{"id":209825,"date":"2025-10-23T23:52:48","date_gmt":"2025-10-23T15:52:48","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209825\/"},"modified":"2025-10-23T23:52:49","modified_gmt":"2025-10-23T15:52:49","slug":"cdn-148","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209825\/","title":{"rendered":"CDN\u7a33\u5b9a\u6027\u5927\u6bd4\u62fc\uff1a\u54ea\u5bb6\u4f9b\u5e94\u5546\u6700\u503c\u5f97\u4fe1\u8d56\uff1f"},"content":{"rendered":"<h2>\u5f15\u8a00<\/h2>\n<p>CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u5df2\u7ecf\u6210\u4e3a\u73b0\u4ee3\u7f51\u7ad9\u4e0e\u5e94\u7528\u6027\u80fd\u4fdd\u969c\u7684\u6838\u5fc3\u7ec4\u4ef6\u3002\u5bf9\u4e8e\u9762\u5411\u5168\u7403\u6216\u6d77\u5916\u7528\u6237\u7684\u7ad9\u957f\u3001\u4f01\u4e1a\u4e0e\u5f00\u53d1\u8005\u800c\u8a00\uff0c<strong>CDN\u7684\u7a33\u5b9a\u6027<\/strong>\u76f4\u63a5\u5f71\u54cd\u8bbf\u95ee\u901f\u5ea6\u3001\u53ef\u7528\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002\u672c\u6587\u5c06\u4ece\u6280\u672f\u539f\u7406\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u3001\u8861\u91cf\u7a33\u5b9a\u6027\u7684\u5173\u952e\u6307\u6807\u5230\u4f9b\u5e94\u5546\u4f18\u52bf\u5bf9\u6bd4\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u6df1\u5165\u89e3\u6790\u5982\u4f55\u5224\u65ad\u54ea\u5bb6\u4f9b\u5e94\u5546\u66f4\u503c\u5f97\u4fe1\u8d56\uff0c\u5e76\u7ed3\u5408\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u7b49\u533a\u57df\u90e8\u7f72\u7684\u5b9e\u9645\u8003\u91cf\uff0c\u5e2e\u52a9\u60a8\u505a\u51fa\u66f4\u7a33\u5065\u7684\u51b3\u7b56\u3002<\/p>\n<h2>CDN\u7a33\u5b9a\u6027\u7684\u6280\u672f\u539f\u7406<\/h2>\n<p>\u8981\u7406\u89e3\u7a33\u5b9a\u6027\uff0c\u9996\u5148\u9700\u8981\u660e\u786eCDN\u7684\u57fa\u672c\u6784\u6210\u53ca\u5de5\u4f5c\u6d41\u7a0b\uff1a<\/p>\n<ul>\n<li>\u8fb9\u7f18\u8282\u70b9\uff08PoP\uff09\uff1a\u5206\u5e03\u5728\u5404\u5730\u7684\u6570\u636e\u8282\u70b9\uff0c\u8d1f\u8d23\u5c31\u8fd1\u54cd\u5e94\u7528\u6237\u8bf7\u6c42\uff0c\u51cf\u5c11RTT\u3002<\/li>\n<li>\u8c03\u5ea6\u4e0e\u8def\u7531\uff1a\u57fa\u4e8eDNS\u3001Anycast\u6216HTTP\u91cd\u5b9a\u5411\u7b49\u673a\u5236\uff0c\u5c06\u7528\u6237\u8bf7\u6c42\u5206\u914d\u5230\u6700\u4f73\u8282\u70b9\u3002<\/li>\n<li>\u7f13\u5b58\u7b56\u7565\uff1a\u7f13\u5b58\u547d\u4e2d\u7387\u3001\u65f6\u95f4\uff08TTL\uff09\u4e0e\u7f13\u5b58\u5237\u65b0\uff08purge\uff09\u673a\u5236\u51b3\u5b9a\u56de\u6e90\u9891\u7387\u4e0e\u8d1f\u8f7d\u3002<\/li>\n<li>\u56de\u6e90\u4e0e\u5bb9\u9519\uff1a\u5f53\u8fb9\u7f18\u8282\u70b9\u672a\u547d\u4e2d\u6216\u8282\u70b9\u6545\u969c\u65f6\uff0c\u5982\u4f55\u56de\u6e90\u5230\u6e90\u7ad9\u6216\u5176\u4ed6\u53ef\u7528\u8282\u70b9\u3002<\/li>\n<\/ul>\n<p>\u5728\u8fd9\u4e9b\u73af\u8282\u4e2d\uff0c\u4efb\u4f55\u73af\u8282\u7684\u5931\u6548\u90fd\u4f1a\u5f71\u54cd\u6574\u4f53\u7a33\u5b9a\u6027\u3002\u4f8b\u5982\uff0cDNS\u89e3\u6790\u4e0d\u7a33\u5b9a\u6216Anycast\u8def\u7531\u632f\u8361\u4f1a\u5bfc\u81f4\u6d41\u91cf\u88ab\u9519\u8bef\u5730\u5f15\u5bfc\uff0c\u4ece\u800c\u51fa\u73b0\u5ef6\u8fdf\u6216\u4e22\u5305\u3002\u9ad8\u6548\u7684\u5065\u5eb7\u68c0\u67e5\u4e0e\u6545\u969c\u8f6c\u79fb\u903b\u8f91\u3001\u5feb\u901f\u7684\u8282\u70b9\u6269\u5bb9\u80fd\u529b\u4ee5\u53ca\u667a\u80fd\u6d41\u91cf\u7275\u5f15\u7b97\u6cd5\uff0c\u90fd\u662f\u63d0\u5347CDN\u7a33\u5b9a\u6027\u7684\u5173\u952e\u6280\u672f\u3002<\/p>\n<h3>\u5173\u952e\u6280\u672f\u8be6\u89e3<\/h3>\n<ul>\n<li><strong>Anycast\u4e0e\u8def\u7531\u7a33\u5b9a\u6027<\/strong>\uff1aAnycast\u901a\u8fc7\u540c\u4e00IP\u5728\u591a\u4e2aPoP\u7ed1\u5b9a\u8def\u7531\uff0c\u8def\u7531\u5668\u9009\u62e9\u6700\u77edAS\u8def\u5f84\u3002\u4f46BGP\u6536\u655b\u6162\u3001\u8def\u7531\u6296\u52a8\u6216\u7f51\u7edc\u653b\u51fb\u4f1a\u5bfc\u81f4\u77ed\u65f6\u4e0d\u7a33\u5b9a\uff0c\u9700\u8981\u7ed3\u5408\u5b9e\u65f6\u76d1\u63a7\u548c\u591a\u94fe\u8def\u5907\u4efd\u3002<\/li>\n<li><strong>\u5065\u5eb7\u68c0\u67e5\u4e0e\u81ea\u52a8\u5254\u9664<\/strong>\uff1a\u8282\u70b9\u51fa\u73b0\u5ef6\u8fdf\u4e0a\u5347\u6216\u9519\u8bef\u7387\u589e\u9ad8\u65f6\uff0cCDN\u5e94\u7acb\u5373\u5c06\u5176\u4ece\u8c03\u5ea6\u6c60\u4e2d\u5254\u9664\u5e76\u89e6\u53d1\u6d41\u91cf\u91cd\u8def\u7531\u3002<\/li>\n<li><strong>\u7f13\u5b58\u4e00\u81f4\u6027\u4e0e\u56de\u6e90\u538b\u5236<\/strong>\uff1a\u96c6\u7fa4\u5316\u7f13\u5b58\u66f4\u65b0\u7b56\u7565\uff08\u5982\u5206\u7247\u66f4\u65b0\u3001\u5ef6\u8fdf\u53cc\u5199\uff09\u4e0e\u56de\u6e90\u9650\u6d41\uff08stale-while-revalidate\uff09\u80fd\u51cf\u5c11\u6e90\u7ad9\u538b\u529b\uff0c\u63d0\u9ad8\u7a33\u5b9a\u54cd\u5e94\u3002<\/li>\n<li><strong>\u6297DDoS\u4e0e\u6d41\u91cf\u6e05\u6d17<\/strong>\uff1a\u8fb9\u7f18\u6e05\u6d17\u80fd\u529b\u51b3\u5b9a\u5728\u906d\u53d7\u653b\u51fb\u65f6\u670d\u52a1\u53ef\u7528\u6027\uff0c\u7a33\u5b9a\u7684CDN\u9700\u63d0\u4f9b\u591a\u5c42\u9632\u62a4\u4e0e\u901f\u7387\u9650\u5236\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h2>\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0e\u7a33\u5b9a\u6027\u9700\u6c42<\/h2>\n<p>\u4e0d\u540c\u5e94\u7528\u5bf9\u7a33\u5b9a\u6027\u7684\u4fa7\u91cd\u70b9\u4e0d\u540c\uff0c\u56e0\u6b64\u9009\u62e9CDN\u65f6\u5e94\u57fa\u4e8e\u4e1a\u52a1\u573a\u666f\u505a\u6743\u8861\u3002<\/p>\n<h3>\u9759\u6001\u8d44\u6e90\u52a0\u901f\uff08\u56fe\u7247\u3001JS\u3001CSS\uff09<\/h3>\n<p>\u9759\u6001\u8d44\u6e90\u4f9d\u8d56\u9ad8\u7f13\u5b58\u547d\u4e2d\u7387\u548c\u4f4e\u5ef6\u8fdf\u3002\u5bf9\u4e8e\u9762\u5411\u9999\u6e2f\u3001\u4e1c\u5357\u4e9a\u6216\u65e5\u672c\u7528\u6237\u7684\u7f51\u7ad9\uff0c\u8fb9\u7f18\u8282\u70b9\u5728\u9999\u6e2f\u3001\u65b0\u52a0\u5761\u548c\u65e5\u672c\u7684\u8986\u76d6\u4e0e\u4e92\u8054\u8d28\u91cf\u5c24\u4e3a\u91cd\u8981\u3002\u7a33\u5b9a\u7684DNS\u89e3\u6790\u4e0eCDN\u8fb9\u7f18\u7f13\u5b58\u7b56\u7565\u80fd\u663e\u8457\u964d\u4f4e\u6e90\u7ad9\u5e26\u5bbd\u6d88\u8017\u5e76\u63d0\u5347\u53ef\u7528\u6027\u3002<\/p>\n<h3>\u52a8\u6001\u4e0eAPI\u4e1a\u52a1<\/h3>\n<p>\u52a8\u6001\u5185\u5bb9\u9700\u8981\u66f4\u4f4e\u7684\u56de\u6e90\u5ef6\u8fdf\u4ee5\u53ca\u8fde\u63a5\u7a33\u5b9a\u6027\u3002\u6b64\u7c7b\u573a\u666f\u8981\u6c42CDN\u652f\u6301\u667a\u80fd\u8def\u7531\u3001\u4f1a\u8bdd\u4fdd\u6301\u3001\u4ee5\u53ca\u53ef\u7528\u7684\u56de\u6e90\u94fe\u8def\u3002\u5728\u8de8\u5883\u573a\u666f\uff08\u4f8b\u5982\u9999\u6e2f\u8bbf\u95ee\u7f8e\u56fd\u540e\u7aef\uff09\u65f6\uff0c\u9009\u62e9\u5728\u9999\u6e2f\u6709\u826f\u597d\u4e92\u8054\u7684\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u9999\u6e2f\u670d\u52a1\u5668\u4f5c\u4e3a\u5907\u4efd\u53ef\u63d0\u5347\u7a33\u5b9a\u6027\u3002<\/p>\n<h3>\u6d41\u5a92\u4f53\u4e0e\u5927\u6587\u4ef6\u5206\u53d1<\/h3>\n<p>\u6d41\u5a92\u4f53\u4e1a\u52a1\u5bf9\u8fde\u7eed\u6027\u4e0e\u6296\u52a8\u975e\u5e38\u654f\u611f\u3002\u7a33\u5b9a\u7684CDN\u5e94\u652f\u6301\u5206\u6bb5\u7f13\u5b58\u3001\u8fb9\u7f18\u9884\u70ed\u3001\u4ee5\u53ca\u6d41\u91cf\u5207\u7247\u673a\u5236\u3002\u540c\u65f6\uff0c\u5fc5\u987b\u5177\u5907\u5feb\u901f\u56de\u6e90\u4e0e\u8fb9\u7f18\u5bb9\u9519\u80fd\u529b\uff0c\u4ee5\u907f\u514d\u5361\u987f\u6216\u4e2d\u65ad\u3002<\/p>\n<h2>\u8861\u91cfCDN\u7a33\u5b9a\u6027\u7684\u5173\u952e\u6307\u6807<\/h2>\n<ul>\n<li><strong>\u53ef\u7528\u6027\uff08Availability\uff09<\/strong>\uff1a\u901a\u5e38\u4ee5SLA\uff08\u4f8b\u598299.9%\uff09\u8868\u8fbe\uff0c\u4f46\u5b9e\u9645\u9700\u5173\u6ce8\u4e0d\u540c\u533a\u57df\u7684\u53ef\u7528\u7387\u5206\u5e03\uff0c\u5c24\u5176\u662f\u9999\u6e2f\u3001\u65e5\u97e9\u3001\u65b0\u52a0\u5761\u7b49\u5173\u952e\u8282\u70b9\u3002<\/li>\n<li><strong>\u54cd\u5e94\u65f6\u5ef6\uff08Latency\uff09<\/strong>\uff1a\u4ece\u4e0d\u540c\u7528\u6237\u7f51\u6bb5\u5230\u5404PoP\u7684\u9996\u5b57\u8282\u65f6\u95f4\uff08TTFB\uff09\u4e0e\u5e73\u5747\u5ef6\u8fdf\u3002<\/li>\n<li><strong>\u9519\u8bef\u7387\uff08Error Rate\uff09<\/strong>\uff1a4xx\/5xx\u6bd4\u4f8b\uff0c\u5c24\u5176\u5728\u9ad8\u5e76\u53d1\u6216\u653b\u51fb\u4e0b\u7684\u9519\u8bef\u7387\u53d8\u5316\u3002<\/li>\n<li><strong>\u7f13\u5b58\u547d\u4e2d\u7387\uff08Hit Ratio\uff09<\/strong>\uff1a\u9ad8\u547d\u4e2d\u7387\u4ee3\u8868\u66f4\u5c11\u56de\u6e90\u3001\u66f4\u7a33\u5b9a\u7684\u54cd\u5e94\u3002<\/li>\n<li><strong>BGP\/Anycast\u6536\u655b\u4e0e\u8def\u7531\u7a33\u5b9a\u6027<\/strong>\uff1a\u8def\u7531\u6296\u52a8\u4f1a\u5bfc\u81f4\u77ed\u65f6\u4e0d\u53ef\u7528\u6216\u5ef6\u8fdf\u7a81\u589e\u3002<\/li>\n<li><strong>\u6545\u969c\u6062\u590d\u65f6\u95f4\uff08MTTR\uff09<\/strong>\uff1a\u4ece\u68c0\u6d4b\u5230\u6062\u590d\u6240\u9700\u65f6\u95f4\uff0c\u5305\u62ec\u8282\u70b9\u66ff\u6362\u4e0e\u6d41\u91cf\u91cd\u8def\u7531\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2>\u4f9b\u5e94\u5546\u4f18\u52bf\u5bf9\u6bd4\u2014\u2014\u4ece\u7a33\u5b9a\u6027\u89d2\u5ea6\u8003\u8651<\/h2>\n<p>\u5728\u8bc4\u4f30\u4f9b\u5e94\u5546\u65f6\uff0c\u4e0d\u59a8\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u7ef4\u5ea6\u8fdb\u884c\u6bd4\u8f83\uff1a<\/p>\n<h3>\u7f51\u7edc\u4e0ePoP\u5206\u5e03<\/h3>\n<p>\u8986\u76d6\u9762\u5e7f\u5e76\u4e0d\u7b49\u4e8e\u7a33\u5b9a\u2014\u2014\u91cd\u70b9\u662f<strong>\u76ee\u6807\u7528\u6237\u6240\u5728\u533a\u57df\u7684PoP\u8d28\u91cf<\/strong>\u3002\u4f8b\u5982\uff0c\u9762\u5411\u9999\u6e2f\u4e0e\u4e1c\u5357\u4e9a\u7528\u6237\u7684\u670d\u52a1\uff0c\u5e94\u4f18\u5148\u8003\u8651\u5728\u9999\u6e2f\u3001\u9999\u6e2fVPS\u4e0e\u65b0\u52a0\u5761\u8282\u70b9\u4e92\u8054\u826f\u597d\u7684\u4f9b\u5e94\u5546\uff1b\u82e5\u76ee\u6807\u53d7\u4f17\u5728\u7f8e\u6d32\uff0c\u5219\u9700\u8981\u5176\u7f8e\u56fd\u670d\u52a1\u5668\u4e0e\u7f8e\u56fdVPS\u751f\u6001\u7684\u8fde\u901a\u6027\u3002<\/p>\n<h3>\u4e92\u8054\u80fd\u529b\u4e0e\u8fd0\u8425\u5546\u5408\u4f5c<\/h3>\n<p>\u4e0e\u5f53\u5730\u4e3b\u8981\u8fd0\u8425\u5546\u7684\u76f4\u8fde\u6216\u4f18\u8d28\u5e26\u5bbd\u80fd\u663e\u8457\u964d\u4f4e\u4e22\u5305\u4e0e\u5ef6\u8fdf\u3002\u9999\u6e2f\u4f5c\u4e3a\u91cd\u8981\u7684\u56fd\u9645\u8282\u70b9\uff0c\u4e0e\u4e2d\u56fd\u5927\u9646\u3001\u4e1c\u5357\u4e9a\u548c\u7f8e\u6d32\u4e4b\u95f4\u7684\u6d77\u7f06\u4e0e\u4e92\u8054\u8d28\u91cf\u76f4\u63a5\u5f71\u54cd\u7a33\u5b9a\u6027\u3002<\/p>\n<h3>\u56de\u6e90\u4e0e\u5bb9\u9519\u7b56\u7565<\/h3>\n<p>\u4f18\u79c0\u7684\u4f9b\u5e94\u5546\u4f1a\u63d0\u4f9b\u591a\u79cd\u56de\u6e90\u65b9\u6848\uff1a\u4e3b\u52a8\u56de\u6e90\u5230\u6700\u8fd1\u53ef\u7528\u7684PoP\u3001\u667a\u80fd\u56de\u6e90\u94fe\u8def\u5207\u6362\u3001\u6e90\u7ad9\u8d1f\u8f7d\u5206\u644a\u7b49\uff0c\u4fdd\u8bc1\u5728\u67d0\u4e00\u533a\u57df\u8282\u70b9\u5931\u6548\u65f6\u4e1a\u52a1\u4e0d\u4e2d\u65ad\u3002<\/p>\n<h3>\u76d1\u63a7\u3001\u544a\u8b66\u4e0eSLA<\/h3>\n<p>\u5b9e\u65f6\u76d1\u63a7\u8986\u76d6\u5168\u7f51\u5e76\u63d0\u4f9b\u533a\u57df\u5316\u544a\u8b66\uff0c\u662f\u8bc4\u4f30\u7a33\u5b9a\u6027\u7684\u5173\u952e\u3002SLA\u6761\u6b3e\u5e94\u660e\u786e\u5e76\u5177\u5907\u53ef\u9a8c\u8bc1\u7684\u533a\u57df\u6027\u6307\u6807\uff0c\u800c\u4e0d\u662f\u6cdb\u6cdb\u800c\u8c08\u7684\u5168\u7403\u5e73\u5747\u503c\u3002<\/p>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff1a\u5982\u4f55\u9009\u5230\u6700\u503c\u5f97\u4fe1\u8d56\u7684CDN<\/h2>\n<p>\u7ed3\u5408\u4ee5\u4e0a\u5206\u6790\uff0c\u7ed9\u51fa\u51e0\u6761\u5b9e\u64cd\u6027\u7684\u9009\u8d2d\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u660e\u786e\u5b9a\u4e49\u4e1a\u52a1\u76ee\u6807\u533a\u57df\uff1a\u82e5\u4e3b\u8981\u7528\u6237\u5728\u9999\u6e2f\u3001\u53f0\u6e7e\u6216\u4e1c\u5357\u4e9a\uff0c\u4f18\u5148\u8003\u5bdf\u5728\u9999\u6e2f\u4e0e\u65b0\u52a0\u5761\u8bbe\u6709PoP\u4e14\u4e0e\u5f53\u5730ISP\u6709\u76f4\u8fde\u7684\u4f9b\u5e94\u5546\u3002<\/li>\n<li>\u8fdb\u884c\u591a\u70b9\u771f\u5b9e\u6d4b\u8bd5\uff1a\u5728\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u7b49\u76ee\u6807\u5730\u533a\u4f7f\u7528\u771f\u5b9e\u94fe\u8def\uff08\u6216\u5229\u7528\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u505a\u6d4b\u8bd5\uff09\u9a8c\u8bc1\u5ef6\u8fdf\u3001\u4e22\u5305\u4e0e\u547d\u4e2d\u7387\u3002<\/li>\n<li>\u67e5\u770b\u5386\u53f2\u6545\u969c\u4e0e\u6062\u590d\u8bb0\u5f55\uff1a\u6709\u65e0\u5927\u89c4\u6a21\u5b95\u673a\u3001DDoS\u4e8b\u4ef6\u8bb0\u5f55\u53ca\u5176MTTR\u3002<\/li>\n<li>\u5173\u6ce8\u56de\u6e90\u7b56\u7565\u4e0e\u6e90\u7ad9\u67b6\u6784\uff1a\u82e5\u6e90\u7ad9\u5728\u6d77\u5916\u670d\u52a1\u5668\uff08\u5982\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u65e5\u672c\u670d\u52a1\u5668\uff09\uff0c\u9700\u8bc4\u4f30\u8de8\u5883\u56de\u6e90\u7684\u7a33\u5b9a\u6027\u4e0e\u6210\u672c\u3002<\/li>\n<li>\u8bc4\u4f30\u8fd0\u7ef4\u4e0e\u6280\u672f\u652f\u6301\uff1a\u4e2d\u6587\u652f\u6301\u3001\u65f6\u5dee\u8986\u76d6\u4e0e\u5e94\u6025\u54cd\u5e94\u80fd\u529b\u5728\u7a33\u5b9a\u6027\u4fdd\u969c\u4e0a\u975e\u5e38\u91cd\u8981\uff0c\u5c24\u5176\u662f\u5bf9\u4f01\u4e1a\u7528\u6237\u3002<\/li>\n<li>\u7ed3\u5408\u6210\u672c\u4e0e\u4e1a\u52a1\u91cd\u8981\u6027\uff1a\u5bf9\u5173\u952e\u4e1a\u52a1\u5efa\u8bae\u9009\u62e9\u63d0\u4f9b\u591a\u7ebf\u8def\u3001\u591a\u5907\u4efd\u4e0e\u66f4\u9ad8SLA\u7684\u65b9\u6848\uff1b\u5bf9\u4f4e\u6210\u672c\u9700\u6c42\u53ef\u91c7\u7528\u57fa\u7840\u52a0\u901f\u642d\u914d\u672c\u5730\u9999\u6e2f\u670d\u52a1\u5668\u4f5c\u4e3a\u5bb9\u707e\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u8df5\u6848\u4f8b\u4e0e\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p>\u5728\u771f\u5b9e\u90e8\u7f72\u4e2d\uff0c\u5e38\u89c1\u7684\u63d0\u5347\u7a33\u5b9a\u6027\u7684\u505a\u6cd5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5728\u91cd\u8981\u533a\u57df\uff08\u9999\u6e2f\/\u65b0\u52a0\u5761\/\u65e5\u672c\uff09\u90e8\u7f72\u591a\u5907\u6765\u6e90\u7ad9\uff0c\u5fc5\u8981\u65f6\u4f7f\u7528\u9999\u6e2fVPS\u6216\u4e13\u7528\u9999\u6e2f\u670d\u52a1\u5668\u4f5c\u4e3a\u5c31\u8fd1\u56de\u6e90\u3002<\/li>\n<li>\u914d\u7f6e\u5408\u7406\u7684TTL\u4e0estale\u7b56\u7565\uff0c\u51cf\u5c11\u77ac\u65f6\u56de\u6e90\u6f6e\u5bfc\u81f4\u7684\u6e90\u7ad9\u538b\u529b\u3002<\/li>\n<li>\u4f7f\u7528\u5206\u5e03\u5f0f\u5065\u5eb7\u68c0\u67e5\u4e0e\u6d41\u91cf\u5206\u6d41\u89c4\u5219\uff0c\u5b9e\u73b0\u5feb\u901f\u6545\u969c\u5207\u6362\u3002<\/li>\n<li>\u5bf9\u8de8\u5883\u4e1a\u52a1\u540c\u65f6\u51c6\u5907\u672c\u5730\u5316\u57df\u540d\u89e3\u6790\u7b56\u7565\uff08GeoDNS\uff09\u4e0e\u5168\u7403Anycast\uff0c\u517c\u987e\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u5224\u65ad\u54ea\u5bb6CDN\u4f9b\u5e94\u5546\u6700\u503c\u5f97\u4fe1\u8d56\uff0c\u5e94\u57fa\u4e8e\u4e1a\u52a1\u533a\u57df\u3001\u6280\u672f\u5b9e\u73b0\u3001\u76d1\u63a7\u4e0e\u8fd0\u7ef4\u80fd\u529b\u7684\u7efc\u5408\u6bd4\u8f83\u3002<strong>\u7a33\u5b9a\u6027\u4e0d\u662f\u5355\u4e00\u6307\u6807\uff0c\u800c\u662f\u53ef\u7528\u6027\u3001\u5ef6\u8fdf\u3001\u9519\u8bef\u7387\u4e0e\u6062\u590d\u80fd\u529b\u7684\u957f\u671f\u8868\u73b0<\/strong>\u3002\u5bf9\u9762\u5411\u9999\u6e2f\u53ca\u4e9a\u592a\u5e02\u573a\u7684\u7ad9\u957f\u4e0e\u4f01\u4e1a\u7528\u6237\uff0c\u4f18\u5148\u8003\u8651\u5728\u9999\u6e2f\u3001\u65b0\u52a0\u5761\u3001\u65e5\u672c\u548c\u97e9\u56fd\u7b49\u533a\u57df\u6709\u4f18\u8d28\u8282\u70b9\u4e0e\u8fd0\u8425\u5546\u76f4\u8fde\u7684\u4f9b\u5e94\u5546\uff1b\u5bf9\u8de8\u6d0b\u4e1a\u52a1\uff0c\u5219\u8981\u517c\u987e\u7f8e\u56fd\u670d\u52a1\u5668\u7684\u8fde\u901a\u6027\u4e0e\u56de\u6e90\u7a33\u5b9a\u3002<\/p>\n<p>\u82e5\u60a8\u5df2\u5728\u8003\u8651\u5b8c\u6574\u7684\u6d77\u5916\u90e8\u7f72\u65b9\u6848\uff0c\u53ef\u4ee5\u53c2\u8003\u672c\u7f51\u7ad9\u63d0\u4f9b\u7684\u670d\u52a1\u5668\u9009\u9879\u4ee5\u642d\u914d\u60a8\u7684CDN\u7b56\u7565\uff0c\u4f8b\u5982\u7528\u4e8e\u56de\u6e90\u6216\u5bb9\u707e\u7684\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\uff0c\u6216\u7528\u4f5c\u6d4b\u8bd5\u4e0e\u5c0f\u89c4\u6a21\u6f14\u793a\u7684\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u7b49\u3002\u4e86\u89e3\u66f4\u591a\u670d\u52a1\u5668\u4e0e\u57df\u540d\u6ce8\u518c\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee Server.HK\uff1a<a href=\"https:\/\/server.hk\/\">https:\/\/server.hk\/<\/a>\u3002\u5982\u9700\u76f4\u63a5\u67e5\u770b\u53ef\u7528\u4ea7\u54c1\u4e0e\u62a5\u4ef7\uff0c\u53ef\u70b9\u51fb\uff1a<a href=\"https:\/\/server.hk\/server.php\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u9762\u5411\u5168\u7403\u7528\u6237\u7684\u4eca\u5929\uff0cCDN\u7a33\u5b9a\u6027\u51b3\u5b9a\u4e86\u7f51\u7ad9\u7684\u8bbf\u95ee\u901f\u5ea6\u4e0e\u7528\u6237\u4f53\u9a8c\uff0c\u4efb\u4f55\u4e00\u6b21\u6296\u52a8\u90fd\u53ef\u80fd\u8ba9\u6d41\u91cf\u548c\u6536\u5165\u6d41\u5931\u3002\u672c\u6587\u4ece\u6280\u672f\u539f\u7406\u3001\u6838\u5fc3\u6307\u6807\u5230\u533a\u57df\u90e8\u7f72\u4e0e\u4f9b\u5e94\u5546\u5bf9\u6bd4\uff0c\u5e2e\u60a8\u5feb\u901f\u5224\u65ad\u54ea\u5bb6CDN\u66f4\u503c\u5f97\u4fe1\u8d56\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4928],"tags":[3702,2850,3646,3703,443,3704,2833,3705,3108],"class_list":{"0":"post-209825","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-4928","7":"tag-cdn","10":"tag-3703","11":"tag-443","12":"tag-3704","13":"tag-2833","14":"tag-sla","15":"tag-pop"},"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=209825"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209825\/revisions"}],"predecessor-version":[{"id":209826,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209825\/revisions\/209826"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=209825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=209825"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=209825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}