{"id":210209,"date":"2025-10-24T08:36:06","date_gmt":"2025-10-24T00:36:06","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210209\/"},"modified":"2025-10-24T08:36:08","modified_gmt":"2025-10-24T00:36:08","slug":"cdn-322","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210209\/","title":{"rendered":"CDN\u7f13\u5b58\u667a\u80fd\u5316\uff1a\u81ea\u52a8\u5316\u7b56\u7565\u63d0\u5347\u547d\u4e2d\u7387\u4e0e\u6027\u80fd"},"content":{"rendered":"<p>\u5728\u5f53\u4eca\u7f51\u7edc\u670d\u52a1\u9ad8\u5ea6\u5206\u6563\u4e14\u6d41\u91cf\u6a21\u5f0f\u5feb\u901f\u53d8\u5316\u7684\u73af\u5883\u4e0b\uff0c\u4f20\u7edf\u9759\u6001\u7684CDN\u7f13\u5b58\u7b56\u7565\u5df2\u96be\u4ee5\u6ee1\u8db3\u5bf9\u9ad8\u547d\u4e2d\u7387\u4e0e\u4f4e\u5ef6\u8fdf\u7684\u53cc\u91cd\u9700\u6c42\u3002\u901a\u8fc7\u5f15\u5165\u81ea\u52a8\u5316\u4e0e\u667a\u80fd\u5316\u673a\u5236\uff0cCDN\u53ef\u4ee5\u57fa\u4e8e\u5b9e\u65f6\u6570\u636e\u548c\u9884\u6d4b\u6a21\u578b\u52a8\u6001\u8c03\u6574\u7f13\u5b58\u7b56\u7565\uff0c\u4ece\u800c\u663e\u8457\u63d0\u5347\u6027\u80fd\u5e76\u964d\u4f4e\u6e90\u7ad9\u8d1f\u8f7d\u3002\u672c\u6587\u5c06\u4ece\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u3001\u4f18\u52bf\u5bf9\u6bd4\u4e0e\u9009\u8d2d\u5efa\u8bae\u56db\u4e2a\u65b9\u9762\uff0c\u6df1\u5165\u5256\u6790CDN\u7f13\u5b58\u667a\u80fd\u5316\u7684\u5b9e\u73b0\u4e0e\u843d\u5730\u8981\u70b9\uff0c\u5e2e\u52a9\u7ad9\u957f\u3001\u4f01\u4e1a\u4e0e\u5f00\u53d1\u8005\u5728\u9009\u62e9\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u5176\u4ed6\u6d77\u5916\u8282\u70b9\u90e8\u7f72\u65f6\u5236\u5b9a\u66f4\u5408\u7406\u7684\u7f13\u5b58\u7b56\u7565\u3002<\/p>\n<h2>\u539f\u7406\u4e0e\u5173\u952e\u6280\u672f\u6784\u6210<\/h2>\n<p>\u667a\u80fd\u5316CDN\u7f13\u5b58\u7684\u6838\u5fc3\u5728\u4e8e\u5c06\u4f20\u7edf\u7684\u89c4\u5219\u5f15\u64ce\u4e0e\u6570\u636e\u9a71\u52a8\u7684\u51b3\u7b56\u7cfb\u7edf\u7ed3\u5408\uff0c\u5f62\u6210\u4e00\u4e2a\u80fd\u591f\u5b9e\u65f6\u611f\u77e5\u6d41\u91cf\u3001\u81ea\u52a8\u8c03\u6574\u7f13\u5b58\u952e\u3001TTL\uff08Time 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Compute\uff09\u5b9e\u73b0\u5b9e\u65f6\u5224\u5b9a\u4e0e\u5185\u5bb9\u62fc\u63a5\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u56de\u6e90\u3002<\/li>\n<li>\u7ed3\u5408Origin Shield\u6216\u4e2d\u5fc3\u5316\u56de\u6e90\u9650\u6d41\u7b56\u7565\uff0c\u51cf\u5c11\u6e90\u7ad9\u538b\u529b\uff0c\u9002\u7528\u4e8e\u90e8\u7f72\u5728\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u6216\u5176\u4ed6\u6d77\u5916\u670d\u52a1\u5668\u7684\u4e1a\u52a1\u3002<\/li>\n<\/ul>\n<h2>\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u5b9e\u73b0\u7ec6\u8282<\/h2>\n<h3>\u9759\u6001\u7f51\u7ad9\u4e0e\u8d44\u6e90\u5e93\uff08\u56fe\u7247\u3001JS\/CSS\uff09<\/h3>\n<p>\u9759\u6001\u8d44\u6e90\u662f\u6700\u9002\u5408\u667a\u80fd\u7f13\u5b58\u4f18\u5316\u7684\u5bf9\u8c61\u3002\u5b9e\u8df5\u4e2d\uff0c\u53ef\u5c06\u957f\u5c3e\u9759\u6001\u8d44\u6e90\u8bbe\u4e3a\u8f83\u957fTTL\uff0c\u5e76\u542f\u7528\u667a\u80fd\u538b\u7f29\uff08Brotli\/Gzip\uff09\u4e0e\u54cd\u5e94\u4f53\u5c0f\u6587\u4ef6\u5408\u5e76\uff08bundle\uff09\u3002\u5bf9\u4e8e\u90e8\u7f72\u5728\u9999\u6e2f\u670d\u52a1\u5668\u6216\u65b0\u52a0\u5761\u670d\u52a1\u5668\u7684\u5185\u5bb9\u5206\u53d1\uff0c\u8fb9\u7f18\u8282\u70b9\u53ef\u57fa\u4e8e\u5730\u57df\u8bbf\u95ee\u70ed\u5ea6\u81ea\u52a8\u5ef6\u957fTTL\u5e76\u6267\u884c\u9884\u53d6\uff0c\u63d0\u5347\u9999\u6e2f\u53ca\u4e9a\u6d32\u533a\u7528\u6237\u7684\u4f53\u9a8c\u3002<\/p>\n<h3>\u65b0\u95fb\u7ad9\u70b9\u4e0e\u7535\u5546\u4fc3\u9500<\/h3>\n<p>\u8fd9\u7c7b\u573a\u666f\u5b58\u5728\u5f3a\u70c8\u7684\u65f6\u95f4\u76f8\u5173\u6027\u4e0e\u7a81\u53d1\u6d41\u91cf\u3002\u667a\u80fd\u7cfb\u7edf\u5e94\u7ed3\u5408\u6d3b\u52a8\u65e5\u5386\u4e0e\u5b9e\u65f6\u6d41\u91cf\u9884\u6d4b\uff0c\u5728\u4fc3\u9500\u5f00\u59cb\u524d\u5bf9\u5173\u952e\u9875\u9762\u548c\u7d20\u6750\u505a\u7f13\u5b58\u6696\u673a\uff0c\u5e76\u5728\u9ad8\u5cf0\u671f\u5bf9\u975e\u5173\u952e\u5019\u9009\u8d44\u6e90\u4f7f\u7528stale-while-revalidate\u6216stale-if-error\u7b56\u7565\uff0c\u786e\u4fdd\u54cd\u5e94\u53ef\u7528\u6027\u540c\u65f6\u540e\u53f0\u5237\u65b0\u3002<\/p>\n<h3>API\u4e0e\u52a8\u6001\u5185\u5bb9<\/h3>\n<p>\u5bf9API\u5e94\u7cbe\u7ec6\u533a\u5206\u53ef\u7f13\u5b58\u4e0e\u4e0d\u53ef\u7f13\u5b58\u54cd\u5e94\u3002\u53ef\u7f13\u5b58\u7684\u67e5\u8be2\u7ed3\u679c\uff08\u5982\u641c\u7d22\u7ed3\u679c\u3001\u6392\u884c\u699c\uff09\u53ef\u4f7f\u7528\u77edTTL+ETag\/Last-Modified\u5b9e\u73b0\u6761\u4ef6GET\uff0c\u914d\u5408Edge Compute\u505a\u90e8\u5206\u805a\u5408\u6216\u53bb\u91cd\uff0c\u51cf\u5c11\u5bf9\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u82f1\u56fd\/\u65e5\u672c\/\u97e9\u56fd\u7b49\u6d77\u5916\u670d\u52a1\u5668\u56de\u6e90\u538b\u529b\u3002<\/p>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u667a\u80fd\u5316\u4e0e\u4f20\u7edf\u9759\u6001\u7b56\u7565<\/h2>\n<p>\u4e0e\u9759\u6001\u914d\u7f6e\u76f8\u6bd4\uff0c\u667a\u80fd\u5316\u7f13\u5b58\u7b56\u7565\u5728\u4ee5\u4e0b\u51e0\u65b9\u9762\u4f18\u52bf\u663e\u8457\uff1a<\/p>\n<ul>\n<li><strong>\u547d\u4e2d\u7387\u63d0\u5347<\/strong>\uff1a\u901a\u8fc7\u67e5\u8be2\u53c2\u6570\u89c4\u8303\u5316\u3001\u7f13\u5b58\u952e\u5408\u5e76\u4e0e\u52a8\u6001TTL\uff0c\u663e\u8457\u51cf\u5c11\u540c\u4e00\u8d44\u6e90\u56e0\u53c2\u6570\u533a\u522b\u9020\u6210\u7684\u4f4e\u547d\u4e2d\u3002<\/li>\n<li><strong>\u5ef6\u8fdf\u964d\u4f4e<\/strong>\uff1a\u9884\u6d4b\u6027\u7f13\u5b58\u4e0e\u8fb9\u7f18\u6696\u673a\u51cf\u5c11\u51b7\u7f13\u5b58\u56de\u6e90\uff0c\u7528\u6237\u5e73\u5747\u54cd\u5e94\u65f6\u95f4\u4e0b\u964d\uff0c\u7279\u522b\u662f\u90e8\u7f72\u5728\u9999\u6e2f\u670d\u52a1\u5668\u6216\u97e9\u56fd\u670d\u52a1\u5668\u9762\u5411\u533a\u57df\u7528\u6237\u65f6\u6548\u679c\u660e\u663e\u3002<\/li>\n<li><strong>\u6e90\u7ad9\u6210\u672c\u4e0b\u964d<\/strong>\uff1aOrigin Shield\u4e0e\u667a\u80fd\u56de\u6e90\u9650\u6d41\u51cf\u5c11\u5cf0\u503c\u56de\u6e90\u8bf7\u6c42\uff0c\u5bf9\u6258\u7ba1\u5728\u7f8e\u56fdVPS\u6216\u9999\u6e2fVPS\u7684\u6e90\u7ad9\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n<li><strong>\u53ef\u7528\u6027\u63d0\u5347<\/strong>\uff1a\u5728\u6e90\u7ad9\u6545\u969c\u6216\u7f51\u7edc\u6296\u52a8\u65f6\uff0c\u4f7f\u7528stale-while-revalidate\/stale-if-error\u4fdd\u8bc1\u670d\u52a1\u6301\u7eed\u53ef\u7528\u3002<\/li>\n<\/ul>\n<p>\u5f53\u7136\uff0c\u667a\u80fd\u5316\u4e5f\u5e26\u6765\u590d\u6742\u6027\uff1a\u76d1\u63a7\u4e0e\u6a21\u578b\u8bad\u7ec3\u6210\u672c\u3001\u7b56\u7565\u56de\u6eda\u98ce\u9669\u4ee5\u53ca\u5bf9\u9690\u79c1\/\u7f13\u5b58\u4e00\u81f4\u6027\u7684\u7ba1\u7406\u9700\u6c42\uff0c\u8fd9\u8981\u6c42\u8fd0\u7ef4\u56e2\u961f\u5177\u5907\u4e00\u5b9a\u7684\u6570\u636e\u80fd\u529b\u4e0e\u81ea\u52a8\u5316\u8fd0\u7ef4\u4f53\u7cfb\u3002<\/p>\n<h2>\u843d\u5730\u5b9e\u65bd\u5efa\u8bae\u4e0e\u9009\u8d2d\u6307\u5357<\/h2>\n<h3>\u76d1\u63a7\u4e0e\u6307\u6807\u4f53\u7cfb\u5148\u884c<\/h3>\n<p>\u5728\u5b9e\u65bd\u667a\u80fd\u5316\u524d\uff0c\u5fc5\u987b\u5efa\u7acb\u5b8c\u6574\u7684\u89c2\u6d4b\u5e73\u53f0\uff0c\u5173\u952e\u6307\u6807\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8bf7\u6c42\u547d\u4e2d\u7387\uff08Request Hit Ratio\uff09\u4e0e\u5b57\u8282\u547d\u4e2d\u7387\uff08Byte Hit 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