{"id":29084,"date":"2026-01-06T15:27:15","date_gmt":"2026-01-06T07:27:15","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/does-cdn-caching-really-slow-down-your-website\/"},"modified":"2026-01-06T15:31:42","modified_gmt":"2026-01-06T07:31:42","slug":"does-cdn-caching-really-slow-down-your-website","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/knowledge\/does-cdn-caching-really-slow-down-your-website\/","title":{"rendered":"CDN\u7f13\u5b58\u771f\u7684\u4f1a\u964d\u4f4e\u60a8\u7684\u7f51\u7ad9\u901f\u5ea6\u5417\uff1f"},"content":{"rendered":"<p>\u5728\u7f51\u7ad9\u6027\u80fd\u4f18\u5316\u9886\u57df\uff0c<a href=\"https:\/\/www.varidata.com\/zh-cn\/knowledge\/how-does-streaming-cdn-achieve-acceleration\/\" target=\"_blank\">\u5185\u5bb9\u5206\u53d1\u7f51\u7edc(CDN\u7f13\u5b58)<\/a>\u5df2\u6210\u4e3a<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/hk\/cn2\/\" target=\"_blank\">\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528<\/a>\u7f51\u7ad9\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\u7ec4\u4ef6\u3002\u867d\u7136\u8bb8\u591a\u5f00\u53d1\u4eba\u5458\u8ba4\u53efCDN\u89e3\u51b3\u65b9\u6848\u80fd\u591f\u63d0\u5347\u5185\u5bb9\u4f20\u8f93\u901f\u5ea6\uff0c\u4f46\u5176\u4ed6\u4eba\u5728\u5b9e\u65bd\u540e\u5374\u9047\u5230\u4e86\u610f\u5916\u7684\u6027\u80fd\u74f6\u9888\u3002\u672c\u6280\u672f\u8c03\u67e5\u6df1\u5165\u63a2\u8ba8CDN\u7f13\u5b58\u7684\u5e95\u5c42\u673a\u5236\uff0c\u5206\u6790\u5176\u6f5c\u5728\u4f18\u52bf\u548c\u52a3\u52bf\uff0c\u7279\u522b\u5173\u6ce8\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u7684\u90e8\u7f72\u60c5\u51b5\u3002<\/p>\n<h2><strong>\u7406\u89e3CDN\u7f13\u5b58\u673a\u5236<\/strong><\/h2>\n<p>\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\u4f5c\u4e3a\u4e00\u4e2a\u590d\u6742\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0c\u5728\u5168\u7403\u591a\u4e2a\u6570\u636e\u4e2d\u5fc3\u6218\u7565\u6027\u5730\u90e8\u7f72\u4ee3\u7406\u670d\u52a1\u5668\u3002\u8fd9\u4e9b\u8fb9\u7f18\u8282\u70b9\u534f\u540c\u5de5\u4f5c\uff0c\u6839\u636e\u7528\u6237\u7684\u5730\u7406\u4f4d\u7f6e\u63d0\u4f9b\u5185\u5bb9\u7f13\u5b58\u548c\u670d\u52a1\uff0c\u901a\u8fc7\u667a\u80fd\u5185\u5bb9\u5206\u53d1\u7b97\u6cd5\u7406\u8bba\u4e0a\u53ef\u4ee5\u51cf\u5c11\u5ef6\u8fdf\u5e76\u63d0\u9ad8\u7f51\u7ad9\u6027\u80fd\u3002\u5176\u57fa\u672c\u67b6\u6784\u5305\u542b\u591a\u4e2a\u7f13\u5b58\u5c42\u673a\u5236\uff0c\u6bcf\u5c42\u90fd\u9488\u5bf9\u7279\u5b9a\u7c7b\u578b\u7684\u5185\u5bb9\u548c\u8bbf\u95ee\u6a21\u5f0f\u8fdb\u884c\u4f18\u5316\u3002<\/p>\n<ul>\n<li>\u8fb9\u7f18\u8282\u70b9\u5206\u5e03\uff1a\n<ul>\n<li>\u8003\u8651\u6d41\u91cf\u6a21\u5f0f\u548c\u7528\u6237\u5bc6\u5ea6\u7684\u5168\u7403\u7f51\u7edc\u8282\u70b9\u6218\u7565\u90e8\u7f72<\/li>\n<li>\u5197\u4f59\u8282\u70b9\u90e8\u7f72\u4ee5\u786e\u4fdd\u9ad8\u53ef\u7528\u6027\u548c\u5bb9\u9519\u80fd\u529b<\/li>\n<li>\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u7cfb\u7edf\u4ee5\u7ef4\u6301\u6301\u7eed\u670d\u52a1\u4ea4\u4ed8<\/li>\n<\/ul>\n<\/li>\n<li>\u7f13\u5b58\u5b58\u50a8\u5c42\u7ea7\uff1a\n<ul>\n<li>L1\u7f13\u5b58\uff1a\u7528\u4e8e\u9891\u7e41\u8bbf\u95ee\u5185\u5bb9\u7684\u9ad8\u901f\u5185\u5b58\u7f13\u5b58<\/li>\n<li>L2\u7f13\u5b58\uff1a\u7528\u4e8e\u4e2d\u7b49\u4f18\u5148\u7ea7\u8d44\u6e90\u7684SSD\u5b58\u50a8<\/li>\n<li>L3\u7f13\u5b58\uff1a\u7528\u4e8e\u8f83\u5c11\u8bbf\u95ee\u5185\u5bb9\u7684HDD\u5b58\u50a8<\/li>\n<li>\u57fa\u4e8e\u8bbf\u95ee\u6a21\u5f0f\u7684\u667a\u80fd\u5185\u5bb9\u4f18\u5148\u7ea7\u6392\u5e8f<\/li>\n<\/ul>\n<\/li>\n<li>\u8bf7\u6c42\u6d41\u7a0b\u67b6\u6784\uff1a\n<ul>\n<li>\u5229\u7528\u5b9e\u65f6\u7f51\u7edc\u72b6\u51b5\u7684\u9ad8\u7ea7\u8def\u7531\u7b97\u6cd5<\/li>\n<li>\u57fa\u4e8e\u5f53\u524d\u670d\u52a1\u5668\u8d1f\u8f7d\u7684\u52a8\u6001\u8def\u5f84\u4f18\u5316<\/li>\n<li>\u4f7f\u7528\u673a\u5668\u5b66\u4e60\u6a21\u578b\u7684\u9884\u6d4b\u6027\u7f13\u5b58\u673a\u5236<\/li>\n<li>\u5a92\u4f53\u5185\u5bb9\u7684\u81ea\u9002\u5e94\u6bd4\u7279\u7387\u6d41\u5a92\u4f53<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>CDN\u53ef\u80fd\u5f71\u54cd\u6027\u80fd\u7684\u6280\u672f\u573a\u666f<\/strong><\/h2>\n<p>\u5c3d\u7ba1\u73b0\u4ee3CDN\u67b6\u6784\u5341\u5206\u590d\u6742\uff0c\u67d0\u4e9b\u6280\u672f\u914d\u7f6e\u548c\u573a\u666f\u4ecd\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u7406\u89e3\u8fd9\u4e9b\u6f5c\u5728\u95ee\u9898\u5bf9\u4e8e\u5b9e\u65bd\u6709\u6548\u7684\u4f18\u5316\u7b56\u7565\u81f3\u5173\u91cd\u8981\u3002\u6211\u4eec\u7684\u5206\u6790\u63ed\u793a\u4e86\u51e0\u4e2aCDN\u5b9e\u65bd\u53ef\u80fd\u65e0\u610f\u4e2d\u964d\u4f4e\u7f51\u7ad9\u901f\u5ea6\u7684\u5173\u952e\u9886\u57df\uff1a<\/p>\n<ol>\n<li>DNS\u89e3\u6790\u5f00\u9500\n<ul>\n<li>CDN\u57df\u540d\u7684\u989d\u5916DNS\u67e5\u8be2\u65f6\u95f4\u53ef\u80fd\u589e\u52a020-100ms\u5ef6\u8fdf<\/li>\n<li>CNAME\u94fe\u89e3\u6790\u5ef6\u8fdf\uff0c\u5728\u591a\u5c42CDN\u65f6\u5c24\u5176\u95ee\u9898<\/li>\n<li>DNS TTL\u914d\u7f6e\u5f71\u54cd\u5bfc\u81f4\u8def\u7531\u51b3\u7b56\u4e0d\u4e00\u81f4<\/li>\n<li>\u4e0d\u540cISP\u7684\u9012\u5f52DNS\u89e3\u6790\u5668\u6027\u80fd\u5dee\u5f02<\/li>\n<\/ul>\n<\/li>\n<li>\u7f13\u5b58\u672a\u547d\u4e2d\u573a\u666f\n<ul>\n<li>\u521d\u59cb\u5185\u5bb9\u8bf7\u6c42\u671f\u95f4\u7684\u51b7\u7f13\u5b58\u6027\u80fd\u635f\u5931<\/li>\n<li>\u6e90\u7ad9\u5c4f\u853d\u7ed5\u8fc7\u5bfc\u81f4\u6e90\u7ad9\u670d\u52a1\u5668\u6d41\u91cf\u6fc0\u589e<\/li>\n<li>\u8fc7\u671f\u5185\u5bb9\u6e05\u9664\u5ef6\u8fdf\u5f71\u54cd\u5185\u5bb9\u4e00\u81f4\u6027<\/li>\n<li>\u56e0\u67e5\u8be2\u53c2\u6570\u6216cookie\u914d\u7f6e\u4e0d\u540c\u5bfc\u81f4\u7684\u7f13\u5b58\u788e\u7247\u5316<\/li>\n<\/ul>\n<\/li>\n<li>\u7f51\u7edc\u8def\u5f84\u590d\u6742\u6027\n<ul>\n<li>BGP\u8def\u7531\u6548\u7387\u4f4e\u4e0b\u5bfc\u81f4\u6b21\u4f18\u8def\u5f84\u9009\u62e9<\/li>\n<li>\u591a\u6b21\u63e1\u624b\u4ea7\u751f\u7684TCP\u8fde\u63a5\u5f00\u9500<\/li>\n<li>SSL\/TLS\u63e1\u624b\u5ef6\u8fdf\uff0c\u5c24\u5176\u662f\u4f7f\u7528\u8f83\u65e7\u534f\u8bae\u65f6<\/li>\n<li>CDN\u8282\u70b9\u4e4b\u95f4\u4e2d\u7a0b\u7f51\u7edc\u62e5\u5835<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u9999\u6e2f\u670d\u52a1\u5668\u4e13\u5c5e\u4f18\u5316\u7b56\u7565<\/strong><\/h2>\n<p>\u5bf9\u4e8e\u4f7f\u7528\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u7684\u7f51\u7ad9\uff0c\u7531\u4e8e\u533a\u57df\u4e92\u8054\u7f51\u62d3\u6251\u548c\u6d41\u91cf\u6a21\u5f0f\u7684\u72ec\u7279\u7279\u5f81\uff0c\u9700\u8981\u91c7\u7528\u4e13\u95e8\u7684\u4f18\u5316\u65b9\u6cd5\u3002\u9999\u6e2f\u4f5c\u4e3a\u4e9a\u6d32\u4e3b\u8981\u4e92\u8054\u7f51\u67a2\u7ebd\u7684\u5730\u4f4d\u4e3aCDN\u4f18\u5316\u5e26\u6765\u673a\u9047\u4e0e\u6311\u6218\uff1a<\/p>\n<ul>\n<li>\u533a\u57df\u8fb9\u7f18\u8282\u70b9\u9009\u62e9\n<ul>\n<li>\u4f18\u5148\u8003\u8651\u4e0e\u4e2d\u56fd\u4e3b\u8981ISP\u76f4\u63a5\u5bf9\u7b49\u4e92\u8fde\u7684\u4e9a\u592aPOP<\/li>\n<li>\u914d\u7f6e\u5177\u6709\u667a\u80fd\u5730\u7406\u4f4d\u7f6e\u8def\u7531\u7684\u591aCDN\u6545\u969c\u8f6c\u79fb\u7cfb\u7edf<\/li>\n<li>\u5b9e\u65bd\u8003\u8651\u8de8\u5883\u5ef6\u8fdf\u7684\u9ad8\u7ea7\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5<\/li>\n<li>\u540c\u65f6\u4f18\u5316\u4e2d\u56fd\u5927\u9646\u548c\u56fd\u9645\u6d41\u91cf\u6a21\u5f0f<\/li>\n<\/ul>\n<\/li>\n<li>\u7f13\u5b58\u7b56\u7565\u4f18\u5316\n<ul>\n<li>\u57fa\u4e8e\u7528\u6237\u5730\u7406\u4f4d\u7f6e\u7684\u52a8\u6001\u4e0e\u9759\u6001\u5185\u5bb9\u5206\u79bb<\/li>\n<li>\u4f7f\u7528ETags\u548cCache-Control\u5934\u8fdb\u884c\u6d4f\u89c8\u5668\u7f13\u5b58\u534f\u8c03<\/li>\n<li>\u9488\u5bf9\u534a\u52a8\u6001\u5185\u5bb9\u5b9e\u65bd\u5fae\u7f13\u5b58<\/li>\n<li>\u7528\u4e8e\u9ad8\u6548\u7f13\u5b58\u5931\u6548\u7684\u5185\u5bb9\u7248\u672c\u63a7\u5236\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>\u6027\u80fd\u76d1\u63a7\u548c\u6307\u6807<\/strong><\/h2>\n<p>\u5b9e\u65bd\u5168\u9762\u7684\u76d1\u63a7\u7cfb\u7edf\u5bf9\u4e8e\u7ef4\u6301\u6700\u4f73CDN\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u57fa\u4e8e\u6570\u636e\u9a71\u52a8\u7684CDN\u4f18\u5316\u65b9\u6cd5\u9700\u8981\u5bc6\u5207\u5173\u6ce8\u5404\u79cd\u6027\u80fd\u6307\u6807\u5e76\u6301\u7eed\u5206\u6790\u4f7f\u7528\u6a21\u5f0f\uff1a<\/p>\n<ul>\n<li>\u5173\u952e\u6027\u80fd\u6307\u6807\uff1a\n<ul>\n<li>\u9996\u5b57\u8282\u65f6\u95f4(TTFB)\uff1a\u76d1\u63a7\u8fb9\u7f18\u670d\u52a1\u5668\u54cd\u5e94\u65f6\u95f4\uff0c\u76ee\u6807\u5c0f\u4e8e100ms<\/li>\n<li>\u7f13\u5b58\u547d\u4e2d\u7387\uff1a\u8ddf\u8e2a\u5e76\u7ef4\u6301\u6700\u4f4e85%\u7684\u7f13\u5b58\u547d\u4e2d\u7387<\/li>\n<li>\u6e90\u7ad9\u670d\u52a1\u5668\u8d1f\u8f7d\uff1a\u76d1\u63a7CPU\u3001\u5185\u5b58\u548c\u7f51\u7edc\u4f7f\u7528\u6a21\u5f0f<\/li>\n<li>\u8fb9\u7f18\u54cd\u5e94\u65f6\u95f4\uff1a\u5206\u6790\u4e0d\u540c\u5730\u7406\u533a\u57df\u7684\u6027\u80fd<\/li>\n<li>\u9519\u8bef\u7387\uff1a\u8ddf\u8e2aCDN\u8282\u70b9\u76844xx\u548c5xx\u9519\u8bef<\/li>\n<li>\u5e26\u5bbd\u5229\u7528\u7387\uff1a\u76d1\u63a7\u6d41\u91cf\u6a21\u5f0f\u5e76\u8bc6\u522b\u4f18\u5316\u673a\u4f1a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>CDN\u914d\u7f6e\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n<p>\u6700\u4f18CDN\u6027\u80fd\u9700\u8981\u4ed4\u7ec6\u5173\u6ce8\u914d\u7f6e\u7ec6\u8282\u5e76\u6839\u636e\u6027\u80fd\u6570\u636e\u5b9a\u671f\u8c03\u6574\u3002\u8fd9\u4e9b\u6280\u672f\u6307\u5357\u4ee3\u8868\u4e86\u5f53\u524d\u884c\u4e1a\u6700\u4f73\u5b9e\u8df5\uff0c\u7528\u4e8e\u6700\u5927\u5316CDN\u6548\u679c\uff1a<\/p>\n<ol>\n<li>\u4f18\u5316\u7f13\u5b58\u89c4\u5219\n<ul>\n<li>\u6839\u636e\u5185\u5bb9\u7c7b\u578b\u548c\u66f4\u65b0\u9891\u7387\u914d\u7f6e\u9002\u5f53\u7684\u7f13\u5b58TTL<\/li>\n<li>\u5b9e\u65bd\u7f13\u5b58\u952e\u81ea\u5b9a\u4e49\u4ee5\u63d0\u9ad8\u547d\u4e2d\u7387<\/li>\n<li>\u4e3a\u4e0d\u540c\u5185\u5bb9\u7c7b\u578b\u542f\u7528\u538b\u7f29\u548c\u7cbe\u7b80<\/li>\n<li>\u4e3a\u5185\u5bb9\u66f4\u65b0\u8bbe\u7f6e\u9002\u5f53\u7684\u7f13\u5b58\u6e05\u9664\u673a\u5236<\/li>\n<li>\u914d\u7f6estale-while-revalidate\u548cstale-if-error\u6307\u4ee4<\/li>\n<\/ul>\n<\/li>\n<li>\u5b89\u5168\u914d\u7f6e\n<ul>\n<li>WAF\u96c6\u6210\u5177\u6709\u533a\u57df\u6d41\u91cf\u6a21\u5f0f\u7684\u81ea\u5b9a\u4e49\u89c4\u5219\u96c6<\/li>\n<li>\u5177\u6709\u81ea\u52a8\u9608\u503c\u8c03\u6574\u7684DDoS\u4fdd\u62a4\u8bbe\u7f6e<\/li>\n<li>\u4f7f\u7528OCSP\u88c5\u8ba2\u548c\u4f1a\u8bdd\u6062\u590d\u7684SSL\/TLS\u4f18\u5316<\/li>\n<li>\u5730\u7406\u8bbf\u95ee\u63a7\u5236\u548c\u901f\u7387\u9650\u5236\u7b56\u7565<\/li>\n<li>\u6e90\u7ad9\u5c4f\u853d\u914d\u7f6e\u4ee5\u9632\u6b62\u6e90\u7ad9\u670d\u52a1\u5668\u8fc7\u8f7d<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u9762\u5411\u672a\u6765\u7684CDN\u6218\u7565<\/strong><\/h2>\n<p>CDN\u9886\u57df\u6301\u7eed\u968f\u65b0\u5174\u6280\u672f\u548c\u4e0d\u65ad\u53d8\u5316\u7684\u7528\u6237\u671f\u671b\u800c\u6f14\u8fdb\u3002\u901a\u8fc7\u8003\u8651\u8fd9\u4e9b\u9ad8\u7ea7\u5b9e\u73b0\u6765\u4fdd\u6301\u9886\u5148\uff1a<\/p>\n<ul>\n<li>\u8fb9\u7f18\u8ba1\u7b97\u96c6\u6210\n<ul>\n<li>\u5728\u8fb9\u7f18\u4f4d\u7f6e\u90e8\u7f72\u65e0\u670d\u52a1\u5668\u51fd\u6570<\/li>\n<li>\u8fb9\u7f18\u5b9e\u65f6\u56fe\u50cf\u548c\u89c6\u9891\u5904\u7406<\/li>\n<li>\u57fa\u4e8e\u8fb9\u7f18\u7684A\/B\u6d4b\u8bd5\u548c\u4e2a\u6027\u5316<\/li>\n<\/ul>\n<\/li>\n<li>HTTP\/3\u548cQUIC\u534f\u8bae\u652f\u6301\n<ul>\n<li>\u51cf\u5c11\u8fde\u63a5\u5efa\u7acb\u65f6\u95f4<\/li>\n<li>\u63d0\u9ad8\u4e0d\u53ef\u9760\u7f51\u7edc\u4e0a\u7684\u6027\u80fd<\/li>\n<li>\u66f4\u597d\u7684\u591a\u8def\u590d\u7528\u548c\u6d41\u4f18\u5148\u7ea7<\/li>\n<\/ul>\n<\/li>\n<li>\u81ea\u52a8\u5316\u6027\u80fd\u4f18\u5316\n<ul>\n<li>AI\u9a71\u52a8\u7684\u7f13\u5b58\u9884\u70ed\u7b56\u7565<\/li>\n<li>\u9884\u6d4b\u6027\u5185\u5bb9\u5206\u53d1<\/li>\n<li>\u81ea\u52a8\u6027\u80fd\u56de\u5f52\u68c0\u6d4b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>\u7ed3\u8bba<\/strong><\/h2>\n<p>CDN\u7f13\u5b58\u5728\u6b63\u786e\u914d\u7f6e\u548c\u76d1\u63a7\u7684\u60c5\u51b5\u4e0b\uff0c\u4ecd\u7136\u662f\u7f51\u7ad9\u6027\u80fd\u4f18\u5316\u7684\u57fa\u77f3\u6280\u672f\uff0c\u7279\u522b\u662f\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u3002\u6211\u4eec\u7684\u6280\u672f\u5206\u6790\u8868\u660e\uff0c\u62a5\u544a\u7684\u901f\u5ea6\u964d\u4f4e\u901a\u5e38\u4e0d\u662fCDN\u6280\u672f\u672c\u8eab\u7684\u56fa\u6709\u95ee\u9898\uff0c\u800c\u662f\u6e90\u4e8e\u6b21\u4f18\u914d\u7f6e\u6216\u5b9e\u65bd\u7b56\u7565\u4e0d\u5f53\u3002\u6210\u529f\u7684\u5173\u952e\u5728\u4e8e\u7406\u89e3CDN\u8fd0\u8425\u7684\u590d\u6742\u6280\u672f\u65b9\u9762\uff0c\u5e76\u6839\u636e\u5177\u4f53\u4f7f\u7528\u573a\u666f\u5b9e\u65bd\u9002\u5f53\u7684\u4f18\u5316\u7b56\u7565\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u7ef4\u6301\u6700\u4f73CDN\u6027\u80fd\u7684\u6700\u7ec8\u68c0\u67e5\u6e05\u5355\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u6027\u80fd\u5ba1\u6838\n<ul>\n<li>\u6bcf\u6708\u5ba1\u67e5\u7f13\u5b58\u547d\u4e2d\u7387\u548c\u54cd\u5e94\u65f6\u95f4<\/li>\n<li>\u6bcf\u5b63\u5ea6\u8bc4\u4f30CDN\u914d\u7f6e\u8bbe\u7f6e<\/li>\n<li>\u6301\u7eed\u76d1\u63a7\u9519\u8bef\u7387\u548c\u6e90\u7ad9\u5065\u5eb7\u72b6\u51b5<\/li>\n<\/ul>\n<\/li>\n<li>\u4f18\u5316\u5468\u671f\n<ul>\n<li>\u6839\u636e\u5185\u5bb9\u6a21\u5f0f\u5b9a\u671f\u66f4\u65b0\u7f13\u5b58\u89c4\u5219<\/li>\n<li>\u5b9a\u671f\u5ba1\u67e5\u5b89\u5168\u914d\u7f6e<\/li>\n<li>\u8bc4\u4f30\u65b0\u7684CDN\u529f\u80fd\u548c\u80fd\u529b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u4f7f\u7528\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u670d\u52a1\u7684\u7f51\u7ad9\uff0c\u6b63\u786e\u914d\u7f6e\u7684CDN\u7f13\u5b58\u7ed3\u5408\u533a\u57df\u7279\u5b9a\u4f18\u5316\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u5168\u7403\u5185\u5bb9\u4ea4\u4ed8\u6027\u80fd\u3002\u5173\u952e\u662f\u8981\u5728\u8ffd\u6c42\u6027\u80fd\u7684\u79ef\u6781\u7f13\u5b58\u548c\u786e\u4fdd\u5185\u5bb9\u65b0\u9c9c\u5ea6\u7684\u9002\u5f53\u7f13\u5b58\u5931\u6548\u4e4b\u95f4\u4fdd\u6301\u5e73\u8861\u3002\u901a\u8fc7\u9075\u5faa\u672c\u5206\u6790\u4e2d\u6982\u8ff0\u7684\u6280\u672f\u6307\u5357\u5e76\u4fdd\u6301\u8b66\u60d5\u7684\u6027\u80fd\u76d1\u63a7\uff0c\u60a8\u53ef\u4ee5\u786e\u4fddCDN\u589e\u5f3a\u800c\u4e0d\u662f\u963b\u788d\u60a8\u7f51\u7ad9\u7684\u901f\u5ea6\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u7f51\u7ad9\u6027\u80fd\u4f18\u5316\u9886\u57df\uff0c\u5185\u5bb9\u5206\u53d1\u7f51\u7edc(CDN\u7f13\u5b58)\u5df2\u6210\u4e3a\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u7f51\u7ad9\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\u7ec4\u4ef6\u3002\u867d\u7136\u8bb8\u591a\u5f00\u53d1\u4eba\u5458\u8ba4\u53efCDN\u89e3\u51b3\u65b9\u6848\u80fd\u591f\u63d0\u5347\u5185\u5bb9\u4f20\u8f93\u901f\u5ea6\uff0c\u4f46\u5176\u4ed6\u4eba\u5728\u5b9e\u65bd\u540e\u5374\u9047\u5230\u4e86\u610f\u5916\u7684\u6027\u80fd\u74f6\u9888\u3002\u672c\u6280\u672f\u8c03\u67e5\u6df1\u5165\u63a2\u8ba8CDN\u7f13\u5b58\u7684\u5e95\u5c42\u673a\u5236\uff0c\u5206\u6790\u5176\u6f5c\u5728\u4f18\u52bf\u548c\u52a3\u52bf\uff0c\u7279\u522b\u5173\u6ce8\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u7684\u90e8\u7f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