{"id":209857,"date":"2025-10-24T00:19:54","date_gmt":"2025-10-23T16:19:54","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209857\/"},"modified":"2025-10-24T00:19:55","modified_gmt":"2025-10-23T16:19:55","slug":"cdn-163","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209857\/","title":{"rendered":"CDN\u591a\u4f9b\u5e94\u5546\u7ec4\u5408\u7b56\u7565\uff1a\u6784\u5efa\u66f4\u53ef\u9760\u3001\u66f4\u9ad8\u6548\u7684\u4ea4\u4ed8\u4f53\u7cfb"},"content":{"rendered":"<p>\u5728\u5168\u7403\u5316\u7684\u4e92\u8054\u7f51\u73af\u5883\u4e2d\uff0c\u5355\u4e00\u4f9b\u5e94\u5546\u7684CDN\u5728\u5e94\u5bf9\u590d\u6742\u7f51\u7edc\u6ce2\u52a8\u3001\u533a\u57df\u6027\u80fd\u5dee\u5f02\u548c\u4f9b\u5e94\u5546\u6545\u969c\u65f6\u5b58\u5728\u4e00\u5b9a\u98ce\u9669\u3002\u4e3a\u6b64\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u7ad9\u957f\u3001\u4f01\u4e1a\u548c\u5f00\u53d1\u56e2\u961f\u91c7\u7528<strong>CDN\u591a\u4f9b\u5e94\u5546\u7ec4\u5408\u7b56\u7565<\/strong>\uff0c\u901a\u8fc7\u591a\u4e2aCDN\u4f9b\u5e94\u5546\u5e76\u884c\u6216\u5206\u6d41\u4ea4\u4ed8\u6d41\u91cf\uff0c\u6784\u5efa\u66f4\u53ef\u9760\u3001\u66f4\u9ad8\u6548\u7684\u5185\u5bb9\u5206\u53d1\u4f53\u7cfb\u3002\u672c\u6587\u9762\u5411\u6280\u672f\u51b3\u7b56\u8005\u548c\u8fd0\u7ef4\/\u5f00\u53d1\u4eba\u5458\uff0c\u6df1\u5165\u8ba8\u8bba\u591a\u4f9b\u5e94\u5546CDN\u7684\u539f\u7406\u3001\u5b9e\u65bd\u7ec6\u8282\u3001\u5e94\u7528\u573a\u666f\u3001\u4f18\u52bf\u5bf9\u6bd4\u53ca\u9009\u8d2d\u5efa\u8bae\uff0c\u5e76\u5728\u7ed3\u5c3e\u7ed9\u51fa\u4e0e\u6d77\u5916\u670d\u52a1\u5668\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u7b49\uff09\u4e0eVPS\u914d\u5408\u7684\u5b9e\u8df5\u5efa\u8bae\u3002<\/p>\n<h2>\u539f\u7406\u4e0e\u67b6\u6784\u8981\u70b9<\/h2>\n<p>\u591a\u4f9b\u5e94\u5546CDN\u7684\u6838\u5fc3\u601d\u60f3\u662f\u5229\u7528\u4e0d\u540cCDN\u4f9b\u5e94\u5546\u5728\u5168\u7403\u7684\u8282\u70b9\uff08PoP\uff09\u3001\u7f51\u7edc\u4e92\u8054\u3001\u7f13\u5b58\u7b56\u7565\u548c\u4f20\u8f93\u4f18\u5316\u80fd\u529b\u7684\u4e92\u8865\u6027\uff0c\u901a\u8fc7\u667a\u80fd\u8c03\u5ea6\u628a\u7528\u6237\u8bf7\u6c42\u5206\u53d1\u5230\u6700\u4f18\u7684\u4f9b\u5e94\u5546\u6216\u8282\u70b9\u4e0a\u3002\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u7684\u5173\u952e\u7ec4\u4ef6\u5305\u62ec\uff1a<\/p>\n<h3>1. 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IP\uff0c\u7ed3\u5408BGP\u7b56\u7565\u4e0e\u5408\u4f5c\u4f19\u4f34ISP\u7684\u4e92\u8054\uff0c\u53ef\u4ee5\u5728\u7f51\u7edc\u5c42\u9762\u5b9e\u73b0\u8f83\u5feb\u7684\u6545\u969c\u5207\u6362\uff0c\u4f46\u8de8\u4f9b\u5e94\u5546Anycast\u534f\u8c03\u590d\u6742\u3002<\/li>\n<li><strong>HTTP \u5c42\/\u8fb9\u7f18\u91cd\u5b9a\u5411<\/strong>\uff1a\u901a\u8fc7\u8fb9\u7f18\u811a\u672c\u3001\u91cd\u5b9a\u5411\u6216\u5ba2\u6237\u7aefSDK\u5728HTTP\u5c42\u505a\u66f4\u7cbe\u7ec6\u7684\u6d41\u91cf\u62c6\u5206\u4e0e\u5b9e\u65f6\u5207\u6362\uff0c\u9002\u5408\u5bf9\u77ed\u65f6\u95f4\u6027\u80fd\u4f18\u5316\u4e0eA\/B\u6d4b\u8bd5\u3002<\/li>\n<\/ul>\n<h3>2. \u5065\u5eb7\u68c0\u67e5\u4e0e\u5b9e\u65f6\u76d1\u63a7<\/h3>\n<p>\u8981\u5b9e\u73b0\u9ad8\u53ef\u7528\uff0c\u591a\u4f9b\u5e94\u5546\u7ec4\u5408\u5fc5\u987b\u5177\u5907\u4e25\u683c\u7684\u5065\u5eb7\u68c0\u67e5\u673a\u5236\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u4e3b\u52a8\u5408\u6210\u76d1\u6d4b\uff08Synthetic Monitoring\uff09\uff1a\u4ece\u5168\u7403\u4e0d\u540c\u76d1\u6d4b\u70b9\u5b9a\u671f\u53d1\u8d77\u8bf7\u6c42\uff0c\u6d4b\u91cfDNS\u89e3\u6790\u65f6\u95f4\u3001TCP\u63e1\u624b\u3001TLS\u5efa\u7acb\u3001TTFB\u3001\u4e0b\u8f7d\u901f\u7387\u7b49\u3002<\/li>\n<li>\u771f\u5b9e\u7528\u6237\u76d1\u63a7\uff08RUM \/ Real User Monitoring\uff09\uff1a\u91c7\u96c6\u7528\u6237\u7aef\u6027\u80fd\u6570\u636e\uff08\u5bfc\u822a\u65f6\u95f4\u3001\u8d44\u6e90\u52a0\u8f7d\u65f6\u95f4\u3001\u5ba2\u6237\u7aef\u5730\u7406\u4fe1\u606f\uff09\uff0c\u5e2e\u52a9\u505a\u57fa\u4e8e\u5b9e\u9645\u4f53\u9a8c\u7684\u6d41\u91cf\u51b3\u7b56\u3002<\/li>\n<li>\u8fb9\u7f18\u4e0e\u6e90\u7ad9\u5065\u5eb7\u63a2\u6d4b\uff1a\u4e0d\u4ec5\u63a2\u6d4bCDN\u8282\u70b9\u53ef\u7528\u6027\uff0c\u4e5f\u8981\u68c0\u6d4b\u6e90\u7ad9\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u7684\u54cd\u5e94\u6027\uff0c\u907f\u514d\u56e0\u6e90\u7ad9\u95ee\u9898\u8bef\u5224CDN\u6545\u969c\u3002<\/li>\n<\/ul>\n<h3>3. 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Shield\u7279\u6027\uff0c\u51cf\u5c11\u6e90\u7ad9\u8bf7\u6c42\u538b\u529b\u3002<\/li>\n<li>\u5206\u533a\u57df\u7f13\u5b58\u8c03\u6574\uff1a\u4f8b\u5982\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u6216\u65b0\u52a0\u5761\u670d\u52a1\u5668\u9762\u5411\u4e9a\u6d32\u7528\u6237\u65f6\uff0c\u53ef\u8bbe\u7f6e\u66f4\u9ad8\u7684\u672c\u5730\u533a\u57dfTTL\uff0c\u800c\u5bf9\u5176\u4ed6\u533a\u57df\u4f7f\u7528\u8f83\u77edTTL\u4ee5\u4fbf\u5feb\u901f\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u5b9e\u8df5<\/h2>\n<h3>1. \u707e\u5907\u4e0e\u9ad8\u53ef\u7528<\/h3>\n<p>\u5f53\u4e3b\u8981CDN\u906d\u9047DDoS\u3001\u8def\u7531\u5f02\u5e38\u6216\u8282\u70b9\u5927\u9762\u79ef\u6545\u969c\u65f6\uff0c\u591a\u4f9b\u5e94\u5546\u7b56\u7565\u80fd\u5728\u51e0\u5206\u949f\u751a\u81f3\u79d2\u7ea7\u5185\u901a\u8fc7DNS\u5207\u6362\u3001\u8fb9\u7f18\u91cd\u5b9a\u5411\u6216\u6d41\u91cf\u56de\u6d41\u5c06\u6d41\u91cf\u5207\u6362\u5230\u5907\u7528CDN\uff0c\u4ece\u800c\u4fdd\u8bc1\u7f51\u7ad9\/\u5e94\u7528\u6301\u7eed\u5728\u7ebf\u3002\u5bf9\u4e8e\u4f9d\u8d56\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\u4f5c\u4e3a\u6e90\u7ad9\u7684\u4e1a\u52a1\uff0c\u63d0\u524d\u89c4\u5212\u5907\u7528\u6e90\u7ad9\uff08\u4f8b\u5982\u5728\u65b0\u52a0\u5761\u670d\u52a1\u5668\u6216\u65e5\u672c\u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u955c\u50cf\uff09\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u6062\u590d\u80fd\u529b\u3002<\/p>\n<h3>2. \u6027\u80fd\u4f18\u5316\uff08\u5168\u7403\u4e0e\u533a\u57df\u6027\uff09<\/h3>\n<p>\u4e0d\u540cCDN\u5728\u4e0d\u540c\u56fd\u5bb6\u548c\u7f51\u7edc\u8fd0\u8425\u5546\uff08ISP\uff09\u4e4b\u95f4\u8868\u73b0\u5dee\u5f02\u663e\u8457\u3002\u901a\u8fc7\u5bf9\u6bd4RUM\u6570\u636e\u548c\u5408\u6210\u76d1\u6d4b\uff0c\u53ef\u4ee5\u9488\u5bf9\u6027\u5c06\u6765\u81ea\u65e5\u672c\u3001\u97e9\u56fd\u6216\u4e2d\u56fd\u5927\u9646\u5468\u8fb9\u7684\u6d41\u91cf\u5bfc\u5411\u5728\u4e9a\u592a\u8868\u73b0\u66f4\u597d\u7684\u4f9b\u5e94\u5546\uff0c\u800c\u5c06\u6b27\u7f8e\u6d41\u91cf\u5bfc\u5411\u5728\u7f8e\u6d32\u6709\u4f18\u52bf\u7684\u4f9b\u5e94\u5546\uff08\u4f8b\u5982\u63a5\u5165\u7f8e\u56fdVPS\u6216\u7f8e\u56fd\u670d\u52a1\u5668\u7684\u573a\u666f\uff09\uff0c\u4ee5\u83b7\u5f97\u66f4\u4f4e\u5ef6\u8fdf\u548c\u66f4\u9ad8\u541e\u5410\u3002<\/p>\n<h3>3. \u6210\u672c\u4e0e\u5e26\u5bbd\u4f18\u5316<\/h3>\n<p>\u7ed3\u5408\u8ba1\u8d39\u6a21\u5f0f\uff08\u6309\u6d41\u91cf\u8ba1\u8d39\u3001\u6309\u8bf7\u6c42\u8ba1\u8d39\u6216\u6309\u533a\u57df\u5b9a\u4ef7\uff09\uff0c\u53ef\u4ee5\u6309\u6d41\u91cf\u5cf0\u503c\u3001\u89c6\u9891\u70b9\u64ad\u3001\u9759\u6001\u8d44\u6e90\u6216API\u8bf7\u6c42\u7c7b\u578b\u8fdb\u884c\u667a\u80fd\u5206\u914d\uff0c\u964d\u4f4e\u603b\u4f53CDN\u6210\u672c\u3002\u4f8b\u5982\u628a\u5927\u91cf\u9759\u6001\u5927\u6587\u4ef6\u653e\u5230\u4ef7\u683c\u53cb\u597d\u7684\u4f9b\u5e94\u5546\uff0c\u800c\u628a\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u5c0f\u6587\u4ef6\u653e\u5230\u9ad8\u6027\u80fd\u4f46\u5355\u4ef7\u66f4\u9ad8\u7684CDN\u3002<\/p>\n<h3>4. 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\u591a\u4f9b\u5e94\u5546\u7ec4\u5408<\/h2>\n<ul>\n<li><strong>\u53ef\u9760\u6027<\/strong>\uff1a\u591a\u4f9b\u5e94\u5546\u663e\u8457\u63d0\u5347\u6545\u969c\u9694\u79bb\u80fd\u529b\uff0c\u5355\u4e00\u4f9b\u5e94\u5546\u5728\u906d\u9047\u5927\u8303\u56f4\u6545\u969c\u65f6\u96be\u4ee5\u4fdd\u8bc1\u53ef\u7528\u6027\u3002<\/li>\n<li><strong>\u6027\u80fd\u5f39\u6027<\/strong>\uff1a\u901a\u8fc7\u6309\u9700\u9009\u62e9\u6700\u4f73\u8def\u5f84\u4e0e\u8282\u70b9\uff0c\u591a\u4f9b\u5e94\u5546\u901a\u5e38\u5728\u5e73\u5747\u5ef6\u8fdf\u548c\u6296\u52a8\u4e0a\u4f18\u4e8e\u5355\u4e00\u4f9b\u5e94\u5546\uff0c\u5c24\u5176\u662f\u8de8\u533a\u57df\u573a\u666f\u3002<\/li>\n<li><strong>\u63a7\u5236\u590d\u6742\u5ea6<\/strong>\uff1a\u591a\u4f9b\u5e94\u5546\u5e26\u6765\u66f4\u9ad8\u7684\u8fd0\u7ef4\u590d\u6742\u5ea6\uff1a\u914d\u7f6e\u7ba1\u7406\u3001\u8bc1\u4e66\u540c\u6b65\u3001\u65e5\u5fd7\u805a\u5408\u548c\u8ba1\u8d39\u5bf9\u8d26\u90fd\u9700\u989d\u5916\u5de5\u4f5c\u3002<\/li>\n<li><strong>\u6210\u672c\u7ba1\u7406<\/strong>\uff1a\u591a\u4f9b\u5e94\u5546\u6709\u5229\u4e8e\u6210\u672c\u4f18\u5316\uff0c\u4f46\u4e5f\u9700\u8981\u6295\u5165\u4eba\u5458\u548c\u81ea\u52a8\u5316\u5e73\u53f0\u6765\u7ba1\u7406\u7b56\u7565\u548c\u5207\u6362\u89c4\u5219\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027<\/strong>\uff1a\u591a\u4f9b\u5e94\u5546\u80fd\u5206\u6563DDoS\u98ce\u9669\uff0c\u4f46\u5b89\u5168\u7b56\u7565\uff08WAF\u89c4\u5219\u3001ACL\u7b49\uff09\u9700\u5728\u5404\u5bb6\u540c\u6b65\uff0c\u907f\u514d\u7b56\u7565\u4e0d\u4e00\u81f4\u5bfc\u81f4\u98ce\u9669\u66b4\u9732\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u65bd\u7ec6\u8282\u4e0e\u6280\u672f\u5efa\u8bae<\/h2>\n<h3>1. 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