{"id":21360,"date":"2021-09-16T17:43:27","date_gmt":"2021-09-16T08:43:27","guid":{"rendered":"https:\/\/labs.gree.jp\/blog\/?p=21360"},"modified":"2023-05-12T15:04:26","modified_gmt":"2023-05-12T06:04:26","slug":"post21360","status":"publish","type":"post","link":"https:\/\/labs.gree.jp\/blog\/2021\/09\/21360\/","title":{"rendered":"CDN\u306e\u30aa\u30ea\u30b8\u30f3\u306bGCS\u3092\u4f7f\u3046\u969b\u306b\u6ce8\u610f\u3057\u305f\u3044\u30dd\u30a4\u30f3\u30c8"},"content":{"rendered":"\n<p>\u3053\u3093\u306b\u3061\u306f\u3001\u3044\u308f\u306a\u3061\u3083\u3093\u3055\u3093(@xcir)\u3067\u3059\u3002<\/p>\n\n\n\n<p>Web\u30b5\u30a4\u30c8\u306b\u306f\u69d8\u3005\u306a\u30ea\u30bd\u30fc\u30b9\u304c\u5b58\u5728\u3057\u3001\u305d\u308c\u3089\u3092S3\u3084GCS\u306a\u3069\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u683c\u7d0d\u3059\u308b\u3053\u3068\u306f\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u591a\u304f\u306e\u30b5\u30a4\u30c8\u3067\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u76f4\u63a5\u4f7f\u3046\u3053\u3068\u306f\u3042\u307e\u308a\u306a\u304f\uff08\u305d\u3082\u305d\u3082\u304a\u52e7\u3081\u3067\u304d\u307e\u305b\u3093\u304c\uff09\u901a\u5e38\u306fCDN\u3092\u88ab\u305b\u3066\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u63d0\u4f9b\u3059\u308b\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306fCDN\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<br>\u4f8b\u3048\u3070AWS\u3067\u3042\u308c\u3070CloudFront\u304c\u3042\u308a\u307e\u3059\u3057GCP\u3067\u3042\u308c\u3070CloudCDN\u304c\u3042\u308a\u3001\u305d\u308c\u3089\u3092\u7d44\u307f\u5408\u308f\u305b\u3067\u4f7f\u3046\u5834\u5408\u3082\u591a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3068\u3053\u308d\u304c\u6a5f\u80fd\u3001\u30b3\u30b9\u30c8\u306a\u3069\u69d8\u3005\u306a\u7406\u7531\u3067Akamai\u3084Fastly\u306a\u3069\u306e\u5916\u90e8CDN\u3092\u4f7f\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30b9\u30c8\u30ec\u30fc\u30b8\u306a\u306e\u3067\u5358\u7d14\u306b\u30d5\u30a1\u30a4\u30eb\u7f6e\u304d\u5834\u3068\u3057\u3066\u8003\u3048\u308c\u3070\u305d\u3053\u307e\u3067\u6c17\u306b\u3059\u308b\u30dd\u30a4\u30f3\u30c8\u306f\u306a\u3044\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3068\u3053\u308d\u304c\u3001GCS\u306b\u3064\u3044\u3066\u306f\u7d44\u307f\u8fbc\u307f\u30ad\u30e3\u30c3\u30b7\u30e5(Built-in cache)\u304c\u5b58\u5728\u3057\u3001\u3053\u308c\u304c\u307e\u305f\u304b\u306a\u308a\u7656\u304c\u3042\u308a\u307e\u3059\u3002<br>\u4eca\u56de\u306fGCS\u3068\u5916\u90e8CDN\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046\u5834\u5408\u306b\u6c17\u3092\u4ed8\u3051\u3066\u304a\u304d\u305f\u3044\u30dd\u30a4\u30f3\u30c8\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">GCS\u306e\u7d44\u307f\u8fbc\u307f\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52d5\u304d<\/h2>\n\n\n\n<p>GCS\u306fCache-Control\u3092\u4ed8\u4e0e\u3059\u308b\u3068<a href=\"https:\/\/cloud.google.com\/storage\/docs\/caching#built-in_caching_for\">\u81ea\u8eab\u3067\u30ad\u30e3\u30c3\u30b7\u30e5<\/a>\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3060\u3051\u3092\u898b\u308b\u3068\u7279\u306bCDN\u306f\u5fc5\u8981\u306a\u3044\u306e\u3067\u306f\u3068\u611f\u3058\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30d1\u30fc\u30b8\u304c\u3067\u304d\u306a\u3044\u305f\u3081GCS\u4e0a\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u4e0a\u66f8\u304d\u3057\u3066\u3082\u8a2d\u5b9a\u3055\u308c\u305fTTL\u304c\u904e\u304e\u308b\u307e\u3067\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u307e\u3059\u3002<br>\u307e\u305f\u3001\u30ea\u30f3\u30af\u5148\u306b\u3082\u3042\u308b\u3088\u3046\u306b\u30b3\u30b9\u30c8\u3092\u8003\u3048\u308b\u3068\u5c11\u3057\u4f7f\u3044\u3065\u3089\u3044\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>Cache-Control\u3092\u8a2d\u5b9a\u3057\u306a\u3051\u308c\u3070\u554f\u984c\u306a\u3044\u306e\u3067\u306f\u3068\u8003\u3048\u308b\u65b9\u3082\u3044\u3089\u3063\u3057\u3083\u308b\u3068\u601d\u3046\u306e\u3067\u3059\u304c\u3001\u7279\u306b\u6307\u5b9a\u304c\u306a\u3044\u5834\u5408\u306f<strong>public, max-age=3600<\/strong>\u3064\u307e\u308a1\u6642\u9593\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u308b\u8a2d\u5b9a\u3067\u52d5\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u4f55\u3089\u304b\u306e\u5bfe\u7b56\u3092\u6253\u305f\u306a\u3044\u3068GCS\u3092\u5358\u7d14\u306a\u30d5\u30a1\u30a4\u30eb\u7f6e\u304d\u5834\u3068\u3057\u3066\u4f7f\u3048\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u5b9f\u969b\u306b\u30e1\u30bf\u60c5\u5831\u3092\u8a2d\u5b9a\u3057\u3069\u306e\u3088\u3046\u306a\u52d5\u4f5c\u3092\u3059\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<br><strong><span class=\"has-inline-color has-vivid-red-color\">\u3042\u304f\u307e\u3067\u3053\u306e\u60c5\u5831\u306f2021\/09\/01\u6642\u70b9\u306e\u60c5\u5831\u3067\u3001\u5b9f\u969b\u306b\u4f7f\u3046\u5834\u5408\u306f\u4e00\u5ea6\u81ea\u8eab\u3067\u3082\u52d5\u4f5c\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/span><\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u516c\u958b\u30d0\u30b1\u30c3\u30c8(allUsers=Storage\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u95b2\u89a7\u8005)<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30e1\u30bf\u8a2d\u5b9a<br>(Cache-Control)<\/th><th>\u8a2d\u5b9a\u306a\u3057(default)<\/th><th>max-age=120<\/th><th>private,<br> max-age=120<\/th><th>s-maxage=120<\/th><\/tr><\/thead><tbody><tr><td><strong>\u30ec\u30b9\u30dd\u30f3\u30b9\u3055\u308c\u305f<br>Cache-Control<\/strong><\/td><td>public, max-age=3600<\/td><td>max-age=120<\/td><td>private, max-age=120<\/td><td>s-maxage=120<\/td><\/tr><tr><td><strong>GCS\u7d44\u307f\u8fbc\u307f\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong><\/td><td>\u6709\u52b9<\/td><td>\u6709\u52b9<\/td><td><strong><span class=\"has-inline-color has-vivid-red-color\">\u7121\u52b9<\/span><\/strong><\/td><td>\u6709\u52b9<\/td><\/tr><tr><td><strong>\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong><\/td><td>\u6709\u52b9<\/td><td>\u6709\u52b9<\/td><td>\u6709\u52b9<\/td><td>\u6709\u52b9(heuristics)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30e1\u30bf\u8a2d\u5b9a(Cache-Control)<\/th><th>no-cache<\/th><th>no-store<\/th><th>private<\/th><\/tr><\/thead><tbody><tr><td><strong>\u30ec\u30b9\u30dd\u30f3\u30b9\u3055\u308c\u305f<br>Cache-Control<\/strong><\/td><td>no-cache<\/td><td>no-store<\/td><td>private<\/td><\/tr><tr><td><strong>GCS\u7d44\u307f\u8fbc\u307f\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong><\/td><td>\u6709\u52b9(TTL=0)<\/td><td><strong><span class=\"has-inline-color has-vivid-red-color\">\u7121\u52b9<\/span><\/strong><\/td><td><strong><span class=\"has-inline-color has-vivid-red-color\">\u7121\u52b9<\/span><\/strong><\/td><\/tr><tr><td><strong>\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong><\/td><td>\u6709\u52b9(TTL=0)<\/td><td><strong><span class=\"has-inline-color has-vivid-red-color\">\u7121\u52b9<\/span><\/strong><\/td><td>\u6709\u52b9(heuristics)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u308f\u304b\u308a\u3084\u3059\u3044\u3088\u3046\u306b\u30ec\u30b9\u30dd\u30f3\u30b9\u3055\u308c\u305fCache-Control\u304c\u30d6\u30e9\u30a6\u30b6\u304c\u3069\u306e\u3088\u3046\u306b\u89e3\u91c8\u3059\u308b\u304b\u3082\u4e00\u7dd2\u306b\u66f8\u304d\u307e\u3057\u305f\u3002<br>GCS\u7d44\u307f\u8fbc\u307f\u30ad\u30e3\u30c3\u30b7\u30e5\u306fCDN\u3068\u3057\u3066\u307f\u305f\u5834\u5408\u3001\u5272\u3068\u7d20\u76f4\u306bCache-Control\u3092\u89e3\u91c8\u3057\u3066\u3044\u307e\u3059\u3002<br>\u306a\u306e\u3067\u9003\u3052\u9053\u304c\u5c11\u306a\u3044\u3068\u3044\u3046\u306e\u304c\u6b63\u76f4\u306a\u3068\u3053\u308d\u3067\u3059\u3002<br>\u57fa\u672c\u7684\u306b\u306fno-store\u3084private\u3092\u3064\u3051\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u306a\u304a\u3001no-cache\u3084heuristics\u306e\u52d5\u304d\u306f<a rel=\"noreferrer noopener\" href=\"http:\/\/blog.xcir.net\/?p=2806\" data-type=\"URL\" data-id=\"http:\/\/blog.xcir.net\/?p=2806\" target=\"_blank\">HTTP\u30ad\u30e3\u30c3\u30b7\u30e5\u5165\u9580\u306e\u5165\u9580<\/a>\u3068\u3044\u3046\u8a18\u4e8b\u3092\u66f8\u3044\u3066\u307e\u3059\u306e\u3067\u3053\u3061\u3089\u3082\u5408\u308f\u305b\u3066\u8aad\u3093\u3067\u3082\u3089\u308c\u3070\u3068<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u975e\u516c\u958b\u30d0\u30b1\u30c3\u30c8<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u8a8d\u8a3c\u6e08\u307fURL(?authuser=1)<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30e1\u30bf\u8a2d\u5b9a(Cache-Control)<\/th><th><strong>\u8a2d\u5b9a\u306a\u3057(default)<\/strong><\/th><th>max-age=120<\/th><\/tr><\/thead><tbody><tr><td><strong>\u30ec\u30b9\u30dd\u30f3\u30b9\u3055\u308c\u305f<br>Cache-Control<\/strong><\/td><td>no-cache, no-store, max-age=0, must-revalidate<\/td><td>no-cache, no-store, max-age=0, must-revalidate<\/td><\/tr><tr><td><strong>GCS\u7d44\u307f\u8fbc\u307f\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong><\/td><td><strong><span class=\"has-inline-color has-vivid-red-color\">\u7121\u52b9<\/span><\/strong><\/td><td><strong><span class=\"has-inline-color has-vivid-red-color\">\u7121\u52b9<\/span><\/strong><\/td><\/tr><tr><td><strong>\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong><\/td><td><strong><span class=\"has-inline-color has-vivid-red-color\">\u7121\u52b9<\/span><\/strong><\/td><td><strong><span class=\"has-inline-color has-vivid-red-color\">\u7121\u52b9<\/span><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">v4\u7f72\u540d<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30e1\u30bf\u8a2d\u5b9a(Cache-Control)<\/th><th><strong>\u8a2d\u5b9a\u306a\u3057(default)<\/strong><\/th><th>max-age=120<\/th><\/tr><\/thead><tbody><tr><td><strong>\u30ec\u30b9\u30dd\u30f3\u30b9\u3055\u308c\u305f<br>Cache-Control<\/strong><\/td><td>private, max-age=0<\/td><td>max-age=120<\/td><\/tr><tr><td><strong>GCS\u7d44\u307f\u8fbc\u307f\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong><\/td><td><strong><span class=\"has-inline-color has-vivid-red-color\">\u7121\u52b9<\/span><\/strong><\/td><td><strong><span class=\"has-inline-color has-vivid-red-color\">\u7121\u52b9<\/span><\/strong><br><strong><span class=\"has-inline-color has-vivid-red-color\">(Age\u304c\u5e30\u3063\u3066\u3053\u306a\u3044\u306e\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u306a\u3044\u8a8d\u8b58)<\/span><\/strong><\/td><\/tr><tr><td><strong>\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong><\/td><td>\u6709\u52b9(heuristics)<\/td><td>\u6709\u52b9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u52d5\u304d\u3067\u9762\u767d\u3044\u306a\u3068\u611f\u3058\u305f\u306e\u306f\u975e\u516c\u958b\u30d0\u30b1\u30c3\u30c8\u3092\u30aa\u30ea\u30b8\u30f3\u3068\u3057\u305f\u5834\u5408\u306e\u52d5\u304d\u3067\u3001\u3059\u3079\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002<br>\u306a\u304a\u3053\u306e\u52d5\u304d\u306f\u3042\u304f\u307e\u3067\u3082\u975e\u516c\u958b\u306e\u6642\u3067\u3001\u516c\u958b\u306e\u5834\u5408\u306f\u307e\u305f\u52d5\u304d\u304c\u9055\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3061\u306a\u307f\u306b\u30aa\u30ea\u30b8\u30f3\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3059\u308b\u969b\u306b\u304a\u624b\u8efd\u306bv4\u7f72\u540d\u3092\u884c\u3048\u308bCDN\u306f\u81ea\u5206\u306e\u77e5\u3063\u3066\u3044\u308b\u3082\u306e\u3060\u3068Akamai, Fastly\u304c\u3042\u308a\u307e\u3059\u3002\uff08\u3082\u3061\u308d\u3093CloudFront\u3067\u3082Lambda@Edge\u4f7f\u3048\u3070\u884c\u3051\u307e\u3059\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3069\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308c\u3070\u3044\u3044\u306e\u304b<\/h2>\n\n\n\n<p>GCS\u3092\u30aa\u30ea\u30b8\u30f3\u3068\u3057\u3066\u4f7f\u3046\u5834\u5408\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u3044\u304b\u306bGCS\u5074\u306e\u7d44\u307f\u8fbc\u307f\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6291\u5236\u3059\u308b\u304b\u3067\u3059\u3002<br>v4\u7f72\u540d\u304c\u4f7f\u3048\u308bCDN\u3067\u3042\u308c\u3070\u3001GCS\u5074\u3092\u975e\u516c\u958b\u306b\u3057\u305f\u4e0a\u3067v4\u7f72\u540d\u3067\u884c\u3048\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u3002<br>\u554f\u984c\u306f\u516c\u958b\u30d0\u30b1\u30c3\u30c8\u3092\u30aa\u30ea\u30b8\u30f3\u3068\u3057\u3066\u4f7f\u308f\u3056\u308b\u3092\u5f97\u306a\u3044\u5834\u5408\u3067\u3059\u3002<br>\u3053\u306e\u969b\u306bCDN\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6a5f\u80fd\u304c\u3042\u308c\u3070\u554f\u984c\u306a\u3044\u306e\u3067\u3059\u304c<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u969b\u306eTTL\u3092\u5225\u306b\u8a2d\u5b9a\u3067\u304d\u308b\u304b\uff08\u30aa\u30ea\u30b8\u30f3\u306eCache-Control\u3092\u7121\u8996\uff09<\/li><li>Cache-Control\u3092CDN\u3067\u7de8\u96c6\u3067\u304d\u308b\u304b<\/li><\/ol>\n\n\n\n<p>\u3053\u306e\u3069\u3061\u3089\u3082\u3067\u304d\u306a\u3044CDN\u306e\u5834\u5408\uff08Cache-Control\u306e\u307f\u3092\u898b\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308bCDN\uff09\u3060\u3068\u7d44\u307f\u8fbc\u307f\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u306e\u3067\u7d44\u307f\u5408\u308f\u305b\u3092\u8003\u3048\u305f\u307b\u3046\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">CloudFront+GCS\u516c\u958b\u30d0\u30b1\u30c3\u30c8\u3067\u306e\u4f8b<\/h3>\n\n\n\n<p>\u4f8b\u3048\u3070CloudFront(cf)\u306e\u5834\u5408\u3067\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>TTL\u306f\u5225\u306b\u8a2d\u5b9a\u3067\u304d\u308b(minimum\/default\/max-TTL)\u306e\u3068Cache-Control\u306e\u7de8\u96c6(Lambda@Edge \/ Functions )\u3082\u53ef\u80fd\u3067\u3059\u3002<br>Cache-Control\u3092\u7de8\u96c6\u3059\u308b\u306a\u3089v4\u7f72\u540d\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u4e00\u65e6\u305d\u308c\u306f\u7f6e\u3044\u3066\u304a\u3044\u3066TTL\u306e\u8a2d\u5b9a\u306e\u307f\u3067\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>TTL\u306e\u8a2d\u5b9a\u306e\u307f\u3067\u884c\u3046\u5834\u5408\u306fminimum-TTL\u30920\u4ee5\u4e0a\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067s-maxage=0\u6307\u5b9a\u6642\u3067\u3082cf\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u304d\u307e\u3059\u3002<br>\u306a\u306e\u3067\u3001\u30e1\u30bf\u306b<strong>s-maxage=0, max-age=120<\/strong>\u3092\u8a2d\u5b9a\u3057\u305f\u3046\u3048\u3067minimum-TTL\u309260\u3068\u8a2d\u5b9a\u3059\u308c\u3070cf\u3067\u306f60\u79d2\u3001\u30d6\u30e9\u30a6\u30b6\u3067\u308260~120\u79d2\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002(private\u6307\u5b9a\u306e\u5834\u5408\u3067\u3082\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u307e\u3059\u304c\u3001\u30a8\u30e9\u30fc\u6642\u306b\u4f7f\u308f\u308c\u308bstale-if-error\u3068\u3057\u3066\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u306a\u308a\u307e\u3059)<\/p>\n\n\n\n<p>CDN\u3068\u30d6\u30e9\u30a6\u30b6\u3067\u306eTTL\u306e\u5272\u308a\u632f\u308a\u306b\u3064\u3044\u3066\u306f\u4eca\u56de\u306e\u672c\u7b4b\u3067\u306f\u306a\u3044\u306e\u3068\u3001\u5272\u3068\u3044\u308d\u3044\u308d\u8003\u3048\u308b\u3053\u3068\u591a\u3044\u306e\u3067<a rel=\"noreferrer noopener\" href=\"http:\/\/blog.xcir.net\/?p=2806\" target=\"_blank\">\u8a18\u4e8b<\/a>\u304b<a rel=\"noreferrer noopener\" href=\"https:\/\/www.amazon.co.jp\/gp\/product\/4297119250\" target=\"_blank\">\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u95a2\u3059\u308b\u672c<\/a>\u3092\u66f8\u3044\u305f\u306e\u3067\u305d\u308c\u898b\u3066\u307b\u3057\u3044\u306a\u3041\u3068\u304b\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u203bcf\u306eprivate\u6307\u5b9a\u6642\u3067\u3082\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u307e\u3059\u304c\u3001\u30a8\u30e9\u30fc\u6642\u3057\u304b\u4f7f\u308f\u308c\u306a\u3044\u306e\u3067s-maxage\u306b\u4fee\u6b63\u3057\u3066\u3044\u307e\u3059<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u305d\u306e\u307b\u304b\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u3053\u3068(X-Http-Method-Override)<\/h2>\n\n\n\n<p>GCS\u306fX-Http-Method-Override\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306f\u6307\u5b9a\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u306b\u4e0a\u66f8\u304d\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u304c\u3001<br>\u4f8b\u3048\u3070<strong>X-Http-Method-Override: HEAD<\/strong>\u3068\u6307\u5b9a\u3057\u305f\u5834\u5408\u3001CDN\u5074\u304b\u3089\u3059\u308b\u3068GET\u30ea\u30af\u30a8\u30b9\u30c8\u306a\u306e\u306bHEAD\u306e\u7d50\u679c\uff080\u30d0\u30a4\u30c8\uff09\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u305b\u308b\u3068\u3044\u3063\u305f\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u306a\u306e\u3067\u3001GCS\u3092\u30aa\u30ea\u30b8\u30f3\u3068\u3059\u308b\u5834\u5408\u306f\u3053\u306e\u30d8\u30c3\u30c0\u3092\u8ee2\u9001\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\uff08\u30d8\u30c3\u30c0\u3092\u524a\u308b\uff09<br>\u3061\u306a\u307f\u306bcf\u3060\u3068\u30c7\u30d5\u30a9\u30eb\u30c8\u3060\u3068\u8ee2\u9001\u3057\u307e\u305b\u3093\u304c\u3001\u4ed6\u306e\u30d8\u30c3\u30c0\u3092\u8ee2\u9001\u3057\u3088\u3046\u3068\u3057\u3066\uff08\u3068\u3044\u3063\u3066\u3082GCS\u3092\u30aa\u30ea\u30b8\u30f3\u3068\u3059\u308b\u306a\u3089\u4e0d\u8981\u3067\u3059\u304c\uff09\u542b\u3081\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3042\u3068\u7d44\u307f\u8fbc\u307f\u30ad\u30e3\u30c3\u30b7\u30e5\u3060\u3068\u3069\u3046\u3044\u3046\u52d5\u304d\u306b\u306a\u308b\u306e\u304b\u898b\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u672a\u30ad\u30e3\u30c3\u30b7\u30e5\u72b6\u614b\u3067X-Http-Method-Override: HEAD\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u306a\u3044<\/li><li>\u30ad\u30e3\u30c3\u30b7\u30e5\u72b6\u614b\u3067X-Http-Method-Override: HEAD\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306f\u65e2\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u3066\u3044\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30ec\u30b9\u30dd\u30f3\u30b9\uff08\u5b9f\u8cea\u7121\u52b9\uff09<\/li><\/ul>\n\n\n\n<p>\u3053\u306e\u52d5\u304d\u306fCloudCDN\u3067\u3082\u540c\u3058\u3067\u3001\u500b\u4eba\u7684\u306b\u306fVary\u3064\u3051\u3066\u307b\u3057\u3044\u306a\u3041\u3068\u601d\u3063\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8cbb\u7528\u3092\u4e0b\u3052\u3088\u3046\uff08CDN Interconnect\uff09<\/h2>\n\n\n\n<p>\u3053\u308c\u306fGCS\u306b\u9650\u3089\u305a\u306a\u306e\u3067\u3059\u304c\u3001\u30af\u30e9\u30a6\u30c9\u3092\u4f7f\u3046\u4e0a\u3067\u7d50\u69cb\u5927\u304d\u3044\u8cbb\u7528\u3068\u3057\u3066\u5bfe\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8cbb\u7528\u304c\u3042\u308a\u307e\u3059\u3002<br>\u901a\u5e38\u3053\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8cbb\u7528\u306f\u3042\u307e\u308a\u5272\u5f15\u304c\u7121\u3044\u306e\u3067\u3059\u304c\u3001<a rel=\"noreferrer noopener\" href=\"https:\/\/cloud.google.com\/network-connectivity\/docs\/cdn-interconnect?hl=ja\" target=\"_blank\">CDN Interconnect<\/a>\u3068\u3044\u3046\u6a5f\u80fd\u3092\u4f7f\u3046\u3053\u3068\u3067\u534a\u984d\u3050\u3089\u3044\u306b\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u6a5f\u80fd\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u306f\u9650\u3089\u308c\u305fCDN\u3067\u3001\u6761\u4ef6\u306f\u5404CDN\u3067\u5fae\u5999\u306b\u7570\u306a\u308b\u306e\u3067\u3001CDN\u30d9\u30f3\u30c0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u305f\u307b\u3046\u304c\u826f\u3044\u306e\u3067\u3059\u304c\u3001<br>\u57fa\u672c\u7684\u306b\u306fCDN\u306e\u30a8\u30c3\u30b8\u3068Google\u5074\u304c\u76f4\u63a5\u63a5\u7d9a\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3042\u304f\u307e\u3067\u4f8b\u3067\u3059\u304c\u3001\u81ea\u5206\u306fLocation Type\u3092Region\u306b\u3057\u3066CDN\u306e\u591a\u6bb5\u30a8\u30c3\u30b8\u306e\u89aa\u5074\u306e\u30ea\u30fc\u30b8\u30e7\u30f3\u3092GCS\u306e\u30ea\u30fc\u30b8\u30e7\u30f3\u306e\u8fd1\u3044\u7b87\u6240\u3092\u9078\u3076\u3068\u4f7f\u3048\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3046\u307e\u304f\u52b9\u304f\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8cbb\u7528\u306e\u9805\u76ee\u3067<\/p>\n\n\n\n<p>Network Egress via <strong><span class=\"has-inline-color has-vivid-red-color\">Carrier Peering<\/span><\/strong> Network - APAC Based Compute Engine<\/p>\n\n\n\n<p>\u3053\u3093\u306a\u611f\u3058\u3067Carrier Peering\u3068\u3044\u3046\u30ad\u30fc\u30ef\u30fc\u30c9\u304c\u5897\u3048\u307e\u3059\u306e\u3067\u308f\u304b\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br>GCS\u9650\u5b9a\u3068\u3044\u3046\u308f\u3051\u3067\u3082\u306a\u3044\u306e\u3067\u3001\u4f55\u304b\u3057\u3089GCP\u3067\u63d0\u4f9b\u3057\u3066\u3044\u308b\u524d\u6bb5\u306bCDN\u3092\u88ab\u305b\u308b\u3068\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u6e1b\u308b\u4ee5\u5916\u306b\u3082\u5b89\u304f\u306a\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308b\u3053\u3068\u3092\u77e5\u3063\u3066\u304a\u304f\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 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Web\u30b5\u30a4\u30c8\u306b\u306f\u69d8\u3005\u306a\u30ea\u30bd\u30fc\u30b9\u304c\u5b58\u5728\u3057\u3001\u305d\u308c\u3089\u3092S3\u3084GCS\u306a\u3069\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u683c\u7d0d\u3059\u308b\u3053\u3068\u306f\u3088\u304f\u3042\u308a\u307e\u3059\u3002 \u3057\u304b\u3057\u3001\u591a\u304f\u306e\u30b5\u30a4\u30c8\u3067\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u76f4 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