{"id":209400,"date":"2025-09-30T09:17:38","date_gmt":"2025-09-30T01:17:38","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209400\/"},"modified":"2025-09-30T09:17:39","modified_gmt":"2025-09-30T01:17:39","slug":"vps-quic","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209400\/","title":{"rendered":"\u9999\u6e2fVPS\u652f\u6301QUIC\u591a\u534f\u8bae\u4f18\u5316\uff0c\u5f00\u542f\u6781\u901f\u4f4e\u5ef6\u8fdf\u8fde\u63a5"},"content":{"rendered":"<p>\u5728\u5168\u7403\u7f51\u7edc\u670d\u52a1\u7684\u9ad8\u901f\u53d1\u5c55\u4e0b\uff0c\u7f51\u7ad9\u4e0e\u5e94\u7528\u5bf9\u8fde\u63a5\u901f\u5ea6\u4e0e\u7a33\u5b9a\u6027\u7684\u8981\u6c42\u8d8a\u53d1\u82db\u523b\u3002\u4f20\u7edf\u57fa\u4e8e TCP \u7684\u4f20\u8f93\u5728\u9ad8\u4e22\u5305\u6216\u8de8\u56fd\u94fe\u8def\u4e2d\u4f1a\u53d7\u5230\u63e1\u624b\u3001\u62e5\u585e\u63a7\u5236\u4e0e\u91cd\u4f20\u673a\u5236\u7684\u5f71\u54cd\uff0c\u5bfc\u81f4\u5ef6\u8fdf\u548c\u6296\u52a8\u3002\u8fd1\u5e74\u6765\uff0cQUIC \u534f\u8bae\u548c HTTP\/3 \u7684\u666e\u53ca\uff0c\u4e3a\u4f4e\u5ef6\u8fdf\u3001\u5feb\u901f\u6062\u590d\u548c\u8fde\u63a5\u8fc1\u79fb\u5e26\u6765\u4e86\u663e\u8457\u6539\u5584\u3002\u672c\u6587\u4ece\u539f\u7406\u5230\u5b9e\u8df5\u3001\u5e94\u7528\u573a\u666f\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u8be6\u5c3d\u8bf4\u660e\u5728\u9999\u6e2f VPS \u73af\u5883\u4e2d\u5982\u4f55\u901a\u8fc7 QUIC \u7684\u591a\u534f\u8bae\u4f18\u5316\u5b9e\u73b0\u6781\u901f\u4f4e\u5ef6\u8fdf\u8fde\u63a5\uff0c\u5e2e\u52a9\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\u505a\u51fa\u66f4\u5408\u7406\u7684\u90e8\u7f72\u51b3\u7b56\u3002<\/p>\n<h2>QUIC \u534f\u8bae\u6982\u8ff0\u4e0e\u5173\u952e\u6280\u672f\u70b9<\/h2>\n<p>QUIC \u662f\u7531 Google \u53d1\u8d77\u5e76\u9010\u6b65\u6210\u4e3a IETF \u6807\u51c6\u7684\u57fa\u4e8e UDP \u7684\u4f20\u8f93\u5c42\u534f\u8bae\uff0c\u5e38\u4e0e TLS1.3 \u548c HTTP\/3 \u914d\u5408\u4f7f\u7528\u3002\u5176\u6838\u5fc3\u8bbe\u8ba1\u76ee\u6807\u662f\u51cf\u5c11\u8fde\u63a5\u5efa\u7acb\u65f6\u95f4\u3001\u63d0\u9ad8\u4e22\u5305\u73af\u5883\u4e0b\u7684\u4f20\u8f93\u6027\u80fd\u5e76\u652f\u6301\u6d41\u7ea7\u522b\u7684\u591a\u8def\u590d\u7528\u3002<\/p>\n<h3>\u4e3b\u8981\u6280\u672f\u7279\u6027<\/h3>\n<ul>\n<li><strong>0-RTT\/1-RTT \u63e1\u624b\uff1a<\/strong>\u57fa\u4e8e TLS1.3\uff0cQUIC \u53ef\u4ee5\u5728\u5df2\u77e5\u670d\u52a1\u7aef\u914d\u7f6e\u548c\u4f1a\u8bdd\u5bc6\u94a5\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0 0-RTT \u6570\u636e\u53d1\u9001\uff0c\u6781\u5927\u964d\u4f4e\u9996\u6b21\u548c\u540e\u7eed\u8fde\u63a5\u5ef6\u8fdf\u3002<\/li>\n<li><strong>\u57fa\u4e8e UDP \u7684\u5305\u5934\u4e0e\u591a\u8def\u590d\u7528\uff1a<\/strong>QUIC \u5728 UDP \u4e4b\u4e0a\u5b9e\u73b0\u5185\u7f6e\u7684\u5305\u5934\u4e0e\u6d41 ID\uff0c\u907f\u514d\u4e86 HTTP\/2 \u5728 TCP \u4e0a\u7684\u961f\u5934\u963b\u585e\u95ee\u9898\uff08Head-of-Line Blocking\uff09\u3002<\/li>\n<li><strong>\u5185\u7f6e\u62e5\u585e\u63a7\u5236\u4e0e\u4e22\u5305\u6062\u590d\uff1a<\/strong>QUIC \u652f\u6301\u591a\u79cd\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\uff08\u5982 NewReno\u3001CUBIC\u3001BBR\uff09\uff0c\u5e76\u7ed3\u5408 ACK\/ACK ECN \u673a\u5236\u5b9e\u73b0\u66f4\u7075\u6d3b\u7684\u4e22\u5305\u6062\u590d\u3002<\/li>\n<li><strong>\u8fde\u63a5\u8fc1\u79fb\uff1a<\/strong>\u901a\u8fc7\u8fde\u63a5 ID\uff0cQUIC \u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u66f4\u6362 IP\uff08\u4f8b\u5982\u4ece\u79fb\u52a8\u7f51\u7edc\u5207\u6362\u5230 Wi-Fi \u6216 NAT \u53d8\u66f4\uff09\u65f6\u65e0\u7f1d\u8fc1\u79fb\uff0c\u4ece\u800c\u907f\u514d\u91cd\u65b0\u5efa\u7acb\u8fde\u63a5\u3002<\/li>\n<li><strong>\u52a0\u5bc6\u4e0e\u9690\u79c1\uff1a<\/strong>QUIC \u628a\u4f20\u8f93\u5c42\u5934\u90e8\u4e5f\u7eb3\u5165\u52a0\u5bc6\u8303\u56f4\uff0c\u51cf\u5c11\u4e2d\u95f4\u4eba\u88ab\u52a8\u63a2\u6d4b\u7684\u53ef\u80fd\u6027\uff0c\u63d0\u5347\u9690\u79c1\u4e0e\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<h2>\u5728\u9999\u6e2f VPS \u4e0a\u5b9e\u73b0 QUIC \u591a\u534f\u8bae\u4f18\u5316\u7684\u539f\u7406<\/h2>\n<p>\u5c06 QUIC \u90e8\u7f72\u5728\u9999\u6e2f VPS\uff08Virtual Private Server\uff09\u4e0a\uff0c\u65e2\u80fd\u5229\u7528\u9999\u6e2f\u4f18\u8d8a\u7684\u56fd\u9645\u51fa\u53e3\u94fe\u8def\uff0c\u53c8\u53ef\u4ee5\u901a\u8fc7\u672c\u5730\u8282\u70b9\u7684\u4f4e\u7269\u7406\u5ef6\u8fdf\u4e3a\u533a\u57df\u7528\u6237\u63d0\u4f9b\u6781\u901f\u4f53\u9a8c\u3002\u5b9e\u73b0 QUIC \u591a\u534f\u8bae\u4f18\u5316\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u5c42\u9762\u7684\u5de5\u4f5c\uff1a<\/p>\n<h3>1. VPS \u7f51\u7edc\u6808\u4e0e\u5185\u6838\u652f\u6301<\/h3>\n<ul>\n<li>\u786e\u4fdd VPS \u6240\u8fd0\u884c\u7684\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff08Linux\uff09\u548c\u7528\u6237\u6001\u7f51\u7edc\u5e93\u652f\u6301 UDP \u9ad8\u5e76\u53d1\u5904\u7406\u4e0e GRO\/GSRO \u7b49\u7279\u6027\uff0c\u964d\u4f4e CPU \u4e0a\u4e0b\u6587\u5207\u6362\u6210\u672c\u3002<\/li>\n<li>\u90e8\u7f72\u652f\u6301 QUIC \u7684\u670d\u52a1\u5668\u5b9e\u73b0\uff08\u5982 NGINX+Quiche\u3001Caddy\u3001Envoy \u6216\u81ea\u7814 QUIC \u4ee3\u7406\uff09\uff0c\u5e76\u542f\u7528 TLS1.3\u3002<\/li>\n<li>\u5bf9\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u8fdb\u884c\u8c03\u4f18\uff0c\u751f\u4ea7\u73af\u5883\u4e2d\u5e38\u7528 BBRv2 \u6216\u7ecf\u8fc7\u9a8c\u8bc1\u7684 Cubic\/NewReno \u6df7\u5408\u7b56\u7565\uff0c\u4ee5\u9002\u914d\u4e0d\u540c\u7684\u94fe\u8def\u7279\u6027\u3002<\/li>\n<\/ul>\n<h3>2. \u591a\u534f\u8bae\u534f\u4f5c\uff08UDP\u3001TCP\u3001TLS\uff09\u4e0e\u56de\u9000\u673a\u5236<\/h3>\n<p>\u8003\u8651\u5230\u90e8\u5206\u7f51\u7edc\uff08\u5c24\u5176\u662f\u90e8\u5206\u8fd0\u8425\u5546\u6216\u4f01\u4e1a\u9632\u706b\u5899\uff09\u53ef\u80fd\u5c4f\u853d\u6216\u9650\u5236 UDP \u6d41\u91cf\uff0c\u5408\u7406\u7684\u591a\u534f\u8bae\u4f18\u5316\u5e94\u5305\u542b\uff1a<\/p>\n<ul>\n<li>\u4f18\u5148\u5c1d\u8bd5 QUIC\/HTTP3\uff08UDP\uff09\uff0c\u82e5\u68c0\u6d4b\u5230\u4e0d\u53ef\u7528\u5219\u65e0\u7f1d\u56de\u9000\u5230 HTTPS over TCP\uff08HTTP\/2 \u6216 HTTP\/1.1\uff09\u3002<\/li>\n<li>\u5728\u5e94\u7528\u5c42\u8fdb\u884c\u8fde\u63a5\u63a2\u6d4b\u4e0e\u81ea\u52a8\u5207\u6362\u903b\u8f91\uff0c\u4fdd\u6301\u4f1a\u8bdd\u8fde\u7eed\u6027\u5e76\u907f\u514d\u7528\u6237\u611f\u77e5\u7684\u4e2d\u65ad\u3002<\/li>\n<li>\u5bf9\u4e8e\u9700\u8981\u4e25\u683c\u7a7f\u900f NAT \u6216\u7a7f\u5899\u7684\u573a\u666f\uff0c\u7ed3\u5408 QUIC \u4e0e\u57fa\u4e8e TCP \u7684\u957f\u8fde\u63a5\u96a7\u9053\u6280\u672f\uff0c\u4ee5\u63d0\u9ad8\u517c\u5bb9\u6027\u3002<\/li>\n<\/ul>\n<h3>3. \u8fb9\u7f18\u4e0e\u8def\u7531\u4f18\u5316<\/h3>\n<ul>\n<li>\u5728\u9999\u6e2f VPS \u73af\u5883\u4e2d\u53ef\u4ee5\u5229\u7528\u672c\u5730 IX\uff08Internet Exchange\uff09\u4e0e\u4e3b\u8981\u8fd0\u8425\u5546\u76f4\u8fde\uff0c\u5b9e\u73b0\u66f4\u77ed\u7684 AS \u8def\u5f84\u4e0e\u66f4\u4f18\u7684 BGP \u8def\u7531\u3002<\/li>\n<li>\u5bf9\u4e8e\u8de8\u5883\u8bbf\u95ee\uff08\u5982\u5927\u9646\u5230\u9999\u6e2f\u3001\u9999\u6e2f\u5230\u7f8e\u56fd\uff09\uff0c\u53ef\u90e8\u7f72\u591a\u5730\u8282\u70b9\uff0c\u5305\u62ec\u9999\u6e2f\u670d\u52a1\u5668\u4e0e\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u7f8e\u56fd VPS \u505a\u5f02\u5730\u5197\u4f59\u4e0e\u6d41\u91cf\u8f6c\u53d1\uff0c\u4ee5\u5b9e\u73b0\u5168\u7403\u8303\u56f4\u5185\u7684\u4f4e\u5ef6\u8fdf\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<h2>\u5178\u578b\u5e94\u7528\u573a\u666f<\/h2>\n<p>QUIC 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\u4e0e\u79fb\u52a8\u7f51\u7edc\u4e4b\u95f4\u5207\u6362\uff09\u65f6\u65e0\u9700\u91cd\u65b0\u63e1\u624b\u3002<\/li>\n<\/ul>\n<h2>\u5728\u9999\u6e2f VPS \u4e0a\u90e8\u7f72\u4e0e\u8fd0\u7ef4\u7684\u5b9e\u8df5\u5efa\u8bae<\/h2>\n<p>\u4e3a\u4e86\u5728\u9999\u6e2f VPS \u4e0a\u7a33\u5b9a\u8fd0\u884c QUIC \u670d\u52a1\uff0c\u5e76\u7ed3\u5408\u7f8e\u56fd VPS \u6216\u7f8e\u56fd\u670d\u52a1\u5668 \u505a\u5206\u5e03\u5f0f\u652f\u6301\uff0c\u53ef\u4ee5\u53c2\u7167\u4ee5\u4e0b\u5efa\u8bae\uff1a<\/p>\n<h3>\u786c\u4ef6\u4e0e\u7f51\u7edc<\/h3>\n<ul>\n<li>\u9009\u62e9\u5177\u5907\u9ad8\u6027\u80fd\u7f51\u7edc\u63a5\u53e3\u7684 VPS\uff08\u9ad8\u5e26\u5bbd\u7aef\u53e3\u4e0e\u4f4e\u6296\u52a8\u94fe\u8def\uff09\uff0c\u786e\u4fdd VPS \u63d0\u4f9b\u5546\u5728\u9999\u6e2f\u62e5\u6709\u4f18\u826f\u7684\u4e0a\u6e38 ISPs \u4e0e IX 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\u653e\u5927\u653b\u51fb\u8fdb\u884c\u6d41\u91cf\u6e05\u6d17\u6216\u4f7f\u7528\u4e0a\u6e38\u6e05\u6d17\u670d\u52a1\u3002<\/li>\n<\/ul>\n<h3>\u76d1\u63a7\u4e0e\u8c03\u4f18<\/h3>\n<ul>\n<li>\u90e8\u7f72\u7ec6\u7c92\u5ea6\u7684\u7f51\u7edc\u76d1\u63a7\uff08RTT\u3001\u4e22\u5305\u7387\u3001\u5e26\u5bbd\u5229\u7528\u7387\u3001\u62e5\u585e\u7a97\u53e3\u5927\u5c0f\uff09\uff0c\u7ed3\u5408\u5e94\u7528\u5c42\u6307\u6807\uff08\u54cd\u5e94\u65f6\u95f4\u3001\u9519\u8bef\u7387\uff09\u505a\u95ed\u73af\u3002<\/li>\n<li>\u6839\u636e\u76d1\u63a7\u7ed3\u679c\u8c03\u6574\u62e5\u585e\u63a7\u5236\u7b56\u7565\uff08\u5982\u5728\u957f\u8ddd\u79bb\u94fe\u8def\u542f\u7528 BBR\uff09\uff0c\u5e76\u5b9a\u671f\u56de\u6d4b\u5728\u4e0d\u540c\u6d41\u91cf\u8d1f\u8f7d\u4e0b\u7684\u8868\u73b0\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u9999\u6e2f VPS \u7684\u6280\u672f\u8981\u70b9\uff08\u7ed9\u7ad9\u957f\u4e0e\u4f01\u4e1a\u7684\u5efa\u8bae\uff09<\/h2>\n<p>\u5728\u9009\u62e9\u9999\u6e2f VPS 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