{"id":210165,"date":"2025-10-24T07:05:16","date_gmt":"2025-10-23T23:05:16","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210165\/"},"modified":"2025-10-24T07:05:17","modified_gmt":"2025-10-23T23:05:17","slug":"cdn-303","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210165\/","title":{"rendered":"CDN\u91cd\u5851\u6559\u80b2\u76f4\u64ad\uff1a\u4ece\u4f4e\u5ef6\u8fdf\u5230\u8fb9\u7f18\u667a\u80fd\u7684\u4e0b\u4e00\u6ce2\u8d8b\u52bf"},"content":{"rendered":"<p>\u5728\u6559\u80b2\u76f4\u64ad\u4ece\u70b9\u5bf9\u70b9\u8d70\u5411\u5927\u89c4\u6a21\u5e76\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff08CDN\uff09\u5df2\u7ecf\u4e0d\u518d\u662f\u5355\u7eaf\u7684\u201c\u955c\u50cf+\u7f13\u5b58\u201d\u5de5\u5177\uff0c\u800c\u662f\u63a8\u8fdb\u4f4e\u5ef6\u8fdf\u3001\u63d0\u9ad8\u4e92\u52a8\u6027\u5e76\u627f\u8f7d\u667a\u80fd\u8fb9\u7f18\u80fd\u529b\u7684\u6838\u5fc3\u57fa\u7840\u8bbe\u65bd\u3002\u5bf9\u7ad9\u957f\u3001\u4f01\u4e1a\u548c\u5f00\u53d1\u8005\u800c\u8a00\uff0c\u7406\u89e3CDN\u5728\u6559\u80b2\u76f4\u64ad\u4e2d\u7684\u6280\u672f\u8def\u5f84\u3001\u90e8\u7f72\u8981\u70b9\u4e0e\u9009\u578b\u5efa\u8bae\uff0c\u662f\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u548c\u964d\u4f4e\u8fd0\u7ef4\u6210\u672c\u7684\u5173\u952e\u3002<\/p>\n<h2>CDN\u5728\u6559\u80b2\u76f4\u64ad\u4e2d\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u6559\u80b2\u76f4\u64ad\u901a\u5e38\u5305\u542b\u4e24\u7c7b\u6d41\u91cf\uff1a\u5b9e\u65f6\u4e92\u52a8\uff08\u8bb2\u5e08\u4e0e\u5b66\u751f\u7684\u53cc\u5411\u97f3\u89c6\u9891\u3001\u767d\u677f\u540c\u6b65\uff09\u548c\u5927\u89c4\u6a21\u5206\u53d1\uff08\u8bfe\u5802\u56de\u653e\u3001\u76f4\u64ad\u89c2\u4f17\uff09\u3002CDN\u7684\u4f5c\u7528\u662f\u5c06\u670d\u52a1\u5668\u8d44\u6e90\u548c\u7f13\u5b58\u8282\u70b9\uff08PoP\uff09\u5206\u5e03\u5728\u9760\u8fd1\u7528\u6237\u7684\u8fb9\u7f18\uff0c\u4ece\u800c\u51cf\u5c11\u7f51\u7edc\u8df3\u6570\u3001\u964d\u4f4eRTT\u4e0e\u7f13\u51b2\u65f6\u95f4\u3002<\/p>\n<p>\u6838\u5fc3\u6280\u672f\u73af\u8282\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u4f20\u8f93\u534f\u8bae\uff1a\u4ece\u4f20\u7edf\u7684HTTP\/HLS\u5411\u4f4e\u5ef6\u8fdf\u7684WebRTC\u3001SRT\/RIST\u3001QUIC\/HTTP\/3\u4e0eWebTransport\u6f14\u8fdb\u3002WebRTC\u9002\u5408\u8d85\u4f4e\u5ef6\u8fdf\u4e92\u52a8\u573a\u666f\uff1bSRT\/RIST\u5728\u4e0d\u53ef\u9760\u7f51\u7edc\u4e2d\u63d0\u4f9b\u66f4\u5f3a\u7684\u4e22\u5305\u6062\u590d\u4e0e\u62e5\u585e\u63a7\u5236\uff1bQUIC\/HTTP\/3\u5728\u51cf\u5c11\u8fde\u63a5\u5efa\u7acb\u5ef6\u8fdf\u4e0e\u62e5\u585e\u63a7\u5236\u65b9\u9762\u6709\u4f18\u52bf\u3002<\/li>\n<li>\u81ea\u9002\u5e94\u7801\u7387\uff08ABR\uff09\uff1a\u57fa\u4e8e\u5b9e\u65f6\u7684\u5e26\u5bbd\u4f30\u8ba1\u4e0e\u7aef\u4fa7\u7f51\u7edc\u72b6\u51b5\u5207\u6362\u7f16\u7801\u7801\u7387\uff0c\u51cf\u5c11\u5361\u987f\u4e0e\u56de\u9000\u3002<\/li>\n<li>\u8fb9\u7f18\u8f6c\u7801\u4e0e\u5206\u53d1\uff1a\u5728\u8fb9\u7f18\u8282\u70b9\u505a\u4f4e\u5ef6\u8fdf\u8f6c\u7801\u3001\u5206\u5c42\u7f16\u7801\u548c\u7f13\u5b58\uff0c\u53ef\u4ee5\u5c06\u89c6\u9891\u5207\u7247\u5ef6\u8fdf\u964d\u5230\u6700\u5c0f\uff0c\u540c\u65f6\u51cf\u5c11\u56de\u6e90\u538b\u529b\u3002<\/li>\n<li>\u5dee\u5f02\u5316\u7f13\u5b58\u7b56\u7565\uff1a\u5bf9\u76f4\u64ad\u9996\u5c4f\u3001\u4e92\u52a8\u6d41\u3001\u56de\u653e\u5207\u7247\u5206\u522b\u91c7\u7528\u4e0d\u540c\u7684TTL\u3001\u9884\u70ed\u548c\u56de\u6e90\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h3>\u8fb9\u7f18\u667a\u80fd\u7684\u6784\u6210<\/h3>\n<p><strong>\u8fb9\u7f18\u667a\u80fd\uff08Edge 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