u5230\u9054\u3057\u3001\u5e73\u5747\u3067\u7d04 25 \u30df\u30ea\u79d2\u306e\u9045\u5ef6\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002IMC \u306e\u8abf\u67fb\u306b\u3088\u308b\u3068\u3001\u7d04 10% \u306f 100 \u30df\u30ea\u79d2\u4ee5\u4e0a\u306e\u9045\u5ef6\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002 <strong>2015<\/strong>. \u3053\u308c\u3089\u306e\u5024\u306f\u5c0f\u3055\u304f\u805e\u3053\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u591a\u304f\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3084 TLS \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3067\u306f\u3001\u305d\u306e\u5f71\u97ff\u306f\u660e\u3089\u304b\u306b\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002BGP \u306e\u6c7a\u5b9a\u3001\u7a81\u7136\u306e\u30c8\u30dd\u30ed\u30b8\u306e\u5909\u66f4\u3001\u30d4\u30a2\u30ea\u30f3\u30b0\u306e\u975e\u5bfe\u79f0\u6027\u304c\u3053\u306e\u3070\u3089\u3064\u304d\u3092\u5f15\u304d\u8d77\u3053\u3057\u3066\u3044\u307e\u3059\u3002 \u79c1\u306f\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30dd\u30ea\u30b7\u30fc\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u4e00\u5b9a\u6570\u4ee5\u4e0a\u306e\u8ffd\u52a0\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u8aa4\u5272\u308a\u5f53\u3066\u306e\u53ef\u80fd\u6027\u304c\u9ad8\u307e\u308b\u3053\u3068\u3092\u89b3\u5bdf\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8\u306f\u3001\u5e73\u5747\u7684\u306b\u306f\u591a\u304f\u306e\u5834\u5408\u826f\u597d\u306a\u7d50\u679c\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u304c\u3001\u5206\u4f4d\u70b9\u3067\u306f\u75db\u307e\u3057\u3044\u7d50\u679c\u3092\u3082\u305f\u3089\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 <strong>\u30a2\u30a6\u30c8\u30e9\u30a4\u30a2\u30fc\u30ba<\/strong> \u751f\u6210\u3059\u308b\u3002.<\/p>\n\n<h2>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304c\u6c7a\u3081\u624b\uff1aDNS\u3001CDN\u3001BGP \u306e\u5fae\u8abf\u6574<\/h2>\n\n<p>\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u306b\u654f\u611f\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6271\u3046CDN\u306f\u3001BGP\u306e\u5fae\u8abf\u6574\u306b\u6295\u8cc7\u3057\u3001\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3068\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3092\u8abf\u6574\u3057\u3066\u3001\u30db\u30c3\u30d7\u6570\u304c\u5c11\u306a\u304f\u3001\u30d4\u30a2\u30ea\u30f3\u30b0\u304c\u512a\u308c\u305f\u30d1\u30b9\u3092\u512a\u5148\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u306f\u3001\u8ce2\u660e\u306a\u30a2\u30ca\u30a6\u30f3\u30b9\u306b\u3088\u3063\u3066\u30e6\u30fc\u30b6\u30fc\u3092\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u9ad8\u3044\u30a8\u30c3\u30b8\u306b\u8fd1\u3065\u3051\u308b\u65b9\u6cd5\u306e\u4f8b\u3068\u3057\u3066\u3088\u304f\u6319\u3052\u3089\u308c\u307e\u3059\u3002 <strong>\u64cd\u7e26\u3059\u308b<\/strong>. \u3002\u53b3\u3057\u3044\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u8981\u4ef6\u306e\u306a\u3044 DNS \u30b5\u30fc\u30d3\u30b9\u3067\u306f\u3001\u3053\u306e\u52aa\u529b\u306f\u5fc5\u305a\u3057\u3082\u898b\u5408\u3046\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u5834\u5408\u306f\u3001\u53ef\u7528\u6027\u3068\u56de\u5fa9\u529b\u304c\u6700\u5f8c\u306e 1 \u30df\u30ea\u79d2\u3088\u308a\u3082\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001DNS \u5fdc\u7b54\u306e\u6709\u52b9\u671f\u9593\u306f\u3001\u77e5\u899a\u3055\u308c\u308b\u901f\u5ea6\u306b\u5927\u304d\u304f\u5f71\u97ff\u3057\u307e\u3059\u3002 <a href=\"https:\/\/webhosting.de\/ja\/dns-ttl%e6%80%a7%e8%83%bd%e6%af%94%e8%bc%83-%e6%9c%80%e9%81%a9%e3%83%95%e3%83%a9%e3%83%83%e3%82%af%e3%82%b9\/\">\u6700\u9069\u306aDNS TTL<\/a> \u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u591a\u304f\u306e\u5f80\u5fa9\u901a\u4fe1\u3092\u7bc0\u7d04\u3067\u304d\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u306e\u30d4\u30fc\u30af\u3092\u6301\u7d9a\u7684\u306b\u4f4e\u6e1b\u3067\u304d\u307e\u3059\u3002\u591a\u304f\u306e\u5834\u5408\u3001\u8ffd\u52a0\u306ePOP\u3092\u8a2d\u7f6e\u3059\u308b\u3088\u308a\u3082\u52b9\u679c\u7684\u3067\u3059\u3002 <strong>\u30cd\u30c3\u30c8<\/strong>.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/anycast-dns-leistung-vergleich-3285.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u6e2c\u5b9a\u65b9\u6cd5\uff1aAnycast \u8a2d\u5b9a\u306e\u8a55\u4fa1\u65b9\u6cd5<\/h2>\n\n<p>\u79c1\u306f\u5358\u4e00\u306e\u8996\u70b9\u306b\u983c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8996\u70b9\u3001\u30b5\u30fc\u30d0\u30fc\u8996\u70b9\u3001\u304a\u3088\u3073\u500b\u3005\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u30d7\u30ed\u30fc\u30d6\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3044\u307e\u3059\u3002 <strong>\u30ce\u30fc\u30c9<\/strong>. Anycast Efficiency Factor (\u03b1) \u3068\u3044\u3046\u6307\u6a19\u306f\u3001\u9078\u629e\u3057\u305f Anycast \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3078\u306e\u5b9f\u969b\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u3068\u3001\u30ed\u30fc\u30ab\u30eb\u3067\u6700\u9069\u306a\u30ce\u30fc\u30c9\u3078\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u6bd4\u8f03\u3059\u308b\u3082\u306e\u3067\u30011.0 \u304c\u7406\u60f3\u7684\u3067\u3059\u3002 \u3055\u3089\u306b\u3001RTT \u306e\u5206\u5e03\u3082\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5916\u308c\u5024\u304c\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u305f\u3081\u3067\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u6e2c\u5b9a\u306f\u3001\u4f55\u767e\u4e07\u3082\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u95a2\u3059\u308b\u5e45\u5e83\u3044\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30d7\u30ed\u30fc\u30d6\u306f\u3001\u5b9f\u969b\u306e\u30e9\u30b9\u30c8\u30de\u30a4\u30eb\u306e\u72b6\u6cc1\u3092\u53cd\u6620\u3057\u3066\u3044\u307e\u3059\u3002\u4e21\u8005\u3092\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30dd\u30ea\u30b7\u30fc\u304c\u9069\u5207\u306b\u6a5f\u80fd\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3001\u3042\u308b\u3044\u306f\u30dd\u30ea\u30b7\u30fc\u304c <strong>\u8fd1\u3055<\/strong> \u6253\u3064\u3002.<\/p>\n\n<table>\n  <thead>\n    <tr>\n      <th>\u6307\u6a19<\/th>\n      <th>\u610f\u5473<\/th>\n      <th>\u826f\u3044\uff08\u76ee\u5b89\uff09<\/th>\n      <th>\u8b66\u5831\u4fe1\u53f7<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8\u52b9\u7387\u4fc2\u6570 (\u03b1)<\/td>\n      <td>\u5b9f\u969b\u306eRTT\u3068\u6700\u826f\u306eRTT\u306e\u6bd4\u7387<\/td>\n      <td>\u4e2d\u592e\u5024 1.3 \u4ee5\u4e0b<\/td>\n      <td>\u591a\u304f\u306e\u5730\u57df\u3067 2.0 \u4ee5\u4e0a<\/td>\n    <\/tr>\n    <tr>\n      <td>\u6700\u5bc4\u308a\u306e\u30b5\u30a4\u30c8\u3078\u306eRTT<\/td>\n      <td>\u5230\u9054\u53ef\u80fd\u6642\u9593\u306e\u4e0b\u9650<\/td>\n      <td>&lt; 20\uff5e30 \u30df\u30ea\u79d2\uff08\u5730\u57df\u306b\u3088\u3063\u3066\u7570\u306a\u308b\uff09<\/td>\n      <td>&gt; 60 \u30df\u30ea\u79d2\u3001\u7406\u7531\u306a\u3057<\/td>\n    <\/tr>\n    <tr>\n      <td>\u6700\u9069\u3067\u306f\u306a\u3044\u30eb\u30fc\u30c8\u306e\u5272\u5408<\/td>\n      <td>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u8aa4\u3063\u305f\u5272\u308a\u5f53\u3066<\/td>\n      <td>&lt; 10%<\/td>\n      <td>&gt; 20% \u983b\u7e41<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u30d2\u30c3\u30c8\u7387<\/td>\n      <td>\u30ad\u30e3\u30c3\u30b7\u30e5\u304b\u3089\u306e\u56de\u7b54\u5272\u5408<\/td>\n      <td>&gt; 90%\uff08\u30ec\u30be\u30eb\u30d0\u30fc\u7528\uff09<\/td>\n      <td>&lt; 70% \u6c38\u4e45<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<h2>\u5b9f\u52d9\u3067\u3088\u304f\u3042\u308b\u843d\u3068\u3057\u7a74<\/h2>\n\n<p>\u5b9a\u756a\u306e\u30b1\u30fc\u30b9\uff1aBGP\u30dd\u30ea\u30b7\u30fc\u306f\u3001\u3088\u308a\u8fd1\u3044\u30d1\u30b9\u304c\u5b58\u5728\u3059\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u3088\u308a\u9060\u3044ASN\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8a98\u5c0e\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30ed\u30fc\u30ab\u30eb\u30dd\u30ea\u30b7\u30fc\u304c\u6c7a\u5b9a\u7684\u306a <strong>\u767a\u75b9<\/strong> \u500b\u3005\u306e\u30ce\u30fc\u30c9\u306b\u969c\u5bb3\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u5225\u306e\u5927\u9678\u306b\u98db\u3073\u79fb\u308b\u3053\u3068\u304c\u3042\u308a\u3001200\uff5e300 \u30df\u30ea\u79d2\u306e\u8ffd\u52a0\u9045\u5ef6\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u516c\u958b\u3055\u308c\u305f\u30ea\u30be\u30eb\u30d0\u30fc\u74b0\u5883\u3067\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u3067\u306f\u3001\u30a2\u30ca\u30a6\u30f3\u30b9\u969c\u5bb3\u5f8c\u306b 300 \u30df\u30ea\u79d2\u4ee5\u4e0a\u306e\u9045\u5ef6\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u30ce\u30fc\u30c9\u30a2\u30d5\u30a3\u30cb\u30c6\u30a3\u3082\u6642\u6298\u6a5f\u80fd\u3057\u306a\u304f\u306a\u308a\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u30ce\u30fc\u30c9\u306e\u5207\u308a\u66ff\u3048\u3092\u76ee\u6483\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u7a7a\u306b\u306a\u308a\u307e\u3059\u3002 \u63a5\u7d9a\u304c\u5f31\u3044\u5730\u57df\u3067\u306f\u3001Anycast \u304c\u6709\u52b9\u3067\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001POP \u306e\u6570\u304c\u5c11\u306a\u3044\u3053\u3068\u3067\u914d\u4fe1\u306e\u54c1\u8cea\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u306a <strong>\u5e73\u5747\u5024<\/strong> \u96e2\u308c\u308b\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/anycastdns-tests-nachtoffice4921.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u6c7a\u5b9a\uff1a\u30ce\u30fc\u30c9\u3001\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3001\u30d4\u30a2\u30ea\u30f3\u30b0<\/h2>\n\n<p>\u79c1\u306f\u3001\u4e00\u5f8b\u306e\u57fa\u6e96\u3067\u306f\u306a\u304f\u3001\u4e88\u60f3\u3055\u308c\u308b\u30e6\u30fc\u30b6\u30fc\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306b\u57fa\u3065\u3044\u3066\u30ce\u30fc\u30c9\u306e\u6570\u3092\u8a08\u753b\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u5f15\u7528<\/strong>. \u512a\u308c\u305f\u63a5\u7d9a\u6027\u3068\u826f\u597d\u306a\u30d4\u30a2\u30ea\u30f3\u30b0\u3092\u5099\u3048\u305f\u5c11\u6570\u306ePOP\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u591a\u304f\u306e\u8106\u5f31\u306a\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u660e\u3089\u304b\u306b\u4e0a\u56de\u308a\u307e\u3059\u3002\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u306e\u9577\u3055\u3001\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3001\u5730\u57df\u5206\u5272\u306b\u3088\u3063\u3066\u3001\u30dd\u30ea\u30b7\u30fc\u304c\u771f\u306e\u8fd1\u63a5\u6027\u3092\u9078\u629e\u3059\u308b\u304b\u3001\u8fc2\u56de\u3092\u9078\u629e\u3059\u308b\u304b\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002\u53b3\u3057\u3044\u8981\u4ef6\u306e\u3042\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u73fe\u5730\u3067\u30d4\u30a2\u30ea\u30f3\u30b0\u306e\u6a5f\u4f1a\u3092\u78ba\u8a8d\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u3088\u308a\u7d30\u304b\u3044\u5236\u5fa1\u306e\u305f\u3081\u306b\u5c0f\u3055\u306a\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002 \u7269\u7406\u7684\u306a\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3068\u30c7\u30fc\u30bf\u4fdd\u8b77\u306b\u3068\u3063\u3066\u4f9d\u7136\u3068\u3057\u3066\u91cd\u8981\u3067\u3042\u308a\u3001\u3053\u306e\u30ac\u30a4\u30c9\u304c\u53c2\u8003\u306b\u306a\u308a\u307e\u3059\u3002 <a href=\"https:\/\/webhosting.de\/ja\/%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e3%81%ae%e5%a0%b4%e6%89%80-%e3%83%9b%e3%82%b9%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0-%e3%83%ac%e3%82%a4%e3%83%86%e3%83%b3%e3%82%b7%e3%83%bc-%e3%83%87%e3%83%bc\/\">\u30b5\u30fc\u30d0\u30fc\u306e\u5834\u6240\u3068\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc<\/a> \u30af\u30ea\u30a2\u3067 <strong>\u30d2\u30f3\u30c8<\/strong>.<\/p>\n\n<h2>\u5b9f\u8df5\u30ac\u30a4\u30c9\uff1a\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306e\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7<\/h2>\n\n<p>\u307e\u305a\u3001\u73fe\u72b6\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u307e\u3059\u3002\u6a29\u5a01\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306f\u3069\u306e\u4f4d\u7f6e\u306b\u3042\u308a\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u898b\u3066\u3069\u306e\u7a0b\u5ea6\u306e RTT \u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u5730\u57df\u3054\u3068\u306b\u5916\u308c\u5024\u306f\u3069\u306e\u3088\u3046\u306b\u5206\u5e03\u3057\u3066\u3044\u308b\u304b\u3092\u628a\u63e1\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u983b\u7e41\u306b\u554f\u3044\u5408\u308f\u305b\u306e\u3042\u308b\u30be\u30fc\u30f3\u306e TTL \u3092\u6700\u9069\u5316\u3057\u3001\u30ea\u30be\u30eb\u30d0\u30fc\u304c\u518d\u554f\u3044\u5408\u308f\u305b\u3092\u884c\u3046\u983b\u5ea6\u3092\u6e1b\u3089\u3057\u3001\u30d4\u30fc\u30af\u3092\u6392\u9664\u3057\u307e\u3059\u3002 \u305d\u306e\u5f8c\u3001BGP \u30a2\u30ca\u30a6\u30f3\u30b9\u3092\u8abf\u6574\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3092\u30c6\u30b9\u30c8\u3057\u3001\u30d4\u30a2\u304c\u5b9f\u969b\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u3069\u306e\u3088\u3046\u306b\u51e6\u7406\u3057\u3066\u3044\u308b\u304b\u3092\u5206\u6790\u3057\u307e\u3059\u3002\u9855\u8457\u306a\u5730\u57df\u306b\u3064\u3044\u3066\u306f\u3001\u52b9\u7387\u6307\u6a19 \u03b1 \u304c\u660e\u3089\u304b\u306b\u4f4e\u4e0b\u3059\u308b\u307e\u3067\u3001\u30d4\u30a2\u30ea\u30f3\u30b0\u3001\u65b0\u3057\u3044 POP\u3001\u307e\u305f\u306f\u4ee3\u66ff\u30d1\u30b9\u306a\u3069\u306e\u30ed\u30fc\u30ab\u30eb\u306a\u6539\u5584\u7b56\u3092\u8b1b\u3058\u307e\u3059\u3002\u305d\u306e\u5f8c\u306b\u521d\u3081\u3066\u3001\u5225\u306e\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u672c\u5f53\u306b\u6709\u76ca\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3001\u3042\u308b\u3044\u306f\u4f55\u3088\u308a\u3082 <strong>\u6563\u4e71<\/strong> \u751f\u6210\u3055\u308c\u308b\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/anycastdns_testdesk_7492.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u6e2c\u5b9a\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3068\u8a55\u4fa1\u306e\u4f8b<\/h2>\n\n<p>\u30b0\u30ed\u30fc\u30d0\u30eb\u30be\u30fc\u30f3\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u5411\u3051\u306b\u3001\u5404\u5730\u57df\u3054\u3068\u306b\u5b9a\u671f\u7684\u306b\u6e2c\u5b9a\u3092\u884c\u3063\u3066\u3044\u307e\u3059\uff1a\u4e2d\u592e\u5024RTT\u300195\u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb\u3001\u03b1\u3092\u30ed\u30fc\u30ab\u30eb\u30d9\u30b9\u30c8\u30ce\u30fc\u30c9\u3068\u6bd4\u8f03\u3057\u3001\u5927\u898f\u6a21\u30ad\u30e3\u30c3\u30b7\u30e5\u30d2\u30c3\u30c8\u7387\u3092\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u30ea\u30be\u30eb\u30d0<\/strong>. \u79c1\u306f\u3001\u500b\u3005\u306e\u30ce\u30fc\u30c9\u306e\u5185\u90e8 IP \u3078\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30d7\u30ed\u30fc\u30d6\u3068\u3053\u308c\u3089\u306e\u6570\u5024\u3092\u6bd4\u8f03\u3057\u3066\u3001\u300c\u7269\u7406\u7684\u306a\u300d\u4e0b\u9650\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u03b1 \u304c\u9ad8\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30b7\u30f3\u30b0\u30eb\u30ce\u30fc\u30c9\u306e RTT \u304c\u826f\u597d\u3067\u3042\u308b\u5834\u5408\u306f\u3001\u554f\u984c\u306f\u307b\u307c\u78ba\u5b9f\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u3042\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3042\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3068\u8a00\u3048\u307e\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u30d4\u30a2\u30ea\u30f3\u30b0\u3001\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3001\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u9078\u629e\u3092\u4fee\u6b63\u3059\u3079\u304d\u304b\u3069\u3046\u304b\u3092\u3001\u7684\u3092\u7d5e\u3063\u3066\u7279\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u6e2c\u5b9a\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u306b\u3088\u308a\u3001\u76f2\u76ee\u7684\u306a\u5909\u66f4\u3092\u9632\u304e\u3001\u5b9f\u969b\u306e <strong>\u30dc\u30c8\u30eb\u30cd\u30c3\u30af<\/strong>.<\/p>\n\n<h2>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\uff1aUDP\u3001TCP\u3001DoT\u3001DoH\u3001DoQ<\/h2>\n\n<p>Anycast \u304c\u300c\u9ad8\u901f\u300d\u306b\u6a5f\u80fd\u3059\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u307e\u3059\u3002\u5f93\u6765\u306e DNS \u306f <strong>UDP<\/strong>, \u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u304c\u4e0d\u8981\u3067\u3001\u901a\u5e38\u306f\u6700\u901f\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u5fdc\u7b54\u30b5\u30a4\u30ba\u3084\u30d1\u30b1\u30c3\u30c8\u640d\u5931\u304c\u554f\u984c\u3068\u306a\u308b\u5834\u5408\u306f\u4f8b\u5916\u3067\u3059\u3002\u5207\u308a\u6368\u3066\uff08TC\u30d5\u30e9\u30b0\uff09\u306b\u3088\u3063\u3066\u5fdc\u7b54\u304c <strong>TCP<\/strong> \u623b\u308b\u5834\u5408\u3001\u3059\u3050\u306b\u8ffd\u52a0\u306e\u5f80\u5fa9\u304c\u767a\u751f\u3057\u307e\u3059\u3002 <strong>DoT\/DoH<\/strong> (DNS over TLS\/HTTPS) \u306b\u306f TLS \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002\u5b9f\u969b\u306b\u306f\u3001DoH \u63a5\u7d9a\u306f\u983b\u7e41\u306b\u518d\u5229\u7528\u3055\u308c\u308b\u305f\u3081\u3001\u6700\u521d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u4ee5\u964d\u306e\u8ffd\u52a0\u30b3\u30b9\u30c8\u306f\u6e1b\u5c11\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30a2\u30af\u30bb\u30b9\u304c\u96c6\u4e2d\u3059\u308b\u30be\u30fc\u30f3\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u8a08\u753b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n  <li>\u65ad\u7247\u5316\u3092\u907f\u3051\u308b\u305f\u3081\u3001EDNS0\u30d0\u30c3\u30d5\u30a1\u306f\u63a7\u3048\u3081\u306a\u30b5\u30a4\u30ba\uff08\u4f8b\uff1a1232\uff5e1400\u30d0\u30a4\u30c8\uff09\u306b\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n  <li>DoT\/DoH\/DoQ \u30dd\u30fc\u30c8\u3092\u3059\u3079\u3066\u540c\u3058\u3088\u3046\u306b\u7d42\u7aef\u3057\u3066\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u6df7\u5728\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001Anycast \u30ce\u30fc\u30c9\u304c\u4e00\u8cab\u3057\u305f\u53cd\u5fdc\u3092\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/li>\n  <li>UDP \u306e\u6700\u9069\u5316\u3060\u3051\u3067\u306a\u304f\u3001TCP \u304a\u3088\u3073 TLS \u306e\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\uff08\u521d\u671f\u8f3b\u8f33\u30a6\u30a3\u30f3\u30c9\u30a6\u3001\u53ef\u80fd\u306a\u5834\u5408\u306f DoT\/DoQ \u3067\u306e 0-RTT\uff09\u3082\u7a4d\u6975\u7684\u306b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ul>\n<p>\u7279\u306b\u30e2\u30d0\u30a4\u30eb\u30a2\u30af\u30bb\u30b9\u3067\u306f\u3001UDP \u3067\u306f\u30d1\u30b1\u30c3\u30c8\u640d\u5931\u304c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306b\u3064\u306a\u304c\u308b\u3053\u3068\u304c\u591a\u3044\u305f\u3081\u3001\u5805\u7262\u306a DoH\/DoQ \u5b9f\u88c5\u304c\u52b9\u679c\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\u79c1\u306f\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u30d5\u30a1\u30df\u30ea\u30fc\u3054\u3068\u306b\u500b\u5225\u306b\u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u6e2c\u5b9a\u3057\u3001\u4e2d\u592e\u5024\u3060\u3051\u3067\u306a\u304f\u5206\u5e03\u3082\u6bd4\u8f03\u3057\u3066\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u30d1\u30b9\u3092\u53cd\u6620\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/dns-serveranalyse-5432.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u5fdc\u7b54\u30b5\u30a4\u30ba\u3001DNSSEC\u3001\u304a\u3088\u3073\u30d5\u30e9\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3<\/h2>\n\n<p>\u5927\u304d\u306a\u56de\u7b54\u306f\u30ec\u30a4\u30c6\u30f3\u30b7\u306e\u8981\u56e0\u3068\u306a\u308a\u307e\u3059\u3002. <strong>\u30c7\u30a3\u30ca\u30bb\u30c3\u30af<\/strong>, \u3001SVCB\/HTTPS\u30ec\u30b3\u30fc\u30c9\u3001\u591a\u6570\u306eNS\u307e\u305f\u306fTXT\u30a8\u30f3\u30c8\u30ea\u306f\u3001\u4e00\u822c\u7684\u306aMTU\u5236\u9650\u3092\u8d85\u3048\u3066\u30d1\u30b1\u30c3\u30c8\u3092\u8ee2\u9001\u3057\u307e\u3059\u3002\u65ad\u7247\u5316\u3055\u308c\u305fUDP\u30d1\u30b1\u30c3\u30c8\u306f\u3088\u308a\u983b\u7e41\u306b\u5931\u308f\u308c\u3001\u305d\u306e\u5f8c\u306eTCP\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u306b\u306f\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u79c1\u306f\u3001\u5fdc\u7b54\u304c\u30b3\u30f3\u30d1\u30af\u30c8\u306b\u4fdd\u305f\u308c\u308b\u3088\u3046\u306b\u30be\u30fc\u30f3\u3092\u8a08\u753b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n  <li>\u30b7\u30e7\u30fc\u30c8 <strong>RRSIG<\/strong>-\u30c1\u30a7\u30fc\u30f3\uff08\u9577\u3044RSA\u30ad\u30fc\u306e\u4ee3\u308f\u308a\u306bECDSA\/ECDSAP256\uff09\u306b\u3088\u308b\u5c0f\u3055\u306a\u7f72\u540d\u3002.<\/li>\n  <li>\u610f\u5473\u306e\u3042\u308b\u59d4\u4efb\uff1a\u6a29\u9650\/\u8ffd\u52a0\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u4e0d\u8981\u306a\u8ffd\u52a0\u30a8\u30f3\u30c8\u30ea\u306f\u8a18\u8f09\u3057\u306a\u3044\u3002.<\/li>\n  <li>SVCB\/HTTPS \u3092\u610f\u8b58\u7684\u306b\u4f7f\u7528\u3057\u3001\u5207\u308a\u6368\u3066\u304c\u3069\u306e\u304f\u3089\u3044\u306e\u983b\u5ea6\u3067\u767a\u751f\u3059\u308b\u304b\u30c6\u30b9\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ul>\n<p>EDNS0\u30d0\u30c3\u30d5\u30a1\u306e\u5c0f\u578b\u5316\u3068\u30b9\u30ea\u30e0\u306a\u5fdc\u7b54\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308a\u3001\u518d\u9001\u4fe1\u304c\u6e1b\u5c11\u3057\u3066\u5b89\u5b9a\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002 <strong>\u901a\u4fe1\u4e8b\u696d\u8005<\/strong>-\u5206\u5e03\u3002\u79c1\u306e\u5206\u6790\u3067\u306f\u300195\u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb\u306899\u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u9045\u5ef6\u3092\u611f\u3058\u308b\u307e\u3055\u306b\u305d\u306e\u90e8\u5206\u3067\u3001\u4e2d\u592e\u5024\u3088\u308a\u3082\u5927\u304d\u304f\u7e2e\u5c0f\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n<h2>\u5b89\u5b9a\u6027\u5bfe\u901f\u5ea6\uff1a\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3068\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc<\/h2>\n\n<p>Anycast \u306f\u3001\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u306e\u8a2d\u5b9a\u304c\u4e0d\u9069\u5207\u306a\u5834\u5408\u3001\u307b\u3068\u3093\u3069\u8a31\u5bb9\u3057\u307e\u305b\u3093\u3002\u904e\u5ea6\u306b\u7a4d\u6975\u7684\u306a\u64a4\u9000\u30ed\u30b8\u30c3\u30af\u306f\u3001 <strong>\u30d5\u30e9\u30c3\u30d7<\/strong>, \u4fdd\u5b88\u7684\u306a\u30c1\u30a7\u30c3\u30af\u306f\u3001\u8aa4\u3063\u305f\u30ce\u30fc\u30c9\u3092\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u9577\u3059\u304e\u308b\u6642\u9593\u4fdd\u6301\u3057\u307e\u3059\u3002\u79c1\u306f\u4ee5\u4e0b\u3092\u91cd\u8996\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n  <li>ICMP\u3060\u3051\u3067\u306a\u304f\u3001\u8907\u5408\u7684\u306a\u30d8\u30eb\u30b9\u4fe1\u53f7\uff08\u30ed\u30fc\u30ab\u30eb\u30d7\u30ed\u30fc\u30d6\u3001\u5916\u90e8\u30c1\u30a7\u30c3\u30af\u3001\u30b5\u30fc\u30d3\u30b9\u30b9\u30c6\u30fc\u30bf\u30b9\uff09\u3082\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/li>\n  <li>BGP \u30a2\u30ca\u30a6\u30f3\u30b9\u306b\u304a\u3051\u308b\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u3068\u6e1b\u8870\u306b\u3088\u308a\u3001\u77ed\u6642\u9593\u306e\u969c\u5bb3\u304c\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u5207\u308a\u66ff\u3048\u3092\u5f15\u304d\u8d77\u3053\u3055\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/li>\n  <li>BFD \u306b\u3088\u308b\u8fc5\u901f\u306a\u691c\u51fa\u3001\u3057\u304b\u3057\u30ad\u30e3\u30c3\u30b7\u30e5\u30a2\u30d5\u30a3\u30cb\u30c6\u30a3\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306e\u5236\u5fa1\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u306e\u5fa9\u5e30\uff08\u30b0\u30ec\u30a4\u30b9\u30d5\u30eb\u30ea\u30bf\u30fc\u30f3\uff09\u3002.<\/li>\n<\/ul>\n<p>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6642\u306b\u306f\u3001\u30ed\u30fc\u30ab\u30eb\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u6e1b\u3089\u3057\u3066\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u901a\u77e5\u3057\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6d41\u3057\u3066\u304b\u3089\u3001\u30ce\u30fc\u30c9\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u5b8c\u5168\u306b\u5207\u65ad\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u30d1\u30b9\u304c\u5b89\u5b9a\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30b3\u30fc\u30eb\u30c9\u30b9\u30bf\u30fc\u30c8\u304c\u56de\u907f\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n<h2>\u4e00\u8cab\u6027\u3001TTL \u6226\u7565\u3001\u304a\u3088\u3073\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52d5\u4f5c<\/h2>\n\n<p>\u901f\u5ea6\u306f <strong>\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong> \u2013 \u4e00\u8cab\u6027\u304c\u3001\u305d\u306e\u5b89\u5b9a\u6027\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u66f4\u65b0\u306b\u3064\u3044\u3066\u306f\u3001TTL \u3068\u5909\u66f4\u983b\u5ea6\u3092\u30d0\u30e9\u30f3\u30b9\u3055\u305b\u3066\u3044\u307e\u3059\u3002\u983b\u7e41\u306b\u8981\u6c42\u3055\u308c\u3001\u5909\u66f4\u304c\u307b\u3068\u3093\u3069\u306a\u3044\u30ec\u30b3\u30fc\u30c9\u306b\u306f\u3001\u3088\u308a\u9ad8\u3044 TTL \u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u52d5\u7684\u306a\u30a8\u30f3\u30c8\u30ea\u306b\u306f\u3001\u9069\u5ea6\u306a TTL \u3068\u30bb\u30ab\u30f3\u30c0\u30ea\u3078\u306e\u4e8b\u524d\u901a\u77e5 (NOTIFY) \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3082\u6709\u52b9\u3067\u3059\u3002<\/p>\n<ul>\n  <li><strong>\u30b5\u30fc\u30d6\u30b9\u30c6\u30fc\u30eb<\/strong>\uff1a\u4e0a\u6d41\u306e\u969c\u5bb3\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u30ea\u30be\u30eb\u30d0\u30fc\u306f\u4e00\u6642\u7684\u306b\u53e4\u3044\u5fdc\u7b54\u3092\u8fd4\u3057\u3066\u3082\u304b\u307e\u3044\u307e\u305b\u3093\u3002\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3088\u308a\u3082\u826f\u3044\u65b9\u6cd5\u3067\u3059\u3002.<\/li>\n  <li><strong>\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1<\/strong> TTL\u306e\u7d42\u4e86\u9593\u969b\u306b\u3001\u4eba\u6c17\u306e\u3042\u308b\u30a8\u30f3\u30c8\u30ea\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u6700\u65b0\u306e\u72b6\u614b\u3068\u3057\u3066\u6b8b\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/li>\n  <li>\u610f\u8b58\u7684\u306a <strong>\u30cd\u30ac\u30c6\u30a3\u30d6\u30fb\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/strong> (NXDOMAIN TTL) \u306f\u3001\u4eba\u6c17\u306e\u3042\u308b\u304c\u8aa4\u3063\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n<p>\u3059\u3079\u3066\u306e\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8\u30ce\u30fc\u30c9\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u30bf\u30a4\u30e0\u30ea\u30fc\u306b\u5c4a\u304f\u304b\uff08SOA \u306b\u3088\u308b\u30b7\u30ea\u30a2\u30eb\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\uff09\u3092\u78ba\u8a8d\u3057\u3001\u53ce\u675f\u307e\u3067\u306e\u6642\u9593\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u5206\u914d\u304c\u9069\u5207\u306b\u884c\u308f\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\u3067\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3092\u6700\u9069\u5316\u3059\u308b\u3068\u3001\u5fdc\u7b54\u306b\u4e00\u8cab\u6027\u304c\u306a\u304f\u306a\u308a\u3001\u7d50\u679c\u3068\u3057\u3066\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>IPv6\u3001\u30c7\u30e5\u30a2\u30eb\u30b9\u30bf\u30c3\u30af\u3001\u975e\u5bfe\u79f0\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/h2>\n\n<p>\u591a\u304f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001IPv4 \u3068 IPv6 \u306e\u7d4c\u8def\u306f\u660e\u3089\u304b\u306b\u7570\u306a\u308a\u307e\u3059\u3002\u79c1\u306f\u6e2c\u5b9a\u3057\u307e\u3059\u3002 <strong>\u30c7\u30e5\u30a2\u30eb\u30b9\u30bf\u30c3\u30af<\/strong> \u5e38\u306b\u5206\u96e2\uff1a\u03b1\u3001\u4e2d\u592e\u5024 RTT\u3001\u304a\u3088\u3073 IP \u30d5\u30a1\u30df\u30ea\u30fc\u3054\u3068\u306e\u5916\u308c\u5024\u3002v6 \u306e\u63a5\u7d9a\u304c\u52a3\u3063\u305f\u308a\u3001\u4ed6\u306e\u30dd\u30ea\u30b7\u30fc\u306b\u5f93\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u3082\u73cd\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u79c1\u306f\u3001\u540c\u4e00\u306e\u544a\u77e5\u3001\u8abf\u6574\u3055\u308c\u305f\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3001\u304a\u3088\u3073\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u7d5e\u3063\u305f v6 \u30d4\u30a2\u30ea\u30f3\u30b0\u306b\u3088\u3063\u3066\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u3066\u3044\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u306f Happy Eyeballs \u304c\u6a5f\u80fd\u3059\u308b\u305f\u3081\u3001\u512a\u308c\u305f v6 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u300c\u3042\u308c\u3070\u826f\u3044\u3082\u306e\u300d\u3067\u306f\u306a\u304f\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306b\u76f4\u63a5\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002.<\/p>\n\n<h2>\u6e2c\u5b9a\u8aa4\u5dee\u3092\u907f\u3051\u308b\uff1a\u79c1\u304c\u3057\u306a\u3044\u3053\u3068<\/h2>\n\n<p>ICMP ping \u3092 Anycast IP \u3067\u6e2c\u5b9a\u3059\u308b\u3068\u3001\u73fe\u5b9f\u3068\u306f\u304b\u3051\u96e2\u308c\u305f\u7d50\u679c\u306b\u306a\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001\u30ec\u30fc\u30c8\u5236\u9650\u3001DNS \u304b\u3089\u5207\u308a\u96e2\u3055\u308c\u305f ICMP \u30dd\u30ea\u30b7\u30fc\u304c\u7d50\u679c\u3092\u6b6a\u3081\u308b\u304b\u3089\u3067\u3059\u3002\u30af\u30e9\u30a6\u30c9\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3067\u306f\u3001\u5927\u9678\u5168\u4f53\u3092\u96a0\u3057\u3066\u3057\u307e\u3046\u5358\u4e00\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u3082\u540c\u69d8\u306b\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u79c1\u306f\u6b21\u306e\u3088\u3046\u306b\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/p>\n<ul>\n  <li>\u5b9f\u969b\u306e\u30af\u30a8\u30ea\uff08A\/AAAA\u3001NXDOMAIN\u3001DNSSEC \u691c\u8a3c\u6e08\u307f\uff09\u306b\u3088\u308b UDP\/53\u3001TCP\/53\u3001\u304a\u3088\u3073 DoH\/DoT \u306e RTT\u3002.<\/li>\n  <li>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3060\u3051\u3067\u306a\u304f\u3001ISP\u304a\u3088\u3073\u30e2\u30d0\u30a4\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u8fd1\u3044\u30d7\u30ed\u30fc\u30d6\u3002.<\/li>\n  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<li>\u5730\u57df\u304a\u3088\u3073IP\u30d5\u30a1\u30df\u30ea\u30fc\u3054\u3068\u306e\u6708\u6b21\u03b1\u30ec\u30d3\u30e5\u30fc\u3001\u5177\u4f53\u7684\u306aISP\u3092\u542b\u3080\u7570\u5e38\u5024\u30ea\u30b9\u30c8\u3002.<\/li>\n  <li>\u56db\u534a\u671f\u3054\u3068\u306b <strong>\u30ab\u30aa\u30b9\u30c9\u30ea\u30eb<\/strong> \uff08\u30ce\u30fc\u30c9\u64a4\u9000\u3001\u30ea\u30f3\u30af\u30c0\u30a6\u30f3\uff09\u30c9\u30ea\u30eb\u524d\u5f8c\u306e\u30e1\u30c8\u30ea\u30c3\u30af\u6bd4\u8f03\u4ed8\u304d\u3002.<\/li>\n  <li>\u30be\u30fc\u30f3\u5909\u66f4\u306e\u30ea\u30ea\u30fc\u30b9\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff1a\u5fdc\u7b54\u30b5\u30a4\u30ba\u3001DNSSEC \u306e\u5f71\u97ff\u3001\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u5316\u306e\u30ea\u30b9\u30af\u3001TTL \u306e\u5f71\u97ff\u3002.<\/li>\n  <li>\u30d4\u30a2\u30ea\u30f3\u30b0\u76e3\u67fb\uff1a\u30b3\u30b9\u30c8\/\u4fbf\u76ca\u3001\u5bb9\u91cf\u3001\u30d1\u30b1\u30c3\u30c8\u640d\u5931\u3001\u30b8\u30c3\u30bf\u30fc\u3001\u660e\u78ba\u306a\u9650\u754c\u5024\u304a\u3088\u3073\u30a8\u30b9\u30ab\u30ec\u30fc\u30b7\u30e7\u30f3\u624b\u9806\u3002.<\/li>\n  <li>\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u3068\u6587\u66f8\u5316\u3055\u308c\u305f\u3057\u304d\u3044\u5024\u3092\u5099\u3048\u305f\u3001\u900f\u660e\u6027\u306e\u9ad8\u3044\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u30dd\u30ea\u30b7\u30fc\u3002.<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u30eb\u30fc\u30c1\u30f3\u306b\u3088\u308a\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3001\u5b89\u5b9a\u6027\u3001\u4e00\u8cab\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u4fdd\u305f\u308c\u3001Anycast 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