{"id":210037,"date":"2025-10-24T04:23:24","date_gmt":"2025-10-23T20:23:24","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210037\/"},"modified":"2025-10-24T04:23:25","modified_gmt":"2025-10-23T20:23:25","slug":"cdn-252","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210037\/","title":{"rendered":"CDN\u8282\u70b9\u5065\u5eb7\u76d1\u63a7\u7b56\u7565\uff1a\u4fdd\u969c\u9ad8\u53ef\u7528\u4e0e\u5feb\u901f\u6545\u969c\u6062\u590d"},"content":{"rendered":"<p>\u5728\u5168\u7403\u5316\u4e1a\u52a1\u4e0e\u5206\u5e03\u5f0f\u67b6\u6784\u4e0d\u65ad\u666e\u53ca\u7684\u80cc\u666f\u4e0b\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u5df2\u6210\u4e3a\u4fdd\u969c\u7f51\u7ad9\u548c\u5e94\u7528\u9ad8\u53ef\u7528\u3001\u964d\u4f4e\u5ef6\u65f6\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\u3002\u4f46\u4efb\u4f55\u5206\u5e03\u5f0f\u7cfb\u7edf\u90fd\u53ef\u80fd\u51fa\u73b0\u8282\u70b9\u6545\u969c\u6216\u6027\u80fd\u5f02\u5e38\uff0c\u5982\u4f55\u901a\u8fc7\u6709\u6548\u7684<span><strong>CDN\u8282\u70b9\u5065\u5eb7\u76d1\u63a7\u7b56\u7565<\/strong><\/span>\u5b9e\u73b0\u5feb\u901f\u6545\u969c\u53d1\u73b0\u4e0e\u81ea\u52a8\u5316\u6062\u590d\uff0c\u76f4\u63a5\u51b3\u5b9a\u4e1a\u52a1\u7684\u7528\u6237\u4f53\u9a8c\u4e0eSLA\u8fbe\u6210\u7387\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u6df1\u5165\u9610\u8ff0CDN\u8282\u70b9\u5065\u5eb7\u76d1\u63a7\u7684\u539f\u7406\u3001\u5b9e\u73b0\u7ec6\u8282\u3001\u5e94\u7528\u573a\u666f\u3001\u4f18\u52bf\u5bf9\u6bd4\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u52a9\u60a8\u4e3a\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u6d77\u5916\u670d\u52a1\u5668\u7b49\u73af\u5883\u8bbe\u8ba1\u7a33\u5065\u7684\u76d1\u63a7\u4f53\u7cfb\u3002<\/p>\n<h2>\u4e00\u3001CDN\u8282\u70b9\u5065\u5eb7\u76d1\u63a7\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>CDN\u8282\u70b9\u5065\u5eb7\u76d1\u63a7\u6838\u5fc3\u76ee\u6807\u662f\u6301\u7eed\u5224\u65ad\u6bcf\u4e2a\u8fb9\u7f18\u8282\u70b9\uff08Edge\uff09\u548c\u56de\u6e90\/\u4e2d\u8f6c\u8282\u70b9\uff08Origin\/PoP\uff09\u662f\u5426\u80fd\u6b63\u5e38\u63d0\u4f9b\u670d\u52a1\uff0c\u4ee5\u53ca\u5176\u6027\u80fd\u662f\u5426\u6ee1\u8db3\u4e1a\u52a1\u9700\u6c42\u3002\u5b9e\u73b0\u8981\u70b9\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u4e3b\u52a8\u63a2\u6d4b\uff08Active 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Degradation<\/strong>\uff1a\u5728\u56de\u6e90\u53d7\u9650\u60c5\u51b5\u4e0b\u4f18\u5148\u4fdd\u8bc1\u5173\u952eAPI\u6216\u9996\u9875\u54cd\u5e94\uff0c\u975e\u5173\u952e\u8d44\u6e90\u8fd4\u56de\u964d\u7ea7\u5185\u5bb9\u6216\u4f7f\u7528\u66f4\u957fTTL\u3002<\/li>\n<li><strong>\u84dd\u7eff\/\u91d1\u4e1d\u96c0\u53d1\u5e03<\/strong>\uff1a\u5bf9CDN\u914d\u7f6e\u6216\u89c4\u5219\u53d8\u66f4\u91c7\u7528\u91d1\u4e1d\u96c0\u7b56\u7565\uff0c\u5148\u5728\u5c0f\u6bd4\u4f8b\u6d41\u91cf\u9a8c\u8bc1\uff0c\u518d\u5168\u91cf\u53d1\u5e03\uff0c\u76d1\u63a7\u5f02\u5e38\u5219\u56de\u6eda\u3002<\/li>\n<li><strong>\u81ea\u52a8\u5316\u56de\u6e90\u5207\u6362<\/strong>\uff1a\u914d\u5408\u5065\u5eb7\u68c0\u67e5\u7ed3\u679c\u81ea\u52a8\u5207\u6362\u5230\u5065\u5eb7\u7684Origin\u6216\u5907\u7528\u6570\u636e\u4e2d\u5fc3\uff0c\u5fc5\u8981\u65f6\u89e6\u53d1DNS\u6216BGP\u7b56\u7565\u3002<\/li>\n<li><strong>\u7248\u672c\u4e0e\u914d\u7f6e\u5ba1\u8ba1<\/strong>\uff1a\u5bf9\u8282\u70b9\u914d\u7f6e\u53d8\u66f4\u8fdb\u884c\u5ba1\u8ba1\uff0c\u5feb\u901f\u5b9a\u4f4d\u56e0\u914d\u7f6e\u5f02\u5e38\u5bfc\u81f4\u7684\u5e7f\u6cdb\u6545\u969c\u3002<\/li>\n<\/ul>\n<h2>\u4e94\u3001\u4f18\u52bf\u5bf9\u6bd4\u4e0e\u9009\u8d2d\u5efa\u8bae<\/h2>\n<p>\u5728\u9009\u62e9CDN\u6216\u81ea\u5efa\u76d1\u63a7\u7ec4\u4ef6\u65f6\uff0c\u5e94\u6743\u8861\u4ee5\u4e0b\u7ef4\u5ea6\uff1a<\/p>\n<ul>\n<li><strong>\u63a2\u9488\u8986\u76d6\u5ea6<\/strong>\uff1a\u4f18\u5148\u9009\u62e9\u5728\u5173\u952e\u5730\u533a\uff08\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\uff09\u6709\u7a33\u5b9a\u63a2\u9488\u6216\u8282\u70b9\u7684\u65b9\u6848\uff0c\u4ee5\u51c6\u786e\u53cd\u6620\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n<li><strong>\u6570\u636e\u4fdd\u7559\u4e0e\u5206\u6790\u80fd\u529b<\/strong>\uff1a\u957f\u5468\u671f\u7684\u5386\u53f2\u6570\u636e\u6709\u52a9\u4e8e\u5b9a\u4f4d\u95f4\u6b47\u6027\u95ee\u9898\u4e0e\u5bb9\u91cf\u89c4\u5212\u3002<\/li>\n<li><strong>\u544a\u8b66\u6210\u719f\u5ea6\u4e0e\u81ea\u52a8\u5316\u7a0b\u5ea6<\/strong>\uff1a\u662f\u5426\u652f\u6301\u590d\u6742\u7684\u544a\u8b66\u8def\u7531\u3001\u81ea\u52a8\u5316\u811a\u672c\u4e0eAPI\u8c03\u5ea6\u3002<\/li>\n<li><strong>\u4e0e\u73b0\u6709\u57fa\u7840\u8bbe\u65bd\u7684\u517c\u5bb9\u6027<\/strong>\uff1a\u4f8b\u5982\u662f\u5426\u4e0e\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u6216\u4e91\u4e3b\u673a\u7684\u7f51\u7edc\u6253\u901a\u987a\u7545\uff0c\u662f\u5426\u652f\u6301\u5e38\u89c1\u7684\u65e5\u5fd7\/\u76d1\u63a7\u534f\u8bae\u3002<\/li>\n<li><strong>\u8fd0\u7ef4\u6210\u672c\u4e0e\u670d\u52a1\u652f\u6301<\/strong>\uff1a\u81ea\u5efa\u76d1\u63a7\u7075\u6d3b\u53ef\u63a7\u4f46\u9700\u8981\u56e2\u961f\u7ef4\u62a4\uff0c\u6258\u7ba1CDN\u901a\u5e38\u5e26\u6765\u66f4\u5b8c\u6574\u7684SLA\u4e0e\u5168\u7403\u8282\u70b9\u8986\u76d6\u3002<\/li>\n<\/ul>\n<h3>\u9009\u8d2d\u5efa\u8bae\u8981\u70b9<\/h3>\n<ul>\n<li>\u82e5\u4e1a\u52a1\u4e3b\u8981\u5728\u4e9a\u6d32\u3001\u4ee5\u9999\u6e2f\u4e3a\u4e2d\u5fc3\uff0c\u4f18\u5148\u9009\u62e9\u5728\u9999\u6e2f\u6709PoP\u4e0e\u63a2\u9488\u7684\u63d0\u4f9b\u5546\uff0c\u914d\u5408\u9999\u6e2f\u670d\u52a1\u5668\u6216\u9999\u6e2fVPS\u90e8\u7f72\u76d1\u63a7\u91c7\u96c6\u70b9\u3002<\/li>\n<li>\u8de8\u6d0b\u8bbf\u95ee\u573a\u666f\u9700\u786e\u4fdd\u5728\u7f8e\u56fd\u6216\u6b27\u6d32\u6709\u5145\u8db3\u63a2\u9488\uff0c\u4f7f\u7528\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u7f8e\u56fdVPS\u4f5c\u4e3a\u5907\u7528\u56de\u6e90\u53ef\u663e\u8457\u63d0\u5347\u5bb9\u707e\u80fd\u529b\u3002<\/li>\n<li>\u5bf9\u4e8e\u6ce8\u91cd\u6cd5\u89c4\u548c\u6570\u636e\u4e3b\u6743\u7684\u7528\u6237\uff0c\u5e94\u8003\u8651\u5730\u533a\u5316\u90e8\u7f72\uff08\u5982\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\uff09\u5e76\u4fdd\u8bc1\u76d1\u63a7\u6570\u636e\u7684\u672c\u5730\u4fdd\u5b58\u4e0e\u8bbf\u95ee\u63a7\u5236\u3002<\/li>\n<\/ul>\n<h2>\u516d\u3001\u5b9e\u4f8b\u4e0e\u8fd0\u7ef4\u5b9e\u8df5\u5efa\u8bae<\/h2>\n<p>\u5b9e\u8df5\u4e2d\u5e38\u89c1\u7684\u843d\u5730\u505a\u6cd5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5efa\u7acb\u591a\u5c42\u63a2\u9488\uff1a\u672c\u5730\uff08\u540c\u673a\u623f\uff09\u3001\u533a\u57df\uff08\u540c\u56fd\u5bb6\u4e0d\u540c\u673a\u623f\uff09\u3001\u5168\u7403\u63a2\u9488\u4e09\u5c42\u7ec4\u5408\uff0c\u5feb\u901f\u5b9a\u4f4d\u662f\u672c\u5730\u94fe\u8def\u95ee\u9898\u8fd8\u662f\u5168\u7403\u6027\u6545\u969c\u3002<\/li>\n<li>\u5b9e\u73b0\u201c\u7194\u65ad\u5668\u201d\u673a\u5236\uff1a\u5f53\u67d0\u4e2a\u8282\u70b9\u8fde\u7eed\u591a\u6b21\u63a2\u6d4b\u5931\u8d25\u540e\u7acb\u5373\u5254\u9664\u5e76\u6267\u884c\u56de\u9000\u7b56\u7565\uff0c\u907f\u514d\u6301\u7eed\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n<li>\u5b9a\u671f\u6f14\u7ec3\u6545\u969c\u6062\u590d\u6d41\u7a0b\uff1a\u6a21\u62df\u8282\u70b9\u5254\u9664\u3001\u56de\u6e90\u5931\u8054\u3001DNS\u6c61\u67d3\u7b49\u573a\u666f\uff0c\u9a8c\u8bc1\u76d1\u63a7\u4e0e\u81ea\u52a8\u5316\u6d41\u7a0b\u7684\u6709\u6548\u6027\u3002<\/li>\n<li>\u7ed3\u5408\u65e5\u5fd7\u4e0e\u8ffd\u8e2a\uff08Tracing\uff09\uff1a\u5728\u51fa\u95ee\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