{"id":210369,"date":"2025-10-24T11:50:52","date_gmt":"2025-10-24T03:50:52","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210369\/"},"modified":"2025-10-24T11:50:53","modified_gmt":"2025-10-24T03:50:53","slug":"cdn-381","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210369\/","title":{"rendered":"\u79d2\u7ea7\u54cd\u5e94\uff1a\u4f01\u4e1a\u5e94\u7528\u7684CDN\u52a0\u901f\u4e0e\u4f18\u5316\u5168\u653b\u7565"},"content":{"rendered":"<p>\u5728\u5168\u7403\u4e92\u8054\u7f51\u7528\u6237\u5bf9\u54cd\u5e94\u901f\u5ea6\u7684\u5bb9\u5fcd\u5ea6\u8d8a\u6765\u8d8a\u4f4e\u7684\u4eca\u5929\uff0c\u5b9e\u73b0<strong>\u79d2\u7ea7\u54cd\u5e94<\/strong>\u5df2\u6210\u4e3a\u4f01\u4e1a\u5e94\u7528\u7684\u521a\u9700\u3002\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff08CDN\uff09\u4f5c\u4e3a\u964d\u4f4e\u5ef6\u8fdf\u3001\u63d0\u5347\u5e76\u53d1\u80fd\u529b\u548c\u6269\u5927\u53ef\u7528\u6027\u7684\u5173\u952e\u6280\u672f\uff0c\u6b63\u88ab\u5e7f\u6cdb\u7528\u4e8e\u7f51\u7ad9\u3001API\u3001\u89c6\u9891\u548c\u79fb\u52a8\u5e94\u7528\u7684\u52a0\u901f\u4e0e\u4f18\u5316\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u6df1\u5165\u89e3\u6790CDN\u7684\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u3001\u4f18\u5316\u7b56\u7565\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u5e76\u7ed3\u5408\u4e0d\u540c\u5730\u533a\uff08\u5982\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u3001\u7f8e\u56fd\uff09\u90e8\u7f72\u5b9e\u8df5\uff0c\u5e2e\u52a9\u60a8\u628a\u4f01\u4e1a\u5e94\u7528\u63a8\u5411\u66f4\u5feb\u3001\u66f4\u53ef\u9760\u7684\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<h2>CDN 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Headers\uff09\uff1a\u51b3\u5b9a\u4e86\u7f13\u5b58\u547d\u4e2d\u7387\u3002\u5bf9\u9759\u6001\u8d44\u6e90\u901a\u5e38\u5ffd\u7565 Cookie \u548c\u67d0\u4e9b Query \u53c2\u6570\uff0c\u5bf9API\u573a\u666f\u5219\u9700\u8981\u7cbe\u7ec6\u5316\u8bbe\u8ba1\u7f13\u5b58\u952e\u4ee5\u907f\u514d\u6c61\u67d3\u3002<\/li>\n<li>\u5206\u5c42\u7f13\u5b58\uff08Edge + Regional + Origin\uff09\uff1a\u8bbe\u7f6e\u8fb9\u7f18\u4f18\u5148\uff0c\u533a\u57df\uff08Origin Shield\uff09\u4f5c\u4e3a\u56de\u6e90\u4fdd\u62a4\u5c42\uff0c\u51cf\u5c11\u5bf9\u6e90\u7ad9\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u7684\u76f4\u63a5\u538b\u529b\u3002<\/li>\n<\/ul>\n<h3>\u667a\u80fd\u8def\u7531\u4e0e Anycast<\/h3>\n<p>CDN \u901a\u5e38\u4f7f\u7528 Anycast DNS 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\u573a\u666f\uff0c\u8fb9\u7f18\u7f13\u5b58\u6216\u9884\u8ba1\u7b97\u80fd\u628a\u54cd\u5e94\u65f6\u95f4\u538b\u5230\u6beb\u79d2\u7ea7\u3002<\/p>\n<h2>\u4e3b\u8981\u5e94\u7528\u573a\u666f\u4e0e\u5177\u4f53\u4f18\u5316\u65b9\u6cd5<\/h2>\n<h3>\u9759\u6001\u7f51\u7ad9\u4e0e\u5a92\u4f53\u5206\u53d1<\/h3>\n<p>\u65e0\u8bba\u662f\u6258\u7ba1\u5728\u9999\u6e2f\u670d\u52a1\u5668\u8fd8\u662f\u6d77\u5916\u670d\u52a1\u5668\uff08\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u65e5\u672c\u670d\u52a1\u5668\u7b49\uff09\uff0c\u9759\u6001\u8d44\u6e90\uff08HTML\u3001CSS\u3001JS\u3001\u56fe\u7247\u3001\u89c6\u9891\uff09\u901a\u8fc7CDN\u52a0\u901f\u90fd\u80fd\u83b7\u5f97\u663e\u8457\u6027\u80fd\u63d0\u5347\u3002\u5173\u952e\u4f18\u5316\u70b9\uff1a<\/p>\n<ul>\n<li>\u542f\u7528 Brotli \u6216 Gzip \u538b\u7f29\u5e76\u4e3a\u4e0d\u540c\u8d44\u6e90\u7c7b\u578b\u8bbe\u7f6e\u5dee\u5f02\u5316\u7f13\u5b58\u7b56\u7565\u3002<\/li>\n<li>\u56fe\u7247\u4f7f\u7528 WebP\/AVIF \u5e76\u7ed3\u5408\u54cd\u5e94\u5f0f\u56fe\u7247\uff08srcset\uff09\u4e0e\u61d2\u52a0\u8f7d\uff0c\u8fb9\u7f18\u8fdb\u884c\u683c\u5f0f\u8f6c\u6362\u4e0e\u88c1\u526a\u3002<\/li>\n<li>\u89c6\u9891\u91c7\u7528\u5206\u6bb5\uff08HLS\/DASH\uff09\u5e76\u7ed3\u5408\u8fb9\u7f18\u7f13\u5b58\u4e0e\u5e26\u5bbd\u81ea\u9002\u5e94\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h3>API \u670d\u52a1\u4e0e\u5fae\u670d\u52a1\u67b6\u6784<\/h3>\n<p>API \u7684\u54cd\u5e94\u53d6\u51b3\u4e8e\u52a8\u6001\u8ba1\u7b97\u80fd\u529b\u548c\u6570\u636e\u5e93\/\u540e\u7aef\u7684\u5ef6\u8fdf\u3002CDN \u5728\u4e0b\u5217\u65b9\u9762\u80fd\u4f18\u5316API\uff1a<\/p>\n<ul>\n<li>\u7f13\u5b58\u53ef\u7f13\u5b58\u7684\u8d44\u6e90\uff08\u5982\u516c\u5171\u914d\u7f6e\u3001\u5730\u533a\u9759\u6001\u6570\u636e\uff09\uff0c\u8bbe\u7f6e\u5408\u9002\u7684 TTL \u4e0e stale-while-revalidate \u7b56\u7565\u3002<\/li>\n<li>\u4f7f\u7528\u8bf7\u6c42\u5408\u5e76\uff08Request Coalescing\uff09\u548c\u56de\u6e90\u9650\u901f\uff0c\u907f\u514d\u77ac\u65f6\u5237\u7a7f\u6e90\u7ad9\u3002<\/li>\n<li>\u901a\u8fc7\u8fb9\u7f18\u77ed\u8def\uff08Edge Short-Circuit\uff09\u5904\u7406\u8ba4\u8bc1 Token \u7684\u79bb\u7ebf\u9a8c\u8bc1\u6216\u901f\u7387\u9650\u5236\u3002<\/li>\n<li>\u4e3a\u5b9e\u65f6\u53cc\u5411\u901a\u4fe1\uff08WebSocket\u3001gRPC-Web\uff09\u9009\u62e9\u652f\u6301\u63e1\u624b\u7a7f\u900f\u6216\u4f7f\u7528 WebSocket Gateway\u3002<\/li>\n<\/ul>\n<h3>\u7535\u5546\u3001\u767b\u5f55\u4e0e\u4e2a\u6027\u5316\u9875\u9762<\/h3>\n<p>\u8fd9\u4e9b\u9875\u9762\u5177\u6709\u8f83\u9ad8\u7684\u4e2a\u6027\u5316\u5185\u5bb9\u6bd4\u4f8b\uff0c\u76f4\u63a5\u5168\u7f13\u5b58\u4f1a\u5bfc\u81f4\u9519\u8bef\u3002\u5e38\u89c1\u505a\u6cd5\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7ec4\u5408\u7f13\u5b58\uff1a\u7f13\u5b58\u9875\u9762\u7684\u516c\u5171\u7247\u6bb5\uff08header\u3001footer\u3001\u9759\u6001\u7ec4\u4ef6\uff09\uff0c\u5c06\u4e2a\u6027\u5316\u7247\u6bb5\u901a\u8fc7 AJAX \u6216\u8fb9\u7f18\u6e32\u67d3\u83b7\u53d6\u3002<\/li>\n<li>\u8fb9\u7f18\u6e32\u67d3\uff08Edge-Side Includes, ESI\uff09\uff1a\u5728\u8fb9\u7f18\u62fc\u63a5\u7f13\u5b58\u7247\u6bb5\uff0c\u65e2\u51cf\u5c11\u56de\u6e90\u53c8\u786e\u4fdd\u5185\u5bb9\u4e2a\u6027\u5316\u3002<\/li>\n<li>\u5bf9\u767b\u5f55\u6001\u3001\u8d2d\u7269\u8f66\u7b49\u505a\u5dee\u5f02\u5316 Cookie\/Token \u7b56\u7565\uff0c\u907f\u514d\u7f13\u5b58\u6c61\u67d3\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u672c\u5730\u673a\u623f\u4e0e\u5168\u7403CDN<\/h2>\n<p>\u5f53\u9009\u62e9\u90e8\u7f72\u5728\u9999\u6e2f\u670d\u52a1\u5668\u3001\u9999\u6e2fVPS \u6216\u8005\u9009\u62e9\u7f8e\u56fdVPS\u3001\u6d77\u5916\u670d\u52a1\u5668\u7b49\u65f6\uff0c\u5e94\u6743\u8861\u5982\u4e0b\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u5ef6\u8fdf\u4e0e\u7528\u6237\u5206\u5e03\uff1a<\/strong>\u82e5\u7528\u6237\u4e3b\u8981\u5728\u9999\u6e2f\u53ca\u5468\u8fb9\u56fd\u5bb6\/\u5730\u533a\uff0c\u4f9d\u8d56\u672c\u5730\u9999\u6e2f\u670d\u52a1\u5668\u914d\u5408\u4e9a\u592a\u8282\u70b9\uff08\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668\uff09\u5373\u53ef\u83b7\u5f97\u4f18\u79c0\u4f53\u9a8c\uff1b\u82e5\u7528\u6237\u5168\u7403\u5206\u5e03\uff0c\u5219\u9700\u8981\u5168\u7403 CDN \u8fb9\u7f18\u8282\u70b9\u548c Anycast DNS\u3002<\/li>\n<li><strong>\u5e26\u5bbd\u6210\u672c\u4e0e\u6d41\u91cf\u5cf0\u503c\uff1a<\/strong>\u6e90\u7ad9\u5e26\u5bbd\u6602\u8d35\u4e14\u6613\u6210\u4e3a\u74f6\u9888\uff0cCDN 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