{"id":210203,"date":"2025-10-24T07:38:24","date_gmt":"2025-10-23T23:38:24","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210203\/"},"modified":"2025-10-24T07:38:25","modified_gmt":"2025-10-23T23:38:25","slug":"cdn-320","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210203\/","title":{"rendered":"\u7a81\u7834\u5ef6\u8fdf\u74f6\u9888\uff1aCDN\u5168\u7403\u52a0\u901f\u7684\u521b\u65b0\u65b9\u6848\u4e0e\u5b9e\u8df5"},"content":{"rendered":"<p>\u968f\u7740\u5168\u7403\u4e92\u8054\u7f51\u7528\u6237\u5bf9\u5b9e\u65f6\u6027\u548c\u6d41\u7545\u6027\u8981\u6c42\u7684\u4e0d\u65ad\u63d0\u9ad8\uff0c\u5ef6\u8fdf\u5df2\u6210\u4e3a\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u7684\u5173\u952e\u74f6\u9888\u3002CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u4ece\u5355\u7eaf\u7684\u9759\u6001\u52a0\u901f\uff0c\u9010\u6b65\u6f14\u8fdb\u4e3a\u8986\u76d6\u52a8\u6001\u8def\u7531\u4f18\u5316\u3001\u534f\u8bae\u5347\u7ea7\u3001\u8fb9\u7f18\u8ba1\u7b97\u4e0e\u5b89\u5168\u9632\u62a4\u7684\u4e00\u4f53\u5316\u5e73\u53f0\u3002\u672c\u6587\u56f4\u7ed5\u201c\u7a81\u7834\u5ef6\u8fdf\u74f6\u9888\u201d\u7684\u6280\u672f\u8def\u5f84\u4e0e\u5b9e\u8df5\u65b9\u6848\uff0c\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u901a\u8fc7 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BBR\uff09\u6765\u89c4\u907f\u62e5\u5835\u94fe\u8def\uff0c\u5e76\u52a8\u6001\u9009\u62e9\u6700\u77ed\u65f6\u5ef6\u8def\u5f84\u3002\u5bf9\u4e8e\u8fde\u63a5\u5230\u6d77\u5916\u670d\u52a1\u5668\uff08\u5982\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u7684\u7528\u6237\uff0c\u8fd9\u79cd\u94fe\u8def\u4f18\u5316\u80fd\u5e26\u6765\u7a33\u5b9a\u7684\u4f4e\u5ef6\u8fdf\u8bbf\u95ee\u4f53\u9a8c\u3002<\/p>\n<h3>4. \u52a8\u6001\u5185\u5bb9\u52a0\u901f\u4e0e\u8fb9\u7f18\u8ba1\u7b97<\/h3>\n<p>\u4f20\u7edf CDN \u64c5\u957f\u9759\u6001\u8d44\u6e90\u7f13\u5b58\uff0c\u4f46\u5bf9\u52a8\u6001\u8bf7\u6c42\u4ecd\u9700\u56de\u6e90\u3002\u901a\u8fc7\u8fb9\u7f18\u8ba1\u7b97\uff08Edge Compute \/ Edge Workers\uff09\uff0c\u90e8\u5206\u4e1a\u52a1\u903b\u8f91\uff08\u8ba4\u8bc1\u3001\u6e32\u67d3\u3001A\/B \u6d4b\u8bd5\uff09\u53ef\u4ee5\u5728 PoP \u5c31\u5730\u6267\u884c\uff0c\u907f\u514d\u56de\u6e90\uff0c\u663e\u8457\u7f29\u77ed 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Origin Shield \u4e0e\u7f13\u5b58\u7b56\u7565<\/h3>\n<p>Origin Shield \u4f5c\u4e3a\u4e2d\u95f4\u5c42\u7f13\u5b58\uff0c\u51cf\u5c11\u4e86\u56de\u6e90\u8bf7\u6c42\u538b\u529b\u4e0e\u8de8\u6d32\u9891\u7e41\u8bbf\u95ee\u3002\u7ed3\u5408\u5408\u7406\u7684 Cache-Control\u3001ETag\u3001Vary \u7b49\u5934\u90e8\u7b56\u7565\uff0c\u4ee5\u53ca\u4e3b\u52a8\u9884\u70ed\uff08pre-warm\uff09\u4e0e\u5206\u5c42\u7f13\u5b58\u7b56\u7565\uff0c\u53ef\u4ee5\u5728\u4fdd\u8bc1\u65b0\u9c9c\u5ea6\u7684\u540c\u65f6\u6700\u5927\u5316\u8fb9\u7f18\u547d\u4e2d\u7387\u3002<\/p>\n<h2>\u4e0d\u540c\u5e94\u7528\u573a\u666f\u7684\u5b9e\u8df5\u7b56\u7565<\/h2>\n<h3>1. \u9759\u6001\u5185\u5bb9\u4e0e\u5a92\u4f53\u5206\u53d1\uff08\u56fe\u7247\u3001\u89c6\u9891\uff09<\/h3>\n<p>\u5bf9\u9759\u6001\u8d44\u6e90\u5efa\u8bae\u91c7\u7528\u957f\u7f13\u5b58\u7b56\u7565\u3001\u5206\u7247\u4e0a\u4f20\u548c\u5206\u6bb5\u4e0b\u8f7d\uff08Range Requests\uff09\u914d\u5408\u591a CDN 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