{"id":210191,"date":"2025-10-24T07:23:04","date_gmt":"2025-10-23T23:23:04","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210191\/"},"modified":"2025-10-24T07:23:05","modified_gmt":"2025-10-23T23:23:05","slug":"cdn-314","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210191\/","title":{"rendered":"CDN\u667a\u80fd\u8c03\u5ea6\uff1a\u5168\u9762\u63d0\u5347\u6027\u80fd\u7684\u5173\u952e\u7b56\u7565"},"content":{"rendered":"<p>\u5728\u5168\u7403\u4e92\u8054\u7f51\u52a0\u901f\u7684\u9700\u6c42\u65e5\u76ca\u589e\u957f\u7684\u80cc\u666f\u4e0b\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u4e0d\u4ec5\u4ec5\u662f\u9759\u6001\u8d44\u6e90\u7f13\u5b58\u7684\u5de5\u5177\uff0c\u66f4\u6210\u4e3a\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3001\u4f18\u5316\u6210\u672c\u548c\u4fdd\u969c\u53ef\u7528\u6027\u7684\u6838\u5fc3\u57fa\u7840\u8bbe\u65bd\u3002\u9488\u5bf9\u7ad9\u957f\u3001\u4f01\u4e1a\u548c\u5f00\u53d1\u8005\uff0c\u672c\u6587\u4ece\u539f\u7406\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u3001\u4f18\u52bf\u5bf9\u6bd4\u4e0e\u9009\u8d2d\u5efa\u8bae\u56db\u4e2a\u7ef4\u5ea6\uff0c\u6df1\u5165\u5256\u6790\u201cCDN\u667a\u80fd\u8c03\u5ea6\u201d\u5982\u4f55\u6210\u4e3a\u5168\u9762\u63d0\u5347\u6027\u80fd\u7684\u5173\u952e\u7b56\u7565\u3002<\/p>\n<h2>CDN\u667a\u80fd\u8c03\u5ea6\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p><strong>\u667a\u80fd\u8c03\u5ea6<\/strong>\u6307\u7684\u662f\u6309\u7167\u9884\u8bbe\u7b56\u7565\u548c\u5b9e\u65f6\u7f51\u7edc\u72b6\u51b5\uff0c\u5c06\u7528\u6237\u8bf7\u6c42\u8def\u7531\u5230\u6700\u4f18\u7684\u8fb9\u7f18\u8282\u70b9\u6216\u56de\u6e90\u8def\u5f84\uff0c\u4ece\u800c\u6700\u5927\u5316\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u5176\u5b9e\u73b0\u901a\u5e38\u4f9d\u8d56\u4ee5\u4e0b\u6280\u672f\u7ec4\u4ef6\uff1a<\/p>\n<ul>\n<li><strong>Anycast 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Anycast\uff0b\u591a\u5730\u57df POP\uff0c\u5e76\u4f7f\u7528\u957f TTL \u7f13\u5b58\u4e0e\u5408\u7406\u7684 Cache-Control \u7b56\u7565\uff1b\u5728\u9ad8\u5cf0\u6216\u94fe\u8def\u5f02\u5e38\u65f6\u5229\u7528 GeoDNS \u505a\u533a\u57df\u5316\u56de\u6e90\u5207\u6362\u3002<\/li>\n<li>\u6ce8\u610f\u70b9\uff1a\u9488\u5bf9\u4e0d\u540c\u533a\u57df\uff08\u5982\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\uff09\u8c03\u4f18\u7f13\u5b58\u7b56\u7565\u4e0e\u538b\u7f29\u7b97\u6cd5\u4ee5\u9002\u914d\u7f51\u7edc\u6761\u4ef6\u3002<\/li>\n<\/ul>\n<h3>\u52a8\u6001\u5185\u5bb9\u4e0e API \u670d\u52a1\u52a0\u901f<\/h3>\n<ul>\n<li>\u573a\u666f\uff1a\u4f4e\u7f13\u5b58\u547d\u4e2d\u7387\u3001\u9700\u5b9e\u65f6\u4ea4\u4e92\u7684 API \u670d\u52a1\u3002<\/li>\n<li>\u5b9e\u73b0\u5efa\u8bae\uff1a\u91c7\u7528\u8fb9\u7f18\u8ba1\u7b97\uff08Edge Compute\uff09\u548c\u667a\u80fd\u8def\u7531\uff0c\u5c06\u90e8\u5206\u903b\u8f91\u4e0b\u6c89\u5230\u8fb9\u7f18\u8282\u70b9\u4ee5\u51cf\u5c11\u56de\u6e90\u8bf7\u6c42\uff1b\u4f7f\u7528\u8fde\u63a5\u590d\u7528\uff08HTTP\/2\u3001QUIC\uff09\u548c TLS \u4f1a\u8bdd\u91cd\u7528\u964d\u4f4e\u63e1\u624b\u5ef6\u8fdf\u3002<\/li>\n<li>\u6ce8\u610f\u70b9\uff1a\u5bf9\u4e8e\u9700\u8981\u5f3a\u4e00\u81f4\u6027\u7684\u573a\u666f\uff0c\u8003\u8651\u4f7f\u7528\u5199\u8def\u7531\u56de\u6e90\u5230\u4e3b\u6570\u636e\u4e2d\u5fc3\uff0c\u8bfb\u64cd\u4f5c\u8d70\u6700\u8fd1\u8282\u70b9\u3002<\/li>\n<\/ul>\n<h3>\u591a CDN \/ \u591a\u56de\u6e90\u7684\u6d41\u91cf\u8c03\u5ea6<\/h3>\n<ul>\n<li>\u573a\u666f\uff1a\u4e3a\u4e86\u6297DDoS\u653b\u51fb\u3001\u63d0\u9ad8\u53ef\u7528\u6027\u6216\u6210\u672c\u4f18\u5316\uff0c\u4f7f\u7528\u591a\u5bb6 CDN 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