{"id":209895,"date":"2025-10-24T00:54:18","date_gmt":"2025-10-23T16:54:18","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209895\/"},"modified":"2025-10-24T00:54:19","modified_gmt":"2025-10-23T16:54:19","slug":"cdn-181","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209895\/","title":{"rendered":"CDN\u670d\u52a1\u5546\u76d1\u63a7\u5de5\u5177\u6a2a\u8bc4\uff1a\u6027\u80fd\u3001\u544a\u8b66\u4e0e\u6210\u672c\u4e00\u76ee\u4e86\u7136"},"content":{"rendered":"<p>\u5728\u5168\u7403\u4e92\u8054\u7f51\u67b6\u6784\u4e2d\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u627f\u62c5\u7740\u52a0\u901f\u9759\u6001\u4e0e\u52a8\u6001\u5185\u5bb9\u3001\u964d\u4f4e\u6e90\u7ad9\u538b\u529b\u4ee5\u53ca\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u7684\u91cd\u4efb\u3002\u968f\u7740\u4e1a\u52a1\u5411\u591a\u533a\u57df\u3001\u591a\u4e91\u90e8\u7f72\u6269\u5c55\uff0c\u9009\u62e9\u5408\u9002\u7684<span 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ping\u3001traceroute\u3001SFlow\/NetFlow\uff09\u8bc4\u4f30\u8def\u5f84\u8d28\u91cf\u4e0e\u4e22\u5305\u3002<\/li>\n<\/ul>\n<h3>\u5173\u952e\u6307\u6807\u8be6\u89e3\uff08\u5fc5\u987b\u76d1\u63a7\uff09<\/h3>\n<ul>\n<li><strong>\u541e\u5410\u91cf\uff08Bandwidth\uff09\uff1a<\/strong>\u5165\u7ad9\u4e0e\u51fa\u7ad9\u5e26\u5bbd\u8d8b\u52bf\uff0c\u53ef\u7528\u4e8e\u8bc6\u522b\u6d41\u91cf\u6fc0\u589e\u3001DDOS\u6216\u722c\u866b\u884c\u4e3a\u3002<\/li>\n<li><strong>\u8bf7\u6c42\u7387\uff08RPS\/QPS\uff09\uff1a<\/strong>\u5173\u952e\u4ee5\u5206\u949f\u6216\u79d2\u7ea7\u522b\u805a\u5408\uff0c\u7ed3\u5408\u4e1a\u52a1\u6307\u6807\u5224\u65ad\u6d41\u91cf\u5f02\u5e38\u3002<\/li>\n<li><strong>\u7f13\u5b58\u547d\u4e2d\u7387\uff08Hit Ratio\uff09\uff1a<\/strong>\u76f4\u63a5\u5f71\u54cd\u6e90\u7ad9\u56de\u6e90\u6d41\u91cf\u548c\u54cd\u5e94\u65f6\u5ef6\uff0c\u547d\u4e2d\u7387\u4e0b\u964d\u9700\u6392\u67e5\u7f13\u5b58\u89c4\u5219\u6216\u7f13\u5b58\u952e\u7b56\u7565\u3002<\/li>\n<li><strong>\u54cd\u5e94\u65f6\u95f4\u5206\u89e3\uff08DNS\u3001TLS\u3001TTFB\u3001\u4e0b\u8f7d\u65f6\u957f\uff09\uff1a<\/strong>\u7ec6\u5316\u74f6\u9888\u5b9a\u4f4d\uff0c\u4f8b\u5982 TLS \u63e1\u624b\u8017\u65f6\u957f\u53ef\u80fd\u4e0e\u8bc1\u4e66\u94fe\u3001OCSP 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Grafana\uff1a<\/strong>\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u91c7\u96c6\u4e0e\u53ef\u89c6\u5316\u7684\u4e8b\u5b9e\u6807\u51c6\uff0c\u9002\u5408\u91c7\u96c6CDN\u8fb9\u7f18\u4e0e\u540e\u7aef\u6307\u6807\uff0c\u652f\u6301Alertmanager\u5b9e\u73b0\u591a\u6e20\u9053\u544a\u8b66\uff08\u90ae\u4ef6\u3001Slack\u3001Webhook\uff09\u3002<\/li>\n<li><strong>Elasticsearch + Logstash\/Fluentd + Kibana\uff08ELK\/EFK\uff09\uff1a<\/strong>\u7528\u4e8eCDN\u8bbf\u95ee\u65e5\u5fd7\u3001\u56de\u6e90\u65e5\u5fd7\u548cWAF\u65e5\u5fd7\u7684\u7d22\u5f15\u4e0e\u5206\u6790\uff0c\u652f\u6301\u590d\u6742\u67e5\u8be2\u4e0e\u805a\u5408\u3002<\/li>\n<li><strong>OpenTelemetry \/ Jaeger\uff1a<\/strong>\u7528\u4e8e\u5206\u5e03\u5f0f\u8ffd\u8e2a\uff0c\u5b9a\u4f4d\u8fb9\u7f18-&gt;\u56de\u6e90-&gt;\u5e94\u7528\u5404\u73af\u8282\u7684\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<h3>\u5546\u7528SaaS\u4e0e\u4e13\u7528\u76d1\u63a7<\/h3>\n<ul>\n<li>Datadog\u3001New Relic 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