{"id":210193,"date":"2025-10-24T07:24:11","date_gmt":"2025-10-23T23:24:11","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210193\/"},"modified":"2025-10-24T07:24:12","modified_gmt":"2025-10-23T23:24:12","slug":"cdn-315","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210193\/","title":{"rendered":"\u4e91\u539f\u751fCDN\u65b0\u8d8b\u52bf\uff1a\u8fb9\u7f18\u667a\u80fd\u4e0e\u96f6\u4fe1\u4efb\u5e76\u8fdb"},"content":{"rendered":"<p>\u968f\u7740\u4e91\u539f\u751f\u67b6\u6784\u5728\u4f01\u4e1a\u7ea7\u4e92\u8054\u7f51\u670d\u52a1\u4e2d\u666e\u53ca\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u4e5f\u5728\u7ecf\u5386\u4ece\u4f20\u7edf\u9759\u6001\u7f13\u5b58\u5411\u5177\u5907\u8ba1\u7b97\u80fd\u529b\u548c\u5b89\u5168\u7b56\u7565\u7684\u201c\u667a\u80fd\u8fb9\u7f18\u201d\u5347\u7ea7\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u5b89\u5168\u6a21\u578b\u6b63\u4ece\u5916\u56f4\u9632\u5fa1\u6f14\u8fdb\u4e3a\u201c\u96f6\u4fe1\u4efb\u201d\u67b6\u6784\uff0c\u4e24\u8005\u5e76\u8fdb\u63a8\u52a8\u65b0\u4e00\u4ee3\u4e91\u539f\u751fCDN\u7684\u8bbe\u8ba1\u4e0e\u90e8\u7f72\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u6df1\u5165\u63a2\u8ba8\u4e91\u539f\u751fCDN\u7684\u65b0\u8d8b\u52bf\u3001\u5b9e\u73b0\u539f\u7406\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u3001\u4f18\u52bf\u5bf9\u6bd4\u4e0e\u9009\u8d2d\u5efa\u8bae\u3002<\/p>\n<h2>\u4e91\u539f\u751fCDN\u4e3a\u4f55\u8d70\u5411\u8fb9\u7f18\u667a\u80fd\u4e0e\u96f6\u4fe1\u4efb<\/h2>\n<p>\u4f20\u7edfCDN\u4fa7\u91cd\u4e8e\u9759\u6001\u5185\u5bb9\u7f13\u5b58\u548c\u7f51\u7edc\u52a0\u901f\uff0c\u4f9d\u8d56\u4e2d\u5fc3\u5316\u7684\u914d\u7f6e\u4e0e\u5355\u4e00\u8bc1\u4e66\u7ba1\u7406\u3002\u5728\u4e91\u539f\u751f\u73af\u5883\u4e0b\uff0c\u5e94\u7528\u88ab\u62c6\u5206\u4e3a\u5fae\u670d\u52a1\u3001\u5bb9\u5668\u4e0e\u51fd\u6570\uff0c\u6d41\u91cf\u7279\u5f81\u3001\u8ba4\u8bc1\u9700\u6c42\u4e0e\u4e1a\u52a1\u903b\u8f91\u8d8a\u6765\u8d8a\u9700\u8981\u5728\u9760\u8fd1\u7528\u6237\u7684\u8fb9\u7f18\u8282\u70b9\u5c31\u5730\u5904\u7406\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u653b\u51fb\u9762\u4ece\u7f51\u7edc\u8fb9\u754c\u6269\u5c55\u5230\u5e94\u7528\u4e0e\u670d\u52a1\u95f4\u8c03\u7528\uff0c\u4fc3\u4f7f\u96f6\u4fe1\u4efb\u5b89\u5168\u6210\u4e3a\u5fc5\u8981\u3002<\/p>\n<p><strong>\u8fb9\u7f18\u667a\u80fd<\/strong>\u5f3a\u8c03\u5728POP\uff08Point 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\u53ef\u7528\u4e8e\u5b9e\u73b0\u4f4e\u5ef6\u8fdf\u7684\u5305\u5904\u7406\u3001\u6d41\u91cf\u91c7\u6837\u4e0e\u76d1\u63a7\uff0c\u4ece\u800c\u63d0\u5347\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u7684\u8868\u73b0\u3002\u540c\u65f6\uff0ceBPF \u53ef\u4ee5\u5728\u4e0d\u91cd\u542f\u670d\u52a1\u7684\u60c5\u51b5\u4e0b\u6ce8\u5165\u63a2\u9488\uff0c\u914d\u5408\u5206\u5e03\u5f0f\u8ffd\u8e2a\uff08OpenTelemetry\uff09\u5b9e\u73b0\u53ef\u89c2\u6d4b\u6027\u3002<\/p>\n<h3>\u96f6\u4fe1\u4efb\u8eab\u4efd\u4e0e\u7b56\u7565\u6267\u884c<\/h3>\n<p>\u5b9e\u73b0\u96f6\u4fe1\u4efb\u9700\u8981\u591a\u5c42\u80fd\u529b\uff1a\u670d\u52a1\u95f4\u7684 mTLS \u4e0e\u8bc1\u4e66\u81ea\u52a8\u5316\uff08\u4f8b\u5982\u4f7f\u7528 SPIFFE\/SPIRE\uff09\uff1b\u8bf7\u6c42\u5c42\u7684 JWT \u9a8c\u8bc1\u4e0e OIDC 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POP\uff0c\u964d\u4f4e\u56de\u6e90\u5e26\u5bbd\u5e76\u63d0\u5347\u89c6\u9891\u5c31\u7eea\u65f6\u95f4\u3002<\/li>\n<li>API \u7f51\u5173\u4e0e DDoS \u7f13\u89e3\uff1a\u5728\u8fb9\u7f18\u8fdb\u884c\u8bf7\u6c42\u8fc7\u6ee4\u3001\u901f\u7387\u9650\u5236\u4e0e\u884c\u4e3a\u5206\u6790\uff0c\u7ed3\u5408\u96f6\u4fe1\u4efb\u7b56\u7565\u907f\u514d\u6076\u610f\u8bf7\u6c42\u4f20\u64ad\u5230\u5185\u90e8\u670d\u52a1\u3002<\/li>\n<li>\u8de8\u56fd\u5408\u89c4\u4e0e\u5ef6\u8fdf\u4f18\u5316\uff1a\u5728\u4e9a\u6d32\/\u7f8e\u6d32\/\u6b27\u6d32\u7684\u8fb9\u7f18\u8282\u70b9\u505a\u5408\u89c4\u5ba1\u8ba1\u548c\u672c\u5730\u5316\u7f13\u5b58\uff0c\u914d\u5408 Anycast \u4e0e\u667a\u80fd\u8def\u7531\uff0c\u4ee5\u6539\u5584\u7528\u6237\u8bbf\u95ee\u4f53\u9a8c\uff08\u4f8b\u5982\u9999\u6e2f\u3001\u4e1c\u4eac\u3001\u65b0\u52a0\u5761\u3001\u9996\u5c14\u7b49\u8282\u70b9\u8054\u52a8\uff09\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u4f20\u7edfCDN vs \u4e91\u539f\u751f\u8fb9\u7f18CDN<\/h2>\n<h3>\u6027\u80fd\u4e0e\u5ef6\u8fdf<\/h3>\n<p>\u4e91\u539f\u751f\u8fb9\u7f18CDN\u901a\u8fc7\u5728\u8fb9\u7f18\u6267\u884c\u8ba1\u7b97\u4efb\u52a1\u51cf\u5c11\u56de\u6e90\u6b21\u6570\uff0c\u914d\u5408\u667a\u80fd\u8def\u7531\u4e0e\u670d\u52a1\u7f51\u683c\u53ef\u4ee5\u663e\u8457\u964d\u4f4e P90\/P99 \u5ef6\u8fdf\u3002\u4f20\u7edf CDN \u4f9d\u8d56\u7f13\u5b58\u547d\u4e2d\u7387\u4e0e\u4e2d\u5fc3\u5316\u52a0\u901f\uff0c\u9762\u5bf9\u52a8\u6001\u5185\u5bb9\u573a\u666f\u8868\u73b0\u6709\u9650\u3002<\/p>\n<h3>\u53ef\u6269\u5c55\u6027\u4e0e\u90e8\u7f72\u7075\u6d3b\u6027<\/h3>\n<p>\u5728 Kubernetes \u73af\u5883\u4e2d\uff0c\u8fb9\u7f18 runtime \u53ef\u901a\u8fc7 CRD \u548c Helm chart \u81ea\u52a8\u90e8\u7f72\uff0c\u652f\u6301 GitOps \u6d41\u6c34\u7ebf\u4e0e\u84dd\u7eff\/\u91d1\u4e1d\u96c0\u53d1\u5e03\u3002\u76f8\u5bf9\u5730\uff0c\u4f20\u7edf CDN \u5bf9\u5b9a\u5236\u903b\u8f91\u652f\u6301\u8f83\u5f31\uff0c\u6269\u5c55\u9700\u8981\u4f9b\u5e94\u5546\u5c42\u9762\u6539\u9020\u3002<\/p>\n<h3>\u5b89\u5168\u6027<\/h3>\n<p>\u96f6\u4fe1\u4efb\u5c06\u8ba4\u8bc1\u4e0e\u6388\u6743\u903b\u8f91\u5185\u5d4c\u5230\u6bcf\u4e2a\u8bf7\u6c42\u5904\u7406\u70b9\uff0c\u663e\u8457\u63d0\u9ad8\u6a2a\u5411\u5b89\u5168\u6027\u3002\u4f20\u7edf CDN \u66f4\u591a\u4f9d\u9760 ACL \u4e0e IP \u9ed1\u767d\u540d\u5355\uff0c\u65e0\u6cd5\u963b\u6b62\u51ed\u8bc1\u88ab\u6ee5\u7528\u7684\u5185\u90e8\u6a2a\u5411\u6d41\u91cf\u3002<\/p>\n<h3>\u8fd0\u8425\u4e0e\u6210\u672c<\/h3>\n<p>\u8fb9\u7f18\u8ba1\u7b97\u53ef\u51cf\u5c11\u56de\u6e90\u5e26\u5bbd\u6210\u672c\uff0c\u4f46\u4f1a\u589e\u52a0\u8fb9\u7f18\u8ba1\u7b97\u8d44\u6e90\u4e0e\u7ba1\u7406\u590d\u6742\u5ea6\u3002\u5bf9\u6bd4\u4e4b\u4e0b\uff0c\u4f20\u7edf CDN 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\u52a0\u901f\u4ecd\u5177\u6027\u4ef7\u6bd4\uff1b\u82e5\u9700\u5728\u8fb9\u7f18\u6267\u884c\u4e1a\u52a1\u903b\u8f91\u3001\u4e2a\u6027\u5316\u6e32\u67d3\u6216\u9700\u4e25\u683c\u7684\u670d\u52a1\u95f4\u63a7\u5236\uff0c\u5e94\u4f18\u5148\u8003\u8651\u4e91\u539f\u751f\u8fb9\u7f18CDN\u3002<\/li>\n<li>\u8bc4\u4f30\u5f00\u53d1\u4e0e\u8fd0\u7ef4\u80fd\u529b\uff1a\u8fb9\u7f18\u667a\u80fd\u4e0e\u96f6\u4fe1\u4efb\u7684\u5b9e\u73b0\u9700\u8981\u56e2\u961f\u5177\u5907\u5bb9\u5668\u3001\u670d\u52a1\u7f51\u683c\u3001\u8bc1\u4e66\u81ea\u52a8\u5316\u4e0e\u7b56\u7565\u5f15\u64ce\u7684\u8fd0\u7ef4\u7ecf\u9a8c\uff0c\u5efa\u8bae\u9010\u6b65\u8fed\u4ee3\u5e76\u91c7\u7528 GitOps \u6d41\u7a0b\u3002<\/li>\n<li>\u5173\u6ce8\u53ef\u89c2\u6d4b\u6027\u4e0e 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