{"id":209645,"date":"2025-10-23T19:49:37","date_gmt":"2025-10-23T11:49:37","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209645\/"},"modified":"2025-10-23T19:49:38","modified_gmt":"2025-10-23T11:49:38","slug":"cdn-75","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209645\/","title":{"rendered":"\u8ba9\u65b0\u95fb\u95e8\u6237\u79d2\u5f00\u7a33\u64ad\uff1aCDN\u6700\u4f73\u5b9e\u8df5\u4e0e\u843d\u5730\u6307\u5357"},"content":{"rendered":"<p>\u5728\u65b0\u95fb\u95e8\u6237\u3001\u5a92\u4f53\u7f51\u7ad9\u548c\u5b9e\u65f6\u8d44\u8baf\u7c7b\u5e94\u7528\u4e2d\uff0c\u9875\u9762\u7684\u201c\u79d2\u5f00\u201d\u4e0e\u201c\u7a33\u64ad\u201d\u76f4\u63a5\u5173\u7cfb\u5230\u7528\u6237\u4f53\u9a8c\u4e0e\u7559\u5b58\u3002\u76f8\u6bd4\u9759\u6001\u5185\u5bb9\uff0c\u65b0\u95fb\u95e8\u6237\u5e38\u5e38\u5305\u542b\u5927\u91cf\u56fe\u7247\u3001\u89c6\u9891\u64ad\u653e\u3001\u5b9e\u65f6\u8bc4\u8bba\u548c\u5e7f\u544a\u8d44\u6e90\uff0c\u4e14\u6d41\u91cf\u5177\u6709\u660e\u663e\u7684\u7a81\u53d1\u6027\uff08breaking news\uff09\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u7cfb\u7edf\u6027\u5730\u4ecb\u7ecd\u5982\u4f55\u901a\u8fc7 CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u5b9e\u73b0\u201c\u79d2\u5f00\u7a33\u64ad\u201d\u7684\u6700\u4f73\u5b9e\u8df5\u4e0e\u843d\u5730\u6307\u5357\uff0c\u8986\u76d6\u539f\u7406\u3001\u5173\u952e\u6280\u672f\u5b9e\u73b0\u3001\u5e94\u7528\u573a\u666f\u3001\u4f18\u52bf\u5bf9\u6bd4\u53ca\u9009\u8d2d\u5efa\u8bae\uff0c\u540c\u65f6\u7ed3\u5408\u6d77\u5916\u90e8\u7f72\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668\uff09\u4e0e VPS\u3001\u57df\u540d\u6ce8\u518c\u7b49\u8fd0\u8425\u8003\u8651\u3002<\/p>\n<h2>CDN \u57fa\u672c\u539f\u7406\u4e0e\u5bf9\u65b0\u95fb\u95e8\u6237\u7684\u6838\u5fc3\u4ef7\u503c<\/h2>\n<p>CDN \u7684\u6838\u5fc3\u662f\u5c06\u9759\u6001\u4e0e\u53ef\u7f13\u5b58\u7684\u8d44\u6e90\u5206\u53d1\u5230\u9760\u8fd1\u7528\u6237\u7684\u8fb9\u7f18\u8282\u70b9\uff08PoP\uff09\uff0c\u51cf\u5c11 RTT\u3001\u964d\u4f4e\u4e22\u5305\u5e76\u5206\u62c5\u6e90\u7ad9\u538b\u529b\u3002\u5bf9\u4e8e\u65b0\u95fb\u95e8\u6237\uff0cCDN \u7684\u4ef7\u503c\u4f53\u73b0\u5728\uff1a<\/p>\n<ul>\n<li>\u964d\u4f4e\u9996\u5b57\u8282\u65f6\u95f4\uff08TTFB\uff09\uff0c\u63d0\u9ad8\u9875\u9762\u9996\u5c4f\u52a0\u8f7d\u901f\u5ea6\uff1b<\/li>\n<li>\u901a\u8fc7\u8fb9\u7f18\u7f13\u5b58\u56fe\u7247\u3001\u89c6\u9891\u5207\u7247\u3001JS\/CSS \u548c\u5e7f\u544a\u7d20\u6750\uff0c\u51cf\u5c11\u6e90\u7ad9\u5e26\u5bbd\u4e0e\u8d1f\u8f7d\uff1b<\/li>\n<li>\u501f\u52a9\u667a\u80fd\u8def\u7531\u548c Anycast \u6280\u672f\u63d0\u5347\u7a33\u5b9a\u6027\uff0c\u5e94\u5bf9\u6d41\u91cf\u7a81\u53d1\u4e0e\u7f51\u7edc\u6296\u52a8\uff1b<\/li>\n<li>\u63d0\u4f9b\u5b89\u5168\u80fd\u529b\uff08WAF\u3001DDoS \u9632\u62a4\u3001TLS \u52a0\u901f\uff09\u4fdd\u969c\u65b0\u95fb\u53d1\u5e03\u65f6\u4e0d\u88ab\u653b\u51fb\u4e2d\u65ad\u3002<\/li>\n<\/ul>\n<h3>\u5173\u952e\u7f51\u7edc\u4e0e\u4f20\u8f93\u4f18\u5316\u6280\u672f<\/h3>\n<p>\u5b9e\u73b0\u79d2\u5f00\u5173\u952e\u5728\u4e8e\u7f29\u77ed\u591a\u6b21\u63e1\u624b\u4e0e\u6570\u636e\u4f20\u8f93\u65f6\u95f4\uff0c\u4e3b\u8981\u6280\u672f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>HTTP\/2 \u4e0e QUIC\/HTTP3<\/strong>\uff1a\u591a\u8def\u590d\u7528\u3001\u5934\u90e8\u538b\u7f29\u548c\u96f6\/\u66f4\u5c11\u63e1\u624b\uff080-RTT\uff09\u8ba9\u5c0f\u6587\u4ef6\u4e0e\u591a\u8d44\u6e90\u5e76\u53d1\u52a0\u8f7d\u66f4\u9ad8\u6548\uff1b<\/li>\n<li><strong>TLS \u52a0\u901f\u4e0e\u4f1a\u8bdd\u590d\u7528<\/strong>\uff1a\u8fb9\u7f18\u8282\u70b9\u9884\u70ed\u8bc1\u4e66\u3001\u4f1a\u8bdd\u590d\u7528\u51cf\u5c11\u63e1\u624b\u5ef6\u8fdf\uff1b<\/li>\n<li><strong>Brotli\/Gzip \u538b\u7f29\u4e0e\u56fe\u7247\/\u89c6\u9891\u81ea\u9002\u5e94\u7f16\u7801<\/strong>\uff1a\u6839\u636e UA \u5b9e\u65bd Brotli\/TEXT \u538b\u7f29\u3001WebP\/AVIF \u56fe\u7247\u3001\u4ee5\u53ca H.264\/H.265 \u6216 AV1 \u89c6\u9891\u5207\u7247\uff1b<\/li>\n<li><strong>TCP \u8c03\u4f18\u4e0e\u62e5\u585e\u63a7\u5236\uff08BBR \u7b49\uff09<\/strong>\uff1a\u8fb9\u7f18\u8fde\u63a5\u91c7\u7528\u73b0\u4ee3\u62e5\u585e\u63a7\u5236\u4ee5\u63d0\u5347\u8de8\u6d32\u4f20\u8f93\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u7ec6\u5206\u4e0e\u6280\u672f\u843d\u5730<\/h2>\n<p>\u4e0d\u540c\u573a\u666f\u9700\u8981\u4e0d\u540c\u7b56\u7565\uff1a\u70ed\u70b9\u7a81\u53d1\u65b0\u95fb\u3001\u5e38\u89c4\u6587\u7ae0\u8bbf\u95ee\u3001\u89c6\u9891\u76f4\u64ad\u4e0e\u8bc4\u8bba\u5b9e\u65f6\u66f4\u65b0\u3002<\/p>\n<h3>\u70ed\u70b9\u7a81\u53d1\u65b0\u95fb<\/h3>\n<p>\u70ed\u70b9\u4e8b\u4ef6\u4f1a\u5728\u77ed\u65f6\u95f4\u5185\u5f15\u53d1\u5de8\u91cf\u8bf7\u6c42\u3002\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u542f\u7528 <strong>\u7f13\u5b58\u9884\u70ed\uff08prefetch\/push\uff09<\/strong>\uff1a\u53d1\u5e03\u65b0\u95fb\u540e\u4e3b\u52a8\u5411\u8fb9\u7f18\u8282\u70b9\u4e0b\u53d1\u5173\u952e\u8d44\u6e90\uff1b<\/li>\n<li>\u914d\u7f6e <strong>origin shield<\/strong> \u6216\u4e2d\u7ee7\u8282\u70b9\uff0c\u51cf\u5c11\u6e90\u7ad9\u5e76\u53d1\u8fde\u63a5\uff1b<\/li>\n<li>\u4f7f\u7528 <strong>Stale-While-Revalidate \/ Stale-If-Error<\/strong> \u7b56\u7565\u4fdd\u8bc1\u5728\u6e90\u7ad9\u77ed\u6682\u4e0d\u53ef\u7528\u65f6\u4ecd\u7136\u4e3a\u7528\u6237\u63d0\u4f9b\u7f13\u5b58\u5185\u5bb9\uff1b<\/li>\n<li>\u7ed3\u5408 <strong>\u591a CDN + DNS\/HTTP \u7ea7\u522b\u6d41\u91cf\u5207\u6362<\/strong> \u5b9e\u73b0\u7a81\u53d1\u6d41\u91cf\u7684\u5f39\u6027\u6269\u5bb9\u4e0e\u6545\u969c\u5207\u6362\u3002<\/li>\n<\/ul>\n<h3>\u89c6\u9891\u70b9\u64ad\u4e0e\u6d41\u5a92\u4f53<\/h3>\n<p>\u89c6\u9891\u662f\u65b0\u95fb\u95e8\u6237\u6700\u6d88\u8017\u5e26\u5bbd\u7684\u90e8\u5206\u3002\u843d\u5730\u8981\u70b9\uff1a<\/p>\n<ul>\n<li>\u91c7\u7528 <strong>\u5206\u6bb5\/\u5207\u7247\uff08HLS\/DASH\uff09+ \u591a\u7801\u7387\u81ea\u9002\u5e94<\/strong>\uff0c\u8fb9\u7f18\u7f13\u5b58\u5404\u7801\u7387\u5207\u7247\uff1b<\/li>\n<li>\u5728 PoP \u7aef\u542f\u7528 <strong>\u89c6\u9891\u52a0\u901f\u4e0e\u8fd1\u6e90\u7f13\u5b58<\/strong>\uff0c\u51cf\u5c11\u56de\u6e90\u9891\u6b21\uff1b<\/li>\n<li>\u4f7f\u7528 <strong>CDN \u4e0a\u7684\u7b7e\u540d URL \u6216 token<\/strong> \u505a\u8bbf\u95ee\u63a7\u5236\u548c\u9632\u76d7\u94fe\uff1b<\/li>\n<li>\u652f\u6301 <strong>\u8fb9\u7f18\u4fa7 ABR \u51b3\u7b56<\/strong>\uff0c\u7ed3\u5408 CDN \u6d41\u91cf\u6d1e\u5bdf\u63d0\u9ad8\u64ad\u653e\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h3>\u5b9e\u65f6\u8bc4\u8bba\u4e0e\u4ea4\u4e92\u5185\u5bb9<\/h3>\n<p>\u8bc4\u8bba\u3001\u5f39\u5e55\u548c\u5b9e\u65f6\u4e92\u52a8\u901a\u5e38\u4e0d\u80fd\u88ab\u957f\u65f6\u95f4\u7f13\u5b58\uff0c\u5e38\u7528\u65b9\u6848\uff1a<\/p>\n<ul>\n<li>\u5c06\u5b9e\u65f6\u6570\u636e\u8d70\u4e13\u7528\u901a\u9053\uff08WebSocket\u3001MQTT \u6216 HTTP\/2 push\uff09\uff0c\u5e76\u5728\u8fb9\u7f18\u653e\u7f6e\u8f7b\u91cf\u5316\u4ee3\u7406\u4ee5\u964d\u4f4e\u5ef6\u8fdf\uff1b<\/li>\n<li>\u5bf9\u975e\u5173\u952e\u5b9e\u65f6\u6570\u636e\u4f7f\u7528\u77ed\u65f6\u7f13\u5b58\uff08\u4f8b\u5982 1-5 \u79d2\uff09\u548c\u8fb9\u7f18\u5408\u5e76\u7b56\u7565\uff0c\u51cf\u5c11\u6e90\u7ad9\u5199\u5165\u538b\u529b\uff1b<\/li>\n<li>\u7ed3\u5408\u6d88\u606f\u961f\u5217\uff08Kafka\/Redis Streams\uff09\u4e0e\u8fb9\u7f18\u6d41\u5904\u7406\uff0c\u63d0\u5347\u541e\u5410\u4e0e\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<h2>\u7f13\u5b58\u7b56\u7565\u4e0e\u7ec6\u8282\u5b9e\u73b0<\/h2>\n<p>\u5408\u7406\u7684\u7f13\u5b58\u7b56\u7565\u76f4\u63a5\u51b3\u5b9a\u201c\u79d2\u5f00\u201d\u7684\u5b9e\u9645\u6548\u679c\u3002<\/p>\n<h3>Cache-Control \u4e0e\u53d8\u4f53\u7ba1\u7406<\/h3>\n<ul>\n<li>\u4e3a\u9759\u6001\u8d44\u6e90\u8bbe\u7f6e\u8f83\u957f\u7684 max-age \u5e76\u7ed3\u5408\u7248\u672c\u5316\u6587\u4ef6\u540d\uff08cache-busting\uff09\uff1b<\/li>\n<li>\u5bf9\u5e38\u53d8\u52a8\u7684\u9996\u9875\u6216\u5934\u6761\u4f7f\u7528\u77ed\u7f13\u5b58\u5e76\u542f\u7528 <strong>stale-while-revalidate<\/strong>\uff0c\u8ba9\u7528\u6237\u770b\u5230\u65e7\u7248\u540c\u65f6\u8fb9\u7f18\u540e\u53f0\u62c9\u53d6\u6700\u65b0\uff1b<\/li>\n<li>\u901a\u8fc7 <strong>Cache Key \u5b9a\u5236<\/strong>\uff08\u5254\u9664\u65e0\u5173\u7684\u67e5\u8be2\u53c2\u6570\u3001\u6309 UA\/\u5730\u57df\u5206\u7247\uff09\u907f\u514d\u7f13\u5b58\u788e\u7247\u5316\u3002<\/li>\n<\/ul>\n<h3>\u8bf7\u6c42\u53bb\u91cd\u4e0e\u56de\u6e90\u4f18\u5316<\/h3>\n<p>\u5f53\u5927\u91cf\u8bf7\u6c42\u540c\u65f6\u56de\u6e90\u65f6\uff0c\u5e94\u4f7f\u7528\u8bf7\u6c42\u53bb\u91cd\uff08request collapsing\uff09\u4e0e\u6392\u961f\u7b56\u7565\uff0c\u907f\u514d\u6e90\u7ad9\u88ab\u51fb\u7a7f\u3002\u4f7f\u7528 <strong>Origin Shield\/Co-located Pull Zones<\/strong> \u5728\u4e2d\u5c42\u8282\u70b9\u7f13\u5b58\u5e76\u6c47\u603b\u56de\u6e90\u6d41\u91cf\u3002<\/p>\n<h2>\u5b89\u5168\u3001\u76d1\u63a7\u4e0e\u8fd0\u7ef4\u7ec6\u8282<\/h2>\n<p>\u4e3a\u4fdd\u969c\u65b0\u95fb\u95e8\u6237\u5728\u9ad8\u5e76\u53d1\u4e0b\u6301\u7eed\u53ef\u7528\uff0c\u9700\u8981\u5b8c\u5584\u5b89\u5168\u4e0e\u76d1\u63a7\u4f53\u7cfb\u3002<\/p>\n<ul>\n<li><strong>\u8fb9\u7f18 WAF \u4e0e\u901f\u7387\u9650\u5236<\/strong>\uff1a\u9632\u6b62\u722c\u866b\u4e0e\u6076\u610f\u6d41\u91cf\u6253\u65ad\u6b63\u5e38\u8bbf\u95ee\uff1b<\/li>\n<li><strong>DDoS \u9632\u62a4<\/strong>\uff1a\u7ed3\u5408 CDN \u7684 Anycast \u7f51\u7edc\u5206\u6563\u653b\u51fb\u6d41\u91cf\uff1b<\/li>\n<li><strong>\u65e5\u5fd7\u4e0e\u6307\u6807\uff08Access Log\u3001Edge Metrics\uff09<\/strong>\uff1a\u8bb0\u5f55\u8fb9\u7f18\u547d\u4e2d\u7387\u3001\u56de\u6e90\u6bd4\u4f8b\u300195\/99% \u54cd\u5e94\u65f6\u5ef6\uff0c\u914d\u5408 Prometheus\/Grafana \u5448\u73b0\uff1b<\/li>\n<li><strong>\u5408\u7ea6\u5316 SLO\/\u62a5\u8b66<\/strong>\uff1a\u8bbe\u7f6e\u8fb9\u7f18\u53ef\u7528\u7387\u3001\u64ad\u653e\u6210\u529f\u7387\u7b49 SLO\uff0c\u5e76\u914d\u7f6e\u81ea\u52a8\u5316\u544a\u8b66\u4e0e\u56de\u6eda\u7b56\u7565\uff1b<\/li>\n<li><strong>\u81ea\u52a8\u5316\u6e05\u7406\u4e0e\u5feb\u901f\u5931\u6548<\/strong>\uff1a\u652f\u6301\u6309 URL\/\u6807\u7b7e\/\u76ee\u5f55\u7684\u6279\u91cf purge\uff0c\u5e76\u517c\u5bb9 API \u8c03\u7528\u5b9e\u73b0 CI\/CD \u96c6\u6210\u3002<\/li>\n<\/ul>\n<h2>\u591a\u5730\u57df\u4e0e\u591a\u8fd0\u8425\u5546\u90e8\u7f72\u8003\u8651<\/h2>\n<p>\u65b0\u95fb\u95e8\u6237\u5f80\u5f80\u9762\u5bf9\u56fd\u9645\u7528\u6237\uff0c\u9009\u62e9 PoP \u8986\u76d6\u548c\u6e90\u7ad9\u4f4d\u7f6e\u662f\u5173\u952e\u3002<\/p>\n<ul>\n<li>\u5728\u4e9a\u592a\u91cd\u70b9\u5e03\u70b9\uff08\u4f8b\u5982\u9999\u6e2f\u3001\u4e1c\u4eac\u3001\u65b0\u52a0\u5761\u3001\u9996\u5c14\uff09\u53ef\u663e\u8457\u964d\u4f4e\u533a\u57df\u5ef6\u8fdf\uff1b<\/li>\n<li>\u5bf9\u4e8e\u5317\u7f8e\u6d41\u91cf\uff0c\u5efa\u8bae\u5728\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u7f8e\u56fd VPS \u914d\u7f6e\u5907\u7528\u6e90\u7ad9\u6216\u7f13\u5b58\u5c42\uff1b<\/li>\n<li>\u6839\u636e\u6d41\u91cf\u6765\u6e90\u9009\u62e9\u6700\u4f18 POP\uff0c\u5e76\u901a\u8fc7\u5730\u7406\u8c03\u5ea6\u6216 Anycast \u5b9e\u73b0\u7528\u6237\u5c31\u8fd1\u547d\u4e2d\uff1b<\/li>\n<li>\u82e5\u6709\u81ea\u5efa\u673a\u623f\u6216\u6d77\u5916\u670d\u52a1\u5668\uff08\u9999\u6e2f\u670d\u52a1\u5668\u3001\u6d77\u5916\u670d\u52a1\u5668\uff09\u4f5c\u4e3a\u6e90\u7ad9\uff0c\u5efa\u8bae\u8bbe\u7f6e\u591a\u4e2a\u6e90\u7ad9\u5e76\u7528\u8d1f\u8f7d\u5747\u8861\u4e0e\u5065\u5eb7\u68c0\u67e5\u5b9e\u73b0\u9ad8\u53ef\u7528\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\u4e0e\u9009\u578b\u5efa\u8bae<\/h2>\n<p>\u5728\u9009\u578b CDN \u4e0e\u57fa\u7840\u8bbe\u65bd\u65f6\uff0c\u9700\u8981\u5728\u6027\u80fd\u3001\u8986\u76d6\u3001\u5b89\u5168\u3001\u6210\u672c\u4e0e\u53ef\u63a7\u6027\u4e4b\u95f4\u6743\u8861\uff1a<\/p>\n<h3>\u5546\u4e1a CDN vs \u81ea\u5efa\u8fb9\u7f18<\/h3>\n<ul>\n<li>\u5546\u4e1a CDN\uff08\u5982\u5168\u7403\u6216\u4e9a\u592a\u5927\u5382\uff09\u63d0\u4f9b\u5e7f\u6cdb PoP\u3001\u5b8c\u5584\u5b89\u5168\u4e0e\u6d41\u91cf\u6e05\u6d17\u80fd\u529b\uff0c\u9002\u5408\u5feb\u901f\u4e0a\u7ebf\u4e0e\u5cf0\u503c\u4fdd\u969c\uff1b<\/li>\n<li>\u81ea\u5efa\u8fb9\u7f18\u3001\u66f4\u63a5\u8fd1\u6e90\u7ad9\u7684\u65b9\u6848\uff08\u5728\u9999\u6e2f\u670d\u52a1\u5668\u6216\u65e5\u672c\u670d\u52a1\u5668\u7b49\u5730\u90e8\u7f72\u7f13\u5b58\u5c42\uff09\u5728\u53ef\u63a7\u6027\u548c\u5408\u89c4\u4e0a\u66f4\u6709\u4f18\u52bf\uff0c\u4f46\u5efa\u8bbe\u4e0e\u8fd0\u7ef4\u6210\u672c\u9ad8\uff1b<\/li>\n<\/ul>\n<h3>\u5355 CDN vs \u591a CDN<\/h3>\n<ul>\n<li>\u5355\u4e00 CDN \u90e8\u7f72\u8fd0\u7ef4\u7b80\u5355\uff0c\u4f46\u5b58\u5728\u4f9b\u5e94\u5546\u6545\u969c\u7684\u98ce\u9669\uff1b<\/li>\n<li>\u591a CDN\uff08\u57fa\u4e8e GEO\/\u6027\u80fd\u5206\u6d41\uff09\u80fd\u663e\u8457\u63d0\u5347\u53ef\u7528\u6027\u4e0e\u6027\u80fd\uff0c\u4f46\u8981\u89e3\u51b3\u6210\u672c\u4e0e\u6d41\u91cf\u5206\u914d\u3001\u65e5\u5fd7\u7edf\u4e00\u7b49\u590d\u6742\u6027\u3002<\/li>\n<\/ul>\n<h3>\u7ed3\u5408 VPS\/\u670d\u52a1\u5668 \u4e0e\u57df\u540d\u7b56\u7565<\/h3>\n<ul>\n<li>\u82e5\u9700\u8981\u81ea\u5efa\u90e8\u5206\u80fd\u529b\uff0c\u53ef\u5728\u9999\u6e2f VPS \u6216\u7f8e\u56fd VPS \u4e0a\u90e8\u7f72\u4e2d\u7ee7\u8282\u70b9\u6216\u53cd\u5411\u4ee3\u7406\uff08Nginx\/Envoy\uff09\uff0c\u5e76\u901a\u8fc7\u57df\u540d\u6ce8\u518c\u4e0e DNS \u89e3\u6790\u7b56\u7565\uff08GeoDNS\u3001TTL \u8c03\u6574\uff09\u5b9e\u73b0\u667a\u80fd\u8c03\u5ea6\uff1b<\/li>\n<li>\u57df\u540d\u6ce8\u518c\u65f6\u6ce8\u610f WHOIS \u9690\u79c1\u4e0e DNSSEC \u652f\u6301\uff0c\u51cf\u5c11\u88ab\u52ab\u6301\u98ce\u9669\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u73b0\u6b65\u9aa4\u4e0e\u843d\u5730\u884c\u52a8\u6e05\u5355<\/h2>\n<p>\u4e3a\u4fbf\u4e8e\u843d\u5730\uff0c\u7ed9\u51fa\u4e00\u4e2a\u53ef\u6267\u884c\u7684\u5206\u6b65\u6e05\u5355\uff1a<\/p>\n<ul>\n<li>\u8bc4\u4f30\u6d41\u91cf\u4e0e\u8bbf\u95ee\u5206\u5e03\uff0c\u9009\u62e9\u8986\u76d6\u5173\u952e\u533a\u57df\u7684 CDN \u670d\u52a1\u5546\u4e0e PoP\uff08\u4f18\u5148\u8003\u8651\u9999\u6e2f\u3001\u4e1c\u4eac\u3001\u65b0\u52a0\u5761\u3001\u7f8e\u56fd\u7b49\u8282\u70b9\uff09\uff1b<\/li>\n<li>\u914d\u7f6e\u8fb9\u7f18\u7f13\u5b58\u7b56\u7565\u3001Cache Key \u4e0e\u538b\u7f29\/\u56fe\u7247\u4f18\u5316\u89c4\u5219\uff0c\u5b9e\u65bd\u7248\u672c\u5316\u8d44\u6e90\u7ba1\u7406\uff1b<\/li>\n<li>\u542f\u7528 HTTP\/2 \u6216 HTTP\/3\u3001TLS \u4f1a\u8bdd\u590d\u7528\u4e0e Brotli \u538b\u7f29\uff1b<\/li>\n<li>\u5728\u6e90\u7ad9\u914d\u7f6e Origin Shield \u6216\u4e2d\u7ee7\u5c42\uff0c\u5e76\u8c03\u4f18 Nginx\/Cache \u8fde\u63a5\u6c60\uff1b<\/li>\n<li>\u5efa\u7acb\u76d1\u63a7\u9762\u677f\u3001\u65e5\u5fd7\u91c7\u96c6\u4e0e\u62a5\u8b66\uff0c\u6a21\u62df\u7a81\u53d1\u573a\u666f\u8fdb\u884c\u538b\u6d4b\uff1b<\/li>\n<li>\u5b9e\u73b0\u81ea\u52a8\u5316 purge\u3001CI\/CD \u96c6\u6210\u4e0e\u591a CDN \u6d41\u91cf\u5207\u6362\u6d4b\u8bd5\uff1b<\/li>\n<li>\u51c6\u5907\u5907\u7528\u6e90\u7ad9\uff08\u53ef\u90e8\u7f72\u5728\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u4e0e\u6545\u969c\u5207\u6362\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u8981\u8ba9\u65b0\u95fb\u95e8\u6237\u5b9e\u73b0\u201c\u79d2\u5f00\u7a33\u64ad\u201d\uff0c\u5fc5\u987b\u5728\u7f51\u7edc\u4f20\u8f93\u3001\u8fb9\u7f18\u7f13\u5b58\u3001\u6d41\u5a92\u4f53\u5207\u7247\u3001\u5b9e\u65f6\u4ea4\u4e92\u4e0e\u5b89\u5168\u9632\u62a4\u4e0a\u505a\u7cfb\u7edf\u6027\u4f18\u5316\u3002\u901a\u8fc7\u5408\u7406\u7684\u7f13\u5b58\u7b56\u7565\uff08\u5982 stale-while-revalidate\uff09\u3001\u73b0\u4ee3\u4f20\u8f93\u534f\u8bae\uff08HTTP\/2\/3\uff09\u3001\u8fb9\u7f18\u8ba1\u7b97\u4e0e\u591a\u5730\u57df\u90e8\u7f72\uff08\u8986\u76d6\u9999\u6e2f\u3001\u4e1c\u4eac\u3001\u65b0\u52a0\u5761\u3001\u9996\u5c14\u3001\u7f8e\u56fd\u7b49 PoP\uff09\uff0c\u53ef\u4ee5\u5728\u4fdd\u8bc1\u7528\u6237\u4f53\u9a8c\u7684\u540c\u65f6\uff0c\u663e\u8457\u964d\u4f4e\u6e90\u7ad9\u538b\u529b\u5e76\u63d0\u9ad8\u6297\u6253\u51fb\u80fd\u529b\u3002\u5bf9\u4e8e\u5e0c\u671b\u5e73\u8861\u6210\u672c\u4e0e\u6027\u80fd\u7684\u7ad9\u70b9\uff0c\u7ed3\u5408\u5546\u4e1a CDN \u7684\u8986\u76d6\u80fd\u529b\u4e0e\u5728\u5173\u952e\u4f4d\u7f6e\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u9999\u6e2f VPS\/\u7f8e\u56fd VPS\uff09\u90e8\u7f72\u4e2d\u7ee7\u8282\u70b9\uff0c\u662f\u4e00\u6761\u52a1\u5b9e\u7684\u8def\u7ebf\u3002<\/p>\n<p>\u5982\u679c\u9700\u8981\u8fdb\u4e00\u6b65\u90e8\u7f72\u5efa\u8bae\u6216\u670d\u52a1\u5668\u9009\u578b\u53c2\u8003\uff0c\u53ef\u67e5\u770b Server.HK \u7684\u76f8\u5173\u670d\u52a1\u5668\u4ea7\u54c1\u9875\u9762\u8fdb\u884c\u5177\u4f53\u5bf9\u6bd4\u548c\u6d4b\u8bd5\uff1a<a href=\"https:\/\/server.hk\/server.php\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u3002\u540c\u65f6\uff0c\u82e5\u9700\u4e86\u89e3\u66f4\u591a\u6d77\u5916\u670d\u52a1\u5668\u4e0e VPS \u9009\u9879\uff08\u5305\u62ec\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668 \u7b49\uff09\uff0c\u4e5f\u53ef\u5728 Server.HK \u4e0a\u83b7\u53d6\u8be6\u7ec6\u4fe1\u606f\u4e0e\u5b9a\u5236\u5316\u5efa\u8bae\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65b0\u95fb\u95e8\u6237\u8981\u5b9e\u73b0\u79d2\u5f00\u7a33\u64ad\u5e76\u4e0d\u53ea\u662f\u7406\u60f3\uff0c\u800c\u662f\u53ef\u4ee5\u901a\u8fc7\u5de5\u7a0b\u5316\u624b\u6bb5\u8fbe\u6210\u3002\u672c\u6587\u7528\u6613\u61c2\u7684\u843d\u5730\u7b56\u7565\u548c CDN\u6700\u4f73\u5b9e\u8df5\uff0c\u5e2e\u4f60\u628a\u56fe\u7247\u3001\u89c6\u9891\u548c\u7a81\u53d1\u6d41\u91cf\u90fd\u4ea4\u7ed9\u8fb9\u7f18\u8282\u70b9\u7a33\u7a33\u627f\u8f7d\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4928],"tags":[3236,3239,3237,3243,3238,3242,3241,3240],"class_list":["post-209645","post","type-post","status-publish","format-standard","hentry","category-4928","tag-cdn","tag-3239","tag-3237","tag-3243","tag-3238","tag-3242","tag-3241","tag-3240"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=209645"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209645\/revisions"}],"predecessor-version":[{"id":209646,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209645\/revisions\/209646"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=209645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=209645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=209645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}