{"id":5565,"date":"2025-08-09T19:42:21","date_gmt":"2025-08-09T10:42:21","guid":{"rendered":"https:\/\/sky-peace.net\/?p=5565"},"modified":"2025-08-09T19:42:21","modified_gmt":"2025-08-09T10:42:21","slug":"pipe-line","status":"publish","type":"post","link":"https:\/\/sky-peace.net\/certified\/pipe-line\/","title":{"rendered":"HTTP\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u3068HTTP\/2\u306e\u9055\u3044\u2502\u30b9\u30c8\u30ea\u30fc\u30e0\u30fbHPACK\u30fb\u30b5\u30fc\u30d0\u30d7\u30c3\u30b7\u30e5\u30fbWebSocket\u30fbWebDAV\u30fb\u30d8\u30c3\u30c0\u30fb\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u5b8c\u5168\u89e3\u8aac"},"content":{"rendered":"<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u901a\u4fe1\u306f\u3001\u5358\u7d14\u306b\u300c\u9001\u308b\u2192\u8fd4\u3063\u3066\u304f\u308b\u300d\u306e\u7e70\u308a\u8fd4\u3057\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002HTTP\u3068\u3044\u3046\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u6642\u4ee3\u3068\u3068\u3082\u306b\u9032\u5316\u3057\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u591a\u6a5f\u80fd\u306a\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u4f8b\u3048\u3070\u3001HTTP\/1.1\u306e\u300c\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u300d\u3067\u306f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9023\u7d9a\u3057\u3066\u9001\u308b\u3053\u3068\u3067\u5f85\u3061\u6642\u9593\u3092\u6e1b\u3089\u3059\u5de5\u592b\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u306b\u306f\u9650\u754c\u304c\u3042\u308a\u3001\u5f8c\u7d99\u306eHTTP\/2\u3067\u306f\u300c\u30b9\u30c8\u30ea\u30fc\u30e0\u300d\u3068\u3044\u3046\u6982\u5ff5\u3084\u300cHPACK\u300d\u306b\u3088\u308b\u30d8\u30c3\u30c0\u5727\u7e2e\u3001\u3055\u3089\u306b\u306f\u30b5\u30fc\u30d0\u5074\u304b\u3089\u30c7\u30fc\u30bf\u3092\u5148\u56de\u308a\u3057\u3066\u9001\u308b\u300c\u30b5\u30fc\u30d0\u30d7\u30c3\u30b7\u30e5\u300d\u306a\u3069\u304c\u767b\u5834\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001HTTP\u306fWeb\u30da\u30fc\u30b8\u306e\u8868\u793a\u3060\u3051\u3067\u306a\u304f\u3001\u30d5\u30a1\u30a4\u30eb\u7ba1\u7406\u3092\u53ef\u80fd\u306b\u3059\u308bWebDAV\u3084\u3001\u5e38\u6642\u63a5\u7d9a\u3092\u5b9f\u73fe\u3059\u308bWebSocket\u306a\u3069\u3001\u591a\u69d8\u306a\u62e1\u5f35\u3082\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001HTTP\u901a\u4fe1\u306e\u57fa\u672c\u3067\u3042\u308b\u300c\u30d8\u30c3\u30c0\u300d\u3068\u300c\u30dc\u30c7\u30a3\u300d\u306e\u5f79\u5272\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u72b6\u614b\u3092\u793a\u3059\u300c\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u300d\u3082\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u6280\u8853\u3092\u4f53\u7cfb\u7684\u306b\u6574\u7406\u3057\u306a\u304c\u3089\u3001\u8a66\u9a13\u3067\u554f\u308f\u308c\u3084\u3059\u3044\u9055\u3044\u3084\u4ed5\u7d44\u307f\u3092\u3001\u56f3\u89e3\u30fb\u8868\u30fb\u8eab\u8fd1\u306a\u4f8b\u3092\u4ea4\u3048\u3066\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u7279\u306b\u300c\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u3068HTTP\/2\u306e\u9055\u3044\u300d\u300c\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u6982\u5ff5\u300d\u300cHPACK\u306e\u4ed5\u7d44\u307f\u300d\u300c\u30b5\u30fc\u30d0\u30d7\u30c3\u30b7\u30e5\u306e\u52d5\u304d\u300d\u300cWebSocket\u3068\u306e\u9055\u3044\u300d\u3092\u91cd\u70b9\u7684\u306b\u62bc\u3055\u3048\u3001\u5b9f\u52d9\u3084\u8a66\u9a13\u5bfe\u7b56\u306e\u4e21\u9762\u3067\u5f79\u7acb\u3064\u77e5\u8b58\u3092\u5f97\u3089\u308c\u308b\u5185\u5bb9\u306b\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u3068HTTP\/2\u306e\u9055\u3044\u2502\u8a66\u9a13\u306b\u51fa\u308b\u4e26\u5217\u5316\u30fb\u591a\u91cd\u5316\u306e\u4ed5\u7d44\u307f<\/h2>\n<p>HTTP\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u30d6\u30e9\u30a6\u30b6\u306a\u3069\uff09\u3068\u30b5\u30fc\u30d0\u306e\u9593\u3067\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u901a\u4fe1\u52b9\u7387\u3092\u9ad8\u3081\u308b\u305f\u3081\u3001HTTP\/1.1\u3067\u306f\u300c\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u300d\u3068\u3044\u3046\u624b\u6cd5\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u30011\u3064\u306eTCP\u63a5\u7d9a\u3067\u8907\u6570\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u7acb\u3066\u7d9a\u3051\u306b\u9001\u4fe1\u3057\u3001\u30b5\u30fc\u30d0\u304b\u3089\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u9806\u756a\u306b\u53d7\u3051\u53d6\u308b\u65b9\u5f0f\u3067\u3059\u3002<\/p>\n<h3>\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u306e\u4ed5\u7d44\u307f<\/h3>\n<ul>\n<li><strong>\u7279\u5fb4<\/strong>\uff1a\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9023\u7d9a\u9001\u4fe1\u3067\u304d\u308b<\/li>\n<li><strong>\u5236\u7d04<\/strong>\uff1a\u30ec\u30b9\u30dd\u30f3\u30b9\u306f\u5fc5\u305a\u9001\u4fe1\u9806\u306b\u8fd4\u3063\u3066\u304f\u308b\uff08FIFO\uff09<\/li>\n<li><strong>\u8ab2\u984c<\/strong>\uff1a1\u3064\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u9045\u308c\u308b\u3068\u5f8c\u7d9a\u304c\u5f85\u305f\u3055\u308c\u308b\u300cHead-of-line blocking\uff08HOL\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\uff09\u300d\u304c\u767a\u751f<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\uff08HTTP\/1.1\uff09<\/th>\n<th>HTTP\/2<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30ea\u30af\u30a8\u30b9\u30c8\u9001\u4fe1<\/td>\n<td>\u9023\u7d9a\u9001\u4fe1\u53ef\u80fd<\/td>\n<td>\u4e26\u5217\u30fb\u591a\u91cd\u9001\u4fe1\u53ef\u80fd<\/td>\n<\/tr>\n<tr>\n<td>\u30ec\u30b9\u30dd\u30f3\u30b9\u9806\u5e8f<\/td>\n<td>\u5fc5\u305a\u9001\u4fe1\u9806<\/td>\n<td>\u9806\u5e8f\u81ea\u7531\uff08\u30b9\u30c8\u30ea\u30fc\u30e0ID\u3067\u7ba1\u7406\uff09<\/td>\n<\/tr>\n<tr>\n<td>HOL\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0<\/td>\n<td>\u767a\u751f\u3059\u308b<\/td>\n<td>\u767a\u751f\u3057\u306b\u304f\u3044\uff08TCP\u30ec\u30d9\u30eb\u306eHOL\u3092\u9664\u304f\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30d8\u30c3\u30c0\u5727\u7e2e<\/td>\n<td>\u306a\u3057\uff08\u30d8\u30c3\u30c0\u7e70\u308a\u8fd4\u3057\u591a\u3044\uff09<\/td>\n<td>HPACK\u3067\u5727\u7e2e<\/td>\n<\/tr>\n<tr>\n<td>\u30b5\u30fc\u30d0\u30d7\u30c3\u30b7\u30e5<\/td>\n<td>\u306a\u3057<\/td>\n<td>\u3042\u308a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>HTTP\/2\u306e\u9032\u5316\u30dd\u30a4\u30f3\u30c8<\/h3>\n<p>HTTP\/2\u3067\u306f\u300c\u591a\u91cd\u5316\uff08Multiplexing\uff09\u300d\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u8907\u6570\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u3092<strong>\u540c\u6642\u306b\u4e26\u5217\u51e6\u7406<\/strong>\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30011\u3064\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u9045\u308c\u3066\u3082\u4ed6\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u306b\u304f\u304f\u306a\u308a\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001\u30d8\u30c3\u30c0\u5727\u7e2e\uff08HPACK\uff09\u3084\u30b5\u30fc\u30d0\u30d7\u30c3\u30b7\u30e5\u3068\u3044\u3063\u305f\u65b0\u6a5f\u80fd\u3082\u52a0\u308f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u8eab\u8fd1\u306a\u4f8b\u3048<\/h3>\n<ul>\n<li><strong>\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406<\/strong>\uff1a1\u672c\u306e\u30ec\u30fc\u30f3\u3057\u304b\u306a\u3044\u30ec\u30b8\u3067\u3001\u5ba2\u304c\u9806\u756a\u306b\u6e05\u7b97\u3002\u524d\u306e\u4eba\u304c\u3082\u305f\u3064\u304f\u3068\u5168\u54e1\u304c\u5f85\u3064\u3002<\/li>\n<li><strong>HTTP\/2\u306e\u591a\u91cd\u5316<\/strong>\uff1a\u8907\u6570\u30ec\u30fc\u30f3\u306e\u30bb\u30eb\u30d5\u30ec\u30b8\u30021\u4eba\u304c\u6642\u9593\u3092\u304b\u3051\u3066\u3082\u4ed6\u306e\u30ec\u30fc\u30f3\u306f\u9032\u3080\u3002<\/li>\n<\/ul>\n<h3>\u7c21\u6613\u56f3\u89e3\uff08\u901a\u4fe1\u306e\u6d41\u308c\uff09<\/h3>\n<pre><code>HTTP\/1.1 \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\uff1a\nRequest1 \u2192 Request2 \u2192 Request3\n   \u2193\nResponse1 \u2192 Response2 \u2192 Response3\n\nHTTP\/2 \u591a\u91cd\u5316\uff1a\nRequest1 &#x2194; Response1\nRequest2 &#x2194; Response2\nRequest3 &#x2194; Response3\n\uff08\u540c\u6642\u9032\u884c\uff09\n<\/code><\/pre>\n<hr \/>\n<h2>HTTP\/2\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u3068HPACK\u5727\u7e2e\u2502\u52b9\u7387\u5316\u306e\u6838\u5fc3\u6280\u8853<\/h2>\n<p>HTTP\/2\u3067\u306f\u3001\u901a\u4fe1\u306e\u5358\u4f4d\u3068\u3057\u3066<strong>\u30b9\u30c8\u30ea\u30fc\u30e0\uff08Stream\uff09<\/strong>\u3068\u3044\u3046\u6982\u5ff5\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002\u30b9\u30c8\u30ea\u30fc\u30e0\u306f\u30011\u3064\u306eTCP\u63a5\u7d9a\u306e\u4e2d\u3067\u72ec\u7acb\u3057\u3066\u3084\u308a\u53d6\u308a\u3067\u304d\u308b\u4eee\u60f3\u7684\u306a\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u8907\u6570\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u3092<strong>\u540c\u6642\u4e26\u884c<\/strong>\u3067\u51e6\u7406\u3067\u304d\u3001HTTP\/1.1\u306e\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u3067\u8d77\u304d\u3066\u3044\u305fHOL\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u554f\u984c\u3092\u7de9\u548c\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u7279\u5fb4<\/h3>\n<ul>\n<li><strong>\u30b9\u30c8\u30ea\u30fc\u30e0ID<\/strong>\uff1a\u5404\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u306f\u756a\u53f7\uff08ID\uff09\u304c\u5272\u308a\u632f\u3089\u308c\u308b<\/li>\n<li><strong>\u512a\u5148\u5ea6\u5236\u5fa1<\/strong>\uff1a\u91cd\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u512a\u5148\u7684\u306b\u9001\u4fe1\u3067\u304d\u308b<\/li>\n<li><strong>\u7247\u65b9\u5411\u30fb\u53cc\u65b9\u5411<\/strong>\u306e\u4e21\u65b9\u306b\u5bfe\u5fdc<\/li>\n<\/ul>\n<h3>HPACK\u306b\u3088\u308b\u30d8\u30c3\u30c0\u5727\u7e2e<\/h3>\n<p>HTTP\/1.1\u3067\u306f\u3001\u540c\u3058\u30db\u30b9\u30c8\u540d\u3084Cookie\u306a\u3069\u306eHTTP\u30d8\u30c3\u30c0\u60c5\u5831\u304c\u6bce\u56de\u7e70\u308a\u8fd4\u3057\u9001\u3089\u308c\u3001\u901a\u4fe1\u91cf\u304c\u5897\u5927\u3057\u3066\u3044\u307e\u3057\u305f\u3002HTTP\/2\u306f<strong>HPACK\uff08Header Compression for HTTP\/2\uff09<\/strong>\u3068\u3044\u3046\u65b9\u5f0f\u3067\u3053\u308c\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>HTTP\/1.1<\/th>\n<th>HTTP\/2\uff08HPACK\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30d8\u30c3\u30c0\u5727\u7e2e<\/td>\n<td>\u306a\u3057<\/td>\n<td>\u3042\u308a\uff08\u9759\u7684\u30c6\u30fc\u30d6\u30eb\uff0b\u52d5\u7684\u30c6\u30fc\u30d6\u30eb\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u7e70\u308a\u8fd4\u3057\u30d8\u30c3\u30c0<\/td>\n<td>\u6bce\u56de\u9001\u4fe1<\/td>\n<td>1\u56de\u9001\u4fe1\u5f8c\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u53c2\u7167<\/td>\n<\/tr>\n<tr>\n<td>\u6587\u5b57\u5217\u8868\u73fe<\/td>\n<td>\u305d\u306e\u307e\u307e\u9001\u4fe1<\/td>\n<td>\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u5316\u3067\u5727\u7e2e<\/td>\n<\/tr>\n<tr>\n<td>\u52b9\u679c<\/td>\n<td>\u901a\u4fe1\u91cf\u5897\u52a0<\/td>\n<td>\u901a\u4fe1\u91cf\u3092\u5927\u5e45\u524a\u6e1b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>HPACK\u306e\u4ed5\u7d44\u307f\uff08\u7c21\u6613\u30a4\u30e1\u30fc\u30b8\uff09<\/h3>\n<ol>\n<li><strong>\u9759\u7684\u30c6\u30fc\u30d6\u30eb<\/strong>\uff1a\u5171\u901a\u30d8\u30c3\u30c0\uff08\u4f8b\uff1a<code>:method: GET<\/code>\uff09\u306f\u4e8b\u524d\u767b\u9332\u6e08\u307f<\/li>\n<li><strong>\u52d5\u7684\u30c6\u30fc\u30d6\u30eb<\/strong>\uff1a\u901a\u4fe1\u4e2d\u306b\u9001\u3089\u308c\u305f\u65b0\u3057\u3044\u30d8\u30c3\u30c0\u3092\u767b\u9332\u3057\u3001\u4ee5\u964d\u306f\u756a\u53f7\u3067\u53c2\u7167<\/li>\n<li><strong>\u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u5316<\/strong>\uff1a\u6587\u5b57\u5217\u81ea\u4f53\u3092\u5727\u7e2e<\/li>\n<\/ol>\n<h3>\u8eab\u8fd1\u306a\u4f8b\u3048<\/h3>\n<ul>\n<li><strong>HTTP\/1.1\u306e\u30d8\u30c3\u30c0\u9001\u4fe1<\/strong>\uff1a\u6bce\u56de\u4f4f\u6240\u30fb\u6c0f\u540d\u30fb\u96fb\u8a71\u756a\u53f7\u3092\u5168\u90e8\u66f8\u3044\u305f\u5b85\u914d\u4f1d\u7968\u3092\u6e21\u3059<\/li>\n<li><strong>HPACK\u5727\u7e2e<\/strong>\uff1a\u6700\u521d\u306b\u30d5\u30eb\u60c5\u5831\u3092\u6e21\u3057\u3001\u6b21\u304b\u3089\u306f\u300c\u9867\u5ba2\u756a\u53f7\u300d\u3067\u4f1d\u3048\u308b<\/li>\n<\/ul>\n<h3>\u30b9\u30c8\u30ea\u30fc\u30e0\uff0bHPACK\u306e\u7d44\u307f\u5408\u308f\u305b\u52b9\u679c<\/h3>\n<ul>\n<li>\u30da\u30fc\u30b8\u5185\u306e\u753b\u50cf\u3001CSS\u3001JS\u306a\u3069\u3092\u540c\u6642\u53d6\u5f97\u53ef\u80fd<\/li>\n<li>\u30d8\u30c3\u30c0\u306e\u91cd\u8907\u9001\u4fe1\u3092\u9632\u304e\u3001\u30e2\u30d0\u30a4\u30eb\u56de\u7dda\u3067\u3082\u9ad8\u901f\u5316<\/li>\n<\/ul>\n<h2>HTTP\/2\u30b5\u30fc\u30d0\u30d7\u30c3\u30b7\u30e5\u306e\u4ed5\u7d44\u307f\u3068\u6ce8\u610f\u70b9\u2502\u5148\u56de\u308a\u914d\u4fe1\u3067\u9ad8\u901f\u5316<\/h2>\n<p>HTTP\/2\u3067\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u308b\u524d\u306b\u3001\u30b5\u30fc\u30d0\u5074\u304c\u5fc5\u8981\u306b\u306a\u308a\u305d\u3046\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u5148\u56de\u308a\u3057\u3066\u9001\u4fe1\u3059\u308b<strong>\u30b5\u30fc\u30d0\u30d7\u30c3\u30b7\u30e5\uff08Server Push\uff09<\/strong>\u6a5f\u80fd\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30da\u30fc\u30b8\u8868\u793a\u306b\u5fc5\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u4e8b\u524d\u914d\u4fe1\u3057\u3001\u8868\u793a\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u3089\u308c\u307e\u3059\u3002<\/p>\n<h3>\u30b5\u30fc\u30d0\u30d7\u30c3\u30b7\u30e5\u306e\u52d5\u4f5c\u30a4\u30e1\u30fc\u30b8<\/h3>\n<ol>\n<li>\u30d6\u30e9\u30a6\u30b6\u304cHTML\u30d5\u30a1\u30a4\u30eb\u3092\u30ea\u30af\u30a8\u30b9\u30c8<\/li>\n<li>\u30b5\u30fc\u30d0\u306fHTML\u3092\u8fd4\u3059\u3068\u540c\u6642\u306b\u3001\u305d\u306eHTML\u5185\u3067\u53c2\u7167\u3055\u308c\u3066\u3044\u308bCSS\u3084JavaScript\u3001\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u3082\u81ea\u52d5\u3067\u9001\u4fe1<\/li>\n<li>\u30d6\u30e9\u30a6\u30b6\u306f\u53d7\u3051\u53d6\u3063\u305f\u30ea\u30bd\u30fc\u30b9\u3092\u3059\u3050\u5229\u7528\u3067\u304d\u308b\u305f\u3081\u3001\u8868\u793a\u304c\u901f\u304f\u306a\u308b<\/li>\n<\/ol>\n<h3>\u8eab\u8fd1\u306a\u4f8b\u3048<\/h3>\n<ul>\n<li>\u666e\u901a\u306eHTTP\u901a\u4fe1\uff1a\u304a\u5ba2\u3055\u3093\u304c\u6599\u7406\u3092\u983c\u3093\u3060\u3089\u3001\u305d\u306e\u6599\u7406\u3060\u3051\u51fa\u3059<\/li>\n<li>\u30b5\u30fc\u30d0\u30d7\u30c3\u30b7\u30e5\uff1a\u6599\u7406\u3092\u983c\u307e\u308c\u305f\u3089\u3001\u5fc5\u8981\u306b\u306a\u308a\u305d\u3046\u306a\u7bb8\u30fb\u30b9\u30fc\u30d7\u30fb\u6f2c\u7269\u3082\u4e00\u7dd2\u306b\u51fa\u3059<\/li>\n<\/ul>\n<h3>\u30e1\u30ea\u30c3\u30c8<\/h3>\n<ul>\n<li>\u30ea\u30af\u30a8\u30b9\u30c8\u56de\u6570\u3092\u6e1b\u3089\u305b\u308b<\/li>\n<li>\u8868\u793a\u306e\u521d\u52d5\u3092\u9ad8\u901f\u5316\u3067\u304d\u308b<\/li>\n<\/ul>\n<h3>\u6ce8\u610f\u70b9<\/h3>\n<ul>\n<li>\u4e0d\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u9001\u308b\u3068\u5e2f\u57df\u306e\u7121\u99c4\u306b\u306a\u308b<\/li>\n<li>\u30d6\u30e9\u30a6\u30b6\u304c\u3059\u3067\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u9006\u52b9\u679c<\/li>\n<li>HTTP\/3\uff08QUIC\uff09\u3067\u306f\u30b5\u30fc\u30d0\u30d7\u30c3\u30b7\u30e5\u306e\u5229\u7528\u304c\u6e1b\u5c11\u50be\u5411<\/li>\n<\/ul>\n<h3>\u30b5\u30fc\u30d0\u30d7\u30c3\u30b7\u30e5\u306e\u7c21\u6613\u56f3\u89e3<\/h3>\n<pre><code>\u901a\u5e38\u901a\u4fe1\uff1a\nClient \u2192 HTML\u304f\u3060\u3055\u3044\nServer \u2192 HTML\u3069\u3046\u305e\nClient \u2192 CSS\u304f\u3060\u3055\u3044\nServer \u2192 CSS\u3069\u3046\u305e\n\n\u30b5\u30fc\u30d0\u30d7\u30c3\u30b7\u30e5\uff1a\nClient \u2192 HTML\u304f\u3060\u3055\u3044\nServer \u2192 HTML\uff0bCSS\uff0bJS\u3069\u3046\u305e\uff08\u4e00\u62ec\uff09\n<\/code><\/pre>\n<hr \/>\n<h2>WebSocket\u3068\u306e\u9055\u3044\u3068\u4f7f\u3044\u5206\u3051\u2502HTTP\u3068\u306e\u5883\u754c\u7dda\u3092\u7406\u89e3\u3059\u308b<\/h2>\n<p>HTTP\u3068WebSocket\u306f\u3069\u3061\u3089\u3082Web\u901a\u4fe1\u3067\u4f7f\u308f\u308c\u307e\u3059\u304c\u3001\u76ee\u7684\u3084\u7279\u6027\u304c\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002HTTP\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u30da\u30a2\u306b\u3088\u308b<strong>\u4e00\u65b9\u5411\u578b<\/strong>\u901a\u4fe1\u304c\u57fa\u672c\u3067\u3059\u304c\u3001WebSocket\u306f<strong>\u53cc\u65b9\u5411\u30fb\u5e38\u6642\u63a5\u7d9a<\/strong>\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>HTTP\u306e\u7279\u5fb4<\/h3>\n<ul>\n<li>\u901a\u4fe1\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u2192\u30ec\u30b9\u30dd\u30f3\u30b9\u306e1\u5f80\u5fa9\u5358\u4f4d<\/li>\n<li>\u63a5\u7d9a\u306f\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u90fd\u5ea6\u78ba\u7acb\uff08Keep-Alive\u3067\u7dad\u6301\u53ef\u80fd\uff09<\/li>\n<li>\u30da\u30fc\u30b8\u53d6\u5f97\u3084API\u547c\u3073\u51fa\u3057\u306b\u9069\u3059\u308b<\/li>\n<\/ul>\n<h3>WebSocket\u306e\u7279\u5fb4<\/h3>\n<ul>\n<li>1\u56de\u63a5\u7d9a\u3057\u305f\u3089\u7dad\u6301\u3057\u7d9a\u3051\u3001\u53cc\u65b9\u5411\u306b\u30c7\u30fc\u30bf\u3092\u9001\u53d7\u4fe1<\/li>\n<li>\u30b5\u30fc\u30d0\u304b\u3089\u306e\u5373\u6642\u901a\u77e5\u304c\u53ef\u80fd<\/li>\n<li>\u30c1\u30e3\u30c3\u30c8\u3084\u30aa\u30f3\u30e9\u30a4\u30f3\u30b2\u30fc\u30e0\u3001\u682a\u4fa1\u66f4\u65b0\u306a\u3069\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027\u304c\u5fc5\u8981\u306a\u30b5\u30fc\u30d3\u30b9\u306b\u9069\u3059\u308b<\/li>\n<\/ul>\n<h3>\u6bd4\u8f03\u8868<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>HTTP<\/th>\n<th>WebSocket<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u901a\u4fe1\u65b9\u5411<\/td>\n<td>\u57fa\u672c\u306f\u4e00\u65b9\u5411\uff08\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u767a\u2192\u30b5\u30fc\u30d0\u5fdc\u7b54\uff09<\/td>\n<td>\u53cc\u65b9\u5411<\/td>\n<\/tr>\n<tr>\n<td>\u63a5\u7d9a\u7dad\u6301<\/td>\n<td>\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u78ba\u7acb<\/td>\n<td>\u5e38\u6642\u63a5\u7d9a<\/td>\n<\/tr>\n<tr>\n<td>\u7528\u9014<\/td>\n<td>\u30da\u30fc\u30b8\u53d6\u5f97\u3001API\u901a\u4fe1<\/td>\n<td>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c1\u30e3\u30c3\u30c8\u3001\u901a\u77e5\u3001\u30b2\u30fc\u30e0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u8eab\u8fd1\u306a\u4f8b\u3048<\/h3>\n<ul>\n<li><strong>HTTP<\/strong>\uff1a\u5e97\u306b\u884c\u304f\u305f\u3073\u306b\u6ce8\u6587\u3057\u3066\u53d7\u3051\u53d6\u308b\u30b9\u30bf\u30a4\u30eb<\/li>\n<li><strong>WebSocket<\/strong>\uff1a\u30ab\u30a6\u30f3\u30bf\u30fc\u5e2d\u306b\u5ea7\u308a\u3001\u5fc5\u8981\u306a\u6642\u306b\u3059\u3050\u6ce8\u6587\u30fb\u63d0\u4f9b\u3057\u3066\u3082\u3089\u3048\u308b\u30b9\u30bf\u30a4\u30eb<\/li>\n<\/ul>\n<h3>\u4f7f\u3044\u5206\u3051\u306e\u6307\u91dd<\/h3>\n<ul>\n<li>\u66f4\u65b0\u983b\u5ea6\u304c\u4f4e\u304f\u3001\u5fc5\u8981\u306a\u6642\u3060\u3051\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u306fHTTP<\/li>\n<li>\u5e38\u306b\u6700\u65b0\u60c5\u5831\u3092\u3084\u308a\u53d6\u308a\u3057\u305f\u3044\u5834\u5408\u306fWebSocket<\/li>\n<\/ul>\n<h2>WebDAV\u306e\u7279\u5fb4\u3068\u5229\u7528\u4f8b\u2502HTTP\u3092\u4f7f\u3063\u305f\u30ea\u30e2\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c<\/h2>\n<p>WebDAV\uff08Web-based Distributed Authoring and Versioning\uff09\u306f\u3001HTTP\u3092\u62e1\u5f35\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3084\u7de8\u96c6\u3001\u524a\u9664\u306a\u3069\u3092\u53ef\u80fd\u306b\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u901a\u5e38\u306eHTTP\u304c\u300c\u8aad\u307f\u53d6\u308a\u4e2d\u5fc3\u300d\u306a\u306e\u306b\u5bfe\u3057\u3001WebDAV\u306f\u30b5\u30fc\u30d0\u4e0a\u306e\u30d5\u30a1\u30a4\u30eb\u3092<strong>\u30ea\u30e2\u30fc\u30c8\u3067\u7de8\u96c6\u30fb\u7ba1\u7406\u3067\u304d\u308b<\/strong>\u70b9\u304c\u5927\u304d\u306a\u7279\u5fb4\u3067\u3059\u3002<\/p>\n<h3>WebDAV\u306e\u57fa\u672c\u6a5f\u80fd<\/h3>\n<ul>\n<li>\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u30fb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/li>\n<li>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u4f5c\u6210\u30fb\u524a\u9664<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u306e\u79fb\u52d5\u3084\u30b3\u30d4\u30fc<\/li>\n<li>\u30ed\u30c3\u30af\u6a5f\u80fd\u306b\u3088\u308b\u540c\u6642\u7de8\u96c6\u9632\u6b62<\/li>\n<\/ul>\n<h3>HTTP\u3068\u306e\u95a2\u4fc2<\/h3>\n<p>WebDAV\u306fHTTP\u306e\u62e1\u5f35\u3068\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u8ffd\u52a0\u30e1\u30bd\u30c3\u30c9\uff08<code>PROPFIND<\/code>\u3001<code>MKCOL<\/code>\u3001<code>LOCK<\/code>\u3001<code>UNLOCK<\/code> \u306a\u3069\uff09\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001HTTP\u3067\u5229\u7528\u3059\u308b\u30dd\u30fc\u30c8\u756a\u53f780\u3084443\u3092\u305d\u306e\u307e\u307e\u4f7f\u3048\u307e\u3059\u3002<\/p>\n<h3>\u8eab\u8fd1\u306a\u4f8b\u3048<\/h3>\n<ul>\n<li>\u901a\u5e38\u306eHTTP\uff1a\u7f8e\u8853\u9928\u3067\u4f5c\u54c1\u3092\u89b3\u308b\u3060\u3051\uff08\u95b2\u89a7\u5c02\u7528\uff09<\/li>\n<li>WebDAV\uff1a\u30a2\u30c8\u30ea\u30a8\u306b\u5165\u3063\u3066\u4f5c\u54c1\u3092\u63cf\u304d\u76f4\u3057\u305f\u308a\u8ffd\u52a0\u3057\u305f\u308a\u3067\u304d\u308b\uff08\u7de8\u96c6\u53ef\u80fd\uff09<\/li>\n<\/ul>\n<h3>\u5229\u7528\u4f8b<\/h3>\n<ul>\n<li>\u30af\u30e9\u30a6\u30c9\u30b9\u30c8\u30ec\u30fc\u30b8\uff08\u4f8b\uff1aownCloud\u3001Nextcloud\uff09<\/li>\n<li>\u4f01\u696d\u5185\u306e\u6587\u66f8\u5171\u6709\u30b7\u30b9\u30c6\u30e0<\/li>\n<li>Web\u30b5\u30fc\u30d0\u4e0a\u3067\u306e\u5171\u540c\u7de8\u96c6<\/li>\n<\/ul>\n<h3>\u30e1\u30ea\u30c3\u30c8\u3068\u6ce8\u610f\u70b9<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u30e1\u30ea\u30c3\u30c8<\/th>\n<th>\u6ce8\u610f\u70b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>HTTP\u4e92\u63db\u3067\u65e2\u5b58\u306e\u30a4\u30f3\u30d5\u30e9\u3092\u5229\u7528\u53ef\u80fd<\/td>\n<td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u3092\u5f37\u5316\u3057\u306a\u3044\u3068\u5916\u90e8\u304b\u3089\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u30ea\u30b9\u30af\u3042\u308a<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a1\u30a4\u30eb\u7ba1\u7406\u3092GUI\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3084OS\u6a19\u6e96\u6a5f\u80fd\u3067\u884c\u3048\u308b<\/td>\n<td>\u5927\u91cf\u30d5\u30a1\u30a4\u30eb\u3084\u5927\u5bb9\u91cf\u30c7\u30fc\u30bf\u306b\u306f\u4e0d\u5411\u304d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>HTTP\u30d8\u30c3\u30c0\u3068\u30dc\u30c7\u30a3\u306e\u5f79\u5272\u2502\u901a\u4fe1\u5185\u5bb9\u3092\u6574\u7406\u3059\u308b2\u3064\u306e\u9818\u57df<\/h2>\n<p>HTTP\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u5927\u304d\u304f<strong>\u30d8\u30c3\u30c0\uff08Header\uff09<\/strong>\u3068<strong>\u30dc\u30c7\u30a3\uff08Body\uff09<\/strong>\u306e2\u3064\u306e\u90e8\u5206\u306b\u5206\u304b\u308c\u307e\u3059\u3002\u30d8\u30c3\u30c0\u306f\u901a\u4fe1\u306e\u300c\u8aac\u660e\u66f8\u300d\u3001\u30dc\u30c7\u30a3\u306f\u300c\u5b9f\u969b\u306e\u4e2d\u8eab\u300d\u3068\u8003\u3048\u308b\u3068\u5206\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002<\/p>\n<h3>HTTP\u30e1\u30c3\u30bb\u30fc\u30b8\u69cb\u9020<\/h3>\n<pre><code>\u30ea\u30af\u30a8\u30b9\u30c8\uff08\u4f8b\uff09\nGET \/index.html HTTP\/1.1\nHost: example.com\nUser-Agent: Mozilla\/5.0\nAccept: text\/html\n\n\uff08\u30dc\u30c7\u30a3\u306f\u901a\u5e38\u306a\u3057\uff09\n\n\u30ec\u30b9\u30dd\u30f3\u30b9\uff08\u4f8b\uff09\nHTTP\/1.1 200 OK\nContent-Type: text\/html\nContent-Length: 1024\n\n<html> ... <\/html>\n<\/code><\/pre>\n<h3>\u30d8\u30c3\u30c0\u306e\u5f79\u5272<\/h3>\n<ul>\n<li>\u30ea\u30af\u30a8\u30b9\u30c8\u3084\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u8ffd\u52a0\u60c5\u5831\u3092\u4f1d\u3048\u308b<\/li>\n<li>\u4f8b\uff1a<code>Content-Type<\/code>\uff08\u30c7\u30fc\u30bf\u5f62\u5f0f\uff09\u3001<code>Content-Length<\/code>\uff08\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\uff09\u3001<code>Set-Cookie<\/code>\uff08\u30af\u30c3\u30ad\u30fc\u8a2d\u5b9a\uff09<\/li>\n<li>HTTP\/2\u4ee5\u964d\u306f\u30d8\u30c3\u30c0\u5727\u7e2e\uff08HPACK\uff09\u306b\u3088\u3063\u3066\u9001\u4fe1\u52b9\u7387\u304c\u5411\u4e0a<\/li>\n<\/ul>\n<h3>\u30dc\u30c7\u30a3\u306e\u5f79\u5272<\/h3>\n<ul>\n<li>\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\uff08HTML\u3001\u753b\u50cf\u3001JSON\u306a\u3069\uff09\u3092\u683c\u7d0d<\/li>\n<li>POST\u3084PUT\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u306f\u30d5\u30a9\u30fc\u30e0\u5165\u529b\u5185\u5bb9\u3084\u30d5\u30a1\u30a4\u30eb\u304c\u542b\u307e\u308c\u308b<\/li>\n<\/ul>\n<h3>\u8eab\u8fd1\u306a\u4f8b\u3048<\/h3>\n<ul>\n<li><strong>\u30d8\u30c3\u30c0<\/strong>\uff1a\u5b85\u914d\u4fbf\u306e\u9001\u308a\u72b6\uff08\u5b9b\u5148\u30fb\u30b5\u30a4\u30ba\u30fb\u767a\u9001\u65e5\u306a\u3069\uff09<\/li>\n<li><strong>\u30dc\u30c7\u30a3<\/strong>\uff1a\u8377\u7269\u306e\u4e2d\u8eab\u305d\u306e\u3082\u306e<\/li>\n<\/ul>\n<h3>\u8a66\u9a13\u3067\u554f\u308f\u308c\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8<\/h3>\n<ul>\n<li>\u30d8\u30c3\u30c0\u3068\u30dc\u30c7\u30a3\u306f\u7a7a\u884c\uff08CRLF\uff09\u3067\u533a\u5207\u3089\u308c\u308b<\/li>\n<li>GET\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u901a\u5e38\u30dc\u30c7\u30a3\u3092\u6301\u305f\u306a\u3044<\/li>\n<li>HTTP\/2\u3067\u3082\u6982\u5ff5\u306f\u540c\u3058\u3060\u304c\u3001\u5b9f\u88c5\u30ec\u30d9\u30eb\u3067\u306f\u30d5\u30ec\u30fc\u30e0\u5206\u5272\u3055\u308c\u308b<\/li>\n<\/ul>\n<h2>HTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u4e00\u89a7\u3068\u8a66\u9a13\u983b\u51fa\u30dd\u30a4\u30f3\u30c8\u2502\u610f\u5473\u3068\u4f7f\u3044\u3069\u3053\u308d\u3092\u7406\u89e3\u3059\u308b<\/h2>\n<p>HTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306f\u3001\u30b5\u30fc\u30d0\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u8fd4\u3059\u5fdc\u7b54\u306e\u72b6\u614b\u3092\u793a\u30593\u6841\u306e\u6570\u5b57\u3067\u3059\u3002\u6700\u521d\u306e1\u6841\u3067\u5206\u985e\u3055\u308c\u3001\u7d9a\u304f2\u6841\u3067\u8a73\u7d30\u3092\u8868\u3057\u307e\u3059\u3002Web\u306e\u52d5\u4f5c\u78ba\u8a8d\u3084\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3060\u3051\u3067\u306a\u304f\u3001\u8a66\u9a13\u3067\u3082\u3088\u304f\u554f\u308f\u308c\u308b\u5206\u91ce\u3067\u3059\u3002<\/p>\n<h3>\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306e\u5206\u985e<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u5206\u985e<\/th>\n<th>\u7bc4\u56f2<\/th>\n<th>\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1xx<\/td>\n<td>100\u301c199<\/td>\n<td>\u60c5\u5831\uff08\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u3001\u51e6\u7406\u3092\u7d99\u7d9a\uff09<\/td>\n<\/tr>\n<tr>\n<td>2xx<\/td>\n<td>200\u301c299<\/td>\n<td>\u6210\u529f\uff08\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u6b63\u5e38\u306b\u51e6\u7406\u3055\u308c\u305f\uff09<\/td>\n<\/tr>\n<tr>\n<td>3xx<\/td>\n<td>300\u301c399<\/td>\n<td>\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\uff08\u5225\u306e\u5834\u6240\u3078\u8a98\u5c0e\uff09<\/td>\n<\/tr>\n<tr>\n<td>4xx<\/td>\n<td>400\u301c499<\/td>\n<td>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30a8\u30e9\u30fc\uff08\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u554f\u984c\uff09<\/td>\n<\/tr>\n<tr>\n<td>5xx<\/td>\n<td>500\u301c599<\/td>\n<td>\u30b5\u30fc\u30d0\u30a8\u30e9\u30fc\uff08\u30b5\u30fc\u30d0\u5074\u3067\u51e6\u7406\u5931\u6557\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u4ee3\u8868\u7684\u306a\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u30b3\u30fc\u30c9<\/th>\n<th>\u610f\u5473<\/th>\n<th>\u8a66\u9a13\u30dd\u30a4\u30f3\u30c8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>200 OK<\/td>\n<td>\u30ea\u30af\u30a8\u30b9\u30c8\u6210\u529f<\/td>\n<td>\u6700\u3082\u57fa\u672c\u7684\u306a\u6210\u529f\u30ec\u30b9\u30dd\u30f3\u30b9<\/td>\n<\/tr>\n<tr>\n<td>301 Moved Permanently<\/td>\n<td>\u6052\u4e45\u7684\u306a\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/td>\n<td>SEO\u3084URL\u5909\u66f4\u6642\u306b\u4f7f\u7528<\/td>\n<\/tr>\n<tr>\n<td>302 Found<\/td>\n<td>\u4e00\u6642\u7684\u306a\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/td>\n<td>\u4e00\u6642\u79fb\u8ee2\u6642\u306b\u5229\u7528<\/td>\n<\/tr>\n<tr>\n<td>304 Not Modified<\/td>\n<td>\u524d\u56de\u304b\u3089\u5909\u66f4\u306a\u3057<\/td>\n<td>\u30ad\u30e3\u30c3\u30b7\u30e5\u5229\u7528\u6642\u306b\u91cd\u8981<\/td>\n<\/tr>\n<tr>\n<td>400 Bad Request<\/td>\n<td>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u4e0d\u6b63<\/td>\n<td>URL\u306e\u5f62\u5f0f\u30a8\u30e9\u30fc\u306a\u3069<\/td>\n<\/tr>\n<tr>\n<td>401 Unauthorized<\/td>\n<td>\u8a8d\u8a3c\u304c\u5fc5\u8981<\/td>\n<td>Basic\u8a8d\u8a3c\u3084Bearer\u30c8\u30fc\u30af\u30f3\u306a\u3069<\/td>\n<\/tr>\n<tr>\n<td>403 Forbidden<\/td>\n<td>\u30a2\u30af\u30bb\u30b9\u7981\u6b62<\/td>\n<td>\u8a8d\u8a3c\u306f\u901a\u3063\u305f\u304c\u6a29\u9650\u306a\u3057<\/td>\n<\/tr>\n<tr>\n<td>404 Not Found<\/td>\n<td>\u5bfe\u8c61\u30ea\u30bd\u30fc\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044<\/td>\n<td>\u6700\u983b\u51fa\u30a8\u30e9\u30fc<\/td>\n<\/tr>\n<tr>\n<td>500 Internal Server Error<\/td>\n<td>\u30b5\u30fc\u30d0\u5185\u90e8\u30a8\u30e9\u30fc<\/td>\n<td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4e0d\u5177\u5408\u306a\u3069<\/td>\n<\/tr>\n<tr>\n<td>503 Service Unavailable<\/td>\n<td>\u30b5\u30fc\u30d3\u30b9\u4e00\u6642\u505c\u6b62\u4e2d<\/td>\n<td>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3084\u9ad8\u8ca0\u8377\u6642<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u8eab\u8fd1\u306a\u4f8b\u3048<\/h3>\n<ul>\n<li><strong>200 OK<\/strong>\uff1a\u6ce8\u6587\u901a\u308a\u306b\u6599\u7406\u304c\u63d0\u4f9b\u3055\u308c\u305f<\/li>\n<li><strong>404 Not Found<\/strong>\uff1a\u6ce8\u6587\u3057\u305f\u6599\u7406\u304c\u30e1\u30cb\u30e5\u30fc\u306b\u306a\u3044<\/li>\n<li><strong>503 Service Unavailable<\/strong>\uff1a\u53a8\u623f\u304c\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u4e2d\u3067\u6599\u7406\u3067\u304d\u306a\u3044<\/li>\n<\/ul>\n<h3>\u8a66\u9a13\u3067\u554f\u308f\u308c\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8<\/h3>\n<ul>\n<li>\u5206\u985e\u306e\u756a\u53f7\u3068\u610f\u5473\u3092\u62bc\u3055\u3048\u308b<\/li>\n<li>301\u3068302\u3001401\u3068403\u306a\u3069\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b<\/li>\n<li>304 Not 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