{"id":2575,"date":"2017-07-02T02:23:12","date_gmt":"2017-07-01T17:23:12","guid":{"rendered":"http:\/\/blog.xcir.net\/?p=2575"},"modified":"2017-07-07T01:34:18","modified_gmt":"2017-07-06T16:34:18","slug":"cdn%e3%81%a8%e3%81%ae%e4%bb%98%e3%81%8d%e5%90%88%e3%81%84%e6%96%b9","status":"publish","type":"post","link":"http:\/\/blog.xcir.net\/?p=2575","title":{"rendered":"CDN\u3068\u306e\u4ed8\u304d\u5408\u3044\u65b9"},"content":{"rendered":"<p>\u6700\u8fd1\u4f55\u304b\u3068\u8a71\u984c\u306aCDN\u3067\u3059\u304c\u3001\u305d\u3082\u305d\u3082CDN\u3063\u3066\u306a\u3093\u3060\u308d\u3046\u30fb\u30fb\u30fb\u3069\u3093\u306a\u3053\u3068\u306b\u4f7f\u3048\u308b\u3093\u3060\u308d\u3046\uff1f\u7684\u306a\u3053\u3068\u3092\u66f8\u3044\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u4e00\u5fdc\u5148\u306b\u8a00\u3063\u3066\u304a\u304f\u3068\u3001\u79c1\u306fCDN\u696d\u8005\u306b\u6240\u5c5e\u3057\u305f\u3053\u3068\u306a\u3044\u306e\u3067\u3042\u304f\u307e\u3067\u3082\u5229\u7528\u8005\u3068\u3057\u3066\u898b\u305f\u6642\u306e\u8a71\u3092\u66f8\u304d\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u79c1\u306e\u8003\u3048\u3067\u3042\u308a\u3001\u69d8\u3005\u306a\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u304c\u3042\u308b\u306a\u304b\u3067\u3053\u308c\u304c\u3059\u3079\u3066\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u3001\u3053\u3093\u306a\u8003\u3048\u3082\u3042\u308b\u3093\u3060\u306a\u3041\u3050\u3089\u3044\u306b\u601d\u3063\u3066\u3082\u3089\u3048\u308b\u3068\u52a9\u304b\u308a\u307e\u3059\u3002<\/p>\n<h1>\u305d\u3082\u305d\u3082CDN\u3063\u3066\u306a\u3093\u3060\u308d\u3046\u304b<\/h1>\n<p>\u305d\u3082\u305d\u3082CDN\u306f<strong><font color='red'>Content<\/font><\/strong> Delivery Network\u306e\u7565\u3067\u3042\u3063\u3066<strong><font color='red'>Cache<\/font><\/strong> Delivery Network\u306e\u7565\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u8981\u306f\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u9ad8\u901f\u30fb\u52b9\u7387\u7684\u306b\u914d\u4fe1\u3059\u308b\u305f\u3081\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3059\u3002<br \/>\n\u826f\u304fCDN\u3068\u3044\u3048\u3070\u305d\u306e\u6210\u308a\u7acb\u3061\u304b\u3089\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u3044\u3046\u30a4\u30e1\u30fc\u30b8\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u91cd\u8981\u306a\u8981\u7d20\u306e\u4e00\u3064\u3067\u306f\u3042\u308b\u3082\u306e\u306eCDN\u306e\u5168\u3066\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u3055\u3089\u306b\u8a00\u3048\u3070Akamai\u306e<a href=\"https:\/\/www.akamai.com\/jp\/ja\/solutions\/intelligent-platform\/\">Intelligent Platform<\/a>\u3084Fastly\u306e<a href=\"https:\/\/www.fastly.com\/edge-cloud-platform\">Edge cloud platform<\/a>\u3001CloudFlare\u3067\u306f\u7279\u306b\u7279\u6709\u306e\u540d\u524d\u306f\u3064\u3044\u3066\u3044\u307e\u305b\u3093\u304c<a href=\"https:\/\/www.cloudflare.com\/cdn\/\">Our platform<\/a>\u3068\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u8981\u306fCDN\u306f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306a\u306e\u3067\u3059\u3002\u305d\u306e\u4e0a\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3084\u5f8c\u8ff0\u3059\u308b\u69d8\u3005\u306a\u6a5f\u80fd\u306a\u3069\u304c\u30a2\u30c9\u30aa\u30f3\u3055\u308c\u3066\u3044\u308b\u3068\u601d\u3063\u3066\u3082\u3089\u3048\u308b\u3068\u826f\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h1>CDN\u306e\u4f5c\u308a\u65b9<\/h1>\n<p>CDN\u306e\u6b63\u4f53\u3068\u306f\u306a\u3093\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\n\u5272\u3068\u30d6\u30e9\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u306e\u3088\u3046\u306b\u601d\u3048\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u5b9f\u306fProxy(\u914d\u4fe1\u30b5\u30fc\u30d0)\u3068GSLB(\u5e83\u57df\u8ca0\u8377\u5206\u6563)\u3092\u57fa\u672c\u3068\u3057\u305f\u3082\u306e\u3067\u3059\u3002<br \/>\n\u306a\u306e\u3067\u8a00\u3063\u3066\u3057\u307e\u3046\u3068\u3001AWS\u306eRoute53\u306eGeo, Latency\u30d9\u30fc\u30b9\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u4f7f\u3044\u3001Proxy\u3092\u3044\u308d\u3093\u306a\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u7acb\u3066\u3066\u3057\u307e\u3048\u3070\u3042\u306a\u305f\u3082CDN\u7ba1\u7406\u4eba\u306b\uff01<br \/>\n\u305d\u3057\u3066\u3001\u4f5c\u3063\u305f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u4e0a\u306b\u30b5\u30e0\u30cd\u30a4\u30eb\u30b5\u30fc\u30d0\u3092\u7f6e\u3044\u3066\u3057\u307e\u3048\u3070\u52d5\u7684\u30b5\u30e0\u30cd\u30a4\u30eb\u751f\u6210\u6a5f\u80fd\u304c\u4ed8\u3044\u305fCDN\u306b\u306a\u308a\u307e\u3059\u3057\u3001\u30a8\u30f3\u30b3\u30fc\u30c0\u30fc\u3092\u30fb\u30fb\u30fbWAF\u3092\u30fb\u30fb\u30fb\u307f\u305f\u3044\u306a\u611f\u3058\u306b\u3069\u3093\u3069\u3093\u6a5f\u80fd\u304c\u5897\u3048\u3066\u3044\u304d\u307e\u3059\u3002<br \/>\n\u8aa4\u89e3\u3092\u6050\u308c\u305a\u306b\u3059\u3054\u304f\u4e71\u66b4\u306b\u8a00\u3063\u3066\u3057\u307e\u3048\u3070\u3001\u3053\u308c\u3092\u5927\u898f\u6a21\u306b\u3084\u3063\u3066\u3044\u308b\u306e\u304c\u3044\u308f\u3086\u308bCDN\u696d\u8005\u3068\u3044\u3048\u308b\u3067\u3057\u3087\u3046\u3002<br \/>\n\u307e\u305f\u3001\u65e2\u5b58CDN\u696d\u8005\u306b\u306a\u3044\u6a5f\u80fd\u3092\u4f7f\u3044\u305f\u3044\u3001\u3088\u308a\u67d4\u8edf\u6027\u304c\u307b\u3057\u3044\u3001\u305d\u3082\u305d\u3082\u5927\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u6271\u3063\u3066\u3044\u3066\u81ea\u793e\u306e\u307b\u3046\u304c\u30b3\u30b9\u30c8\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u306a\u3069\u3067\u81ea\u524d\u3067CDN\u3092\u4f5c\u308b\u4eba\u9054\u3082\u3044\u307e\u3059\uff08<a href=\"https:\/\/info.varnish-software.com\/blog\/why-diy-cdn\">DIY CDN<\/a>\uff09\u3002\u3082\u3061\u308d\u3093\u5168\u90e8\u7f6e\u304d\u63db\u3048\u308b\u4eba\u3082\u3044\u308c\u3070\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u3067\u4f7f\u3046\u4eba\u9054\u3082\u3044\u307e\u3059\u3002<br \/>\n\u4f8b\u3048\u3070Spotify\u306f\u53bb\u5e74\u304b\u3089\u81ea\u793e\u3067CDN\u3092\u7acb\u3061\u4e0a\u3052\u3066\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u3067\u4f7f\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002(<a href=\"http:\/\/www.geekpage.jp\/blog\/?id=2017\/6\/20\/2\">Spotify\u306e\u65e5\u672c\u30a4\u30f3\u30d5\u30e9<\/a>)<\/p>\n<h1>CDN\u306e\u6a5f\u80fd\u306b\u3064\u3044\u3066<\/h1>\n<p>\u3055\u3066\u3001\u3053\u3053\u307e\u3067\u3067CDN\u306f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u305d\u3053\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u306a\u3069\u306e\u69d8\u3005\u306a\u6a5f\u80fd\u3092\u30a2\u30c9\u30aa\u30f3\u3057\u305f\u3082\u306e\u3068\u308f\u304b\u3063\u305f\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u3067\u306f\u3001CDN\u306b\u306f\u3069\u3093\u306a\u6a5f\u80fd\u304c\u3042\u308b\u3067\u3057\u3087\u3046\u304b\uff1f\u30e1\u30b8\u30e3\u30fc\u306a\u3082\u306e\u3092\u5e7e\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<br \/>\n<font color=\"#ff0000\">\u5f53\u7136\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u7d39\u4ecb\u3059\u308b\u6a5f\u80fd\u3059\u3079\u3066\u304c\u3069\u306eCDN\u306b\u3082\u3042\u308b\u3082\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u3042\u3063\u305f\u308a\u306a\u304b\u3063\u305f\u308a\u3057\u307e\u3059\u3002<\/font>(\u306a\u306e\u3067\u3046\u307e\u304f\u9078\u3093\u3067\u3044\u304d\u305f\u3044\u3067\u3059\u306d)<\/p>\n<p><strong>\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong><br \/>\n\u3084\u306f\u308aCDN\u3068\u3044\u3048\u3070\u3084\u306f\u308a\u30ad\u30e3\u30c3\u30b7\u30e5\uff01<br \/>\n\u8cb4\u65b9\u304c\u4f8b\u3048\u3070\u30b9\u30de\u30db\u30b2\u30fc\u30e0\u306e\u30a4\u30f3\u30d5\u30e9\u62c5\u5f53\u306e\u5834\u5408\u3001\u5f53\u7136\u30a2\u30bb\u30c3\u30c8\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3092\u3069\u3046\u3057\u3088\u3046\u304b\u8003\u3048\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u30ea\u30ea\u30fc\u30b9\u6642\u306b\u4e00\u6c17\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u8d70\u308a\u3001\u305d\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u6570\u767eGbps\u3092\u8d85\u3048\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\n\u30ea\u30ea\u30fc\u30b9\u6642\u3084\u66f4\u65b0\u6642\u306e\u4e00\u77ac\u306e\u305f\u3081\u3060\u3051\u306b\u30a4\u30f3\u30d5\u30e9\u3092\u69cb\u7bc9\u3057\u3066\u30fb\u30fb\u30fb\u3068\u3044\u3046\u306e\u306f\u3084\u306f\u308a\u7121\u99c4\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u3053\u3053\u3067CDN\u306e\u51fa\u756a\u3067\u3059\u3002<br \/>\n\u30a2\u30bb\u30c3\u30c8\u306f\u4e00\u822c\u7684\u306b\u306f\u9759\u7684\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u306a\u306e\u3067\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u53ef\u80fd\u3067\u3059\u3002<br \/>\n\u307e\u305a\u30e6\u30fc\u30b6\u304c\u30ea\u30af\u30a8\u30b9\u30c8\u3057\u3066\u304d\u305f\u3089\u3001\u6700\u5bc4\u308a\u306eCDN\u306e\u30a8\u30c3\u30b8\u30b5\u30fc\u30d0\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u3055\u308c\u307e\u3059\u3002<br \/>\n\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u3042\u308c\u3070\u305d\u3053\u3067\u30ec\u30b9\u30dd\u30f3\u30b9\u3057\u307e\u3059\u3057\u3001\u306a\u3051\u308c\u3070\u81ea\u793e\u306e\u30b5\u30fc\u30d0\uff08\u30aa\u30ea\u30b8\u30f3\u30b5\u30fc\u30d0\uff09\u306b\u5bfe\u3057\u3066\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u7740\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3053\u3068\u306b\u3088\u308a\u30aa\u30ea\u30b8\u30f3\u30b5\u30fc\u30d0\u3078\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u3001\u306a\u304a\u304b\u3064\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u307f\u308b\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7684\u306b\u8fd1\u3044\u30a8\u30c3\u30b8\u30b5\u30fc\u30d0\u304b\u3089\u53d6\u5f97\u3059\u308b\u3053\u3068\u3067\u3088\u308a\u5feb\u9069\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<br \/>\n\u305d\u3057\u3066\u4e00\u822c\u7684\u306bCDN\u306e\u5e2f\u57df\u30ad\u30e3\u30d1\u30b7\u30c6\u30a3\u306f\u5927\u304d\u304f\u3001\u307e\u305f\u5927\u62b5\u306e\u5834\u5408\u306f\u914d\u4fe1\u30b5\u30a4\u30ba(1GB\u3042\u305f\u308a\u3044\u304f\u3089)\u3067\u306e\u8ab2\u91d1\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u306a\u306e\u3067100Gbps\u3067\u3088\u3046\u304c1Gbps\u3060\u308d\u3046\u304c\u30d4\u30fc\u30af\u3092\u3042\u307e\u308a\u6c17\u306b\u305b\u305a\u30e6\u30fc\u30b6\u306b\u30a2\u30bb\u30c3\u30c8\u3092\u914d\u4fe1\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<br \/>\n\uff08\u203bCDN\u696d\u8005\u306b\u3088\u3063\u3066\u306fQuota\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u305f\u308a\u3059\u308b\u306e\u3067\u4e88\u3081\u4e88\u5b9a\u304c\u308f\u304b\u3063\u3066\u308b\u5834\u5408\u306f\u76f8\u8ac7\u3057\u3066\u304a\u304f\u3068\u826f\u3044\u304b\u3068\u601d\u3044\u307e\u3059\uff09<br \/>\n\u307e\u305f\u4ed6\u306b\u3082\u52d5\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3082\u3042\u308a\u307e\u3059\u304c\u3042\u3068\u3067\u89e6\u308c\u307e\u3059\u3002<\/p>\n<p><strong>Dynamic site acceleration(DSA)<\/strong><br \/>\n\u30ad\u30e3\u30c3\u30b7\u30e5\u4ee5\u5916\u3067\u306e\u9ad8\u901f\u5316\u3092\u884c\u3046\u6280\u8853\u7fa4\u3067\u3059\u3002<br \/>\n<a href=\"https:\/\/www.akamai.com\/jp\/ja\/products\/web-performance\/dynamic-site-accelerator.jsp\">Akamai<\/a>\u3084<a href=\"https:\/\/www.fastly.com\/products\/web-and-mobile-performance\">Fastly<\/a>\u3067\u306f\u305d\u308c\u305e\u308cDSA\u3068\u3044\u3046\u540d\u79f0\u3067\u63d0\u4f9b\u3055\u308c\u3066\u304a\u308a\u3001\u4ed6\u306eCDN\u3067\u3082\u7279\u306b\u660e\u8a18\u306f\u3057\u3066\u306a\u3044\u3082\u306e\u306e\u306a\u3093\u3089\u304b\u306eDSA\u6280\u8853\u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u3053\u308d\u304c\u307b\u3068\u3093\u3069\u3060\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u3056\u3063\u304f\u308a\u89e6\u308c\u3066\u3044\u304d\u307e\u3059<\/p>\n<p>\u30fb\u30b3\u30f3\u30c6\u30f3\u30c4\u306egzip\u5727\u7e2e<br \/>\n\u5727\u7e2e\u3059\u308b\u3053\u3068\u3067\u8ee2\u9001\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3057\u3066\u9ad8\u901f\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u30fb\u30a8\u30c3\u30b8\u3067\u306eTLS\u7d42\u7aef<br \/>\n\u30e6\u30fc\u30b6\u306b\u8fd1\u3044\u30a8\u30c3\u30b8\uff08\u30ec\u30a4\u30c6\u30f3\u30b7\u304c\u5c0f\u3055\u3044\u3053\u3068\u304c\u671f\u5f85\u3067\u304d\u308b\uff09\u3067TLS\u7d42\u7aef\u3092\u884c\u3046\u3053\u3068\u3067\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u9ad8\u901f\u306b\u884c\u3048\u307e\u3059\u3002<\/p>\n<p>\u30fbTCP\u306e\u6700\u9069\u5316<br \/>\n\u30e2\u30d0\u30a4\u30ebNW\u5411\u3051\u306b\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u8abf\u6574\u3057\u305f\u308a\u3059\u308b\u3082\u306e\u3084<br \/>\n\u30a8\u30c3\u30b8\u304b\u3089\u30aa\u30ea\u30b8\u30f3\u307e\u3067\u3092\u6700\u9069\u5316\u3057\u305f\u308a\u306a\u3069<br \/>\n\u69d8\u3005\u306a\u624b\u6cd5\u3067\u3044\u308d\u3044\u308d\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30fb\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1<br \/>\n\u30d9\u30fc\u30b9\u30da\u30fc\u30b8\u3092\u901a\u3057\u305f\u5834\u5408\u3001\u305d\u306e\u4e2d\u306b\u542b\u307e\u308c\u308b\u753b\u50cf\u306a\u3069\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3057\u3066\u30a8\u30c3\u30b8\u3092\u6e29\u3081\u3066\u304a\u304f\u3053\u3068\u3067RTT\u3092\u5c0f\u3055\u304f\u3057\u307e\u3059\u3002<\/p>\n<p>\u30fb\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6700\u9069\u5316<br \/>\n\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306f\u69d8\u3005\u306a\u7d4c\u8def\u3067\u3064\u306a\u304c\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001\u7269\u7406\u7684\u306a\u76f4\u7dda\u8ddd\u96e2\u3068\u5b9f\u969b\u306e\u901a\u4fe1\u7d4c\u8def\u3067\u306e\u8ddd\u96e2\u306f\u9055\u3044\u3001\u307e\u305f\u30ec\u30a4\u30c6\u30f3\u30b7\u3082\u5909\u308f\u3063\u3066\u304d\u307e\u3059\u3002<br \/>\n\u8eab\u8fd1\u306a\u4f8b\u3067\u4f8b\u3048\u308b\u306e\u3067\u3042\u308c\u3070\u3001\u81ea\u5b85\u306eISP\u3092\u4e57\u308a\u63db\u3048\u305f\u3089\u7d4c\u8def\u304c\u5909\u308f\u3063\u3066\u7279\u5b9a\u306e\u30b5\u30a4\u30c8\u304c\u65e9\u304f\u306a\u308b\u3068\u3044\u3046\u3053\u3068\u3082\u5341\u5206\u8003\u3048\u3089\u308c\u307e\u3059\u3002<br \/>\n\u305d\u306e\u7d4c\u8def\u3092\u6700\u9069\u5316\u3059\u308b\u306e\u304c\u3053\u306e\u6280\u8853\u3067\u3059\u3002\u4ee3\u8868\u4f8b\u3060\u3068Akamai\u306e<a href=\"https:\/\/blogs.akamai.com\/jp\/2013\/06\/---sureroute.html\">SureRoute<\/a>\u304c\u6709\u540d\u3067\u3059\u3002<\/p>\n<p>\u4ed6\u306b\u3082\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u3061\u306a\u307f\u306bsonots\u3055\u3093\u304cDSA\u306b\u3064\u3044\u3066\u3075\u308c\u3066\u3001\u5b9f\u969b\u306b\u30d9\u30f3\u30c1\u3092\u3068\u3063\u3066\u304a\u3089\u308c\u307e\u3057\u305f\uff08<a href=\"http:\/\/blog.livedoor.jp\/sonots\/archives\/48002650.html\">CloudFront\u3092\u304b\u307e\u3059\u3068\u30ad\u30e3\u30c3\u30b7\u30e5\u306a\u3057\u306eAPI\u30b3\u30fc\u30eb\u3067\u3082\u901f\u304f\u306a\u308b\u3088\u3046\u3060<\/a>\uff09<\/p>\n<p><strong>Front End Optimization(FEO)<\/strong><br \/>\n\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u5b9f\u969b\u306b\u30da\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u3056\u3063\u304f\u308a\u3044\u3063\u3066<\/p>\n<ol>\n<li>\u30d9\u30fc\u30b9\u30da\u30fc\u30b8\u306eDL<\/li>\n<li>CSS\u3084JS\u306a\u3069\u306e\u30ea\u30bd\u30fc\u30b9\u3092DL<\/li>\n<li>\u30da\u30fc\u30b8\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/li>\n<\/ol>\n<p>\u3068\u3044\u3063\u305f\u6d41\u308c\u304c\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\nDSA\u306e\u5834\u5408\u3067\u306f\u3042\u304f\u307e\u3067\u3082\u914d\u4fe1\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u76ee\u7684\u306a\u306e\u30671,2\u3067\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u90e8\u5206\u3057\u304b\u6539\u5584\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\n\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u5bfe\u3057\u3066\u306f\u307b\u307c\u624b\u3092\u52a0\u3048\u305a\u3001\u624b\u3092\u52a0\u3048\u308b\u306b\u3057\u3066\u3082gzip\u5727\u7e2e\u7a0b\u5ea6\u3067\u975e\u53ef\u9006\u7684\u306a\u51e6\u7f6e\u306f\u884c\u3044\u307e\u305b\u3093\u3002(\u305d\u306e\u5206\u5b89\u5168\u3068\u306f\u8a00\u3048\u308b)<br \/>\n\u3057\u304b\u3057\u30b5\u30a4\u30c8\u304c\u30ea\u30c3\u30c1\u306b\u306a\u308b\u306b\u3064\u308c\u3001\u30da\u30fc\u30b8\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u51e6\u7406\u304c\u91cd\u304f\u306a\u3063\u3066\u3044\u304d\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u79d2\u5358\u4f4d\u3067\u304b\u304b\u308b\u30da\u30fc\u30b8\u3082\u5b58\u5728\u3057\u307e\u3059\u3002<br \/>\n\u3058\u3083\u3041\u3001\u305d\u3053\u306b\u5bfe\u3057\u3066\u4f55\u304b\u3067\u304d\u308b\u3053\u3068\u306f\u306a\u3044\u304b\uff1f\u3068\u3044\u3046\u306e\u304c\u3068\u3044\u3046\u3053\u3068\u3067\u51fa\u3066\u304d\u305f\u306e\u304cFEO\u3067\u3059\u3002<br \/>\n\u3059\u3054\u304f\u3056\u3063\u304f\u308a\u3044\u3046\u3068\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u6539\u5909\u3092\u542b\u3080\u6700\u9069\u5316\u884c\u3046\u3053\u3068\u3067\u901f\u5ea6\u3092\u5411\u4e0a\u3057\u3088\u3046\u3068\u8a00\u3046\u3082\u306e\u3067\u3059\u3002<br \/>\n<a href=\"https:\/\/github.com\/pagespeed\/mod_pagespeed\">mod_pagespeed<\/a>\u306e\u3088\u3046\u306a\u3053\u3068\u3092CDN\u3067\u3084\u308b\u3068\u8a00\u3063\u305f\u611f\u3058\u3067\u3059\u3002<br \/>\n\u30d9\u30fc\u30b9\u30da\u30fc\u30b8\u3092\u89e3\u6790\u3057\u3066\u6539\u5909\u3057\u305f\u308a\u3001\u753b\u50cf\u3092\u3088\u308a\u5727\u7e2e\u52b9\u7387\u306e\u9ad8\u3044\u5225\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3084\u7aef\u672b\u306b\u5408\u308f\u305b\u305f\u5909\u63db\u3092\u3057\u305f\u308a\u3001CSS\u3092\u8abf\u6574\u3057\u305f\u308a\u306a\u3069\u3044\u308d\u3044\u308d\u884c\u3044\u307e\u3059\u3002<br \/>\n\u8fd1\u5e74\u30c7\u30d0\u30a4\u30b9\u6570\u3082\u5897\u3048\u3066\u3044\u308b\u306e\u3067(\u30e2\u30d0\u30a4\u30eb)\u3001\u3059\u3079\u3066\u306e\u7aef\u672b\u306b\u5bfe\u3057\u3066\u6700\u9069\u5316\u3092\u624b\u4f5c\u696d\u3067\u884c\u3046\u306e\u306f\u96e3\u3057\u3044\u3067\u3059\u304c\u3001CDN\u696d\u8005\u304c\u305d\u306e\u8fba\u3092\u30e1\u30f3\u30c6\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u3042\u308c\u3070\u697d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong><br \/>\n\u6700\u8fd1\u306f\u69d8\u3005\u306a\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u304c\u5b58\u5728\u3057\u3001\u305d\u308c\u3092\u30ac\u30fc\u30c9\u3059\u308b\u305f\u3081\u306bCDN\u3092\u5165\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\nDDoS\u5bfe\u7b56\u3084WAF\u3001bot\u5bfe\u7b56\u306a\u3069\u69d8\u3005\u306a\u30e1\u30cb\u30e5\u30fc\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e00\u3064\u6ce8\u610f\u3068\u3057\u3066\u3067\u3059\u304c\u3001\u30aa\u30ea\u30b8\u30f3\u30c9\u30e1\u30a4\u30f3\u304c\u30d0\u30ec\u308b\u3068\u76f4\u63a5\u305d\u3053\u306b\u30a2\u30bf\u30c3\u30af\u3055\u308c\u3066\u3069\u3046\u3057\u3088\u3046\u3082\u306a\u304f\u306a\u3063\u305f\u308a\u3059\u308b\u306e\u3067<br \/>\n\u30a2\u30af\u30bb\u30b9\u5143\u3092\u5236\u9650\u3057\u305f\u308a\u3001\u985e\u63a8\u3057\u3065\u3089\u3044\u540d\u524d\u306b\u3057\u3068\u304f\u306e\u304c\u3088\u3044\u304b\u306a\u3068\u304b\u30fb\u30fb\uff08\u30aa\u30ea\u30b8\u30f3\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u540d\u524d\u3067\u30aa\u30ea\u30b8\u30f3\u306b\u30a2\u30bf\u30c3\u30af\u304d\u305f\u3068\u3044\u3046\u4e8b\u4f8b\u3092\u805e\u3044\u305f\u3053\u3068\u3042\u308b\u306e\u3067\u30fb\u30fb\u30fb\uff09<\/p>\n<p><strong>\u6700\u65b0\u6280\u8853\u3078\u306e\u5bfe\u5fdc<\/strong><br \/>\n\u6700\u8fd1\u3067\u3042\u308c\u3070HTTP\/2\u306a\u3069\u3001\u69d8\u3005\u306a\u6280\u8853\u304c\u51fa\u3066\u304d\u307e\u3059\u3002<br \/>\n\u3057\u304b\u3057\u81ea\u524d\u3067\u3084\u308b\u306b\u306f\u96e3\u3057\u3044\u74b0\u5883\u306e\u5834\u5408\u3082\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3067\u3082CDN\u304cproxy\u3057\u3066\u3084\u3063\u3066\u304f\u308c\u305f\u308a\u3059\u308b\u3068\u6700\u65b0\u6280\u8853\u3092\u5229\u7528\u3067\u304d\u3001\u307e\u305f\u305d\u308c\u3067\u9ad8\u901f\u5316\u306e\u30e1\u30ea\u30c3\u30c8\u3092\u4eab\u53d7\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u305d\u306e\u4ed6<\/strong><br \/>\n\u4ed6\u306b\u3082\u3044\u308d\u3093\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u30d3\u30c7\u30aa\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3084<br \/>\n\u6a5f\u68b0\u5b66\u7fd2\u3067\u30da\u30fc\u30b8\u4e2d\u306e\u52d5\u7684\u30fb\u9759\u7684\u90e8\u5206\u3092\u5224\u5225\u3057\u3066\u9759\u7684\u90e8\u5206\u3092\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b<a href=\"https:\/\/www.instartlogic.com\/\">\u3082\u306e<\/a>\u3084<br \/>\n\u30a8\u30c3\u30b8\u5074\u306b\u30b3\u30fc\u30c9\u304c\u304a\u3051\u308b\uff08Fastly\u306eVCL,CloudFront\u306eLambda@Edge\u306a\u3069\uff09\u306a\u3069\u3044\u308d\u3044\u308d\u3042\u308a\u307e\u3059\u3002<\/p>\n<h1>\u30e6\u30fc\u30b6\u60c5\u5831\u3092\u542b\u3080\u306a\u3069\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u304d\u306a\u3044\u52d5\u7684\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3092CDN\u306b\u901a\u3059\u3079\u304d\u304b\u901a\u3055\u306a\u3044\u3079\u304d\u304b<\/h1>\n<p>\u7b54\u3048\u306f\u3069\u3061\u3089\u3067\u3082\u306a\u3044\u3060\u3068\u601d\u3044\u307e\u3059<br \/>\n\u901a\u3059\u30fb\u901a\u3055\u306a\u3044\u3079\u304d\u3067\u306f\u306a\u304f\u3001\u5fc5\u8981\u3067\u3042\u308c\u3070\u901a\u305b\u3070\u3088\u3044\u3068\u304a\u3082\u3044\u307e\u3059\u3002<br \/>\n\u5148\u306b\u89e6\u308c\u305f\u3068\u304a\u308aCDN\u306b\u306f\u3044\u308d\u3093\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u540c\u4e00\u30c9\u30e1\u30a4\u30f3\u306b\u3042\u308b\u9759\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u305f\u3044\u304b\u3089\u901a\u3059\u307f\u305f\u3044\u306a\u30b1\u30fc\u30b9\u304c\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u304c<br \/>\n\u305d\u3082\u305d\u3082\u4eee\u306b\u5168\u90e8\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u51fa\u6765\u306a\u304b\u3063\u305f\u3068\u3057\u3066\u3082\u3001\u4ed6\u306e\u6a5f\u80fd(\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306a\u3069)\u304c\u6709\u7528\u3067\u3042\u308c\u3070\u4f7f\u3048\u3070\u3044\u3044\u3068\u3044\u3046\u5358\u7d14\u306a\u8a71\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u52d5\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u3092CDN\u306b\u901a\u3059\u306e\u3092\u6c17\u306b\u3057\u3066\u3044\u308b\u4eba\u3067\u500b\u4eba\u60c5\u5831\u304c\u30fb\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u30fb\u30fb\u3068\u6c17\u306b\u3059\u308b\u4eba\u304c\u3044\u307e\u3059\u3002<br \/>\n\u5b9f\u969b\u306bCDN\u696d\u8005\u3067\u3082\u3044\u308d\u3093\u306a\u4e8b\u4ef6\u304c\u3042\u308a\u307e\u3057\u305f<br \/>\n<a href=\"http:\/\/www.itmedia.co.jp\/news\/articles\/1702\/25\/news024.html\">CloudFlare\u3067\u306e\u30c7\u30fc\u30bf\u6d41\u51fa\u30d0\u30b0<\/a><br \/>\n<a href=\"http:\/\/d.hatena.ne.jp\/Kango\/20140603\/1401801327\">CDNetworks\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u6539\u3056\u3093<\/a><br \/>\n\u3053\u306e\u3088\u3046\u306a\u3082\u306e\u306f\u5916\u90e8\u696d\u8005\u3092\u4f7f\u3046\u4ee5\u4e0a\u4e00\u5b9a\u306e\u30ea\u30b9\u30af\u306f\u5b58\u5728\u3057\u3046\u308b\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u306e\u3067<br \/>\n\u7d50\u5c40\u3053\u3053\u306f\u4fe1\u7528\u3067\u304d\u308b\u3068\u3053\u308d\u3092\u9078\u3076\u3068\u3044\u3063\u305f\u5bfe\u7b56\u3057\u304b\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\n<font color=\"#ff0000\">\u203bCloudFlare\u3084CDNetworks\u306e\u4e8b\u6545\u3092\u53d6\u308a\u4e0a\u3052\u3066\u307e\u3059\u304c\u3001\u3053\u306e2\u793e\u304c\u73fe\u5728\u3082\u30e4\u30d0\u30a4\u3068\u306f\u601d\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070CloudFlare\u306fFBI\u306b\u4f7f\u7528\u3055\u308c\u3066\u307e\u3059\u3057\u3001CDNetworks\u306f\u30ed\u30b0\u30a4\u30f3\u30c9\u30e1\u30a4\u30f3\u306f\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u3082\u306e\u306e\u308a\u305d\u306a\u9280\u884c\u304c\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/font><br \/>\n\u3057\u304b\u3057\u3001\u3053\u308c\u3092\u3082\u3063\u3066\u305d\u3082\u305d\u3082\u4f7f\u3046\u306e\u304cNG\u3068\u3044\u3046\u306e\u306f\u500b\u4eba\u7684\u306b\u306f\u8cdb\u540c\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\n\u591a\u304f\u306eCDN\u3067\u306fPCI DSS\u306b\u5bfe\u3057\u3066\u914d\u616e\u3057\u3066\u3044\u308b\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u304c(<a href=\"https:\/\/www.akamai.com\/jp\/ja\/resources\/pci-dss-compliance.jsp\">Akamai<\/a> <a href=\"https:\/\/docs.fastly.com\/guides\/detailed-product-descriptions\/pci-compliant-caching\">Fastly<\/a> <a href=\"https:\/\/aws.amazon.com\/jp\/compliance\/services-in-scope\/\">CloudFront<\/a> <a href=\"https:\/\/support.cloudflare.com\/hc\/en-us\/articles\/202249734-Cloudflare-and-PCI-Compliance\">CloudFlare<\/a> <a href=\"http:\/\/www.cdnetworks.co.jp\/pressrelease\/5058\/\">CDNetworks<\/a>\u306a\u3069)<br \/>\n\u305d\u3082\u305d\u3082\u52d5\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6d41\u3059\u3053\u3068\u304c\u60f3\u5b9a\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u308a\u3059\u308c\u3070\u3053\u306e\u3088\u3046\u306a\u5bfe\u5fdc\u306f\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u53c2\u8003\u7a0b\u5ea6\u3067\u3059\u304cCitibank\u30fbUSBank\u30fb\u30b8\u30e3\u30d1\u30f3\u30cd\u30c3\u30c8\u9280\u884c\u30fb\u30de\u30cd\u30c3\u30af\u30b9\u8a3c\u5238\u306f\u30ed\u30b0\u30a4\u30f3\u30d5\u30a9\u30fc\u30e0\u3082\u542b\u3081\u3066Akamai\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"brush: shell; \">\n\r\n$ nslookup online.citi.com\r\nServer:         127.0.0.1\r\nAddress:        127.0.0.1#53\r\nNon-authoritative answer:\r\nonline.citi.com canonical name = online.citibank.com.edgekey.net.\r\nonline.citibank.com.edgekey.net canonical name = e11515.b.akamaiedge.net.\r\nName:   e11515.b.akamaiedge.net\r\nAddress: 184.30.150.120\r\n\r\n$ nslookup onlinebanking.usbank.com\r\nServer:         127.0.0.1\r\nAddress:        127.0.0.1#53\r\n\r\nNon-authoritative answer:\r\nonlinebanking.usbank.com        canonical name = onlinebanking.usbank.com.edgekey.net.\r\nonlinebanking.usbank.com.edgekey.net    canonical name = e3644.ksd.akamaiedge.net.\r\nName:   e3644.ksd.akamaiedge.net\r\nAddress: 104.78.14.64\r\n\r\n$ nslookup login.japannetbank.co.jp\r\nServer:         127.0.0.1\r\nAddress:        127.0.0.1#53\r\n\r\nNon-authoritative answer:\r\nlogin.japannetbank.co.jp        canonical name = login.japannetbank.co.jp.edgekey.net.\r\nlogin.japannetbank.co.jp.edgekey.net    canonical name = e2588.ksd.akamaiedge.net.\r\nName:   e2588.ksd.akamaiedge.net\r\nAddress: 184.26.113.168\r\n\r\n$ nslookup mst.monex.co.jp\r\nServer:         127.0.0.1\r\nAddress:        127.0.0.1#53\r\n\r\nNon-authoritative answer:\r\nmst.monex.co.jp canonical name = mst.monex.co.jp.akadns.net.\r\nmst.monex.co.jp.akadns.net      canonical name = mst.monex.co.jp.edgekey.net.\r\nmst.monex.co.jp.edgekey.net     canonical name = e4187.g.akamaiedge.net.\r\nName:   e4187.g.akamaiedge.net\r\nAddress: 69.192.239.108\r\n\r\n\n<\/pre>\n<p>\u3053\u306e\u3053\u3068\u304b\u3089\u308f\u304b\u308b\u3088\u3046\u306b\u9280\u884c\u3084\u8a3c\u5238\u306e\u3088\u3046\u306a\u3059\u3054\u304f\u30bb\u30f3\u30b7\u30c6\u30a3\u30d6\u306a\u60c5\u5831\u3092\u6271\u3046\u30b5\u30a4\u30c8\u3067\u3082CDN\u3092\u3064\u304b\u3046\u306e\u306f\u30ca\u30f3\u30bb\u30f3\u30b9\u3067\u306f\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<br \/>\n\u7d50\u5c40\u306e\u3068\u3053\u308d\u306f\u5f97\u3089\u308c\u308b\u30e1\u30ea\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u3001\u3069\u308c\u3060\u3051\u30ea\u30b9\u30af\u3084\u30c7\u30e1\u30ea\u30c3\u30c8\u306e\u7a0b\u5ea6\u3001\u305d\u3057\u3066\u898b\u5408\u3046\u30b3\u30b9\u30c8\u306a\u306e\u304b\u306e\u8a71\u3067\u3001\u305d\u3082\u305d\u3082NG\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u306a\u3044\u3067\u3059\u3002\uff08\u3082\u3061\u308d\u3093\u6b63\u3057\u304f\u4f7f\u3048\u308c\u3070\u3068\u3044\u3046\u8a71\u3067\u3059\u304c\uff09<br \/>\n\u4f8b\u3048\u3070\u30012017\u5e74\u306e\u4eca\u306b\u30af\u30e9\u30a6\u30c9\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u6016\u3044\u304b\u3089\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u306b\u3059\u308b\u3068\u304b\u8a00\u3046\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u3044\u305f\u3089\u5272\u3068\uff1f\u3068\u601d\u308f\u308c\u308b\u3068\u601d\u3044\u307e\u3059\u304c\uff08\u305f\u307e\u306bTw\u3067\u898b\u304b\u3051\u307e\u3059\u304c\u30fb\u30fb\uff09<br \/>\n\u3053\u308c\u306fCDN\u3067\u3082\u540c\u3058\u8a71\u304c\u8a00\u3048\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\nCDN\u696d\u8005\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u6016\u3044\u304b\u3089\u81ea\u793e\u3067CDN\u4f5c\u308b\u305e\uff01\u307f\u305f\u3044\u306a\u3053\u3068\u8a00\u3063\u305f\u3089\u6d41\u77f3\u306b\u3042\u306a\u305f\u9054\u306fAkamai\u3084AWS\u305f\u3061\u4ee5\u4e0a\u306e\u3053\u3068\u3067\u304d\u308b\u3093\u3067\u3059\u304b\u30fb\u30fb\u30fb\u3068\u601d\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\nCDN\u3067\u3042\u307e\u308a\u3053\u3046\u3044\u3046\u610f\u8b58\u304c\u306a\u3044\u306e\u306f\u5358\u7d14\u306a\u8a71\u3068\u3057\u3066CDN\u3092\u4f7f\u3046\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u6bcd\u6570\u304c\u5c11\u306a\u304f\u3001\u305d\u306e\u8fba\u306e\u58f0\u304c\u5c0f\u3055\u3044\u3093\u3060\u308d\u3046\u306a\u30fc\u3068\u304b\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u3059\u308b\u3001\u305d\u3057\u3066\u3057\u306a\u3044<\/h2>\n<p>\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u884c\u3046\u3068\u304d\u306b\u6ce8\u610f\u3059\u308b\u3079\u304d\u306a\u306e\u306f\u306a\u3093\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\n\u4e00\u756a\u91cd\u8981\u306a\u3053\u3068\u306f\u3001\u4e00\u3064\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3057\u3066\u8907\u6570\u306e\u610f\u5473\u3092\u6301\u305f\u305b\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<br \/>\n\u4f8b\u3048\u3070http:\/\/example.net\/mypage\u3068\u3044\u3046\u30da\u30fc\u30b8\u304c\u3042\u3063\u3066\u3001\u4eee\u306b\u3053\u308c\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3068\u3057\u307e\u3059\u3002<br \/>\n\u540d\u524d\u304b\u3089\u308f\u304b\u308b\u3088\u3046\u306b\u3053\u308c\u306f\u30e6\u30fc\u30b6\u60c5\u5831\u3092\u542b\u3093\u3067\u3044\u307e\u3059\u3002<br \/>\n\u901a\u5e38CDN\u306a\u3069\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u969b\u306f\u30db\u30b9\u30c8\u540d\u3068\u30d1\u30b9\u304c\u6307\u5b9a\u3055\u308c\u307e\u3059\u306e\u3067<br \/>\n\u305d\u308c\u306b\u57fa\u3065\u304f\u3068\u30ad\u30fc\u306f\u300cexample.net + \/mypage\u300d\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3057\u304b\u3057\u3053\u308c\u3060\u3068\u30e6\u30fc\u30b6\u60c5\u5831\u3092\u30ad\u30fc\u306b\u542b\u3093\u3067\u3044\u306a\u3044\u305f\u3081\u3001A\u3055\u3093\u304c\u898b\u305f\u5f8c\u306bB\u3055\u3093\u304c\u898b\u305f\u5834\u5408\u3001A\u3055\u3093\u306emypage\u304c\u51fa\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e\u5834\u5408\u306fmypage\u306fA\u3055\u3093\u306e\u30da\u30fc\u30b8\u3067\u3082\u3042\u308b\u3057B\u3055\u3093\u306e\u30da\u30fc\u30b8\u3067\u3082\u3042\u308b\u3068\u3044\u3046\u8907\u6570\u306e\u610f\u5473\u3092\u3082\u305f\u305b\u305f\u304b\u3089\u8d77\u304d\u308b\u3053\u3068\u3067\u3059\u3002<br \/>\n\u6b63\u3057\u3044\u30ad\u30fc\u306f\u300cexample.net + \/mypage + A\u3055\u3093\u300d\u3068\u3044\u3063\u305f\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306fCDN\u3067\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u9650\u3063\u305f\u8a71\u3067\u306f\u306a\u304f\u3001\u4f8b\u3048\u3070memcached\u3084Redis\u3068\u3044\u3063\u305fKVS\u3067\u3082\u8a00\u3048\u307e\u3059\u3057\u3001\u4ed6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3082\u5171\u901a\u306e\u8003\u3048\u65b9\u3060\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u3061\u306a\u307f\u306b\u3053\u308c\u306f\u30ed\u30b0\u30a4\u30f3\u60c5\u5831\u306b\u9650\u3063\u305f\u8a71\u3067\u306f\u306a\u304f\u3001\u4f8b\u3048\u3070\u3001\u540c\u3058\u753b\u50cfURL\u3067SP\u5411\u3051\u3068PC\u5411\u3051\u3067\u30b5\u30a4\u30ba\u3084\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u9055\u3046\u5834\u5408\u3082\u3001\u540c\u69d8\u306b\u30ad\u30fc\u306bSP\u306a\u306e\u304bPC\u306a\u306e\u304b\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u30af\u30c3\u30ad\u30fc\u306e\u53d6\u6271\u306b\u3082\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<br \/>\n2014\u5e74\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u8a2d\u5b9a\u306e\u4e0d\u5099\u304b\u3089\u30af\u30c3\u30ad\u30fc\u304c\u4ed6\u30e6\u30fc\u30b6\u306b\u5171\u6709\u3055\u308c\u3066\u3057\u307e\u3063\u305f\u3068\u3044\u3046\u30b5\u30a4\u30c8\u304c\u3042\u308a\u307e\u3057\u305f\u3002<br \/>\n\u5f53\u4e8b\u8005\u3058\u3083\u306a\u3044\u306e\u3067\u63a8\u6e2c\u3057\u304b\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u304a\u305d\u3089\u304f\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306bSet-Cookie\u304c\u3064\u3044\u3066\u3057\u307e\u3063\u3066\u305d\u308c\u304c\u4f7f\u3044\u307e\u308f\u3055\u308c\u3066\u3057\u307e\u3063\u305f\u3093\u3060\u308d\u3046\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u79c1\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u884c\u3046\u3068\u304d\u306e\u57fa\u672c\u7684\u306a\u30dd\u30ea\u30b7\u30fc\u3092\u56f3\u306b\u3057\u305f\u3082\u306e\u3067\u3059\u3002<br \/>\n\u5fc5\u305a\u3057\u3082\u3053\u308c\u304c\u3059\u3079\u3066\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3067\u6b63\u3057\u3044\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u4f8b\u3048\u3070\u5143\u3005\u30aa\u30ea\u30b8\u30f3\u304c\u9759\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u7f6e\u3044\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u308c\u3070\u3053\u3053\u307e\u3067\u8907\u96d1\u306a\u30eb\u30fc\u30eb\u306f\u5fc5\u8981\u306a\u3044\u3067\u3059\u304c<br \/>\n\u52d5\u7684\u30fb\u9759\u7684\u30fb\u304b\u3064\u30e6\u30fc\u30b6\u60c5\u5831\u542b\u3080\u5168\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u901a\u3059\u30b1\u30fc\u30b9\u306b\u304a\u3044\u3066\u306f\u3001\u53c2\u8003\u306b\u306f\u306a\u308b\u3068\u601d\u3044\u307e\u3059<br \/>\n<a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2017\/07\/cache-1.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2017\/07\/cache-1.jpg\" alt=\"\" width=\"671\" height=\"113\" class=\"aligncenter size-full wp-image-2585\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2017\/07\/cache-1.jpg 671w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2017\/07\/cache-1-300x51.jpg 300w\" sizes=\"auto, (max-width: 671px) 100vw, 671px\" \/><\/a><br \/>\n\u203b\u3053\u306e\u56f3\u3067\u306f\u5148\u7a0b\u3075\u308c\u305fSP\/PC\u3067\u9055\u3046\u5834\u5408\u3068\u3044\u3063\u305f\u3082\u306e\u306f\u3044\u308c\u3066\u307e\u305b\u3093\u304c\u3001\u305d\u3046\u3044\u3046\u3082\u306e\u304c\u3042\u308c\u3070\u30ad\u30fc\u306b\u542b\u3081\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u203b\u30e6\u30fc\u30b6\u60c5\u5831\u306f\u30af\u30c3\u30ad\u30fc\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u306a\u306b\u304b\u4ed6\u306e\u3082\u306e\u306b\u5165\u3063\u3066\u308b\u5834\u5408\u306f\u9069\u5b9c\u6d88\u3059\u5bfe\u8c61\u3092\u542b\u3081\u3066\u304f\u3060\u3055\u3044(POST\u3068\u304b\u6ce8\u610f\u3057\u305f\u3044\u3067\u3059\u306d)<br \/>\n\u203b\u4ed6\u306b\u30ad\u30fc\u306b\u8a2d\u5b9a\u3057\u305f\u308a\u3059\u308b\u3082\u306e\u3068\u3057\u3066\u306fCORS\u306eOrigin\u30d8\u30c3\u30c0\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306fVary\u3067\u5206\u3051\u3066\u3082\u3044\u3044\u3067\u3059\u304c\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u81ea\u4f53\u304c\u5909\u308f\u3089\u306a\u3044\u306e\u304c\u901a\u5e38\u306a\u306e\u3067\u3001CDN\u306b\u6761\u4ef6\u4ed8\u304d\u3067\u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u306e\u307f\u306e\u66f8\u304d\u63db\u3048\u304c\u3067\u304d\u308b\u306e\u3067\u3042\u308c\u3070\u3067\u305d\u3061\u3089\u3067\u884c\u3046\u306e\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002(Akamai\u3084Fastly\u306a\u3069\u306f\u3067\u304d\u308b)<\/p>\n<p>\u307e\u305a\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u3057\u306a\u3044\u5834\u5408\u306f\u5fc5\u305aCDN\u5074\u3067\u6291\u5236\u3059\u3079\u304d\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002(\u3082\u3061\u308d\u3093<a href=\"https:\/\/developers.google.com\/web\/fundamentals\/performance\/optimizing-content-efficiency\/http-caching?hl=ja\">Cache-Control\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b<\/a>\u306e\u3082\u5927\u4e8b\u3067\u3059)<br \/>\nCDN\u696d\u8005\u306b\u3088\u3063\u3066\u6319\u52d5\u304c\u5909\u308f\u308b\u305f\u3081\u3001\u78ba\u5b9f\u306a\u306e\u306fCDN\u306e\u6a5f\u80fd\u3067\u300c\u78ba\u5b9f\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u305b\u306a\u3044\u300d\u3053\u3068\u3067\u3059\u3002<br \/>\n\u306a\u305c\u304b\u3068\u3044\u3046\u3068\u5358\u7d14\u306a\u8a71\u3068\u3057\u3066\u51fa\u53e3\u3067\u5bfe\u7b56\u3092\u304b\u3051\u308b\u306e\u304c\u78ba\u5b9f\u3060\u304b\u3089\u3067\u3059\u3002<br \/>\n\u307e\u305f\u3001\u57fa\u672c\u7684\u306b\u9759\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u3057\u304b\u8f09\u305b\u306a\u3044\u306e\u3067\u3042\u308c\u3070\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u65b9\u5f0f\uff08\u57fa\u672c\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u4e00\u90e8\u975e\u30ad\u30e3\u30c3\u30b7\u30e5\uff09\u3067\u3082\u3044\u3044\u3068\u304a\u3082\u3046\u306e\u3067\u3059\u304c\u3001<br \/>\n\u30b5\u30a4\u30c8\u3059\u3079\u3066\u3092CDN\u306b\u6d41\u3057\u3066\u3044\u3066\u3001\u305d\u3053\u306b\u30e6\u30fc\u30b6\u60c5\u5831\u3092\u542b\u3080\u3082\u306e(\u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u975e\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u304b\u304e\u3089\u305a)\u304c\u3042\u308b\u306e\u3067\u3042\u308c\u3070\u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u65b9\u5f0f\uff08\u57fa\u672c\u975e\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u4e00\u90e8\u30ad\u30e3\u30c3\u30b7\u30e5\uff09\u3067\u904b\u7528\u3059\u308b\u3068\u5b89\u5fc3\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u79c1\u306f\u3042\u307e\u308a\u30aa\u30ea\u30b8\u30f3\u306e\u30a2\u30d7\u30ea\u3092\u4fe1\u7528\u3057\u3066\u3044\u307e\u305b\u3093\u3002<br \/>\n\u4f8b\u3048\u3070\u3053\u306e\u30d1\u30b9\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u53ef\u80fd\u3067\u30e6\u30fc\u30b6\u60c5\u5831\u306b\u3088\u3063\u3066\u5909\u5316\u3082\u3057\u306a\u3044\u306e\u304c\u78ba\u5b9f\u3060\u304b\u3089Cookie\u3092\u30aa\u30ea\u30b8\u30f3\u306b\u9001\u4fe1\u3059\u308b\u3068\u3057\u307e\u3059\u3002<br \/>\n\u3057\u304b\u3057\u5b9f\u969b\u306f\u30a2\u30d7\u30ea\u306fCookie\u304b\u3089\u30e6\u30fc\u30b6\u60c5\u5831\u3092\u8aad\u307f\u53d6\u3063\u3066\u3001\u30e6\u30fc\u30b6\u6bce\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u751f\u6210\u3057\u3066\u3044\u305f\u3089\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\uff1f \u6d41\u51fa\u3067\u3059\u3002<br \/>\n\u306a\u306e\u3067\u3001\u5927\u4e8b\u306a\u306e\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u3059\u308b\u5834\u5408\u306f\u30aa\u30ea\u30b8\u30f3\u306b\u5bfe\u3057\u3066\u4e0d\u8981\u306a\u30ad\u30fc(Cookie)\u306f\u9001\u4fe1\u3057\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<br \/>\nCookie\u3092\u6d88\u3057\u3066\u304a\u3051\u3070\u3001\u4eee\u306b\u30a2\u30d7\u30ea\u304c\u30e6\u30fc\u30b6\u60c5\u5831\u3092\u5143\u306b\u306a\u3093\u3089\u304b\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u751f\u6210\u3057\u3088\u3046\u3068\u3057\u3066\u3082\u60c5\u5831\u304c\u306a\u3044\u306e\u3067\u3001\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u306b\u98db\u3070\u3055\u308c\u308b\u306a\u3069\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u3067\u306f\u306a\u3044\u969c\u5bb3\u3067\u3059\u307f\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u540c\u69d8\u306bSet-Cookie\u3082\u6d88\u3059\u3079\u304d\u3067\u3059\u3002<br \/>\n\u3053\u308c\u306f\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u5171\u6709\u3055\u308c\u308b\u306e\u3092\u9632\u3050\u3068\u3044\u3046\u306e\u304c\u4e3b\u76ee\u7684\u3067\u3059\u3002<br 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\/>\n\u9759\u7684\u30fb\u52d5\u7684\u3068\u8a00\u3063\u3066\u307e\u3059\u304c\u8981\u306f\u305d\u306eURL\u3067\u5225\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u63d0\u4f9b\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3067\u3042\u308c\u3070(\u5dee\u3057\u66ff\u3048\u3067\u3042\u308c\u3001\u5b9a\u671f\u66f4\u65b0\u3067\u3042\u308c)TTL\u306b\u306f\u6ce8\u610f\u3057\u3088\u3046\u3068\u8a00\u3046\u8a71\u3067\u3059\u3002<br \/>\n\u3053\u3053\u306f\u305d\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u7279\u6027\u306b\u5fdc\u3058\u3066\u3044\u308d\u3093\u306a\u8003\u3048\u65b9\u304c\u3042\u308b\u306e\u3067\u3053\u308c\u3067\u78ba\u5b9f\u3068\u3044\u3063\u305f\u306e\u306f\u7279\u306b\u306a\u3044\u306e\u3067\u30fb\u30fb\u30fb\uff08\u4f8b\u3048\u3070\u5fc5\u305a\u6bce\u66420\u5206\u306b\u5207\u308a\u66ff\u308f\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u304b\u3001\u591a\u5c11\u3076\u308c\u3066\u3082\u3044\u3044\u3082\u306e\u3068\u304b\u3044\u308d\u3044\u308d\u3042\u308b\uff09<\/p>\n<p>\u307e\u305f\u3001\u30c6\u30b9\u30c8\u3082\u91cd\u8981\u3067\u3059\u3002<br \/>\nCDN\u306e\u30c6\u30b9\u30c8\u3063\u3066\u3069\u3046\u3084\u308b\u3093\u3060\u30fb\u30fb\u30fb\u3068\u3044\u3046\u8a71\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u5927\u62b5\u306e\u5834\u5408\u306f\u305d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u5bfe\u8c61\u304b\u306a\u3069\u3092\u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u3067\u6559\u3048\u3066\u304f\u308c\u305f\u308a\u3057\u307e\u3059\u3002(<a href=\"https:\/\/community.akamai.com\/community\/web-performance\/blog\/2015\/03\/31\/using-akamai-pragma-headers-to-investigate-or-troubleshoot-akamai-content-delivery\">Akamai<\/a>)<br \/>\n\u306a\u306e\u3067\u305d\u306e\u8fba\u3092\u5143\u306b\u30c6\u30b9\u30c8\u3092\u884c\u3048\u3070\u554f\u984c\u306a\u3044\u3067\u3057\u3087\u3046\u3002<br \/>\n\u30c6\u30b9\u30c8\u30d1\u30bf\u30f3\u3092\u8003\u3048\u308b\u306e\u306f\u305d\u3093\u306a\u306b\u96e3\u3057\u304f\u306f\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u30e6\u30fc\u30b6\u60c5\u5831\u3092\u542b\u3080\u30da\u30fc\u30b8\u3082\u901a\u3057\u3066\u308b\u306e\u3067\u3042\u308c\u3070\u3001\u8907\u6570\u30e6\u30fc\u30b6\uff0b\u975e\u30ed\u30b0\u30a4\u30f3\u30e6\u30fc\u30b6\u3067\u6761\u4ef6\u304c\u5909\u308f\u308b\u30d1\u30b9\u6bce\u306b\u30c6\u30b9\u30c8\u3092\u3059\u308c\u3070\u3088\u3044\u3060\u3051\u3067\u3059\u3002<br \/>\n\u305d\u3057\u3066\u610f\u56f3\u3057\u305f\u52d5\u4f5c(Cookie\/Set-Cookie\u6d88\u3057\u3066\u308b\u3068\u304b\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u308b\u3057\u3066\u306a\u3044\u306a\u3069)\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u306e\u78ba\u8a8d\u3092\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u5148\u7a0b\u306e\u56f3\u3067\u306f\u89e6\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30c6\u30b9\u30c8\u3092\u3059\u308b\u3068\u304d\u306f\u3001\u5272\u3068TTL\u3082\u91cd\u8981\u306a\u306e\u3067\u52d5\u4f5c\u78ba\u8a8d\u3092\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\nTTL\u306e\u52d5\u4f5c(\u7279\u306b\u5207\u308c\u305f\u5834\u5408)\u3082CDN\u4e8b\u696d\u8005\u306b\u3088\u3063\u3066\u3044\u308d\u3044\u308d\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3057\u8a2d\u5b9a\u53ef\u80fd\u3067\u3059\u3002<br \/>\n\u3059\u3079\u3066\u306e\u30d1\u30bf\u30f3\u3067\u306f\u306a\u3044\u3067\u3059\u304c\u3001\u4f8b\u3092\u3042\u3052\u308b\u3068<br \/>\nTTL\u304c\u5207\u308c\u305f\u5834\u5408\u3067\u30aa\u30ea\u30b8\u30f3\u304c\u30a8\u30e9\u30fc\u3092\u5410\u3044\u3066\u3044\u308b\u5834\u5408\u306f\u3068\u308a\u3042\u3048\u305a\u53e4\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u3046<br \/>\n\u3068\u3044\u3046\u52d5\u304d\u3092\u3059\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002(Option\u3067\u306a\u3069)<\/p>\n<p>\u3053\u3053\u307e\u3067\u8a00\u3063\u3066\u304a\u3044\u3066\u306a\u3093\u3067\u3059\u304c\u3001\u3059\u3079\u3066\u306eCDN\u696d\u8005\u3067\u3053\u308c\u307b\u3069\u81ea\u7531\u5ea6\u306e\u3042\u308b\u8a2d\u5b9a\u304c\u3067\u304d\u308b\u3068\u3082\u9650\u308a\u307e\u305b\u3093\u3002<br \/>\n\u7279\u306b\u30e6\u30fc\u30b6\u60c5\u5831\u3092\u542b\u3080\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u969b\u306f\u304b\u306a\u308a\u30ad\u30e3\u30c3\u30b7\u30e5\u30ad\u30fc\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001CDN\u696d\u8005\u3067\u3053\u3053\u307e\u3067\u8a2d\u5b9a\u3067\u304d\u306a\u3044\u306e\u3067\u3042\u308c\u3070\u30e6\u30fc\u30b6\u60c5\u5831\u3092\u542b\u3080\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u8f9e\u3081\u308b\u3079\u304d\u3067\u3059(\u305d\u3082\u305d\u3082\u3084\u3063\u3066\u610f\u5473\u304c\u3042\u308b\u306e\u304b\u7684\u306a\u8a71\u306f\u5f8c\u3067\u89e6\u308c\u307e\u3059)\u3001\u5358\u7d14\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u305b\u305a\u306b\u901a\u3059\u3060\u3051\u3067\u3042\u308c\u3070\u554f\u984c\u306a\u3044\u3067\u3059\u3002<br \/>\n\u4ed6\u306b\u3082\u3001CDN\u5074\u3067\u6291\u5236\u51fa\u6765\u306a\u3044\u30d1\u30bf\u30f3\u304c\u3042\u308b\u306e\u3067\u3042\u308c\u3070\u3001\u30aa\u30ea\u30b8\u30f3\u5074\u306eProxy\u3067\u30ea\u30af\u30a8\u30b9\u30c8\u30fb\u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u306e\u30af\u30ec\u30f3\u30b8\u30f3\u30b0\u3059\u308b\u306e\u3082\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002(\u540c\u69d8\u306e\u30eb\u30fc\u30eb\u3067\u30af\u30c3\u30ad\u30fc\u306e\u5236\u5fa1\u3092\u884c\u3046\uff09<br \/>\n\u30aa\u30ea\u30b8\u30f3\u5074\u306eProxy\u3067\u30af\u30c3\u30ad\u30fc\u3092\u6d88\u3057\u3066\u3044\u308c\u3070\u4eee\u306bCDN\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u3066\u3082\u3001\u3084\u3063\u3071\u308a\u975e\u30ed\u30b0\u30a4\u30f3\u30da\u30fc\u30b8\u306b\u306a\u308b\u306e\u3067\u305d\u3053\u307e\u3067\u75db\u304f\u306a\u3044\u3067\u3057\u3087\u3046\u3002(\u3082\u3061\u308d\u30932\u91cd\u7ba1\u7406\u306b\u306f\u306a\u308b\u306e\u3068\u5b8c\u5168\u306b\u306f\u30ab\u30d0\u30fc\u3067\u304d\u306a\u3044\u306e\u3067\u305d\u306e\u8fba\u306f\u6ce8\u610f)<br \/>\n\u305d\u306e\u5834\u5408\u306f\u3088\u308aCDN\u306e\u4ed5\u69d8\u3092\u6ce8\u610f\u6df1\u304f\u8aad\u307f\u30fb\u554f\u3044\u5408\u308f\u305b\u3001\u5165\u5ff5\u306b\u30c6\u30b9\u30c8\u3092\u884c\u3046\u3079\u304d\u3067\u3059\u3002<\/p>\n<p>\u3042\u3068\u3001\u3053\u306e\u8fba\u306e\u8907\u96d1\u306a\u5236\u5fa1\u306fFastly\u304cCDN\u306e\u4e2d\u3067\u3082\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<br \/>\n\u7406\u7531\u3068\u3057\u3066\u306fVCL\u3068\u3044\u3046DSL\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3057\u306a\u3044\u306e\u5236\u5fa1\u3092\u59cb\u3081\u3001\u30af\u30c3\u30ad\u30fc\u304b\u3089\u30e6\u30fc\u30b6\u60c5\u5831\u3092\u62bd\u51fa\u3057\u3066\u305d\u308c\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u30ad\u30fc\u306b\u8a2d\u5b9a\u3059\u308b\u306a\u3069\u7d30\u304b\u3044\u5236\u5fa1\u304c\u53ef\u80fd\u306a\u305f\u3081\u3067\u3059\u3002<br \/>\n\u4f8b\u3048\u3070\/admin\/\u3068\u3044\u3046\u30da\u30fc\u30b8\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3068\u3044\u3046\u30eb\u30fc\u30eb\u3092VCL\u3067\u66f8\u304f\u3068<\/p>\n<pre class=\"brush: plain; \">\n\r\nsub vcl_recv{\r\n  if(req.url ~ &quot;^\/admin\/&quot;){\r\n    return(pass);\r\n  }\r\n}\r\n\n<\/pre>\n<p>\u3068\u8a00\u3063\u305f\u611f\u3058\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h1>\u30e6\u30fc\u30b6\u60c5\u5831\u3092\u542b\u3080\u52d5\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u52b9\u7387\u7684\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u306b\u306f<\/h1>\n<p>\u30e6\u30fc\u30b6\u6bce\u306b\u751f\u6210\u3055\u308c\u3066\u3044\u308b\u52d5\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\u3067\u3059\u3057\u3001\u666e\u901a\u306f\u3084\u308a\u307e\u305b\u3093(\u3042\u308b\u610f\u5473\u6700\u7d42\u624b\u6bb5\u3068\u3082\u8a00\u3048\u308b)<br \/>\n\u96e3\u3057\u3044\u7406\u7531\u3068\u3057\u3066\u306f<\/p>\n<ul>\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u6df7\u3058\u308a\u306a\u3069\u304c\u8d77\u304d\u306a\u3044\u3088\u3046\u306a\u30ad\u30fc\u306e\u7ba1\u7406<\/li>\n<li>\u30da\u30fc\u30b8\u3092\u69cb\u6210\u3059\u308b\u8981\u7d20\u306eTTL\u304c\u540c\u671f\u3057\u3066\u3044\u306a\u3044<\/li>\n<li>\u305d\u3082\u305d\u3082\u518d\u5229\u7528\u3055\u308c\u308b\u306e\u304b\u3068\u3044\u3046\u8a71<\/li>\n<\/ul>\n<p>\u3053\u3093\u306a\u611f\u3058\u3067\u3059\u3002<br \/>\n\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u884c\u3046\u306e\u306f\u4f55\u5ea6\u3082\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u3092\u671f\u5f85\u3057\u3066\u884c\u3046\u3082\u306e\u3067\u3059\u304c\u3001\u5f53\u7136\u306a\u304c\u3089\u30e6\u30fc\u30b6\u6bce\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u305f\u3082\u306e\u306f\u30e6\u30fc\u30b6\u3057\u304b\u4f7f\u7528\u3057\u307e\u305b\u3093\u3002<br \/>\nTTL\u304c\u540c\u671f\u3057\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u8a71\u306f\u4f8b\u3048\u3070\u3001\u30da\u30fc\u30b8\u4e2d\u306b5\u5206\u304a\u304d\u306b\u66f4\u65b0\u3055\u308c\u308b\u76f4\u8fd1\u58f2\u308c\u305f\u3082\u306e\u30ea\u30b9\u30c8\u3068\u30e6\u30fc\u30b6\u306e\u884c\u52d5\u306b\u3088\u3063\u3066\u5909\u308f\u308b\u30ec\u30b3\u30e1\u30f3\u30c9\u304c\u3042\u308b\u306a\u3069\uff08\u3053\u308c\u306a\u3089XHR\u3067\u3084\u308c\u3070\u3044\u3044\u3068\u3044\u3046\u8a71\u3082\u3042\u308a\u307e\u3059\u304c\u305f\u3068\u3048\u306a\u306e\u3067\uff09<br \/>\n\u4e00\u4f53\u3069\u308c\u3060\u3051\u306eTTL\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308c\u3070\u3044\u3044\u304b\u304c\u308f\u304b\u3089\u306a\u3044\u30b1\u30fc\u30b9\u3067\u3059\u3002<br \/>\n\u3058\u3083\u3041\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u304b\u3068\u3044\u3046\u3068\u3001\u5c11\u3057\u767a\u60f3\u3092\u5909\u3048\u3066\u307f\u3066\u90e8\u54c1\u5358\u4f4d\u3067\u8003\u3048\u3066\u307f\u308b\u3053\u3068\u3067\u3059\u3002<br \/>\n\u305d\u3046\u3059\u308b\u3068\u6848\u5916\u518d\u5229\u7528\u3055\u308c\u305f\u308a\u3059\u308b\u3082\u306e\u304c\u3042\u3063\u305f\u308a\u3057\u307e\u3059\u3002<br \/>\n\u3082\u3061\u308d\u3093\u305d\u306e\u305f\u3081\u306e\u898f\u683c\u3082\u3042\u3063\u3066\u3001<a href=\"https:\/\/www.w3.org\/TR\/esi-lang\">Edge Side Includes(ESI)<\/a>\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<br \/>\n\u3056\u3063\u304f\u308a\u3044\u3046\u3068\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u6301\u3063\u3066\u304a\u3044\u3066CDN\u5074\u3067\u7d50\u5408\u3059\u308b\u611f\u3058\u3067\u3059\u3002<br \/>\n\u3053\u308c\u306b\u3088\u308a<\/p>\n<ul>\n<li>\u90e8\u54c1\u5358\u4f4d\u3067\u9069\u5207\u306aTTL\u3001\u66f4\u306b\u306f\u9069\u5207\u306a\u30ad\u30fc\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u304d\u308b\uff08\u305d\u306e\u30da\u30fc\u30b8\u304c\u30e6\u30fc\u30b6\u6bce\u3060\u3063\u305f\u3068\u3057\u3066\u3082\u90e8\u54c1\u304c\u30e6\u30fc\u30b6\u6bce\u3068\u306f\u9650\u3089\u306a\u3044\uff09<\/li>\n<li>\u518d\u5229\u7528\u3057\u3084\u3059\u3044<\/li>\n<\/ul>\n<p>\u3068\u3044\u3046\u3075\u3046\u306b\u306a\u308a\u307e\u3059\u306e\u3067<br \/>\n\u3046\u307e\u304f\u3059\u308c\u3070\u901a\u5e38\u306e\u30b5\u30a4\u30c8\u306e\u5834\u5408\u306f\u534a\u5206\u4ee5\u4e0a\u306f\u5b9f\u969b\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br 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href=\"https:\/\/www.slideshare.net\/xcir\/varnishesi\">Varnish\u3067\u306f\u3058\u3081\u308bESI<\/a>)<\/p>\n<h1>\u307e\u3068\u3081<\/h1>\n<p>\u3053\u3053\u307e\u3067\u5272\u3068CDN\u4f7f\u3063\u3066\u3044\u3053\u3046\u305c\u3066\u304d\u306a\u30ce\u30ea\u3067\u66f8\u3044\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u305d\u308c\u305e\u308c\u30e1\u30ea\u30c3\u30c8\u3084\u30c7\u30e1\u30ea\u30c3\u30c8\u7b49\u3044\u308d\u3044\u308d\u3042\u308a\u307e\u3059\u3002\u305d\u3057\u3066\u3082\u3061\u308d\u3093\u30b3\u30b9\u30c8\u3082\u304b\u304b\u308a\u307e\u3059\u306e\u3067\u3001\u898b\u5408\u3046\u898b\u5408\u308f\u306a\u3044\u3092\u9069\u5207\u306b\u5224\u65ad\u3057\u305f\u4e0a\u3067\u697d\u306b\u306a\u308c\u3070\u4f7f\u3048\u3070\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3057\u3001\u305d\u3046\u3067\u306a\u3044\u306a\u3089\u4f7f\u308f\u306a\u3051\u308c\u3070\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br 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\/>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u4f55\u304b\u3068\u8a71\u984c\u306aCDN\u3067\u3059\u304c\u3001\u305d\u3082\u305d\u3082CDN\u3063\u3066\u306a\u3093\u3060\u308d\u3046\u30fb\u30fb\u30fb\u3069\u3093\u306a\u3053\u3068\u306b\u4f7f\u3048\u308b\u3093\u3060\u308d\u3046\uff1f\u7684\u306a\u3053\u3068\u3092\u66f8\u3044\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002 \u4e00\u5fdc\u5148\u306b\u8a00\u3063\u3066\u304a\u304f\u3068\u3001\u79c1\u306fCDN\u696d\u8005\u306b\u6240\u5c5e\u3057\u305f\u3053\u3068\u306a\u3044\u306e\u3067\u3042\u304f\u307e\u3067\u3082\u5229\u7528\u8005\u3068\u3057\u3066\u898b\u305f\u6642\u306e\u8a71\u3092 <a href='http:\/\/blog.xcir.net\/?p=2575' class='excerpt-more'>[&#8230;]<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2575","post","type-post","status-publish","format-standard","hentry","category-3","category-3-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"_links":{"self":[{"href":"http:\/\/blog.xcir.net\/index.php?rest_route=\/wp\/v2\/posts\/2575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.xcir.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.xcir.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.xcir.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.xcir.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2575"}],"version-history":[{"count":40,"href":"http:\/\/blog.xcir.net\/index.php?rest_route=\/wp\/v2\/posts\/2575\/revisions"}],"predecessor-version":[{"id":2617,"href":"http:\/\/blog.xcir.net\/index.php?rest_route=\/wp\/v2\/posts\/2575\/revisions\/2617"}],"wp:attachment":[{"href":"http:\/\/blog.xcir.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2575"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.xcir.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2575"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.xcir.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}