{"id":209875,"date":"2025-10-24T00:38:30","date_gmt":"2025-10-23T16:38:30","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209875\/"},"modified":"2025-10-24T00:38:31","modified_gmt":"2025-10-23T16:38:31","slug":"cdn-171","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209875\/","title":{"rendered":"CDN\u9ad8\u5cf0\u671f\u6027\u80fd\u6d4b\u8bd5\u5b9e\u6218\uff1a\u65b9\u6cd5\u3001\u5de5\u5177\u4e0e\u5feb\u901f\u4f18\u5316\u8981\u70b9"},"content":{"rendered":"<p>\u5728\u5168\u7403\u6d41\u91cf\u6fc0\u589e\u6216\u4fc3\u9500\u6d3b\u52a8\u7b49\u9ad8\u5cf0\u671f\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u80fd\u5426\u7a33\u5b9a\u627f\u8f7d\u8bbf\u95ee\u538b\u529b\u76f4\u63a5\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u4e0e\u4e1a\u52a1\u6536\u5165\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u7cfb\u7edf\u8bb2\u89e3\u5982\u4f55\u8fdb\u884cCDN\u9ad8\u5cf0\u671f\u6027\u80fd\u6d4b\u8bd5\u3001\u5e38\u7528\u5de5\u5177\u4e0e\u5b9e\u6218\u4f18\u5316\u8981\u70b9\uff0c\u5e2e\u52a9\u8bfb\u8005\u5728\u4f7f\u7528\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u9999\u6e2fVPS\u6216\u7f8e\u56fdVPS\u7b49\u6d77\u5916\u670d\u52a1\u5668\u90e8\u7f72\u65f6\uff0c\u63d0\u524d\u53d1\u73b0\u74f6\u9888\u5e76\u5236\u5b9a\u53ef\u6267\u884c\u7684\u6539\u5584\u7b56\u7565\u3002<\/p>\n<h2>\u4e00\u3001\u7406\u89e3CDN\u9ad8\u5cf0\u671f\u6027\u80fd\u6d4b\u8bd5\u7684\u76ee\u6807\u4e0e\u6307\u6807<\/h2>\n<p>\u8fdb\u884c\u6027\u80fd\u6d4b\u8bd5\u524d\u5fc5\u987b\u660e\u786e\u76ee\u6807\u4e0e\u8861\u91cf\u6307\u6807\u3002\u5178\u578b\u76ee\u6807\u5305\u62ec\u4fdd\u8bc1\u9ad8\u5e76\u53d1\u8bbf\u95ee\u4e0b\u7684\u9875\u9762\/\u8d44\u6e90\u53ef\u7528\u6027\u3001\u7f29\u77ed\u9996\u5b57\u8282\u65f6\u95f4\uff08TTFB\uff09\u3001\u63d0\u9ad8\u7f13\u5b58\u547d\u4e2d\u7387\u4ee5\u53ca\u5728\u6545\u969c\u65f6\u5feb\u901f\u964d\u7ea7\u3002<\/p>\n<h3>\u6838\u5fc3\u6307\u6807\uff08KPI\uff09<\/h3>\n<ul>\n<li><strong>\u5e76\u53d1\u8fde\u63a5\u6570\/\u6bcf\u79d2\u8bf7\u6c42\u6570\uff08RPS\uff09<\/strong>\uff1a\u8861\u91cf\u7cfb\u7edf\u5728\u5355\u4f4d\u65f6\u95f4\u5185\u80fd\u627f\u8f7d\u591a\u5c11\u8bf7\u6c42\u3002<\/li>\n<li><strong>\u54cd\u5e94\u65f6\u95f4\u5206\u4f4d\uff08P50\/P90\/P99\uff09<\/strong>\uff1a\u53cd\u6620\u5927\u90e8\u5206\u7528\u6237\u7684\u5b9e\u9645\u4f53\u9a8c\u3002<\/li>\n<li><strong>\u9996\u5b57\u8282\u65f6\u95f4\uff08TTFB\uff09<\/strong>\uff1aCDN PoP\u5230\u56de\u6e90\u4e4b\u95f4\u7684\u5ef6\u8fdf\u4e0e\u5904\u7406\u65f6\u95f4\u603b\u548c\u3002<\/li>\n<li><strong>\u7f13\u5b58\u547d\u4e2d\u7387\uff08Cache Hit Ratio\uff09<\/strong>\uff1a\u547d\u4e2d\u8d8a\u9ad8\uff0c\u56de\u6e90\u538b\u529b\u8d8a\u5c0f\uff0c\u5ef6\u8fdf\u8d8a\u4f4e\u3002<\/li>\n<li><strong>\u5e26\u5bbd\u4e0e\u541e\u5410\u91cf<\/strong>\uff1a\u9700\u8981\u76d1\u6d4b\u51fa\u7ad9\u5e26\u5bbd\u662f\u5426\u6210\u4e3a\u74f6\u9888\u3002<\/li>\n<li><strong>\u9519\u8bef\u7387\u4e0e\u5931\u8d25\u6a21\u5f0f<\/strong>\uff1a\u5305\u62ec5xx\u30014xx\u9519\u8bef\uff0c\u4ee5\u53ca\u8d85\u65f6\u7387\u3002<\/li>\n<\/ul>\n<h3>\u4e0e\u7f51\u7edc\u76f8\u5173\u7684\u5ef6\u8fdf\u6307\u6807<\/h3>\n<ul>\n<li>DNS\u89e3\u6790\u65f6\u95f4\u3001TLS\u63e1\u624b\u4e0e\u8bc1\u4e66\u9a8c\u8bc1\u65f6\u95f4\uff08\u5305\u62ecOCSP\uff09\uff0cHTTP\/2\u6216QUIC\u7684\u8fde\u63a5\u590d\u7528\u6548\u679c\u3002<\/li>\n<li>PoP\u5230\u7528\u6237\u7684\u6700\u540e\u4e00\u8df3RTT\uff1b\u8de8\u5883\u8bbf\u95ee\u65f6\uff08\u5982\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668\u8bbf\u95ee\u9999\u6e2fVPS\uff09\u9700\u5173\u6ce8\u94fe\u8def\u65f6\u5ef6\u548c\u4e22\u5305\u7387\u3002<\/li>\n<\/ul>\n<h2>\u4e8c\u3001\u6d4b\u8bd5\u8bbe\u8ba1\u4e0e\u573a\u666f\u8986\u76d6<\/h2>\n<p>\u5408\u7406\u7684\u6d4b\u8bd5\u8bbe\u8ba1\u80fd\u591f\u51cf\u5c11\u8bef\u5224\u3002\u9ad8\u5cf0\u671f\u6d4b\u8bd5\u5e94\u8986\u76d6\u9759\u6001\u8d44\u6e90\u4e0e\u52a8\u6001\u8bf7\u6c42\u3001\u957f\u89c6\u9891\u6d41\u5a92\u4f53\u8bf7\u6c42\u3001API\u63a5\u53e3\u4e0eTLS\u63e1\u624b\u7b49\u573a\u666f\u3002<\/p>\n<h3>\u6d4b\u8bd5\u573a\u666f\u793a\u4f8b<\/h3>\n<ul>\n<li>\u9759\u6001\u8d44\u6e90\u5e76\u53d1\uff1a\u5927\u91cf\u5e76\u53d1\u8bf7\u6c42\u56fe\u7247\u3001JS\u3001CSS\uff0c\u9a8c\u8bc1\u7f13\u5b58\u7b56\u7565\u4e0ePoP\u541e\u5410\u3002<\/li>\n<li>\u52a8\u6001API\uff1a\u5e26Session\u6216Cookie\u7684POST\/PUT\u8bf7\u6c42\uff0c\u8861\u91cf\u56de\u6e90\u4e0e\u8fb9\u7f18\u8ba1\u7b97\u80fd\u529b\u3002<\/li>\n<li>\u957f\u8fde\u63a5\/\u6d41\u5a92\u4f53\uff1a\u4f7f\u7528HTTP Range\u6216HLS\/DASH\u8fdb\u884c\u6301\u7eed\u5e26\u5bbd\u5360\u7528\u6d4b\u8bd5\u3002<\/li>\n<li>\u6df7\u5408\u8d1f\u8f7d\uff1a\u540c\u65f6\u53d1\u8d77\u9759\u6001\u4e0e\u52a8\u6001\u8bf7\u6c42\uff0c\u6a21\u62df\u771f\u5b9e\u7528\u6237\u884c\u4e3a\u3002<\/li>\n<li>\u6545\u969c\u5207\u6362\uff1a\u6a21\u62df\u67d0PoP\u6216\u56de\u6e90\u4e0d\u53ef\u8fbe\uff0c\u68c0\u67e5\u56de\u6e90\u6e05\u6d17\u3001\u91cd\u8bd5\u4e0e\u964d\u7ea7\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h3>\u6d4b\u8bd5\u6d41\u7a0b\u8981\u70b9<\/h3>\n<ul>\n<li>\u786e\u5b9aSLA\u5e76\u8bbe\u7f6e\u9608\u503c\uff08\u5982P95 &lt; 300ms\uff0c\u9519\u8bef\u7387 &lt; 0.1%\uff09\u3002<\/li>\n<li>\u51c6\u5907\u57fa\u7ebf\u6d4b\u8bd5\uff08\u7a7a\u8f7d\uff09\u548c\u9010\u6b65\u722c\u5347\uff08ramp-up\uff09\u5230\u76ee\u6807\u5e76\u53d1\uff0c\u89c2\u5bdf\u7cfb\u7edf\u884c\u4e3a\u3002<\/li>\n<li>\u7ef4\u6301\u4e00\u5b9a\u65f6\u95f4\u7684\u7a33\u6001\uff08steady-state\uff09\u4ee5\u6355\u83b7\u7f13\u5b58\u884c\u4e3a\u4e0e\u8fde\u63a5\u6c60\u8017\u5c3d\u7b49\u95ee\u9898\u3002<\/li>\n<li>\u8fdb\u884c\u7a81\u53d1\u6d41\u91cf\uff08spike\uff09\u4e0e\u6df7\u5408\u573a\u666f\u6d4b\u8bd5\uff0c\u9a8c\u8bc1\u77ac\u65f6\u6269\u5c55\u80fd\u529b\u3002<\/li>\n<li>\u91c7\u96c6\u5168\u9762\u76d1\u63a7\uff1a\u8fb9\u7f18\u8282\u70b9\u6307\u6807\u3001\u56de\u6e90\u670d\u52a1\u5668CPU\/\u5185\u5b58\/I\/O\u3001\u7f51\u7edc\u4e22\u5305\u4e0e\u94fe\u8def\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<h2>\u4e09\u3001\u5e38\u7528\u5de5\u5177\u4e0e\u5b9e\u8df5\u6280\u5de7<\/h2>\n<p>\u9009\u62e9\u5408\u9002\u7684\u538b\u529b\u751f\u6210\u4e0e\u76d1\u63a7\u5de5\u5177\u80fd\u8ba9\u6d4b\u8bd5\u66f4\u63a5\u8fd1\u771f\u5b9e\u573a\u666f\u3002<\/p>\n<h3>\u538b\u529b\u4e0e\u8d1f\u8f7d\u751f\u6210\u5de5\u5177<\/h3>\n<ul>\n<li><strong>wrk \/ wrk2<\/strong>\uff1a\u9ad8\u6027\u80fd\u7684HTTP\u8d1f\u8f7d\u5de5\u5177\uff0c\u9002\u5408\u751f\u6210\u9ad8\u5e76\u53d1\u77ed\u8bf7\u6c42\uff0c\u652f\u6301Lua\u811a\u672c\u5b9e\u73b0\u590d\u6742\u573a\u666f\u3002<\/li>\n<li><strong>k6<\/strong>\uff1a\u73b0\u4ee3\u5316\u7684\u8d1f\u8f7d\u6d4b\u8bd5\u5de5\u5177\uff0c\u652f\u6301\u811a\u672c\uff08JavaScript\uff09\uff0c\u6613\u96c6\u6210CI\/CD\uff0c\u9002\u5408API\u4e0eWeb\u573a\u666f\u3002<\/li>\n<li><strong>Gatling<\/strong>\uff1a\u57fa\u4e8eScala\uff0c\u9002\u5408\u590d\u6742\u4e1a\u52a1\u6d41\u7a0b\u7684\u8d1f\u8f7d\u6a21\u62df\u4e0e\u62a5\u544a\u751f\u6210\u3002<\/li>\n<li><strong>ApacheBench (ab)\u3001siege\u3001vegeta<\/strong>\uff1a\u8f7b\u91cf\u5de5\u5177\uff0c\u4fbf\u4e8e\u5feb\u901f\u9a8c\u8bc1\u3002<\/li>\n<li><strong>h2load<\/strong>\uff1a\u4e13\u95e8\u7528\u4e8eHTTP\/2\u5e76\u53d1\u6d4b\u8bd5\uff0c\u8bc4\u4f30\u591a\u8def\u590d\u7528\u7684\u6548\u679c\u3002<\/li>\n<\/ul>\n<h3>\u76d1\u63a7\u4e0e\u8bca\u65ad\u5de5\u5177<\/h3>\n<ul>\n<li><strong>Prometheus + Grafana<\/strong>\uff1a\u76d1\u63a7\u91c7\u96c6\u4e0e\u53ef\u89c6\u5316\uff0c\u8ffd\u8e2aCDN PoP\u548c\u56de\u6e90\u7684\u5173\u952e\u6307\u6807\u3002<\/li>\n<li><strong>tcpdump \/ Wireshark<\/strong>\uff1a\u6293\u5305\u5206\u6790TLS\u3001HTTP\/2\u6216QUIC\u5c42\u9762\u7684\u95ee\u9898\u3002<\/li>\n<li><strong>MTR \/ traceroute \/ ping<\/strong>\uff1a\u5b9a\u4f4d\u8de8\u56fd\u94fe\u8def\uff08\u5982\u8bbf\u95ee\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u6d77\u5916\u670d\u52a1\u5668\u65f6\uff09\u7684\u7f51\u7edc\u8d28\u91cf\u95ee\u9898\u3002<\/li>\n<li><strong>netstat \/ ss \/ iostat \/ sar<\/strong>\uff1a\u76d1\u6d4b\u670d\u52a1\u5668\u7aef\u7684\u8fde\u63a5\u6570\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0e\u78c1\u76d8I\/O\u3002<\/li>\n<\/ul>\n<h3>\u771f\u5b9e\u6d41\u91cf\u56de\u653e\u4e0e\u5408\u89c4\u6027<\/h3>\n<p>\u5728\u5141\u8bb8\u7684\u524d\u63d0\u4e0b\uff0c\u4f7f\u7528\u771f\u5b9e\u8bbf\u95ee\u65e5\u5fd7\u8fdb\u884c\u56de\u653e\uff08\u7ecf\u8fc7\u8131\u654f\uff09\u80fd\u66f4\u51c6\u786e\u590d\u73b0\u771f\u5b9e\u8bf7\u6c42\u6a21\u5f0f\u3002\u6ce8\u610f\u9690\u79c1\u4e0e\u5408\u89c4\uff08GDPR\u7b49\uff09\u7ea6\u675f\u3002<\/p>\n<h2>\u56db\u3001\u5b9a\u4f4d\u74f6\u9888\uff1a\u8fb9\u7f18\u8fd8\u662f\u56de\u6e90\uff1f<\/h2>\n<p>\u6d4b\u8bd5\u4e2d\u5e38\u89c1\u7684\u74f6\u9888\u5728\u4e24\u4e2a\u5c42\u9762\uff1aCDN\u8fb9\u7f18\uff08PoP\uff09\u548c\u6e90\u7ad9\uff08origin\uff09\u3002\u533a\u5206\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u89c2\u5bdf\u7f13\u5b58\u547d\u4e2d\u7387\uff1a\u9ad8\u547d\u4e2d\u7387\u4e14\u54cd\u5e94\u6162\uff0c\u8bf4\u660e\u95ee\u9898\u53ef\u80fd\u5728PoP\u7f51\u7edc\u6216TLS\u5c42\uff1b\u4f4e\u547d\u4e2d\u7387\u5219\u53ef\u80fd\u56de\u6e90\u538b\u529b\u6216\u7f13\u5b58\u7b56\u7565\u4e0d\u5f53\u3002<\/li>\n<li>\u5bf9\u6bd4PoP\u548c\u56de\u6e90\u7684\u54cd\u5e94\u65f6\u95f4\u5206\u89e3\uff1a\u82e5\u56de\u6e90TTFB\u9ad8\uff0c\u9700\u4f18\u5316\u540e\u7aef\u5e94\u7528\u3001\u6570\u636e\u5e93\u6216\u542f\u7528\u66f4\u5f3a\u7684\u56de\u6e90\u5e26\u5bbd\u3002<\/li>\n<li>\u5229\u7528\u591a\u5730\u57df\u6d4b\u8bd5\u8282\u70b9\uff08\u4f8b\u5982\u4ece\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fdVPS\u3001\u65e5\u672c\u670d\u52a1\u5668\u7b49\u4e0d\u540c\u8282\u70b9\u53d1\u8d77\u538b\u529b\uff09\uff0c\u5224\u65ad\u662f\u5426\u4e3a\u5730\u57df\u6027\u7f51\u7edc\u95ee\u9898\u3002<\/li>\n<\/ul>\n<h2>\u4e94\u3001\u5feb\u901f\u4f18\u5316\u8981\u70b9\uff08\u5b9e\u6218\u6e05\u5355\uff09<\/h2>\n<p>\u5728\u9ad8\u5cf0\u671f\u524d\uff0c\u6309\u4f18\u5148\u7ea7\u5b9e\u65bd\u4ee5\u4e0b\u4f18\u5316\u53ef\u663e\u8457\u63d0\u5347\u6297\u538b\u80fd\u529b\u4e0e\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<h3>\u7f13\u5b58\u4e0e\u5bf9\u8c61\u7ba1\u7406<\/h3>\n<ul>\n<li>\u5408\u7406\u8bbe\u7f6eCache-Control\u3001Expires\u4e0eETag\uff0c\u786e\u4fdd\u9759\u6001\u8d44\u6e90\u957f\u671f\u7f13\u5b58\u5e76\u51cf\u5c11\u56de\u6e90\u3002<\/li>\n<li>\u4f7f\u7528Origin Shield\u6216\u4e2d\u5fc3\u5316\u56de\u6e90\u8282\u70b9\uff0c\u964d\u4f4e\u56de\u6e90\u8bf7\u6c42\u5e76\u4fdd\u62a4\u6e90\u7ad9\u3002<\/li>\n<li>\u5f00\u542f\u538b\u7f29\uff08Brotli\u4f18\u4e8eGzip\uff09\u4e0e\u5408\u5e76\u8d44\u6e90\uff08CSS\/JS\u5408\u5e76\u6216HTTP\/2\u591a\u8def\u590d\u7528\u4ee3\u66ff\u5408\u5e76\uff09\uff0c\u51cf\u5c11\u4f20\u8f93\u4f53\u79ef\u3002<\/li>\n<li>\u8bbe\u5b9a\u5408\u7406\u7684\u7f13\u5b58\u5206\u5c42\u7b56\u7565\u4e0e\u5206\u7247\u7b56\u7565\uff0c\u5bf9\u5927\u5bf9\u8c61\uff08\u89c6\u9891\uff09\u4f7f\u7528Range\u8bf7\u6c42\u4e0e\u5206\u6bb5\u7f13\u5b58\u3002<\/li>\n<\/ul>\n<h3>\u8fde\u63a5\u4e0e\u4f20\u8f93\u4f18\u5316<\/h3>\n<ul>\n<li>\u542f\u7528HTTP\/2\u6216QUIC\uff08HTTP\/3\uff09\u4ee5\u51cf\u5c11\u63e1\u624b\u4e0e\u63d0\u9ad8\u5e76\u53d1\u6548\u7387\u3002<\/li>\n<li>\u4f7f\u7528TLS\u4f1a\u8bdd\u6062\u590d\u4e0e0-RTT\uff08\u5982\u679c\u53ef\u884c\uff09\uff0c\u51cf\u5c11\u91cd\u590d\u63e1\u624b\u5f00\u9500\uff0c\u6ce8\u610f0-RTT\u7684\u91cd\u653e\u98ce\u9669\u3002<\/li>\n<li>\u542f\u7528Keep-Alive\u4e0e\u8fde\u63a5\u6c60\u7b56\u7565\uff0c\u907f\u514d\u77ed\u8fde\u63a5\u9891\u7e41\u521b\u5efa\u5bfc\u81f4TCP\/TLS\u6210\u672c\u9ad8\u3002<\/li>\n<\/ul>\n<h3>\u56de\u6e90\u4e0e\u5e94\u7528\u5c42\u4f18\u5316<\/h3>\n<ul>\n<li>\u6570\u636e\u5e93\u67e5\u8be2\u4f18\u5316\u4e0e\u7f13\u5b58\uff08Redis\/Memcached\uff09\u51cf\u8f7b\u52a8\u6001\u8bf7\u6c42\u8d1f\u8f7d\u3002<\/li>\n<li>\u8bbe\u7f6e\u540e\u7aef\u7194\u65ad\u3001\u9650\u6d41\u4e0e\u4f18\u5148\u7ea7\u961f\u5217\uff0c\u9632\u6b62\u56de\u6e90\u88ab\u77ac\u65f6\u6d41\u91cf\u538b\u57ae\u3002<\/li>\n<li>\u4f7f\u7528CDN\u8fb9\u7f18\u8ba1\u7b97\uff08Edge Workers\uff09\u505a\u8f7b\u91cf\u7ea7\u4e1a\u52a1\u5904\u7406\uff0c\u51cf\u5c11\u56de\u6e90\u9891\u7387\u3002<\/li>\n<\/ul>\n<h3>\u7f51\u7edc\u4e0e\u57fa\u7840\u8bbe\u65bd<\/h3>\n<ul>\n<li>\u9009\u62e9PoP\u9760\u8fd1\u4e3b\u8981\u7528\u6237\u7fa4\uff08\u4f8b\u5982\u9999\u6e2f\u3001\u4e1c\u4eac\u3001\u9996\u5c14\u3001\u65b0\u52a0\u5761\u7b49\uff09\u4ee5\u964d\u4f4eRTT\u3002<\/li>\n<li>\u8bc4\u4f30\u5e26\u5bbd\u5197\u4f59\u4e0e\u8de8\u56fd\u94fe\u8def\u8d28\u91cf\uff0c\u5fc5\u8981\u65f6\u5728\u4e0d\u540c\u5730\u533a\u90e8\u7f72\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\u505a\u8d1f\u8f7d\u5747\u8861\u3002<\/li>\n<li>\u5728\u90e8\u7f72\u4e0a\u8003\u8651\u6df7\u5408\u4e91\u6216\u591a\u4e91\u7b56\u7565\uff0c\u7ed3\u5408\u9999\u6e2fVPS\u4e0e\u5176\u4ed6\u5730\u533aVPS\u5b9e\u73b0\u6d41\u91cf\u5206\u6d41\u3002<\/li>\n<\/ul>\n<h2>\u516d\u3001\u9009\u8d2d\u4e0e\u90e8\u7f72\u5efa\u8bae<\/h2>\n<p>\u4e3a\u83b7\u5f97\u66f4\u7a33\u5065\u7684\u9ad8\u5cf0\u671f\u8868\u73b0\uff0c\u9009\u8d2dCDN\u6216\u6d77\u5916\u670d\u52a1\u5668\u65f6\u5e94\u5173\u6ce8\u4ee5\u4e0b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>PoP\u8986\u76d6\u4e0e\u9aa8\u5e72\u7f51\u7edc\u4e92\u8054<\/strong>\uff1a\u4f18\u5148\u9009\u62e9\u5728\u76ee\u6807\u7528\u6237\u9644\u8fd1\u6709PoP\u4e14\u4e0e\u4e3b\u5e72\u9aa8\u5e72\u7f51\u7edc\u4e92\u8fde\u826f\u597d\u7684\u670d\u52a1\u5546\uff08\u5982\u4e9a\u592a\u3001\u7f8e\u6d32\u8282\u70b9\u4f18\u826f\u8005\uff09\u3002<\/li>\n<li><strong>\u53ef\u89c2\u6d4b\u6027\u4e0e\u544a\u8b66\u80fd\u529b<\/strong>\uff1a\u786e\u8ba4\u4f9b\u5e94\u5546\u63d0\u4f9b\u4e30\u5bcc\u7684\u5b9e\u65f6\u76d1\u63a7\u3001\u65e5\u5fd7\u4e0e\u544a\u8b66\u63a5\u53e3\uff0c\u4fbf\u4e8e\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u3002<\/li>\n<li><strong>\u7075\u6d3b\u7684\u7f13\u5b58\u4e0e\u914d\u7f6e\u7b56\u7565<\/strong>\uff1a\u652f\u6301\u81ea\u5b9a\u4e49\u7f13\u5b58\u7b56\u7565\u3001\u8fb9\u7f18\u8ba1\u7b97\u4e0e\u56de\u6e90\u8def\u7531\u89c4\u5219\u3002<\/li>\n<li><strong>\u4f38\u7f29\u80fd\u529b\u4e0e\u7d27\u6025\u63f4\u52a9<\/strong>\uff1a\u5728\u4fc3\u9500\u6216\u6d41\u91cf\u7a81\u589e\u65f6\uff0c\u80fd\u5426\u5feb\u901f\u52a0\u5e26\u5bbd\u4e0e\u5f00\u901a\u989d\u5916PoP\u662f\u5173\u952e\u3002<\/li>\n<li><strong>\u5408\u89c4\u4e0e\u6570\u636e\u4e3b\u6743<\/strong>\uff1a\u8de8\u5883\u90e8\u7f72\u65f6\u5173\u6ce8\u6570\u636e\u5b58\u50a8\u4e0e\u4f20\u8f93\u5408\u89c4\uff08\u4f8b\u5982\u5c06\u67d0\u4e9b\u6570\u636e\u653e\u5728\u9999\u6e2f\u6216\u65e5\u672c\u670d\u52a1\u5668\u7b49\u6307\u5b9a\u533a\u57df\uff09\u3002<\/li>\n<\/ul>\n<h2>\u4e03\u3001\u5e38\u89c1\u6545\u969c\u4e0e\u5904\u7f6e\u5efa\u8bae<\/h2>\n<p>\u9ad8\u5cf0\u671f\u5bb9\u6613\u89e6\u53d1\u7684\u6545\u969c\u4e0e\u6392\u67e5\u8981\u70b9\uff1a<\/p>\n<ul>\n<li>\u7f13\u5b58\u56de\u6e90\u98ce\u66b4\uff1a\u67e5\u770b\u7f13\u5b58\u5931\u6548\u6216\u77edTTL\uff0c\u4f7f\u7528\u7f13\u5b58\u9884\u70ed\uff08warm-up\uff09\u907f\u514d\u77ac\u65f6\u9000\u56de\u56de\u6e90\u3002<\/li>\n<li>\u8fde\u63a5\u8017\u5c3d\uff1a\u76d1\u63a7\u6587\u4ef6\u63cf\u8ff0\u7b26\u3001Keep-Alive\u6c60\uff0c\u8c03\u6574\u64cd\u4f5c\u7cfb\u7edf\u53c2\u6570\uff08\u5982net.core.somaxconn\u3001ulimit\uff09\u4e0eCDN\u8fde\u63a5\u5e76\u53d1\u914d\u7f6e\u3002<\/li>\n<li>\u8de8\u5883\u4e22\u5305\/\u6296\u52a8\uff1a\u4f7f\u7528MTR\u5b9a\u4f4d\u4e22\u5305\u70b9\uff0c\u5fc5\u8981\u65f6\u5207\u6362\u5230\u5ef6\u8fdf\u66f4\u4f4e\u7684\u7ebf\u8def\u6216\u672c\u5730\u5316\u8282\u70b9\u3002<\/li>\n<li>TLS\u74f6\u9888\uff1a\u542f\u7528\u4f1a\u8bdd\u6062\u590d\u3001\u9009\u62e9\u9ad8\u6027\u80fd\u7684\u5bc6\u7801\u5957\u4ef6\uff08ECDHE + AES-GCM\/ChaCha20\uff09\uff0c\u5e76\u542f\u7528OCSP Stapling\u51cf\u5c11\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u8df5\u5efa\u8bae\uff1a<\/strong>\u5728\u4e0a\u7ebf\u524d\u8fdb\u884c\u4e00\u6b21\u7aef\u5230\u7aef\u7684\u6f14\u7ec3\uff0c\u4ece\u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\uff08\u53ef\u4f7f\u7528\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u7b49\u8282\u70b9\uff09\u53d1\u8d77\u538b\u529b\uff0c\u5b8c\u6210\u6545\u969c\u5207\u6362\u4e0e\u56de\u9000\u6d41\u7a0b\u6f14\u7ec3\uff0c\u786e\u4fdd\u56e2\u961f\u5728\u9ad8\u538b\u4e0b\u80fd\u5feb\u901f\u54cd\u5e94\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>CDN\u9ad8\u5cf0\u671f\u6027\u80fd\u6d4b\u8bd5\u662f\u4e00\u4e2a\u5305\u542b\u8bbe\u8ba1\u3001\u5b9e\u65bd\u4e0e\u4f18\u5316\u7684\u95ed\u73af\u5de5\u7a0b\uff0c\u9700\u8981\u6e05\u6670\u7684KPI\u3001\u53ef\u91cd\u590d\u7684\u6d4b\u8bd5\u573a\u666f\u4e0e\u5168\u9762\u7684\u76d1\u63a7\u6570\u636e\u652f\u6301\u3002\u901a\u8fc7\u5408\u7406\u914d\u7f6e\u7f13\u5b58\u3001\u4f18\u5316\u4f20\u8f93\u534f\u8bae\u3001\u4fdd\u62a4\u56de\u6e90\u5e76\u7ed3\u5408\u5730\u57df\u5316PoP\uff08\u6bd4\u5982\u5728\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u6216\u65b0\u52a0\u5761\u7b49\u5173\u952e\u4f4d\u7f6e\uff09\u5e03\u5c40\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u9ad8\u5e76\u53d1\u627f\u8f7d\u80fd\u529b\u4e0e\u7528\u6237\u4f53\u9a8c\u3002\u5bf9\u4e8e\u9700\u8981\u5728\u6d77\u5916\u90e8\u7f72\u6216\u8fdb\u884c\u8de8\u5883\u8bbf\u95ee\u7684\u7ad9\u957f\u4e0e\u4f01\u4e1a\uff0c\u5efa\u8bae\u5728\u6027\u80fd\u6d4b\u8bd5\u4e2d\u4f7f\u7528\u4e0d\u540c\u5730\u57df\u7684\u5b9e\u4f8b\uff08\u5305\u62ec\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u9999\u6e2fVPS\u548c\u7f8e\u56fdVPS\uff09\u8fdb\u884c\u9a8c\u8bc1\uff0c\u4ee5\u786e\u4fdd\u5728\u771f\u6b63\u7684\u9ad8\u5cf0\u671f\u5b9e\u73b0\u5e73\u7a33\u8fd0\u884c\u3002<\/p>\n<p>\u5982\u9700\u8fdb\u4e00\u6b65\u7684\u90e8\u7f72\u5efa\u8bae\u6216\u8d2d\u4e70\u9999\u6e2f\u670d\u52a1\u5668\u3001\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u7b49\u8d44\u6e90\uff0c\u53ef\u53c2\u8003 Server.HK \u7684\u4ea7\u54c1\u9875\u9762\uff1a<a href=\"https:\/\/server.hk\/server.php\">\u9999\u6e2f\u670d\u52a1\u5668\u4e0e\u6d77\u5916\u670d\u52a1\u5668\u9009\u8d2d<\/a>\uff0c\u6216\u8bbf\u95ee\u7ad9\u70b9\u4e3b\u9875\u4e86\u89e3\u66f4\u591a\u670d\u52a1\uff1a<a 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