{"id":209160,"date":"2025-09-30T05:50:53","date_gmt":"2025-09-29T21:50:53","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209160\/"},"modified":"2025-09-30T05:50:55","modified_gmt":"2025-09-29T21:50:55","slug":"vps-211","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209160\/","title":{"rendered":"\u9999\u6e2fVPS+OBS\uff1a\u4f4e\u5ef6\u8fdf\u3001\u9ad8\u7a33\u5b9a\u6027\u7684\u5b9e\u65f6\u76f4\u64ad\u90e8\u7f72\u5b9e\u6218"},"content":{"rendered":"<p>\u5728\u5b9e\u65f6\u89c6\u9891\u76f4\u64ad\u573a\u666f\u4e2d\uff0c\u5ef6\u8fdf\u548c\u7a33\u5b9a\u6027\u5f80\u5f80\u51b3\u5b9a\u7528\u6237\u4f53\u9a8c\u4e0e\u4e1a\u52a1\u6210\u8d25\u3002\u5bf9\u4e8e\u9762\u5411\u4e2d\u56fd\u5185\u5730\u53ca\u4e9a\u592a\u7528\u6237\u7684\u76f4\u64ad\u670d\u52a1\u800c\u8a00\uff0c<strong>\u90e8\u7f72\u5728\u9999\u6e2f\u7684VPS\u7ed3\u5408OBS\uff08Open Broadcaster 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kbps\uff1b1080p@30fps\uff1a3000\u20136000 kbps\u3002<\/li>\n<li>\u5173\u952e\u5e27\u95f4\u9694\uff08GOP\uff09\uff1a\u5c06Keyframe\u8bbe\u7f6e\u4e3a2\u79d2\u6216\u66f4\u77ed\uff0c\u4ee5\u914d\u5408\u64ad\u653e\u5668\u548c\u5207\u7247\u7b56\u7565\uff0c\u964d\u4f4e\u9996\u5e27\u6062\u590d\u65f6\u95f4\u3002<\/li>\n<li>RTMP\u4e0eSRT\/WebRTC\uff1aOBS\u9ed8\u8ba4\u652f\u6301RTMP\u63a8\u6d41\uff0c\u9002\u5408\u4e0enginx-rtmp\u6216\u6d41\u5a92\u4f53\u5e73\u53f0\u5bf9\u63a5\uff1b\u82e5\u9700\u66f4\u4f4e\u5ef6\u8fdf\u6216\u7a7f\u900f\u7f51\u7edc\u6296\u52a8\uff0c\u5efa\u8bae\u4f7f\u7528\u652f\u6301\u7684SRT\u6216\u901a\u8fc7WebRTC\u63a8\u6d41\u63d2\u4ef6\uff08\u66f4\u590d\u6742\uff09\u3002<\/li>\n<\/ul>\n<h3>\u4f20\u8f93\u4e0e\u5206\u53d1\u534f\u8bae<\/h3>\n<p>\u5e38\u89c1\u63a8\u6d41\u534f\u8bae\u4e3aRTMP\uff08\u63a8\u6d41\uff09 + HLS\/DASH\uff08\u5206\u53d1\uff09\uff0cRTMP\u9002\u5408\u4e3b\u64ad\u5230\u670d\u52a1\u5668\u7684\u7a33\u5b9a\u63a8\u6d41\uff0cHLS\u517c\u5bb9\u6027\u9ad8\u4f46\u5ef6\u8fdf\u901a\u5e38\u8f83\u5927\uff08\u9ed8\u8ba46\u201330s\uff09\u3002\u8981\u5b9e\u73b0\u4f4e\u5ef6\u8fdf\uff0c\u53ef\u4ee5\u91c7\u53d6\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528RTMP\u76f4\u8fde\u7ed3\u5408RTMP-&gt;RTMP\u5206\u53d1\uff08\u9002\u7528\u4e8e\u5185\u90e8\u8f6c\u53d1\u4e0e\u5c40\u57df\u7f51\u89c2\u4f17\uff09\u3002<\/li>\n<li>\u91c7\u7528\u4f4e\u5ef6\u8fdfHLS\uff08LL-HLS\uff09\u6216CMAF + chunked transfer\u6765\u5c06\u5ef6\u8fdf\u964d\u4f4e\u52301\u20133\u79d2\u3002<\/li>\n<li>\u6216\u4f7f\u7528WebRTC\/RTSP\/SRT\u7b49\u5b9e\u65f6\u534f\u8bae\u914d\u5408SFU\/MCU\uff08\u5982mediasoup\u3001Janus\uff09\u5b9e\u73b0<em>sub-second<\/em>\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<h2>\u4e3a\u4ec0\u4e48\u9009\u62e9\u9999\u6e2fVPS\u4f5c\u4e3a\u76f4\u64ad\u4e2d\u8f6c\/\u8f6c\u7801\u8282\u70b9<\/h2>\n<p>\u9999\u6e2fVPS\u5728\u5730\u7406\u4f4d\u7f6e\u3001\u56fd\u9645\u94fe\u8def\u548c\u5230\u4e2d\u56fd\u5185\u5730\u7684\u7f51\u7edc\u8d28\u91cf\u4e0a\u5177\u5907\u660e\u663e\u4f18\u52bf\uff0c\u5c24\u5176\u9002\u5408\u4e9a\u592a\u65b9\u5411\u7684\u5b9e\u65f6\u5206\u53d1\uff1a<\/p>\n<ul>\n<li><strong>\u4f4e\u7f51\u7edc\u5ef6\u8fdf\uff1a<\/strong>\u4ece\u4e2d\u56fd\u5185\u5730\u4e3b\u8981\u57ce\u5e02\u5230\u9999\u6e2f\u901a\u5e38 RTT \u5c0f\u4e8e 50ms\uff0c\u4f18\u4e8e\u7ecf\u6b27\u7f8e\u8282\u70b9\u7684\u56de\u7a0b\u3002<\/li>\n<li><strong>\u7a33\u5b9a\u7684\u56fd\u9645\u51fa\u53e3\uff1a<\/strong>\u9999\u6e2f\u7684\u56fd\u9645\u5e26\u5bbd\u4e0e\u591a\u516c\u91cc\u7ea7\u9aa8\u5e72\u4e92\u8fde\u8f83\u4e3a\u5145\u8db3\uff0c\u4e22\u5305\u7387\u4f4e\uff0c\u9002\u5408\u5b9e\u65f6\u89c6\u9891\u4f20\u8f93\u3002<\/li>\n<li><strong>\u5408\u89c4\u4e0e\u8bbf\u95ee\uff1a<\/strong>\u5bf9\u5916\u4e1a\u52a1\u53ca\u6d77\u5916\u7528\u6237\u8986\u76d6\u66f4\u65b9\u4fbf\uff0c\u540c\u65f6\u5bf9\u5185\u5730\u89c2\u4f17\u6709\u66f4\u597d\u8bbf\u95ee\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n<h3>\u4e0e\u7f8e\u56fdVPS\uff0f\u7f8e\u56fd\u670d\u52a1\u5668\u7684\u5bf9\u6bd4<\/h3>\n<p>\u7f8e\u56fdVPS\uff08\u6216\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u9002\u5408\u9762\u5411\u6b27\u7f8e\u89c2\u4f17\u7684\u76f4\u64ad\u4e0e\u5206\u53d1\uff0c\u4f46\u76f8\u5bf9\u4e8e\u9999\u6e2f\u670d\u52a1\u5668\u7528\u4e8e\u4e9a\u592a\u3001\u5185\u5730\u7528\u6237\u65f6\u5b58\u5728\u660e\u663e\u52a3\u52bf\uff1a<\/p>\n<ul>\n<li>\u5730\u7406\u4e0e\u8def\u7531\u5ef6\u8fdf\u66f4\u9ad8\uff1a\u5f80\u8fd4\u4e2d\u56fd\u5185\u5730\u7684 RTT \u901a\u5e38\u5728 150ms \u4ee5\u4e0a\uff0c\u5f71\u54cd\u5b9e\u65f6\u4e92\u52a8\u4f53\u9a8c\u3002<\/li>\n<li>\u4e22\u5305\u4e0e\u6296\u52a8\u53ef\u80fd\u66f4\u5927\uff0c\u5c24\u5176\u5728\u8de8\u592a\u5e73\u6d0b\u94fe\u8def\u4e0a\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u82e5\u4e1a\u52a1\u91cd\u5fc3\u5728\u4e9a\u6d32\u5c24\u5176\u662f\u5185\u5730\u7528\u6237\uff0c\u4f18\u5148\u8003\u8651\u9999\u6e2f\u670d\u52a1\u5668\u6216\u9999\u6e2fVPS\uff1b\u82e5\u9762\u5411\u5168\u7403\u6216\u7f8e\u6d32\u7528\u6237\uff0c\u5219\u53ef\u5728\u591a\u70b9\u90e8\u7f72\uff0c\u7ed3\u5408\u7f8e\u56fd\u670d\u52a1\u5668\u4e0e\u9999\u6e2fVPS\u505a\u533a\u57df\u5c31\u8fd1\u5206\u53d1\u3002<\/p>\n<h2>\u5728\u9999\u6e2fVPS\u4e0a\u67b6\u6784\u5b9e\u65f6\u76f4\u64ad\uff1a\u5b9e\u6218\u6280\u672f\u7ec6\u8282<\/h2>\n<p>\u4e0b\u9762\u4ee5\u5e38\u89c1\u7684\u201c\u4e3b\u64ad\uff08OBS\uff09\u2192\u9999\u6e2fVPS\uff08nginx-rtmp\/ffmpeg\u8f6c\u7801\/\u5206\u53d1\uff09\u2192\u89c2\u4f17\uff08HLS\/LL-HLS\/WebRTC\uff09\u201d\u4e3a\u4f8b\uff0c\u5217\u51fa\u5177\u4f53\u53ef\u6267\u884c\u7684\u914d\u7f6e\u5efa\u8bae\u3002<\/p>\n<h3>\u670d\u52a1\u5668\u9009\u578b\u4e0e\u8d44\u6e90\u5efa\u8bae<\/h3>\n<ul>\n<li>CPU\uff1a\u8f6c\u7801\u65f6\u5efa\u8bae\u81f3\u5c11 4 vCPU \u8d77\u6b65\uff0c\u8f6f\u8f6c\u7801\uff08x264\uff09\u65f6\u6838\u5fc3\u6570\u4e0e\u9891\u7387\u975e\u5e38\u5173\u952e\uff1b\u4f7f\u7528\u786c\u4ef6\u8f6c\u7801\uff08GPU\/NVENC\uff09\u9700\u9009\u652f\u6301GPU\u7684\u5b9e\u4f8b\u6216\u88f8\u91d1\u5c5e\u3002<\/li>\n<li>\u5185\u5b58\uff1a\u57fa\u672c 4\u20138GB \u8d77\u6b65\uff0c\u8f6c\u7801\u4e0e\u5e76\u53d1\u7f13\u51b2\u9700\u66f4\u591a\u5185\u5b58\u3002<\/li>\n<li>\u78c1\u76d8\uff1a\u7cfb\u7edf\u76d8\u4f7f\u7528 SSD\uff0c\u8bfb\u5199\u5ef6\u8fdf\u4f4e\uff1b\u5f55\u50cf\u6216\u7f13\u5b58\u91c7\u7528\u72ec\u7acb\u9ad8\u901f\u76d8\u3002<\/li>\n<li>\u5e26\u5bbd\u4e0e\u8ba1\u8d39\uff1a\u56fa\u5b9a\u5e26\u5bbd &gt; 100 Mbps \u63a8\u8350\u7528\u4e8e\u4e2d\u5c0f\u89c4\u6a21\u76f4\u64ad\uff0c\u6d41\u91cf\u8ba1\u8d39\u9700\u4f30\u7b97\u5cf0\u503c\u5e76\u53d1\u4e0e\u7801\u7387\uff0c\u907f\u514d\u7a81\u53d1\u4e22\u5305\u3002<\/li>\n<\/ul>\n<h3>\u7f51\u7edc\u4e0e\u7cfb\u7edf\u4f18\u5316<\/h3>\n<ul>\n<li>TCP\u8c03\u6574\uff1a\u542f\u7528 TCP BBR\uff08Linux 4.9+\uff09\uff0c\u547d\u4ee4\u793a\u4f8b\uff1asysctl -w net.ipv4.tcp_congestion_control=bbr\u3002<\/li>\n<li>\u5185\u6838\u53c2\u6570\uff1a\u8c03\u6574 net.core.somaxconn\u3001net.ipv4.tcp_tw_reuse\u3001net.ipv4.tcp_fin_timeout \u7b49\u4ee5\u9002\u5e94\u9ad8\u5e76\u53d1\u8fde\u63a5\u3002<\/li>\n<li>MTU \u4e0e\u8def\u5f84\u4f18\u5316\uff1a\u68c0\u67e5\u94fe\u8def MTU\uff0c\u907f\u514d\u5206\u7247\u5bfc\u81f4\u5ef6\u8fdf\u548c\u4e22\u5305\uff1b\u5728\u9999\u6e2fVPS\u4e0a\u5173\u6ce8\u4e0eCDN\u6216\u4e0b\u6e38\u8282\u70b9\u7684\u8def\u7531\u8d28\u91cf\u3002<\/li>\n<li>\u9632\u706b\u5899\u4e0e\u7aef\u53e3\uff1a\u5f00\u653e RTMP\uff081935\uff09\u3001HTTP\uff0880\/443\uff09\u3001SRT\/WebRTC \u76f8\u5173\u7aef\u53e3\uff0c\u786e\u4fddUDP\u7b56\u7565\u4e0eNAT\u7a7f\u900f\u3002<\/li>\n<\/ul>\n<h3>\u5e38\u89c1\u670d\u52a1\u90e8\u7f72\u793a\u4f8b\uff08\u6838\u5fc3\u601d\u8def\uff09<\/h3>\n<p>1\uff09\u90e8\u7f72 nginx + nginx-rtmp-module\uff1a\u7528\u4e8e\u63a5\u53d7 RTMP 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