{"id":210297,"date":"2025-10-24T10:54:50","date_gmt":"2025-10-24T02:54:50","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210297\/"},"modified":"2025-10-24T10:54:51","modified_gmt":"2025-10-24T02:54:51","slug":"cdn-352","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210297\/","title":{"rendered":"\u76f4\u64ad\u5e73\u53f0\u6027\u80fd\u65b0\u98ce\u5411\uff1aCDN\u5982\u4f55\u91cd\u5851\u4f4e\u5ef6\u8fdf\u4e0e\u9ad8\u5e76\u53d1\u4f53\u9a8c"},"content":{"rendered":"<p>\u968f\u7740\u76f4\u64ad\u884c\u4e1a\u7684\u7206\u53d1\u5f0f\u589e\u957f\uff0c\u5982\u4f55\u5728\u5927\u5e76\u53d1\u573a\u666f\u4e2d\u4fdd\u8bc1\u4f4e\u5ef6\u8fdf\u3001\u7a33\u5b9a\u8fde\u901a\u6027\u548c\u4f18\u8d28\u753b\u8d28\uff0c\u6210\u4e3a\u7ad9\u957f\u3001\u4f01\u4e1a\u548c\u5f00\u53d1\u8005\u5fc5\u987b\u9762\u5bf9\u7684\u6838\u5fc3\u95ee\u9898\u3002\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff08CDN\uff09\u4ece\u5355\u7eaf\u7684\u9759\u6001\u52a0\u901f\u6f14\u8fdb\u4e3a\u652f\u6301\u5b9e\u65f6\u6d41\u5a92\u4f53\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\u3002\u672c\u6587\u5c06\u4ece\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u3001\u4f18\u52bf\u5bf9\u6bd4\u5230\u9009\u8d2d\u5efa\u8bae\uff0c\u6df1\u5165\u63a2\u8ba8CDN\u5982\u4f55\u5728\u6280\u672f\u5c42\u9762\u91cd\u5851\u76f4\u64ad\u4f53\u9a8c\uff0c\u5e76\u7ed3\u5408\u533a\u57df\u5316\u90e8\u7f72\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u65e5\u672c\u670d\u52a1\u5668\u7b49\uff09\u7ed9\u51fa\u5b9e\u64cd\u5efa\u8bae\u3002<\/p>\n<h2>\u5f15\u8a00\uff1a\u4e3a\u4ec0\u4e48\u4f20\u7edfCDN\u9762\u4e34\u76f4\u64ad\u6311\u6218<\/h2>\n<p>\u4f20\u7edfCDN\u64c5\u957f\u7f13\u5b58\u9759\u6001\u8d44\u6e90\uff0c\u901a\u8fc7\u8fb9\u7f18\u8282\u70b9\u7f13\u5b58\u3001\u5c31\u8fd1\u5206\u53d1\u964d\u4f4e\u52a0\u8f7d\u65f6\u95f4\u3002\u4f46\u76f4\u64ad\u573a\u666f\u6709\u51e0\u4e2a\u72ec\u7279\u6311\u6218\uff1a\u4e00\u662f<strong>\u5bf9\u5ef6\u8fdf\u7684\u6781\u81f4\u654f\u611f<\/strong>\uff08\u5c24\u5176\u4e92\u52a8\u7c7b\u76f4\u64ad\u8981\u6c42\u6beb\u79d2\u7ea7\u54cd\u5e94\uff09\uff1b\u4e8c\u662f<strong>\u5e76\u53d1\u7a81\u53d1\u6027\u5f3a<\/strong>\uff08\u70ed\u95e8\u76f4\u64ad\u5728\u77ed\u65f6\u95f4\u5185\u6d8c\u5165\u767e\u4e07\u7ea7\u89c2\u4f17\uff09\uff1b\u4e09\u662f\u5a92\u4f53\u6570\u636e\u9700\u8981\u5b9e\u65f6\u8f6c\u7801\u4e0e\u591a\u7801\u7387\u9002\u914d\u3002\u5355\u9760\u4f20\u7edf\u7f13\u5b58\u7b56\u7565\u65e0\u6cd5\u6ee1\u8db3\u8fd9\u4e9b\u9700\u6c42\uff0c\u56e0\u6b64\u51fa\u73b0\u4e86\u9488\u5bf9\u76f4\u64ad\u4f18\u5316\u7684CDN\u80fd\u529b\u96c6\u6210\uff0c\u5982\u5b9e\u65f6\u8f6c\u53d1\u3001\u8fb9\u7f18\u8ba1\u7b97\u3001\u534f\u8bae\u4f18\u5316\u3001\u6d41\u63a7\u4e0e\u64ad\u53d1\u7b56\u7565\u7b49\u3002<\/p>\n<h2>CDN\u652f\u6301\u4f4e\u5ef6\u8fdf\u4e0e\u9ad8\u5e76\u53d1\u7684\u6838\u5fc3\u539f\u7406<\/h2>\n<h3>1. 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Transport\uff09\uff1a\u5728\u4e0d\u7a33\u5b9a\u7f51\u7edc\u60c5\u51b5\u4e0b\u63d0\u9ad8\u4f20\u8f93\u53ef\u9760\u6027\u5e76\u964d\u4f4e\u5ef6\u8fdf\uff0c\u5e38\u7528\u4e8e\u91c7\u96c6\u7aef\u5230\u8fb9\u7f18\u6216\u8fb9\u7f18\u5230CDN\u9aa8\u5e72\u3002<\/li>\n<li>QUIC\/HTTP\/3\uff1a\u57fa\u4e8eUDP\uff0c\u51cf\u5c11\u5efa\u94fe\u63e1\u624b\u5ef6\u65f6\uff0c\u6539\u8fdb\u4e86\u4e22\u5305\u6062\u590d\u4e0e\u591a\u8def\u590d\u7528\uff0c\u63d0\u5347\u603b\u4f53\u65f6\u5ef6\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n<p>\u5408\u7406\u9009\u62e9\u534f\u8bae\u5e76\u5728\u8fb9\u7f18\u8fdb\u884c\u534f\u8bae\u8f6c\u6362\uff08\u5982\u91c7\u96c6\u4f7f\u7528SRT\uff0c\u8fb9\u7f18\u8f6c\u53d1\u7ed9\u89c2\u4f17\u4f7f\u7528WebRTC\u6216\u4f4e\u5ef6\u8fdfHLS\uff09\u662f\u5173\u952e\u3002<\/p>\n<h3>3. 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Shield\uff08\u8d77\u6e90\u4fdd\u62a4\uff09\u7528\u4e8e\u5728\u9aa8\u5e72\u5c42\u505a\u4e8c\u7ea7\u7f13\u5b58\u4e0e\u8bf7\u6c42\u5408\u5e76\uff0c\u7f13\u89e3\u5e76\u53d1\u56de\u6e90\u98ce\u66b4\u3002<\/p>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u5b9e\u8df5\u6848\u4f8b<\/h2>\n<h3>1. \u4e92\u52a8\u76f4\u64ad\uff08\u7535\u5546\u3001\u5728\u7ebf\u6559\u80b2\uff09<\/h3>\n<p>\u4e92\u52a8\u76f4\u64ad\u5bf9\u5ef6\u8fdf\u8981\u6c42\u6700\u4f4e\uff0c\u901a\u5e38\u91c7\u7528WebRTC\u6216LL-HLS\u914d\u5408\u8fb9\u7f18\u8ba1\u7b97\u5b9e\u73b0\u3002\u914d\u7f6e\u5efa\u8bae\u5305\u62ec\uff1a\u591a\u533a\u57dfPoP\u3001\u8fb9\u7f18\u8f6c\u7801\u3001\u4fe1\u4ee4\u5206\u79bb\u3001\u4f7f\u7528STUN\/TURN\u670d\u52a1\u5668\u548cQoS\u76d1\u63a7\u3002\u5bf9\u4e9a\u592a\u7528\u6237\uff0c\u53ef\u4f18\u5148\u90e8\u7f72\u9999\u6e2fVPS\u6216\u65e5\u672c\u670d\u52a1\u5668\u8282\u70b9\u4ee5\u964d\u4f4e\u8de8\u56fd\u5ef6\u8fdf\u3002<\/p>\n<h3>2. 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