{"id":209917,"date":"2025-10-24T01:12:51","date_gmt":"2025-10-23T17:12:51","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209917\/"},"modified":"2025-10-24T01:12:51","modified_gmt":"2025-10-23T17:12:51","slug":"cdn-192","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209917\/","title":{"rendered":"CDN\u6027\u80fd\u76d1\u63a7\u4e0e\u4f18\u5316\uff1a\u89e3\u9501\u7f51\u7ad9\u6781\u901f\u4f53\u9a8c"},"content":{"rendered":"<p>\u5728\u5168\u7403\u5316\u4e0e\u79fb\u52a8\u5316\u63a8\u52a8\u4e0b\uff0c\u7f51\u7ad9\u548c\u5e94\u7528\u5bf9\u6027\u80fd\u7684\u8981\u6c42\u4e0d\u65ad\u63d0\u9ad8\u3002\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff08CDN\uff09\u6210\u4e3a\u63d0\u9ad8\u7ec8\u7aef\u7528\u6237\u4f53\u9a8c\u3001\u964d\u4f4e\u5ef6\u8fdf\u548c\u51cf\u8f7b\u6e90\u7ad9\u8d1f\u8f7d\u7684\u5173\u952e\u6280\u672f\u3002\u672c\u6587\u5c06\u4ece\u539f\u7406\u3001\u76d1\u63a7\u65b9\u6cd5\u3001\u5e38\u89c1\u6027\u80fd\u6307\u6807\u4e0e\u4f18\u5316\u5b9e\u64cd\u89d2\u5ea6\uff0c\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u901a\u8fc7CDN\u6027\u80fd\u76d1\u63a7\u4e0e\u4f18\u5316\u89e3\u9501\u7f51\u7ad9\u6781\u901f\u4f53\u9a8c\uff0c\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u7ed9\u51fa\u53ef\u843d\u5730\u7684\u5efa\u8bae\u4e0e\u5de5\u5177\u94fe\u3002<\/p>\n<h2>CDN 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GSLB\uff08\u5168\u5c40\u8d1f\u8f7d\u5747\u8861\uff09\u5b9e\u73b0\u8de8\u533a\u57df\u6d41\u91cf\u5206\u914d\u3002<\/li>\n<li>\u534f\u8bae\u4f18\u5316\uff1a\u652f\u6301 HTTP\/2\u3001HTTP\/3\uff08QUIC\uff09\u4e0e TLS \u4f1a\u8bdd\u590d\u7528\uff0c\u51cf\u5c11\u63e1\u624b\u4e0e\u961f\u5934\u963b\u585e\u3002<\/li>\n<li>\u6e90\u7ad9\u56de\u6e90\u7b56\u7565\uff1aOrigin Shield\u3001\u56de\u6e90\u9650\u6d41\u4e0e\u56de\u6e90\u5408\u5e76\uff08coalescing\uff09\u907f\u514d\u6e90\u7ad9\u88ab\u77ac\u65f6\u6d41\u91cf\u51b2\u57ae\u3002<\/li>\n<li>\u8fb9\u7f18\u8ba1\u7b97\uff1a\u901a\u8fc7 Edge Workers \/ Functions \u5728\u8fb9\u7f18\u8fdb\u884c\u54cd\u5e94\u7ec4\u88c5\u6216\u5c0f\u8303\u56f4\u7684\u52a8\u6001\u8ba1\u7b97\uff0c\u964d\u4f4e\u56de\u6e90\u9891\u7387\u3002<\/li>\n<\/ul>\n<h2>\u4e3a\u4f55\u9700\u8981\u6301\u7eed\u7684 CDN \u6027\u80fd\u76d1\u63a7\uff1f<\/h2>\n<p>\u5355\u9760\u90e8\u7f72 CDN \u5e76\u4e0d\u80fd\u4fdd\u8bc1\u4f53\u9a8c\u6700\u4f18\u3002\u4e1a\u52a1\u6d41\u91cf\u3001\u7f13\u5b58\u7b56\u7565\u3001\u7528\u6237\u5206\u5e03\u3001\u533a\u57df\u7f51\u7edc\u72b6\u51b5\u4ee5\u53ca DNS \u89e3\u6790\u90fd\u4f1a\u5f71\u54cd\u6700\u7ec8\u4f53\u9a8c\u3002\u56e0\u6b64\u6301\u7eed\u76d1\u63a7\u662f\u4fdd\u969c\u6027\u80fd\u7684\u524d\u63d0\uff0c\u76ee\u6807\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u53ca\u65f6\u53d1\u73b0\u5168\u7403\/\u533a\u57df\u6027\u95ee\u9898\uff08\u5982\u67d0\u4e00\u56fd\u5bb6\u7684\u8282\u70b9\u8fde\u901a\u6027\u4e0b\u964d\uff09\u3002<\/li>\n<li>\u9a8c\u8bc1\u7f13\u5b58\u7b56\u7565\u7684\u5b9e\u9645\u6548\u679c\uff08\u547d\u4e2d\u7387\u3001\u56de\u6e90\u7387\uff09\u3002<\/li>\n<li>\u8bc4\u4f30\u534f\u8bae\u5347\u7ea7\u6548\u679c\uff08\u5982 HTTP\/3 \u5728\u79fb\u52a8\u7f51\u7edc\u7684\u5ef6\u8fdf\u6539\u5584\uff09\u3002<\/li>\n<li>\u91cf\u5316\u4f18\u5316\u6536\u76ca\uff08\u4f8b\u5982\u542f\u7528 Brotli \u540e\u9875\u9762\u5927\u5c0f\u3001TTFB \u7684\u53d8\u5316\uff09\u3002<\/li>\n<\/ul>\n<h3>\u5173\u952e\u6027\u80fd\u6307\u6807\uff08KPI\uff09<\/h3>\n<p>\u5e38\u7528\u4e14\u5e94\u88ab\u6301\u7eed\u5173\u6ce8\u7684 KPI \u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>TTFB\uff08Time To First Byte\uff09<\/strong>\uff1a\u8861\u91cf\u4ece\u53d1\u51fa\u8bf7\u6c42\u5230\u63a5\u6536\u5230\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u65f6\u95f4\uff0c\u76f4\u63a5\u53cd\u6620 DNS\u3001TLS \u4e0e\u8fb9\u7f18\u54cd\u5e94\u6027\u80fd\u3002<\/li>\n<li><strong>DNS \u89e3\u6790\u65f6\u95f4<\/strong>\uff1a\u5f71\u54cd\u603b\u4f53\u5ef6\u8fdf\uff0c\u5c24\u5176\u5728\u8de8\u56fd\u8bbf\u95ee\u65f6\u66f4\u663e\u8457\u3002<\/li>\n<li><strong>\u8fde\u63a5\u4e0e\u63e1\u624b\u65f6\u95f4\uff08TCP\/TLS\uff09<\/strong>\uff1aHTTP\/2\u3001HTTP\/3 \u7684\u5dee\u5f02\u4f1a\u4f53\u73b0\u5728\u8fd9\u91cc\u3002<\/li>\n<li><strong>\u7f13\u5b58\u547d\u4e2d\u7387\uff08Cache Hit Ratio\uff09<\/strong>\uff1a\u5f71\u54cd\u56de\u6e90\u6d41\u91cf\u4e0e\u6e90\u7ad9\u8d1f\u8f7d\u3002<\/li>\n<li><strong>P95 \/ P99 \u54cd\u5e94\u65f6\u95f4<\/strong>\uff1a\u5173\u6ce8\u5c3e\u90e8\u5ef6\u8fdf\uff0c\u907f\u514d\u5c11\u6570\u6162\u8bf7\u6c42\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n<li><strong>\u5e26\u5bbd\u4e0e\u541e\u5410\uff08Bytes\/sec\uff09<\/strong>\uff1a\u8bc4\u4f30 CDN \u5728\u9ad8\u5e76\u53d1\u4e0b\u7684\u627f\u8f7d\u80fd\u529b\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u6218\u76d1\u63a7\u65b9\u6cd5\u4e0e\u5de5\u5177\u94fe<\/h2>\n<p>\u4e00\u4e2a\u5065\u58ee\u7684\u76d1\u63a7\u4f53\u7cfb\u5e94\u7ed3\u5408\u5408\u6210\u6d4b\u8bd5\u4e0e\u88ab\u52a8\u76d1\u6d4b\uff1a<\/p>\n<h3>\u5408\u6210\u76d1\u6d4b\uff08Synthetic Monitoring\uff09<\/h3>\n<p>\u901a\u8fc7\u4ece\u5168\u7403\u6216\u76ee\u6807\u5e02\u573a\u7684\u591a\u4e2a\u8282\u70b9\u5b9a\u671f\u53d1\u8d77\u8bf7\u6c42\uff0c\u6a21\u62df\u771f\u5b9e\u7528\u6237\u8bbf\u95ee\u8def\u5f84\u3002\u5e38\u7528\u5de5\u5177\uff1a<\/p>\n<ul>\n<li>WebPageTest\uff1a\u9875\u9762\u6e32\u67d3\u3001\u9996\u5c4f\u6e32\u67d3\u3001\u8d44\u6e90\u52a0\u8f7d\u987a\u5e8f\u548c filmstrip\u3002\u652f\u6301\u591a\u5730\u533a\u6d4b\u8bd5\uff08\u4f8b\u5982\u9999\u6e2f\u3001\u65e5\u672c\u3001\u65b0\u52a0\u5761\u8282\u70b9\uff09\u3002<\/li>\n<li>Lighthouse\uff1a\u7528\u4e8e\u6027\u80fd\u6253\u5206\u4e0e\u4f18\u5316\u5efa\u8bae\uff0c\u4fa7\u91cd\u524d\u7aef\u8d44\u6e90\u4f18\u5316\u3002<\/li>\n<li>\u81ea\u5efa\u811a\u672c + curl\/traceroute\/mtr\uff1a\u7528\u4e8e\u91c7\u96c6 TTFB\u3001DNS \u65f6\u5ef6\u3001\u8def\u7531\u8df3\u70b9\u3002<\/li>\n<\/ul>\n<p>\u5408\u6210\u6d4b\u8bd5\u9002\u5408\u68c0\u6d4b\u8de8\u5730\u533a\u5dee\u5f02\uff08\u4f8b\u5982\u4ece\u9999\u6e2f\u8bbf\u95ee\u4e0e\u4ece\u7f8e\u56fd\u8bbf\u95ee\u7684\u5dee\u5f02\uff09\uff0c\u5bf9\u8ba1\u5212\u8fc1\u79fb\u5230\u9999\u6e2f\u670d\u52a1\u5668\u6216\u90e8\u7f72\u4e9a\u6d32\u52a0\u901f\u7b56\u7565\u65f6\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n<h3>\u88ab\u52a8\u76d1\u6d4b\uff08Real User Monitoring, RUM\uff09<\/h3>\n<p>\u901a\u8fc7\u524d\u7aef\u57cb\u70b9\u6216\u8fb9\u7f18\u65e5\u5fd7\u6536\u96c6\u771f\u5b9e\u7528\u6237\u7684\u6027\u80fd\u6570\u636e\uff08\u6d4f\u89c8\u5668\u7aef\u6216\u79fb\u52a8\u7aef\uff09\uff0c\u5173\u952e\u70b9\uff1a<\/p>\n<ul>\n<li>\u91c7\u96c6\u8d44\u6e90\u52a0\u8f7d\u65f6\u95f4\uff08DNS\u3001Connect\u3001TLS\u3001Request\u3001Response\u3001DOM load \u7b49\u5206\u6bb5\u6307\u6807\uff09\u3002<\/li>\n<li>\u6309\u5730\u57df\u3001\u7f51\u7edc\u7c7b\u578b\uff08WiFi\/4G\/5G\uff09\u3001ISP\u3001\u8bbe\u5907\u578b\u53f7\u805a\u5408\u5206\u6790\uff0c\u627e\u51fa\u7279\u5b9a\u4eba\u7fa4\u7684\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<li>\u7ed3\u5408 CDN \u8fb9\u7f18\u65e5\u5fd7\uff08Edge Logs\uff09\u4e0e\u6e90\u7ad9\u65e5\u5fd7\u8fdb\u884c\u94fe\u8def\u8ffd\u8e2a\uff0c\u5b9a\u4f4d\u56de\u6e90\u6216\u7f13\u5b58\u95ee\u9898\u3002<\/li>\n<\/ul>\n<h3>\u540e\u7aef\u4e0e\u62a5\u8b66\u96c6\u6210<\/h3>\n<p>\u76d1\u63a7\u6570\u636e\u5e94\u8fdb\u5165\u96c6\u4e2d\u5e73\u53f0\u4ee5\u4fbf\u544a\u8b66\u4e0e\u957f\u671f\u5206\u6790\u3002\u63a8\u8350\u65b9\u6848\uff1a<\/p>\n<ul>\n<li>Prometheus + Grafana\uff1a\u91c7\u96c6\u8fb9\u7f18\u4e0e\u6e90\u7ad9\u7684\u6307\u6807\uff0c\u5efa\u7acb\u4eea\u8868\u76d8\u4e0e P95\/P99 \u62a5\u8868\u3002<\/li>\n<li>ELK\/Opensearch\uff1a\u5b58\u50a8\u8fb9\u7f18\u8bbf\u95ee\u65e5\u5fd7\uff0c\u4fbf\u4e8e\u6784\u5efa\u67e5\u8be2\u4e0e\u6545\u969c\u6392\u67e5\u6d41\u7a0b\u3002<\/li>\n<li>\u62a5\u8b66\uff1a\u8bbe\u7f6e\u57fa\u4e8e SLO \u7684\u544a\u8b66\uff08\u5982 99% \u54cd\u5e94\u65f6\u95f4\u4f4e\u4e8e 500ms\u3001\u7f13\u5b58\u547d\u4e2d\u7387\u4f4e\u4e8e\u9608\u503c\uff09\u3002<\/li>\n<\/ul>\n<h2>\u5e38\u89c1\u6027\u80fd\u95ee\u9898\u4e0e\u9010\u9879\u4f18\u5316\u7b56\u7565<\/h2>\n<p>\u4e0b\u9762\u6309\u95ee\u9898\u7c7b\u578b\u7ed9\u51fa\u5177\u4f53\u8bca\u65ad\u6b65\u9aa4\u4e0e\u4f18\u5316\u5efa\u8bae\uff1a<\/p>\n<h3>1. \u9ad8\u5ef6\u8fdf \/ TTFB \u8f83\u9ad8<\/h3>\n<ul>\n<li>\u8bca\u65ad\uff1a\u7528 traceroute\/mtr \u67e5\u627e\u8def\u7531\u8df3\u70b9\uff0c\u7ed3\u5408 DNS \u54cd\u5e94\u65f6\u95f4\u3001TLS \u63e1\u624b\u65f6\u95f4\u5206\u89e3\u5ef6\u8fdf\u6765\u6e90\u3002<\/li>\n<li>\u4f18\u5316\uff1a\u542f\u7528\u66f4\u591a PoP \u6216\u9009\u62e9 Anycast \u7f51\u7edc\u4f18\u8d28\u7684 CDN\uff1b\u542f\u7528 HTTP\/2 \u6216 HTTP\/3\uff1b\u5728\u8fb9\u7f18\u542f\u7528 TLS \u4f1a\u8bdd\u7f13\u5b58\u4e0e OCSP Stapling\u3002<\/li>\n<\/ul>\n<h3>2. \u4f4e\u7f13\u5b58\u547d\u4e2d\u7387\u5bfc\u81f4\u9891\u7e41\u56de\u6e90<\/h3>\n<ul>\n<li>\u8bca\u65ad\uff1a\u67e5\u770b\u8fb9\u7f18\u65e5\u5fd7\u7684 Cache-Control\u3001Set-Cookie \u548c Query String \u4f7f\u7528\u60c5\u51b5\uff0c\u7edf\u8ba1\u547d\u4e2d\u7387\u3002<\/li>\n<li>\u4f18\u5316\uff1a\u5408\u7406\u8bbe\u7f6e Cache-Control\u3001ETag\u3001Expires\uff1b\u5bf9\u9759\u6001\u8d44\u6e90\u4f7f\u7528\u7248\u672c\u5316\u6587\u4ef6\u540d\uff08fingerprint\uff09\u66ff\u4ee3\u77ed TTL\uff1b\u5bf9 Query String \u53c2\u6570\u4f7f\u7528\u7f13\u5b58\u952e\u767d\u540d\u5355\u6216\u5ffd\u7565\u4e0d\u5f71\u54cd\u5185\u5bb9\u7684\u53c2\u6570\u3002<\/li>\n<\/ul>\n<h3>3. \u533a\u57df\u6027\u53ef\u7528\u6027\/\u8fde\u901a\u6027\u95ee\u9898<\/h3>\n<ul>\n<li>\u8bca\u65ad\uff1a\u7ed3\u5408\u5408\u6210\u76d1\u6d4b\u5728\u76ee\u6807\u56fd\u5bb6\uff08\u5982\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u6216\u7f8e\u56fd\uff09\u8fdb\u884c\u8def\u7531\u4e0e DNS \u6d4b\u8bd5\uff0c\u5206\u6790\u662f\u5426\u4e3a ISP \u5c42\u6216\u56fd\u5bb6\u9632\u706b\u5899\u5bfc\u81f4\u7684\u4e22\u5305\u3002<\/li>\n<li>\u4f18\u5316\uff1a\u5728\u6709\u95ee\u9898\u7684\u533a\u57df\u6269\u5c55\u6216\u66f4\u6362 PoP\uff0c\u6216\u8005\u4f7f\u7528\u591a\u5bb6 CDN \u505a\u6d41\u91cf\u88c2\u53d8\uff0c\u7ed3\u5408 GSLB \u5b9e\u73b0\u6545\u969c\u5207\u6362\u3002<\/li>\n<\/ul>\n<h3>4. TLS\/\u8bc1\u4e66\u76f8\u5173\u6027\u80fd\u5f71\u54cd<\/h3>\n<ul>\n<li>\u8bca\u65ad\uff1a\u6d4b\u8bd5 TLS \u63e1\u624b\u65f6\u95f4\u3001\u8bc1\u4e66\u94fe\u5927\u5c0f\u4e0e OCSP \u54cd\u5e94\uff0c\u4f7f\u7528\u5de5\u5177\u5982 openssl\u3001sslyze\u3002<\/li>\n<li>\u4f18\u5316\uff1a\u91c7\u7528\u77ed\u8bc1\u4e66\u94fe\u3001\u5f00\u542f TLS 1.3\u3001\u542f\u7528 OCSP Stapling \u4e0e TLS False Start\uff0c\u51cf\u5c11\u63e1\u624b\u5f80\u8fd4\u3002<\/li>\n<\/ul>\n<h2>\u6027\u80fd\u4f18\u5316\u7684\u9ad8\u7ea7\u7b56\u7565<\/h2>\n<p>\u9664\u4e86\u57fa\u7840\u4f18\u5316\uff0c\u4ee5\u4e0b\u9ad8\u7ea7\u7b56\u7565\u80fd\u5e26\u6765\u663e\u8457\u6536\u76ca\uff1a<\/p>\n<ul>\n<li><strong>Edge Caching + Dynamic Acceleration<\/strong>\uff1a\u5bf9\u5e26\u6709\u53ef\u7f13\u5b58\u90e8\u5206\u7684\u52a8\u6001\u9875\u9762\u91c7\u7528\u8fb9\u7f18\u7f13\u5b58\u6a21\u677f\u5316\uff08Edge Side Includes, ESI\uff09\u6216\u8fb9\u7f18\u7ec4\u88c5\uff0c\u663e\u8457\u964d\u4f4e\u52a8\u6001\u8bf7\u6c42\u7684\u56de\u6e90\u9891\u7387\u3002<\/li>\n<li><strong>Origin Shield<\/strong>\uff1a\u8bbe\u7f6e\u533a\u57df\u6027\u56de\u6e90\u4fdd\u62a4\u5c42\uff0c\u5408\u5e76\u591a\u8282\u70b9\u7684\u56de\u6e90\u8bf7\u6c42\uff0c\u964d\u4f4e\u6e90\u7ad9\u538b\u529b\u3002<\/li>\n<li><strong>\u6d41\u91cf\u5206\u5c42\u4e0e\u5206\u7247<\/strong>\uff1a\u5bf9\u4e0d\u540c\u7c7b\u578b\u8d44\u6e90\uff08\u56fe\u7247\u3001\u89c6\u9891\u3001API\uff09\u4f7f\u7528\u4e0d\u540c CDN \u7b56\u7565\u4e0e\u7f13\u5b58\u57df\u540d\uff0c\u907f\u514d\u5927\u6587\u4ef6\u5f71\u54cd\u5c0f\u6587\u4ef6\u7684\u7f13\u5b58\u4e0e\u4f20\u8f93\u3002<\/li>\n<li><strong>\u534f\u8bae\u4f18\u5148\u7ea7\u4e0e\u6d41\u91cf\u7b56\u7565<\/strong>\uff1a\u4f18\u5148\u4f7f\u7528 QUIC\/HTTP3 \u4ee5\u964d\u4f4e\u9ad8\u4e22\u5305\u73af\u5883\u4e0b\u7684\u91cd\u4f20\u5ef6\u8fdf\u3002<\/li>\n<li><strong>\u81ea\u52a8\u5316\u6d4b\u8bd5\u4e0e CI \u96c6\u6210<\/strong>\uff1a\u5728\u53d1\u5e03\u6d41\u7a0b\u4e2d\u52a0\u5165\u5408\u6210\u6027\u80fd\u6d4b\u8bd5\uff0c\u786e\u4fdd\u65b0\u7248\u672c\u4e0a\u7ebf\u524d\u6027\u80fd\u672a\u56de\u9000\u3002<\/li>\n<\/ul>\n<h2>\u5728\u4e0d\u540c\u5e02\u573a\u7684\u90e8\u7f72\u8003\u91cf<\/h2>\n<p>\u9009\u62e9 CDN \u4e0e\u670d\u52a1\u5668\u4f4d\u7f6e\u9700\u8981\u7ed3\u5408\u7528\u6237\u5206\u5e03\u4e0e\u76d1\u7ba1\u73af\u5883\u6765\u51b3\u7b56\u3002\u4e3e\u4f8b\u8bf4\u660e\uff1a<\/p>\n<ul>\n<li>\u9762\u5411\u4e2d\u56fd\u5927\u9646\u4e0e\u9999\u6e2f\u7528\u6237\uff1a\u5efa\u8bae\u5728\u9999\u6e2f\u90e8\u7f72\u8fb9\u7f18\u8282\u70b9\u6216\u4f7f\u7528\u9760\u8fd1\u9999\u6e2f\u7684 PoP\uff0c\u5e76\u8003\u8651\u9999\u6e2f\u670d\u52a1\u5668\u7684\u7f51\u7edc\u51fa\u53e3\u8d28\u91cf\u4e0e\u5e26\u5bbd\u5cf0\u503c\uff1b\u57df\u540d\u89e3\u6790\u4e0e\u5907\u6848\u653f\u7b56\u4e5f\u987b\u8bc4\u4f30\u3002<\/li>\n<li>\u8986\u76d6\u4e1c\u4e9a\uff08\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\uff09\uff1a\u5c3d\u91cf\u5728\u8fd9\u4e9b\u5730\u533a\u4f7f\u7528\u672c\u5730 PoP \u6765\u51cf\u5c11\u8de8\u56fd RTT\uff0c\u5c24\u5176\u5bf9\u5b9e\u65f6\u4ea4\u4e92\u7c7b\u5e94\u7528\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<li>\u5317\u7f8e\u5e02\u573a\uff1a\u4f7f\u7528\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u7f8e\u670d PoP\uff0c\u7ed3\u5408 Anycast \u53ef\u5b9e\u73b0\u66f4\u7a33\u5b9a\u7684\u8de8\u6d32\u8868\u73b0\u3002<\/li>\n<li>\u6df7\u5408\u90e8\u7f72\uff1a\u5bf9\u8de8\u56fd\u4e1a\u52a1\uff0c\u91c7\u7528\u5168\u7403 CDN + \u591a\u533a\u57df\u6e90\u7ad9\uff08\u5982\u9999\u6e2fVPS \u4e0e\u7f8e\u56fdVPS\uff09\u5e76\u7ed3\u5408 GSLB\uff0c\u53ef\u4ee5\u5728\u6545\u969c\u65f6\u5feb\u901f\u5207\u6362\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d CDN \u4e0e\u670d\u52a1\u5668\u7684\u5efa\u8bae<\/h2>\n<p>\u5728\u9009\u8d2d CDN \u6216\u90e8\u7f72\u670d\u52a1\u5668\uff08\u4f8b\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u6d77\u5916\u670d\u52a1\u5668\u7b49\uff09\u65f6\uff0c\u5e94\u5173\u6ce8\u4ee5\u4e0b\u8981\u70b9\uff1a<\/p>\n<ul>\n<li>PoP \u8986\u76d6\u4e0e\u8d28\u91cf\uff1a\u67e5\u770b\u662f\u5426\u8986\u76d6\u76ee\u6807\u5e02\u573a\uff08\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u3001\u7f8e\u56fd\u7b49\uff09\u53ca\u5176 ISP \u4f9b\u5e94\u5546\u3002<\/li>\n<li>\u65e5\u5fd7\u4e0e\u76d1\u63a7\u80fd\u529b\uff1a\u662f\u5426\u652f\u6301\u8fb9\u7f18\u65e5\u5fd7\u5bfc\u51fa\u3001\u5b9e\u65f6\u6307\u6807\u4e0e\u81ea\u5b9a\u4e49\u4e8b\u4ef6\u63a8\u9001\u5230 Prometheus\/Grafana \u6216 ELK\u3002<\/li>\n<li>\u56de\u6e90\u4e0e\u7f13\u5b58\u7b56\u7565\u7075\u6d3b\u6027\uff1a\u662f\u5426\u652f\u6301\u81ea\u5b9a\u4e49\u7f13\u5b58\u952e\u3001\u8fb9\u7f18\u8ba1\u7b97\u4e0e ESI\u3002<\/li>\n<li>\u534f\u8bae\u652f\u6301\uff1a\u662f\u5426\u652f\u6301 HTTP\/2\u3001HTTP\/3\u3001Brotli\u3001Gzip \u4ee5\u53ca\u73b0\u4ee3 TLS \u7279\u6027\u3002<\/li>\n<li>\u6210\u672c\u4e0e\u8ba1\u8d39\u6a21\u578b\uff1a\u5e26\u5bbd\u8ba1\u8d39\u3001\u8bf7\u6c42\u8ba1\u8d39\u4e0e\u7f13\u5b58\u547d\u4e2d\u7387\u5f71\u54cd\u6210\u672c\u7ed3\u6784\uff0c\u8981\u7ed3\u5408\u4e1a\u52a1\u6d41\u91cf\u6a21\u578b\u8bc4\u4f30\u3002<\/li>\n<li>\u53ef\u7528\u7684\u642d\u914d\u8d44\u6e90\uff1a\u5982\u679c\u540c\u65f6\u9700\u8981\u670d\u52a1\u5668\u8d44\u6e90\uff0c\u53ef\u8003\u8651\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS \u6216\u8005\u6258\u7ba1\u9999\u6e2f\u670d\u52a1\u5668\/\u7f8e\u56fd\u670d\u52a1\u5668\u4ee5\u6784\u5efa\u591a\u6e90\u67b6\u6784\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3\uff1a\u76d1\u63a7\u9a71\u52a8\u4f18\u5316\uff0c\u6301\u7eed\u8fed\u4ee3\u662f\u5173\u952e<\/h2>\n<p>CDN \u80fd\u663e\u8457\u63d0\u5347\u5168\u7403\u8bbf\u95ee\u6027\u80fd\uff0c\u4f46\u771f\u6b63\u7684\u201c\u6781\u901f\u4f53\u9a8c\u201d\u6765\u81ea\u4e8e\u6301\u7eed\u7684\u76d1\u63a7\u4e0e\u9488\u5bf9\u6027\u7684\u4f18\u5316\u3002\u901a\u8fc7\u5408\u6210\u76d1\u6d4b + RUM \u7684\u53cc\u91cd\u89c6\u89d2\u3001\u5408\u7406\u7684 KPI\uff08\u5982 TTFB\u3001P95\u3001\u7f13\u5b58\u547d\u4e2d\u7387\uff09\u4ee5\u53ca\u5b8c\u5584\u7684\u544a\u8b66\u4f53\u7cfb\uff0c\u56e2\u961f\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4d\u74f6\u9888\u5e76\u9a8c\u8bc1\u6539\u52a8\u6548\u679c\u3002\u7ed3\u5408\u8fb9\u7f18\u8ba1\u7b97\u3001HTTP\/3\u3001\u7f13\u5b58\u7b56\u7565\u4e0e\u56de\u6e90\u4fdd\u62a4\u7b49\u4f18\u5316\u624b\u6bb5\uff0c\u80fd\u591f\u5728\u4e0d\u540c\u5e02\u573a\uff08\u5305\u62ec\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u4e0e\u7f8e\u56fd\uff09\u7a33\u5b9a\u4ea4\u4ed8\u4f18\u8d28\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<p>\u5bf9\u4e8e\u9700\u8981\u670d\u52a1\u5668\u4e0e CDN \u7efc\u5408\u90e8\u7f72\u7684\u56e2\u961f\uff0c\u5408\u7406\u9009\u62e9\u6e90\u7ad9\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u9999\u6e2fVPS\/\u7f8e\u56fdVPS\uff09\u4e0e\u57df\u540d\u6ce8\u518c\u670d\u52a1\uff0c\u5e76\u5728\u5168\u7403 PoP \u5e03\u5c40\u4e0a\u505a\u5230\u8986\u76d6\u76ee\u6807\u7528\u6237\uff0c\u662f\u6784\u5efa\u53ef\u9760\u9ad8\u6548\u5206\u53d1\u4f53\u7cfb\u7684\u5fc5\u7ecf\u4e4b\u8def\u3002<\/p>\n<p>\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u670d\u52a1\u5668\u9009\u8d2d\u4e0e\u5168\u7403\u90e8\u7f72\uff0c\u53ef\u4ee5\u53c2\u8003 Server.HK \u7684\u4ea7\u54c1\u4e0e\u65b9\u6848\uff1a<a href=\"https:\/\/server.hk\/\" target=\"_blank\" rel=\"noopener\">Server.HK<\/a>\u3002\u82e5\u60a8\u6b63\u5728\u8003\u8651\u5728\u9999\u6e2f\u6216\u6d77\u5916\u90e8\u7f72\u6e90\u7ad9\uff0c\u67e5\u770b\u5177\u4f53\u670d\u52a1\u5668\u914d\u7f6e\u4e0e\u53ef\u7528\u5730\u57df\u8bf7\u89c1\uff1a<a href=\"https:\/\/server.hk\/server.php\" target=\"_blank\" rel=\"noopener\">\u9999\u6e2f\u670d\u52a1\u5668 \/ \u6d77\u5916\u670d\u52a1\u5668 \u5217\u8868<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5168\u7403\u5316\u4e0e\u79fb\u52a8\u5316\u9a71\u52a8\u4e0b\uff0cCDN \u6027\u80fd\u76d1\u63a7\u5df2\u6210\u4e3a\u63d0\u5347\u7f51\u7ad9\u901f\u5ea6\u4e0e\u964d\u4f4e\u5ef6\u8fdf\u7684\u5173\u952e\u5229\u5668\u3002\u672c\u6587\u4ee5\u5b9e\u7528\u89d2\u5ea6\u5e26\u4f60\u638c\u63e1\u5173\u952e\u6307\u6807\u3001\u76d1\u63a7\u65b9\u6cd5\u4e0e\u4f18\u5316\u5b9e\u64cd\uff0c\u5e2e\u52a9\u89e3\u9501\u7f51\u7ad9\u7684\u6781\u901f\u4f53\u9a8c\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":[2976,3915,3914,3936,2142,809,267,2859],"class_list":{"0":"post-209917","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-4928","7":"tag-cdn-","10":"tag-3936","11":"tag-2142","12":"tag-809","13":"tag-267","14":"tag-2859"},"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209917","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=209917"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209917\/revisions"}],"predecessor-version":[{"id":209918,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209917\/revisions\/209918"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=209917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=209917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=209917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}