{"id":210259,"date":"2025-10-24T09:34:50","date_gmt":"2025-10-24T01:34:50","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210259\/"},"modified":"2025-10-24T09:34:52","modified_gmt":"2025-10-24T01:34:52","slug":"cdn-341","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210259\/","title":{"rendered":"CDN\u8de8\u5883\u52a0\u901f\u65b0\u7eaa\u5143\uff1a\u667a\u80fd\u8def\u7531\u00d7\u8fb9\u7f18\u8ba1\u7b97\u7684\u6280\u672f\u7a81\u7834"},"content":{"rendered":"<p>\u968f\u7740\u5168\u7403\u4e92\u8054\u7f51\u4e1a\u52a1\u7684\u788e\u7247\u5316\u548c\u7528\u6237\u5bf9\u4f4e\u5ef6\u8fdf\u3001\u9ad8\u53ef\u7528\u6027\u7684\u5f3a\u70c8\u9700\u6c42\uff0c\u4f20\u7edf\u7684CDN\u5df2\u8fdb\u5165\u4e00\u4e2a\u65b0\u7684\u53d1\u5c55\u9636\u6bb5\u3002\u901a\u8fc7\u5c06<strong>\u667a\u80fd\u8def\u7531\uff08Smart Routing\uff09<\/strong>\u4e0e<strong>\u8fb9\u7f18\u8ba1\u7b97\uff08Edge 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Anycast\u7ed3\u5408\u4f1a\u8bdd\u590d\u5236\uff09\u4fdd\u8bc1\u6b63\u5728\u8fdb\u884c\u7684TCP\/QUIC\u4f1a\u8bdd\u4e2d\u65ad\u6700\u5c0f\u5316\u3002<\/li>\n<\/ul>\n<h3>\u8fb9\u7f18\u8ba1\u7b97\uff1a\u628a\u201c\u7b97\u201d\u63a8\u5230\u79bb\u7528\u6237\u66f4\u8fd1\u7684\u5730\u65b9<\/h3>\n<p>\u8fb9\u7f18\u8ba1\u7b97\u5728CDN\u4e2d\u7684\u89d2\u8272\u5df2\u4ece\u7b80\u5355\u7f13\u5b58\u5347\u7ea7\u4e3a\u201c\u8fb9\u7f18\u6267\u884c\u73af\u5883\u201d\u3002\u6280\u672f\u8981\u70b9\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5bb9\u5668\u5316\u4e0e\u65e0\u670d\u52a1\u5668\uff08Serverless\uff09\u8fd0\u884c\u65f6\uff1a\u652f\u6301\u77ed\u65f6\u4efb\u52a1\u4e0e\u52a8\u6001\u5185\u5bb9\u751f\u6210\uff0c\u51cf\u5c11\u56de\u6e90\u8bf7\u6c42\u3002<\/li>\n<li>API\u7f51\u5173\u4e0e\u8fb9\u7f18\u903b\u8f91\uff1a\u5728\u8fb9\u7f18\u5904\u7406\u9274\u6743\u3001A\/B\u6d4b\u8bd5\u3001\u56fe\u50cf\u538b\u7f29\u3001HTML\u7247\u6bb5\u6e32\u67d3\u7b49\uff0c\u964d\u4f4e\u6e90\u7ad9\u538b\u529b\u4e0e\u56fd\u9645\u56de\u7a0b\u5ef6\u8fdf\u3002<\/li>\n<li>\u5b89\u5168\u4e0e\u9694\u79bb\uff1a\u501f\u52a9\u57fa\u4e8e\u5bb9\u5668\u7684\u6c99\u7bb1\u3001WASM\uff08WebAssembly\uff09\u6216\u8f7b\u91cf\u865a\u62df\u5316\uff0c\u786e\u4fdd\u7528\u6237\u4ee3\u7801\u5728\u8fb9\u7f18\u8fd0\u884c\u65f6\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<h2>\u5178\u578b\u5e94\u7528\u573a\u666f<\/h2>\n<h3>\u8de8\u5883\u7535\u5546\u4e0e\u5168\u7403\u5185\u5bb9\u5206\u53d1<\/h3>\n<p>\u5bf9\u4e8e\u8de8\u5883\u7535\u5546\uff0c\u5173\u952e\u662f\u7528\u6237\u4f53\u9a8c\u7684\u4e00\u81f4\u6027\u3002\u7ed3\u5408\u667a\u80fd\u8def\u7531\uff0c\u80fd\u786e\u4fdd\u7528\u6237\u8bbf\u95ee\u6700\u8fd1\u4e14\u8def\u5f84\u6700\u4f18\u7684POP\uff1b\u8fb9\u7f18\u8ba1\u7b97\u53ef\u5728POP\u7aef\u5b8c\u6210\u4ef7\u683c\u8ba1\u7b97\u3001\u4f1a\u8bdd\u534f\u8c03\u548c\u9875\u9762\u4e2a\u6027\u5316\uff0c\u663e\u8457\u964d\u4f4e\u9875\u9762\u6e32\u67d3\u65f6\u95f4\u4e0e\u8d2d\u7269\u8f66\u653e\u5f03\u7387\u3002<\/p>\n<h3>\u5b9e\u65f6\u5e94\u7528\u4e0e\u6e38\u620f\u52a0\u901f<\/h3>\n<p>\u5b9e\u65f6\u7c7b\u5e94\u7528\u5bf9\u5ef6\u8fdf\u6781\u5ea6\u654f\u611f\u3002\u667a\u80fd\u8def\u7531\u9700\u8981\u4e0e\u6e38\u620f\u670d\u52a1\u5668\u7684\u5339\u914d\u8c03\u5ea6\u7ed3\u5408\uff0c\u5fc5\u8981\u65f6\u91c7\u7528\u4e13\u7ebf\u6216SD-WAN\u7b56\u7565\u4fdd\u8bc1\u6296\u52a8\u4e0e\u4e22\u5305\u7387\u4f4e\uff1b\u8fb9\u7f18\u4fa7\u53ef\u5b9e\u73b0\u7269\u7406\u5c42\u6216\u5e94\u7528\u5c42\u7684\u5ef6\u8fdf\u4f18\u5316\uff08\u5982QUIC+\u524d\u5411\u7ea0\u9519\u3001UDP\u6d41\u91cf\u4f18\u5316\uff09\u3002<\/p>\n<h3>\u52a8\u6001API\u4e0e\u5fae\u670d\u52a1\u8de8\u5883\u8c03\u7528<\/h3>\n<p>\u73b0\u4ee3\u5fae\u670d\u52a1\u67b6\u6784\u4e0b\uff0cAPI\u8c03\u7528\u9891\u7e41\u4e14\u5ef6\u8fdf\u654f\u611f\u3002\u901a\u8fc7\u5728\u8fb9\u7f18\u90e8\u7f72API\u7f51\u5173\u3001\u7f13\u5b58\u5e38\u7528\u54cd\u5e94\u5e76\u8fdb\u884c\u8bf7\u6c42\u805a\u5408\uff0c\u53ef\u5c06\u8de8\u5883API\u8c03\u7528\u7684\u9891\u6b21\u4e0e\u5ef6\u8fdf\u663e\u8457\u964d\u4f4e\uff0c\u540c\u65f6\u4fdd\u6301\u5b89\u5168\u7b56\u7565\uff08JWT\u6821\u9a8c\u3001\u901f\u7387\u9650\u5236\uff09\u5728\u8fb9\u7f18\u843d\u5730\u3002<\/p>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u4e0e\u4f20\u7edfCDN\u7684\u672c\u8d28\u5dee\u5f02<\/h2>\n<p>\u65b0\u4e00\u4ee3\u65b9\u6848\u5728\u4ee5\u4e0b\u51e0\u4e2a\u7ef4\u5ea6\u5e26\u6765\u8dc3\u8fc1\u6027\u6539\u8fdb\uff1a<\/p>\n<ul>\n<li><strong>\u5ef6\u8fdf\u4e0e\u7a33\u5b9a\u6027\uff1a<\/strong>\u667a\u80fd\u8def\u7531\u7ed3\u5408\u5b9e\u65f6\u6d4b\u91cf\u80fd\u907f\u514d\u77ed\u65f6\u94fe\u8def\u7a81\u53d8\u5f15\u53d1\u7684\u6027\u80fd\u4e0b\u964d\uff0c\u8fb9\u7f18\u8ba1\u7b97\u51cf\u5c11\u56de\u6e90\u6b21\u6570\u3002<\/li>\n<li><strong>\u53ef\u6269\u5c55\u6027\uff1a<\/strong>\u901a\u8fc7\u5bb9\u5668\u6216\u65e0\u670d\u52a1\u5668\u6a21\u578b\u53ef\u5728\u6d41\u91cf\u6fc0\u589e\u65f6\u5feb\u901f\u5f39\u6027\u6269\u5bb9\uff0c\u800c\u4f20\u7edfCDN\u66f4\u591a\u4f9d\u8d56\u7f13\u5b58\u5bb9\u91cf\u4e0e\u5e26\u5bbd\u6269\u5c55\u3002<\/li>\n<li><strong>\u5b89\u5168\u80fd\u529b\uff1a<\/strong>\u8fb9\u7f18\u5c31\u5730\u9632\u62a4\uff08WAF\u3001DDoS\u7f13\u89e3\u3001\u901f\u7387\u9650\u5236\uff09\u53ef\u4ee5\u5728\u56fd\u9645\u94fe\u8def\u4e4b\u524d\u62e6\u622a\u653b\u51fb\uff0c\u51cf\u8f7b\u56de\u6e90\u4e0e\u4e2d\u8f6c\u538b\u529b\u3002<\/li>\n<li><strong>\u6210\u672c\u4f18\u5316\uff1a<\/strong>\u667a\u80fd\u8def\u7531\u53ef\u57fa\u4e8e\u6210\u672c\u7b56\u7565\u9009\u62e9\u66f4\u4f18\u8def\u5f84\uff08\u5982\u5e73\u8861\u5e26\u5bbd\u8d39\u7528\u4e0e\u6027\u80fd\uff09\uff0c\u8fb9\u7f18\u8ba1\u7b97\u51cf\u5c11\u56de\u6e90\u51fa\u7ad9\u6d41\u91cf\uff0c\u4ece\u800c\u63a7\u5236\u5883\u9645\u8d39\u7528\u3002<\/li>\n<\/ul>\n<h2>\u5173\u952e\u6280\u672f\u5b9e\u73b0\u7ec6\u8282<\/h2>\n<h3>\u4f20\u8f93\u5c42\u4e0e\u534f\u8bae\u4f18\u5316<\/h3>\n<p>\u73b0\u4ee3\u8de8\u5883\u52a0\u901f\u4e0d\u53ef\u5ffd\u89c6\u4f20\u8f93\u534f\u8bae\u7684\u6f14\u8fdb\uff1a<\/p>\n<ul>\n<li>HTTP\/2\u4e0eHTTP\/3\uff08\u57fa\u4e8eQUIC\uff09\u5728\u591a\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