{"id":210009,"date":"2025-10-24T04:01:22","date_gmt":"2025-10-23T20:01:22","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210009\/"},"modified":"2025-10-24T04:01:23","modified_gmt":"2025-10-23T20:01:23","slug":"cdn-238","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210009\/","title":{"rendered":"CDN\u8282\u70b9\u6269\u5bb9\u5b9e\u6218\uff1a\u5feb\u901f\u7a33\u6269\u4e0e\u6210\u672c\u4f18\u5316\u6280\u5de7"},"content":{"rendered":"<p>\u968f\u7740\u5168\u7403\u4e92\u8054\u7f51\u4e1a\u52a1\u5bf9\u4f4e\u5ef6\u8fdf\u548c\u9ad8\u53ef\u7528\u6027\u7684\u9700\u6c42\u65e5\u76ca\u589e\u957f\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u8282\u70b9\u7684\u6269\u5bb9\u5df2\u6210\u4e3a\u7ad9\u957f\u3001\u4f01\u4e1a\u53ca\u5f00\u53d1\u8005\u5728\u5e94\u5bf9\u7a81\u53d1\u6d41\u91cf\u3001\u4fdd\u969c\u7528\u6237\u4f53\u9a8c\u548c\u63a7\u5236\u6210\u672c\u65b9\u9762\u7684\u91cd\u8981\u8bfe\u9898\u3002\u672c\u6587\u4ece\u539f\u7406\u5230\u5b9e\u6218\uff0c\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u5b9e\u73b0CDN\u8282\u70b9\u7684\u201c\u5feb\u901f\u7a33\u6269\u201d\u4e0e\u201c\u6210\u672c\u4f18\u5316\u201d\uff0c\u5e76\u7ed3\u5408\u5b9e\u9645\u573a\u666f\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u52a9\u4f60\u5728\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u7b49\u591a\u5730\u57df\u90e8\u7f72\u548c\u4f18\u5316\u5185\u5bb9\u5206\u53d1\u3002<\/p>\n<h2>\u7406\u89e3CDN\u8282\u70b9\u6269\u5bb9\u7684\u6838\u5fc3\u539f\u7406<\/h2>\n<p>\u8981\u9ad8\u6548\u6269\u5bb9\uff0c\u9996\u5148\u9700\u7406\u89e3CDN\u7684\u5de5\u4f5c\u6a21\u578b\u3002CDN\u7531\u591a\u4e2a\u5206\u5e03\u5728\u5168\u7403\u7684PoP\uff08Point 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Grafana\uff09\uff0c\u5e76\u7ed3\u5408\u81ea\u52a8\u5316\u4f38\u7f29\u7b56\u7565\u89e6\u53d1\u6269\u5bb9\/\u6536\u7f29\u3002<\/li>\n<\/ul>\n<h3>\u6d41\u91cf\u7a81\u589e\u65f6\u7684\u5feb\u901f\u54cd\u5e94\u6280\u5de7<\/h3>\n<ul>\n<li>\u542f\u7528\u201c\u6d41\u91cf\u9608\u503c\u89e6\u53d1\u6269\u5bb9\u201d\u89c4\u5219\uff1a\u5f53QPS\u8d85\u8fc7\u9608\u503c\u81ea\u52a8\u6dfb\u52a0PoP\u6216\u589e\u52a0\u8fb9\u7f18\u5b9e\u4f8b\u3002<\/li>\n<li>\u5373\u65f6\u8c03\u6574\u7f13\u5b58\u7b56\u7565\uff08\u5ef6\u957fTTL\u3001\u542f\u7528Stale-while-revalidate\uff09\u4ee5\u51cf\u5c11\u56de\u6e90\u3002<\/li>\n<li>\u4e34\u65f6\u538b\u7f29\u8d44\u6e90\uff08\u5f00\u542fBrotli\/Gzip\uff09\u3001\u964d\u4f4e\u56fe\u7247\u5206\u8fa8\u7387\u6216\u5f00\u542f\u4f4e\u6e05\u6a21\u5f0f\u4ee5\u964d\u4f4e\u5e26\u5bbd\u6d88\u8017\u3002<\/li>\n<\/ul>\n<h2>\u6210\u672c\u4f18\u5316\u7b56\u7565\uff1a\u5728\u6269\u5bb9\u4e0e\u8d39\u7528\u95f4\u53d6\u5f97\u5e73\u8861<\/h2>\n<p>\u6269\u5bb9\u56fa\u7136\u91cd\u8981\uff0c\u4f46\u6210\u672c\u63a7\u5236\u540c\u6837\u5173\u952e\u3002\u4ee5\u4e0b\u4e3a\u5e38\u7528\u7684\u6210\u672c\u4f18\u5316\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u6309\u9700\u4e0e\u9884\u7559\u8d44\u6e90\u7ed3\u5408<\/strong>\uff1a\u5bf9\u7a33\u5b9a\u6d41\u91cf\u4f7f\u7528\u9884\u7559\u6216\u5305\u5e74\u5e26\u5bbd\uff0c\u7a81\u53d1\u6d41\u91cf\u4f7f\u7528\u6309\u9700\u6269\u5bb9\u6216BGP Anycast\u4e34\u65f6\u8282\u70b9\u3002<\/li>\n<li><strong>\u5206\u533a\u57df\u6d41\u91cf\u7b56\u7565<\/strong>\uff1a\u5c06\u9ad8\u6210\u672c\u533a\u57df\uff08\u5982\u7f8e\u6d32\u3001\u6b27\u6d32\uff09\u6d41\u91cf\u4e0e\u4f4e\u6210\u672c\u533a\u57df\u533a\u5206\u5904\u7406\uff0c\u70ed\u70b9\u5185\u5bb9\u4f18\u5148\u7f13\u5b58\u81f3\u6210\u672c\u8f83\u4f4e\u7684\u8282\u70b9\u3002<\/li>\n<li><strong>\u538b\u7f29\u4e0e\u5408\u5e76\u8bf7\u6c42<\/strong>\uff1a\u5408\u5e76\u5c0f\u6587\u4ef6\u3001\u5f00\u542f\u957f\u7f13\u5b58\uff0c\u51cf\u5c11\u8bf7\u6c42\u6570\u548c\u8fb9\u7f18\u5904\u7406\u6210\u672c\u3002<\/li>\n<li><strong>\u667a\u80fd\u5f52\u6863\u4e0e\u51b7\u6570\u636e\u7b56\u7565<\/strong>\uff1a\u5bf9\u51b7\u95e8\u8d44\u6e90\u56de\u6e90\u81f3\u4f4e\u6210\u672c\u5b58\u50a8\u6216\u957f\u65f6\u5b58\u50a8\u670d\u52a1\uff0c\u8fb9\u7f18\u4ec5\u4fdd\u7559\u77ed\u671f\u7f13\u5b58\u3002<\/li>\n<li><strong>\u76d1\u63a7\u8d39\u7528\u6765\u6e90<\/strong>\uff1a\u6309\u6d41\u91cf\u3001\u56de\u6e90\u6b21\u6570\u3001\u533a\u57df\u7ef4\u5ea6\u62c6\u5206\u8d39\u7528\uff0c\u8bc6\u522b\u5e76\u4f18\u5316\u9ad8\u6d88\u8017\u70b9\u3002<\/li>\n<\/ul>\n<h3>\u9009\u62e9\u5408\u9002\u8282\u70b9\u4e0e\u4f9b\u5e94\u5546\u7684\u6210\u672c\u8003\u91cf<\/h3>\n<p>\u4e0d\u540c\u533a\u57df\u7684\u8282\u70b9\u6210\u672c\u4e0e\u6027\u80fd\u5dee\u522b\u660e\u663e\u3002\u9009\u8d2d\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u5728\u4e9a\u6d32\u5bc6\u96c6\u7528\u6237\u573a\u666f\u9996\u9009\u9999\u6e2f\u670d\u52a1\u5668\u3001\u9999\u6e2fVPS\u6216\u65b0\u52a0\u5761\u670d\u52a1\u5668\uff0c\u4ee5\u83b7\u5f97\u4f4e\u5ef6\u8fdf\u548c\u6210\u719f\u5e26\u5bbd\u3002<\/li>\n<li>\u8986\u76d6\u7f8e\u6d32\u5e02\u573a\u53ef\u8003\u8651\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u7f8e\u56fdVPS\uff0c\u5229\u7528\u672c\u5730\u5e26\u5bbd\u4e0e\u76f4\u8fde\u4f18\u52bf\u964d\u4f4e\u5ef6\u8fdf\u548c\u56de\u6e90\u8d39\u7528\u3002<\/li>\n<li>\u5bf9\u4e8e\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u7b49\u533a\u57df\uff0c\u4f18\u5148\u9009\u62e9\u672c\u5730PoP\u4ee5\u6ee1\u8db3\u6cd5\u5f8b\u4e0e\u6027\u80fd\u9700\u6c42\u3002<\/li>\n<li>\u57df\u540d\u6ce8\u518c\u4e0e\u8bc1\u4e66\u7ba1\u7406\u4e5f\u4f1a\u5f71\u54cd\u5168\u7403\u90e8\u7f72\uff0c\u5efa\u8bae\u4f7f\u7528\u652f\u6301\u5168\u7403Anycast DNS\u7684\u57df\u540d\u89e3\u6790\u670d\u52a1\u6765\u63d0\u5347\u89e3\u6790\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1aAnycast vs GeoDNS vs \u4f20\u7edfDNS<\/h2>\n<p>\u4e09\u8005\u5728\u6269\u5bb9\u80fd\u529b\u4e0e\u6210\u672c\u4e0a\u7684\u533a\u522b\uff1a<\/p>\n<ul>\n<li><strong>Anycast<\/strong>\uff1a\u90e8\u7f72\u6210\u672c\u9ad8\u4f46\u4f53\u9a8c\u6700\u597d\uff0c\u80fd\u5b9e\u73b0\u5373\u65f6\u8def\u7531\u5207\u6362\uff0c\u9002\u5408\u9700\u8981\u6781\u4f4eTTR\uff08Time To Recovery\uff09\u4e0e\u5927\u89c4\u6a21\u7a81\u53d1\u6d41\u91cf\u7684\u670d\u52a1\u3002<\/li>\n<li><strong>GeoDNS<\/strong>\uff1a\u90e8\u7f72\u7075\u6d3b\u3001\u6210\u672c\u4e2d\u7b49\uff0c\u9002\u5408\u6709\u5730\u57df\u8def\u7531\u7b56\u7565\u548c\u5408\u89c4\u9700\u6c42\u7684\u573a\u666f\u3002<\/li>\n<li><strong>\u4f20\u7edfDNS<\/strong>\uff1a\u6210\u672c\u6700\u4f4e\uff0c\u4f46\u5728\u9ad8\u901f\u6545\u969c\u5207\u6362\u548c\u7cbe\u7ec6\u5316\u6d41\u91cf\u5206\u914d\u65b9\u9762\u80fd\u529b\u6709\u9650\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u5efa\u8bae\u4e0e\u5b9e\u8df5\u68c0\u67e5\u6e05\u5355<\/h2>\n<p>\u5728\u9009\u62e9CDN\u6216\u989d\u5916\u8282\u70b9\u65f6\uff0c\u5efa\u8bae\u53c2\u8003\u4ee5\u4e0b\u6e05\u5355\uff1a<\/p>\n<ul>\n<li>\u8986\u76d6\u533a\u57df\u4e0ePoP\u6570\u91cf\u662f\u5426\u6ee1\u8db3\u76ee\u6807\u7528\u6237\u5206\u5e03\uff08\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u7b49\uff09\u3002<\/li>\n<li>\u662f\u5426\u652f\u6301Anycast\u3001GeoDNS\u3001\u5206\u5c42\u7f13\u5b58\u4e0e\u81ea\u5b9a\u4e49\u7f13\u5b58\u7b56\u7565\u3002<\/li>\n<li>\u76d1\u63a7\u4e0e\u65e5\u5fd7\u80fd\u529b\uff08\u5b9e\u65f6\u6307\u6807\u3001\u56de\u6eaf\u65e5\u5fd7\u3001\u8fb9\u7f18\u65e5\u5fd7\uff09\u662f\u5426\u5b8c\u5907\u3002<\/li>\n<li>\u5f39\u6027\u6269\u5bb9\u80fd\u529b\uff1a\u662f\u5426\u652f\u6301IaC\u3001\u81ea\u52a8\u4f38\u7f29\u4e0e\u7070\u5ea6\u53d1\u5e03\u3002<\/li>\n<li>\u6210\u672c\u6a21\u578b\u662f\u5426\u900f\u660e\uff1a\u5e26\u5bbd\u8ba1\u8d39\u3001\u56de\u6e90\u8ba1\u8d39\u3001\u8bf7\u6c42\u8ba1\u8d39\u7b49\u662f\u5426\u6e05\u6670\u53ef\u63a7\u3002<\/li>\n<li>\u662f\u5426\u652f\u6301TLS\u5378\u8f7d\u3001HTTP\/2\/3\u3001Brotli\u538b\u7f29\u7b49\u73b0\u4ee3\u4f20\u8f93\u4f18\u5316\u6280\u672f\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<p>CDN\u8282\u70b9\u6269\u5bb9\u65e2\u662f\u6280\u672f\u95ee\u9898\u4e5f\u662f\u6210\u672c\u5de5\u7a0b\u3002\u901a\u8fc7\u5408\u7406\u7684\u67b6\u6784\u8bbe\u8ba1\uff08Anycast\u4e0eGeoDNS\u7ed3\u5408\uff09\u3001\u7ec6\u7c92\u5ea6\u7f13\u5b58\u7b56\u7565\u3001\u81ea\u52a8\u5316\u6269\u5bb9\u4e0e\u7cbe\u7ec6\u5316\u6210\u672c\u76d1\u63a7\uff0c\u53ef\u4ee5\u8fbe\u5230\u201c\u5feb\u901f\u7a33\u6269\u201d\u4e0e\u201c\u6210\u672c\u53ef\u63a7\u201d\u7684\u5e73\u8861\u3002\u5bf9\u7ad9\u957f\u548c\u4f01\u4e1a\u6765\u8bf4\uff0c\u7ed3\u5408\u4e1a\u52a1\u5730\u57df\uff08\u5982\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u548c\u65b0\u52a0\u5761\uff09\u9009\u62e9\u5408\u9002\u7684\u670d\u52a1\u5668\u6216VPS\u4f5c\u4e3a\u56de\u6e90\u4e0e\u4e2d\u7ee7\u8282\u70b9\uff0c\u5c06\u5927\u5e45\u63d0\u5347\u6269\u5bb9\u6548\u679c\u4e0e\u7528\u6237\u4f53\u9a8c\u3002\u540c\u65f6\uff0c\u4e0d\u8981\u5ffd\u89c6\u57df\u540d\u89e3\u6790\u4e0e\u8bc1\u4e66\u7ba1\u7406\u5728\u5168\u7403\u5206\u53d1\u4e2d\u7684\u57fa\u7840\u4f5c\u7528\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u8003\u8651\u5728\u9999\u6e2f\u6216\u6d77\u5916\u90e8\u7f72\u56de\u6e90\u6216\u4e2d\u7ee7\u8282\u70b9\uff0c\u53ef\u4ee5\u53c2\u8003 Server.HK \u7684\u76f8\u5173\u4ea7\u54c1\uff1a<a href=\"https:\/\/server.hk\/server.php\" target=\"_blank\" rel=\"noopener\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\uff0c\u6216\u8bbf\u95ee\u4e3b\u7ad9\u67e5\u770b\u66f4\u591a\u6d77\u5916\u670d\u52a1\u5668\u9009\u62e9\u548c\u670d\u52a1\u4fe1\u606f\uff1a<a href=\"https:\/\/server.hk\/\" target=\"_blank\" rel=\"noopener\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9762\u5bf9\u65e5\u76ca\u589e\u957f\u7684\u7528\u6237\u4e0e\u7a81\u53d1\u6d41\u91cf\uff0c\u638c\u63e1CDN\u8282\u70b9\u6269\u5bb9\u7684\u5feb\u901f\u7a33\u6269\u4e0e\u6210\u672c\u4f18\u5316\u6280\u5de7\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u7528\u5b9e\u6218\u6848\u4f8b\u548c\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u4f60\u5728\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u7b49\u591a\u5730\u57df\u7a33\u5065\u90e8\u7f72\u5e76\u63a7\u5236\u6210\u672c\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":[4194,4193,2899,2851,885,4195,171,4196,2142,165],"class_list":{"0":"post-210009","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-4928","7":"tag-cdn","10":"tag-pop","11":"tag-885","12":"tag-4195","13":"tag-171","14":"tag-4196","15":"tag-2142","16":"tag-165"},"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/210009","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=210009"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/210009\/revisions"}],"predecessor-version":[{"id":210010,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/210009\/revisions\/210010"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=210009"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=210009"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=210009"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}