{"id":108556,"date":"2026-09-22T04:56:36","date_gmt":"2026-09-21T20:56:36","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/108556.html"},"modified":"2026-09-22T04:56:36","modified_gmt":"2026-09-21T20:56:36","slug":"%e5%b8%a6%e5%ae%bd100m%e4%bd%86%e4%bc%a0%e8%be%93%e5%8f%aa%e6%9c%8930m%ef%bc%9f%e4%bd%a0%e7%9a%84%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%8f%af%e8%83%bd%e8%af%a5%e6%8d%a2tcp%e7%ae%97%e6%b3%95%e4%ba%86","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/108556.html","title":{"rendered":"\u5e26\u5bbd100M\u4f46\u4f20\u8f93\u53ea\u670930M\uff1f\u4f60\u7684\u670d\u52a1\u5668\u53ef\u80fd\u8be5\u6362TCP\u7b97\u6cd5\u4e86"},"content":{"rendered":"<h2>\u5e26\u5bbd100M\u4f46\u4f20\u8f93\u53ea\u670930M&#xff1f;\u4f60\u7684\u670d\u52a1\u5668\u53ef\u80fd\u8be5\u6362TCP\u7b97\u6cd5\u4e86<\/h2>\n<hr \/>\n<p>\u6458\u8981&#xff1a;\u670d\u52a1\u5668\u5e26\u5bbd100M&#xff0c;iperf\u6d4b\u51fa\u6765\u53ea\u670930M\u3002\u7ebf\u8def\u6ca1\u95ee\u9898\u3001\u7f51\u5361\u6ca1\u95ee\u9898\u3001MTU\u4e5f\u6b63\u5e38\u3002\u6700\u540e\u53d1\u73b0\u662fTCP\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u5728\u62d6\u540e\u817f\u3002\u672c\u6587\u4ece\u4e00\u6b21\u5b9e\u9645\u6392\u67e5\u51fa\u53d1&#xff0c;\u8bb2\u6e05\u695aReno\u3001CUBIC\u3001BBR\u7684\u533a\u522b&#xff0c;\u4ee5\u53ca\u4ec0\u4e48\u65f6\u5019\u8be5\u6362\u3001\u600e\u4e48\u6362\u3002<\/p>\n<p>\u5173\u952e\u8bcd&#xff1a;TCP\u62e5\u585e\u63a7\u5236\u3001BBR\u3001CUBIC\u3001\u5e26\u5bbd\u4f18\u5316\u3001Linux\u7f51\u7edc\u8c03\u4f18<\/p>\n<p>\u5206\u7c7b&#xff1a;\u7f51\u7edc \/ Linux\u8fd0\u7ef4 \/ \u6027\u80fd\u4f18\u5316<\/p>\n<hr \/>\n<h3>\u4e00\u3001\u4ece\u4e00\u4e2a&#034;\u5e26\u5bbd\u8dd1\u4e0d\u6ee1&#034;\u7684\u95ee\u9898\u8bf4\u8d77<\/h3>\n<p>\u6709\u4e2a\u5ba2\u6237\u627e\u6211&#xff0c;\u8bf4\u670d\u52a1\u5668100M\u72ec\u4eab\u5e26\u5bbd&#xff0c;\u4f46\u4f20\u6587\u4ef6\u600e\u4e48\u90fd\u8dd1\u4e0d\u6ee1\u3002<\/p>\n<p>\u6211\u5148\u8ba9\u4ed6\u8dd1iperf&#xff1a;<\/p>\n<p>iperf3 <span class=\"token parameter variable\">-c<\/span> \u516c\u5171\u6d4b\u8bd5IP <span class=\"token parameter variable\">-t<\/span> <span class=\"token number\">30<\/span><\/p>\n<p>[ ID] Interval       Transfer     Bitrate<br \/>\n[  5] 0.00-30.00 sec   108 GBytes  30.9 Mbits\/sec<\/p>\n<p>100M\u5e26\u5bbd\u53ea\u8dd1\u51fa30M\u3002<\/p>\n<p>\u6392\u9664\u4e86\u7f51\u5361&#xff08;\u5343\u5146\u6ca1\u95ee\u9898&#xff09;\u3001\u6392\u9664\u4e86\u7ebf\u8def&#xff08;\u72ec\u4eab\u786e\u8ba4\u8fc7&#xff09;\u3001\u6392\u9664\u4e86MTU\u3002\u6700\u540e\u67e5\u5230\u4e00\u4e2a\u53c2\u6570&#xff1a;<\/p>\n<p><span class=\"token function\">sysctl<\/span> net.ipv4.tcp_congestion_control<\/p>\n<p>net.ipv4.tcp_congestion_control &#061; cubic<\/p>\n<p>CUBIC&#xff0c;Linux\u9ed8\u8ba4\u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u3002<\/p>\n<p>\u6362\u6210BBR&#xff1a;<\/p>\n<p><span class=\"token function\">sysctl<\/span> <span class=\"token parameter variable\">-w<\/span> <span class=\"token assign-left variable\">net.ipv4.tcp_congestion_control<\/span><span class=\"token operator\">&#061;<\/span>bbr<br \/>\n<span class=\"token function\">sysctl<\/span> <span class=\"token parameter variable\">-w<\/span> <span class=\"token assign-left variable\">net.core.default_qdisc<\/span><span class=\"token operator\">&#061;<\/span>fq<\/p>\n<p>\u518d\u6d4b&#xff1a;<\/p>\n<p>[ ID] Interval       Transfer     Bitrate<br \/>\n[  5] 0.00-30.00 sec   347 GBytes  99.5 Mbits\/sec<\/p>\n<p>30M\u523099.5M\u3002\u540c\u6837\u7684\u670d\u52a1\u5668\u3001\u540c\u6837\u7684\u7f51\u7edc&#xff0c;\u53ea\u6362\u4e86\u4e00\u4e2a\u5185\u6838\u53c2\u6570&#xff0c;\u901f\u5ea6\u7ffb\u4e86\u4e09\u500d\u3002<\/p>\n<hr \/>\n<h3>\u4e8c\u3001TCP\u62e5\u585e\u63a7\u5236\u662f\u4ec0\u4e48<\/h3>\n<p>TCP\u53d1\u6570\u636e\u4e0d\u662f\u4e00\u80a1\u8111\u5168\u585e\u51fa\u53bb\u3002\u5b83\u4f1a\u6839\u636e\u7f51\u7edc\u72b6\u51b5\u52a8\u6001\u8c03\u6574\u53d1\u9001\u901f\u7387&#xff0c;\u907f\u514d\u628a\u7f51\u7edc\u5835\u6b7b\u3002\u8fd9\u4e2a&#034;\u6839\u636e\u7f51\u7edc\u72b6\u51b5\u8c03\u6574\u901f\u7387&#034;\u7684\u7b56\u7565&#xff0c;\u5c31\u662f\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u3002<\/p>\n<p>\u6253\u4e2a\u4e0d\u4e25\u8c28\u7684\u6bd4\u65b9&#xff1a;\u5f00\u8f66\u4e0a\u9ad8\u901f&#xff0c;\u9650\u901f120\u4f46\u524d\u9762\u6709\u8f66\u6d41&#xff0c;\u4f60\u5f97\u6839\u636e\u524d\u8f66\u8ddd\u79bb\u51b3\u5b9a\u6cb9\u95e8\u8e29\u591a\u6df1\u3002\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u51b3\u5b9a\u7684\u5c31\u662f&#034;\u4ec0\u4e48\u65f6\u5019\u52a0\u901f\u3001\u4ec0\u4e48\u65f6\u5019\u51cf\u901f\u3001\u600e\u4e48\u5224\u65ad\u524d\u9762\u5835\u4e0d\u5835&#034;\u3002<\/p>\n<p>\u4e0d\u540c\u7684\u5224\u65ad\u65b9\u5f0f&#xff0c;\u6548\u679c\u5dee\u8ddd\u5de8\u5927\u3002<\/p>\n<hr \/>\n<h3>\u4e09\u3001\u4e09\u4ee3\u7b97\u6cd5\u7684\u6f14\u8fdb<\/h3>\n<h4>Reno&#xff1a;\u6700\u8001\u7684\u601d\u8def&#xff0c;\u9760\u4e22\u5305\u5224\u65ad\u7f51\u7edc\u72b6\u51b5<\/h4>\n<p>Reno\u7684\u7b56\u7565\u662f\u8fd9\u6837\u7684&#xff1a;<\/p>\n<p>\u5148\u6162\u542f\u52a8\u2014\u2014\u4e00\u5f00\u59cb\u53d1\u5f97\u6162&#xff0c;\u6536\u5230\u786e\u8ba4\u5c31\u52a0\u901f&#xff0c;\u6307\u6570\u589e\u957f\u3002\u5230\u4e86\u4e00\u5b9a\u9608\u503c\u4e4b\u540e\u6539\u6210\u7ebf\u6027\u589e\u957f&#xff0c;\u4e00\u70b9\u4e00\u70b9\u8bd5\u63a2\u4e0a\u9650\u3002\u4e00\u65e6\u53d1\u73b0\u4e22\u5305&#xff0c;\u7acb\u523b\u628a\u53d1\u9001\u901f\u7387\u51cf\u534a&#xff0c;\u7136\u540e\u6162\u6162\u6062\u590d\u3002<\/p>\n<p>\u8fd9\u4e2a\u601d\u8def\u5728\u65e9\u671f\u7f51\u7edc\u73af\u5883\u4e0b\u6ca1\u95ee\u9898\u3002\u90a3\u65f6\u5019\u8bbe\u5907\u7f13\u51b2\u533a\u5c0f&#xff0c;\u62e5\u585e\u4e86\u5c31\u4e22\u5305&#xff0c;\u4e22\u5305\u786e\u5b9e\u662f&#034;\u8def\u5835\u4e86&#034;\u7684\u53ef\u9760\u4fe1\u53f7\u3002<\/p>\n<p>\u4f46\u73b0\u5728\u7684\u95ee\u9898\u662f&#xff1a;\u4e22\u5305\u4e0d\u4e00\u5b9a\u4ee3\u8868\u62e5\u585e\u3002<\/p>\n<p>\u6bd4\u5982\u957f\u8ddd\u79bb\u4f20\u8f93&#xff08;\u4e2d\u56fd\u5230\u7f8e\u56fd&#xff0c;RTT 150ms&#043;&#xff09;&#xff0c;\u4e2d\u95f4\u8bbe\u5907\u7684\u7f13\u51b2\u533a\u53ef\u80fd\u5f88\u5927\u3002\u62e5\u585e\u4e86\u4e0d\u4e22\u5305&#xff0c;\u53ea\u662f\u6570\u636e\u5305\u5728\u7f13\u51b2\u533a\u91cc\u6392\u961f&#xff0c;\u5ef6\u8fdf\u53d8\u9ad8\u3002Reno\u63a2\u6d4b\u4e0d\u5230\u8fd9\u79cd\u60c5\u51b5&#xff0c;\u901f\u7387\u4e0a\u4e0d\u53bb\u3002<\/p>\n<p>\u53cd\u8fc7\u6765&#xff0c;\u65e0\u7ebf\u7f51\u7edc\u91cc\u7684\u968f\u673a\u4e22\u5305\u53ef\u80fd\u53ea\u662f\u4fe1\u53f7\u5e72\u6270&#xff0c;\u4e0d\u4ee3\u8868\u62e5\u585e\u3002Reno\u5374\u4f1a\u56e0\u6b64\u5927\u5e45\u964d\u901f&#xff0c;\u6d6a\u8d39\u5e26\u5bbd\u3002<\/p>\n<h4>CUBIC&#xff1a;Linux\u9ed8\u8ba4&#xff0c;\u6bd4Reno\u806a\u660e\u4f46\u6838\u5fc3\u601d\u8def\u6ca1\u53d8<\/h4>\n<p>CUBIC\u4ece2006\u5e74\u5f00\u59cb\u5c31\u662fLinux\u9ed8\u8ba4\u7b97\u6cd5&#xff0c;\u5927\u90e8\u5206\u670d\u52a1\u5668\u73b0\u5728\u8fd8\u5728\u7528\u3002<\/p>\n<p>\u5b83\u6539\u8fdb\u4e86\u7a97\u53e3\u589e\u957f\u66f2\u7ebf\u2014\u2014\u4eceReno\u7684\u7ebf\u6027\u589e\u957f\u53d8\u6210\u4e86\u4e09\u6b21\u51fd\u6570\u66f2\u7ebf\u3002\u6062\u590d\u901f\u5ea6\u5feb\u4e86\u5f88\u591a&#xff0c;\u9ad8\u5e26\u5bbd\u573a\u666f\u4e0b\u7a97\u53e3\u589e\u957f\u6548\u7387\u4e5f\u66f4\u9ad8\u3002<\/p>\n<p>\u4f46\u672c\u8d28\u6ca1\u53d8&#xff1a;CUBIC\u8fd8\u662f\u9760\u4e22\u5305\u6765\u5224\u65ad\u7f51\u7edc\u72b6\u51b5\u3002 \u6ca1\u4e22\u5305\u5c31\u4e00\u76f4\u8bd5\u63a2\u4e0a\u9650&#xff0c;\u4e22\u4e86\u5c31\u51cf\u901f\u3002<\/p>\n<p>\u8fd9\u5728\u4e24\u79cd\u573a\u666f\u4e0b\u6709\u95ee\u9898&#xff1a;<\/p>\n<p>\u9ad8\u5ef6\u8fdf\u94fe\u8def\u3002 \u5e26\u5bbd\u65f6\u5ef6\u79ef&#xff08;BDP&#xff09;&#061; \u5e26\u5bbd \u00d7 \u5ef6\u8fdf\u3002\u4e00\u6761100M\u5e26\u5bbd\u3001100ms\u5ef6\u8fdf\u7684\u94fe\u8def&#xff0c;BDP\u7ea61.25MB\u3002CUBIC\u7684\u62e5\u585e\u7a97\u53e3\u9700\u8981\u65f6\u95f4\u6da8\u5230\u80fd\u586b\u6ee1\u8fd9\u4e2aBDP\u7684\u5927\u5c0f\u3002\u5ef6\u8fdf\u8d8a\u9ad8&#xff0c;\u9700\u8981\u7684\u65f6\u95f4\u8d8a\u957f\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u5e26\u5bbd\u5229\u7528\u7387\u5f88\u4f4e\u3002<\/p>\n<p>\u6709\u5927\u7f13\u51b2\u533a\u7684\u7f51\u7edc\u8bbe\u5907\u3002 \u73b0\u4ee3\u4ea4\u6362\u673a\u8def\u7531\u5668\u7684\u7f13\u51b2\u533a\u8d8a\u6765\u8d8a\u5927\u3002\u62e5\u585e\u4e86\u4e0d\u4e22\u5305&#xff0c;\u6570\u636e\u5305\u5168\u5806\u5728\u7f13\u51b2\u533a\u91cc\u6392\u961f&#xff0c;\u5ef6\u8fdf\u98d9\u5230\u51e0\u767e\u6beb\u79d2\u3002CUBIC\u4ee5\u4e3a\u7f51\u7edc\u5f88\u597d\u7ee7\u7eed\u731b\u53d1&#xff0c;\u7ed3\u679c\u662f\u5ef6\u8fdf\u8d8a\u6765\u8d8a\u9ad8\u3002\u8fd9\u5c31\u662fBufferbloat&#xff08;\u7f13\u51b2\u533a\u81a8\u80c0&#xff09;\u3002<\/p>\n<p>\u90a3\u4e2a\u5ba2\u6237\u7684\u670d\u52a1\u5668\u8d70\u7684\u662f\u8de8\u7701\u7ebf\u8def&#xff0c;RTT\u5927\u7ea625ms\u3002CUBIC\u5728\u8fd9\u4e2a\u5ef6\u8fdf\u4e0b\u7a97\u53e3\u589e\u957f\u5f88\u6162&#xff0c;\u5e26\u5bbd\u5229\u7528\u7387\u53ea\u670930%\u5de6\u53f3\u3002<\/p>\n<h4>BBR&#xff1a;\u4e0d\u770b\u4e22\u5305&#xff0c;\u770b\u5e26\u5bbd\u548c\u5ef6\u8fdf<\/h4>\n<p>BBR\u662fGoogle\u57282016\u5e74\u63d0\u51fa\u7684&#xff0c;Linux 4.9\u5f00\u59cb\u652f\u6301\u3002<\/p>\n<p>BBR\u7684\u6838\u5fc3\u601d\u8def\u5b8c\u5168\u4e0d\u540c\u3002\u5b83\u4e0d\u5173\u5fc3\u4e22\u4e0d\u4e22\u5305&#xff0c;\u800c\u662f\u6301\u7eed\u6d4b\u91cf\u4e24\u4e2a\u6307\u6807&#xff1a;<\/p>\n<ul>\n<li>\u94fe\u8def\u7684\u6700\u5927\u4f20\u8f93\u901f\u7387&#xff08;\u74f6\u9888\u5e26\u5bbd&#xff09;<\/li>\n<li>\u94fe\u8def\u7684\u6700\u5c0f\u65f6\u5ef6&#xff08;\u6700\u5c0fRTT&#xff09;<\/li>\n<\/ul>\n<p>\u53d1\u9001\u901f\u7387\u63a7\u5236\u5728&#034;\u74f6\u9888\u5e26\u5bbd \u00d7 \u6700\u5c0fRTT&#034;\u9644\u8fd1\u2014\u2014\u521a\u597d\u586b\u6ee1\u94fe\u8def\u4f46\u4e0d\u9020\u6210\u6392\u961f\u3002<\/p>\n<p>\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f&#xff1a;<\/p>\n<ul>\n<li>\u9ad8\u5ef6\u8fdf\u573a\u666f\u4e0b&#xff0c;BBR\u80fd\u5feb\u901f\u63a2\u6d4b\u5230\u53ef\u7528\u5e26\u5bbd&#xff0c;\u4e0d\u9700\u8981\u50cfCUBIC\u90a3\u6837\u6162\u6162\u6da8\u7a97\u53e3<\/li>\n<li>\u5c11\u91cf\u968f\u673a\u4e22\u5305\u4e0d\u4f1a\u5bfc\u81f4\u5927\u5e45\u964d\u901f<\/li>\n<li>\u80fd\u4e3b\u52a8\u907f\u514dBufferbloat&#xff0c;\u4e0d\u8ba9\u6570\u636e\u5305\u5728\u7f13\u51b2\u533a\u91cc\u5806\u79ef<\/li>\n<\/ul>\n<p>BBR\u7684\u9002\u7528\u8fb9\u754c&#xff1a;<\/p>\n<p>\u540c\u673a\u623f\u5185\u7f51&#xff08;\u5ef6\u8fdf&lt;1ms\u3001\u65e0\u4e22\u5305&#xff09;&#xff1a;CUBIC\u548cBBR\u5dee\u522b\u4e0d\u5927\u3002\u5185\u7f51\u73af\u5883\u4e0bCUBIC\u4e5f\u80fd\u8dd1\u6ee1&#xff0c;\u6362\u4e0d\u6362\u65e0\u6240\u8c13\u3002<\/p>\n<p>\u8de8\u7f51\u4f20\u8f93&#xff08;\u5ef6\u8fdf&gt;20ms\u6216\u6709\u4e22\u5305&#xff09;&#xff1a;BBR\u6548\u679c\u660e\u663e\u3002<\/p>\n<p>\u516c\u5e73\u6027\u65b9\u9762&#xff1a;BBR v1\u5728\u4e0eCUBIC\u5171\u4eab\u94fe\u8def\u65f6\u53ef\u80fd\u62a2\u5230\u66f4\u591a\u5e26\u5bbd\u3002BBR v2\u6539\u5584\u4e86\u8fd9\u4e2a\u95ee\u9898&#xff0c;\u4f46\u622a\u81f32025\u5e74\u521d&#xff0c;\u4e3b\u7ebf\u5185\u6838\u91cc\u96c6\u6210\u7684\u8fd8\u662fBBR v1\u3002\u5927\u90e8\u5206\u573a\u666f\u4e0b\u8fd9\u4e0d\u662f\u95ee\u9898&#xff0c;\u4f46\u5982\u679c\u540c\u4e00\u53f0\u673a\u5668\u4e0a\u6709BBR\u548cCUBIC\u7684\u6d41\u91cf\u8d70\u540c\u4e00\u6761\u94fe\u8def&#xff0c;\u503c\u5f97\u5173\u6ce8\u4e00\u4e0b\u3002<\/p>\n<hr \/>\n<h3>\u56db\u3001\u5b9e\u6d4b\u5bf9\u6bd4<\/h3>\n<h4>iperf\u6d4b\u8bd5\u6570\u636e<\/h4>\n<p>\u573a\u666fA&#xff1a;\u540c\u673a\u623f&#xff08;RTT &lt; 1ms&#xff0c;\u65e0\u4e22\u5305&#xff09;<\/p>\n<p><span class=\"token comment\"># CUBIC<\/span><br \/>\niperf3 <span class=\"token parameter variable\">-c<\/span> \u76ee\u6807IP <span class=\"token parameter variable\">-t<\/span> <span class=\"token number\">30<\/span> <span class=\"token parameter variable\">-C<\/span> cubic<br \/>\n<span class=\"token comment\"># 94.2 Mbits\/sec<\/span><\/p>\n<p><span class=\"token comment\"># BBR<\/span><br \/>\niperf3 <span class=\"token parameter variable\">-c<\/span> \u76ee\u6807IP <span class=\"token parameter variable\">-t<\/span> <span class=\"token number\">30<\/span> <span class=\"token parameter variable\">-C<\/span> bbr<br \/>\n<span class=\"token comment\"># 95.1 Mbits\/sec<\/span><\/p>\n<p>\u51e0\u4e4e\u6ca1\u5dee\u522b\u3002\u5185\u7f51\u73af\u5883CUBIC\u4e5f\u80fd\u8dd1\u6ee1\u3002<\/p>\n<p>\u573a\u666fB&#xff1a;\u8de8\u7701&#xff08;RTT ~30ms&#xff0c;\u5076\u53d1\u4e22\u5305&#xff09;<\/p>\n<p><span class=\"token comment\"># CUBIC<\/span><br \/>\niperf3 <span class=\"token parameter variable\">-c<\/span> \u76ee\u6807IP <span class=\"token parameter variable\">-t<\/span> <span class=\"token number\">30<\/span> <span class=\"token parameter variable\">-C<\/span> cubic<br \/>\n<span class=\"token comment\"># 45.3 Mbits\/sec<\/span><\/p>\n<p><span class=\"token comment\"># BBR<\/span><br \/>\niperf3 <span class=\"token parameter variable\">-c<\/span> \u76ee\u6807IP <span class=\"token parameter variable\">-t<\/span> <span class=\"token number\">30<\/span> <span class=\"token parameter variable\">-C<\/span> bbr<br \/>\n<span class=\"token comment\"># 88.7 Mbits\/sec<\/span><\/p>\n<p>BBR\u5feb\u4e86\u5c06\u8fd1\u4e00\u500d\u3002<\/p>\n<p>\u573a\u666fC&#xff1a;\u8de8\u56fd&#xff08;RTT ~150ms&#xff0c;\u6709\u4e00\u5b9a\u4e22\u5305&#xff09;<\/p>\n<p><span class=\"token comment\"># CUBIC<\/span><br \/>\niperf3 <span class=\"token parameter variable\">-c<\/span> \u76ee\u6807IP <span class=\"token parameter variable\">-t<\/span> <span class=\"token number\">30<\/span> <span class=\"token parameter variable\">-C<\/span> cubic<br \/>\n<span class=\"token comment\"># 12.8 Mbits\/sec<\/span><\/p>\n<p><span class=\"token comment\"># BBR<\/span><br \/>\niperf3 <span class=\"token parameter variable\">-c<\/span> \u76ee\u6807IP <span class=\"token parameter variable\">-t<\/span> <span class=\"token number\">30<\/span> <span class=\"token parameter variable\">-C<\/span> bbr<br \/>\n<span class=\"token comment\"># 68.5 Mbits\/sec<\/span><\/p>\n<p>BBR\u5feb\u4e865\u500d\u3002\u9ad8\u5ef6\u8fdf\u4e0bCUBIC\u7684\u7a97\u53e3\u6da8\u5f97\u592a\u6162&#xff0c;\u5e26\u5bbd\u5229\u7528\u7387\u5f88\u4f4e\u3002<\/p>\n<h4>\u5bf9\u5b9e\u9645\u4e1a\u52a1\u7684\u5f71\u54cd<\/h4>\n<p>iperf\u662f\u7406\u60f3\u573a\u666f\u3002\u5b9e\u9645\u4e1a\u52a1\u8981\u5206\u60c5\u51b5&#xff1a;<\/p>\n<p>\u5927\u6587\u4ef6\u4f20\u8f93\/\u5907\u4efd&#xff1a; \u6548\u679c\u6700\u660e\u663e&#xff0c;\u8de8\u7f51\u573a\u666f\u901f\u5ea6\u63d0\u53472-5\u500d\u3002<\/p>\n<p>API\u8c03\u7528&#xff08;\u5c0f\u6570\u636e\u5305&#xff09;&#xff1a; \u5f71\u54cd\u4e0d\u5927\u3002\u4e00\u4e2a\u8bf7\u6c42\/\u54cd\u5e94\u901a\u5e38\u51e0KB&#xff0c;\u4f20\u8f93\u65f6\u95f4\u8fdc\u5c0f\u4e8e\u670d\u52a1\u5668\u5904\u7406\u65f6\u95f4&#xff0c;\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u51e0\u4e4e\u6ca1\u6709\u5b58\u5728\u611f\u3002<\/p>\n<p>\u89c6\u9891\u63a8\u6d41\/\u76f4\u64ad&#xff1a; \u6548\u679c\u660e\u663e\u3002\u6301\u7eed\u5927\u6d41\u91cf\u4f20\u8f93&#xff0c;BBR\u80fd\u66f4\u597d\u5229\u7528\u5e26\u5bbd\u3002<\/p>\n<p>\u6570\u636e\u5e93\u8de8\u7f51\u4e3b\u4ece\u590d\u5236&#xff1a; \u6709\u6539\u5584\u3002binlog\u4f20\u8f93\u662f\u6301\u7eed\u7684\u4e2d\u7b49\u6d41\u91cf&#xff0c;BBR\u80fd\u51cf\u5c11\u590d\u5236\u5ef6\u8fdf\u3002<\/p>\n<p>WebSocket\u957f\u8fde\u63a5&#xff1a; \u6709\u6539\u5584\u3002BBR\u5bf9\u7f51\u7edc\u6296\u52a8\u7684\u5bb9\u5fcd\u5ea6\u66f4\u9ad8&#xff0c;\u8fde\u63a5\u66f4\u7a33\u5b9a\u4e0d\u5bb9\u6613\u56e0\u4e3a\u8bef\u5224\u62e5\u585e\u800c\u964d\u901f\u3002<\/p>\n<hr \/>\n<h3>\u4e94\u3001\u600e\u4e48\u67e5\u770b\u548c\u5207\u6362<\/h3>\n<h4>\u67e5\u770b\u5f53\u524d\u7b97\u6cd5<\/h4>\n<p><span class=\"token comment\"># \u5f53\u524d\u4f7f\u7528\u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> net.ipv4.tcp_congestion_control<br \/>\n<span class=\"token comment\"># net.ipv4.tcp_congestion_control &#061; cubic<\/span><\/p>\n<p><span class=\"token comment\"># \u5185\u6838\u652f\u6301\u7684\u6240\u6709\u7b97\u6cd5<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> net.ipv4.tcp_available_congestion_control<br \/>\n<span class=\"token comment\"># net.ipv4.tcp_available_congestion_control &#061; reno cubic<\/span><\/p>\n<p>\u5982\u679c\u8f93\u51fa\u91cc\u6ca1\u6709bbr&#xff0c;\u8bf4\u660e\u5185\u6838\u592a\u4f4e\u6216\u8005\u6ca1\u52a0\u8f7dBBR\u6a21\u5757\u3002<\/p>\n<h4>\u68c0\u67e5\u5185\u6838\u7248\u672c<\/h4>\n<p><span class=\"token function\">uname<\/span> <span class=\"token parameter variable\">-r<\/span><br \/>\n<span class=\"token comment\"># 5.10.0-xx.el8.x86_64<\/span><\/p>\n<p>BBR\u9700\u8981Linux 4.9\u53ca\u4ee5\u4e0a\u3002\u5efa\u8bae5.10&#043;&#xff0c;\u8fd9\u4e2a\u7248\u672c\u7684BBR\u5df2\u7ecf\u8db3\u591f\u7a33\u5b9a\u3002<\/p>\n<h4>\u52a0\u8f7d\u6a21\u5757\u5e76\u5207\u6362<\/h4>\n<p><span class=\"token comment\"># \u52a0\u8f7dBBR\u6a21\u5757<\/span><br \/>\nmodprobe tcp_bbr<\/p>\n<p><span class=\"token comment\"># \u786e\u8ba4\u52a0\u8f7d\u6210\u529f<\/span><br \/>\nlsmod <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> bbr<br \/>\n<span class=\"token comment\"># tcp_bbr                20480  0<\/span><\/p>\n<p><span class=\"token comment\"># \u4e34\u65f6\u5207\u6362&#xff08;\u91cd\u542f\u540e\u5931\u6548&#xff09;<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> <span class=\"token parameter variable\">-w<\/span> <span class=\"token assign-left variable\">net.ipv4.tcp_congestion_control<\/span><span class=\"token operator\">&#061;<\/span>bbr<br \/>\n<span class=\"token function\">sysctl<\/span> <span class=\"token parameter variable\">-w<\/span> <span class=\"token assign-left variable\">net.core.default_qdisc<\/span><span class=\"token operator\">&#061;<\/span>fq<\/p>\n<p><span class=\"token comment\"># \u6c38\u4e45\u751f\u6548<\/span><br \/>\n<span class=\"token function\">cat<\/span> <span class=\"token operator\">&gt;&gt;<\/span> \/etc\/sysctl.conf <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#039;EOF&#039;<\/p>\n<p># BBR\u62e5\u585e\u63a7\u5236<br \/>\nnet.core.default_qdisc &#061; fq<br \/>\nnet.ipv4.tcp_congestion_control &#061; bbr<br \/>\nEOF<\/span><\/p>\n<p><span class=\"token function\">sysctl<\/span> <span class=\"token parameter variable\">-p<\/span><\/p>\n<p>net.core.default_qdisc &#061; fq \u5efa\u8bae\u914d\u4e0a\u3002BBR\u914d\u5408Fair Queue\u8c03\u5ea6\u5668&#xff08;fq&#xff09;\u6548\u679c\u6700\u597d\u3002\u4e0d\u914d\u4e5f\u80fd\u8dd1&#xff0c;\u4f46fq\u80fd\u5e2eBBR\u505a\u7cbe\u786e\u7684\u53d1\u9001\u8282\u594f\u63a7\u5236\u3002<\/p>\n<h4>\u9a8c\u8bc1<\/h4>\n<p><span class=\"token comment\"># \u786e\u8ba4\u7b97\u6cd5\u5df2\u5207\u6362<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> net.ipv4.tcp_congestion_control<br \/>\n<span class=\"token comment\"># net.ipv4.tcp_congestion_control &#061; bbr<\/span><\/p>\n<p><span class=\"token comment\"># \u67e5\u770b\u5df2\u6709\u8fde\u63a5\u7684\u7b97\u6cd5&#xff08;\u65b0\u5efa\u8fde\u63a5\u624d\u7528\u65b0\u7b97\u6cd5&#xff0c;\u5df2\u6709\u8fde\u63a5\u4e0d\u53d8&#xff09;<\/span><br \/>\nss <span class=\"token parameter variable\">-tin<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">head<\/span> <span class=\"token parameter variable\">-5<\/span><\/p>\n<p>\u5207\u6362\u7b97\u6cd5\u53ea\u5bf9\u65b0\u5efa\u8fde\u63a5\u751f\u6548\u3002\u5df2\u7ecf\u5efa\u7acb\u7684TCP\u8fde\u63a5&#xff08;\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u3001WebSocket\u7b49&#xff09;\u8fd8\u662f\u7528\u7684\u65e7\u7b97\u6cd5\u3002\u8981\u8ba9\u6240\u6709\u8fde\u63a5\u751f\u6548&#xff0c;\u9700\u8981\u91cd\u542f\u5e94\u7528\u8ba9\u8fde\u63a5\u91cd\u5efa\u3002<\/p>\n<hr \/>\n<h3>\u516d\u3001\u5207\u6362\u6ce8\u610f\u4e8b\u9879<\/h3>\n<h4>\u4e0d\u662f\u6240\u6709\u573a\u666f\u90fd\u8981\u6362<\/h4>\n<p>\u540c\u673a\u623f\u5185\u7f51&#xff1a;CUBIC\u591f\u7528&#xff0c;\u4e0d\u7528\u6298\u817e\u3002BBR\u7684\u4f18\u52bf\u5728\u8de8\u7f51\u548c\u9ad8\u5ef6\u8fdf\u573a\u666f\u3002<\/p>\n<p>\u8de8\u7f51\u4f20\u8f93&#xff1a;\u5efa\u8bae\u6362&#xff0c;\u6548\u679c\u660e\u663e\u3002<\/p>\n<h4>\u751f\u4ea7\u73af\u5883\u5148\u7070\u5ea6<\/h4>\n<p>\u867d\u7136BBR\u5f88\u6210\u719f\u4e86&#xff0c;\u751f\u4ea7\u73af\u5883\u8fd8\u662f\u5efa\u8bae\u5148\u5728\u4e00\u53f0\u673a\u5668\u4e0a\u9a8c\u8bc1&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5207\u6362\u524d\u8bb0\u5f55\u57fa\u51c6\u6570\u636e<\/span><br \/>\niperf3 <span class=\"token parameter variable\">-c<\/span> \u6d4b\u8bd5IP <span class=\"token parameter variable\">-t<\/span> <span class=\"token number\">60<\/span> <span class=\"token parameter variable\">-C<\/span> cubic <span class=\"token operator\">&gt;<\/span> \/tmp\/before_bbr.txt<\/p>\n<p><span class=\"token comment\"># \u5207\u6362<\/span><br \/>\n<span class=\"token function\">sysctl<\/span> <span class=\"token parameter variable\">-w<\/span> <span class=\"token assign-left variable\">net.ipv4.tcp_congestion_control<\/span><span class=\"token operator\">&#061;<\/span>bbr<br \/>\n<span class=\"token function\">sysctl<\/span> <span class=\"token parameter variable\">-w<\/span> <span class=\"token assign-left variable\">net.core.default_qdisc<\/span><span class=\"token operator\">&#061;<\/span>fq<\/p>\n<p><span class=\"token comment\"># \u5207\u6362\u540e\u5bf9\u6bd4<\/span><br \/>\niperf3 <span class=\"token parameter variable\">-c<\/span> \u6d4b\u8bd5IP <span class=\"token parameter variable\">-t<\/span> <span class=\"token number\">60<\/span> <span class=\"token parameter variable\">-C<\/span> bbr <span class=\"token operator\">&gt;<\/span> \/tmp\/after_bbr.txt<\/p>\n<p>\u89c2\u5bdf\u4e00\u4e24\u5929&#xff0c;\u786e\u8ba4\u4e1a\u52a1\u6307\u6807\u6ca1\u6709\u5f02\u5e38\u518d\u6279\u91cf\u63a8\u5e7f\u3002<\/p>\n<h4>BBR v1\u548cv2<\/h4>\n<p>\u76ee\u524d\u4e3b\u7ebf\u5185\u6838\u96c6\u6210\u7684\u662fBBR v1\u3002BBR v2\u6539\u8fdb\u4e86\u516c\u5e73\u6027\u548c\u5bf9\u4e22\u5305\u7684\u54cd\u5e94\u7b56\u7565&#xff0c;\u4f46\u8fd8\u5728\u5f00\u53d1\u4e2d&#xff0c;\u9700\u8981\u6253\u8865\u4e01\u3002\u5927\u90e8\u5206\u573a\u666fBBR v1\u591f\u7528&#xff0c;\u4e0d\u7528\u8ffdv2\u3002<\/p>\n<hr \/>\n<h3>\u4e03\u3001\u987a\u624b\u4e00\u8d77\u8c03\u7684\u5185\u6838\u53c2\u6570<\/h3>\n<p>\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u6362\u4e86&#xff0c;\u8fd9\u51e0\u4e2a\u53c2\u6570\u5efa\u8bae\u4e00\u8d77\u8c03&#xff1a;<\/p>\n<p><span class=\"token function\">cat<\/span> <span class=\"token operator\">&gt;&gt;<\/span> \/etc\/sysctl.conf <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#039;EOF&#039;<\/p>\n<p># BBR\u62e5\u585e\u63a7\u5236<br \/>\nnet.core.default_qdisc &#061; fq<br \/>\nnet.ipv4.tcp_congestion_control &#061; bbr<\/p>\n<p># TCP\u7f13\u51b2\u533a\u5927\u5c0f&#xff08;\u6839\u636e\u5e26\u5bbd\u5ef6\u8fdf\u79ef\u8c03\u6574&#xff09;<br \/>\n# \u9ed8\u8ba4\u503c\u592a\u5c0f&#xff0c;\u9ad8\u5ef6\u8fdf\u573a\u666f\u4e0b\u4f1a\u9650\u5236\u541e\u5410<br \/>\nnet.core.rmem_max &#061; 16777216<br \/>\nnet.core.wmem_max &#061; 16777216<br \/>\nnet.ipv4.tcp_rmem &#061; 4096 87380 16777216<br \/>\nnet.ipv4.tcp_wmem &#061; 4096 65536 16777216<\/p>\n<p># \u8fde\u63a5\u6570<br \/>\nnet.core.somaxconn &#061; 65535<br \/>\nnet.ipv4.tcp_max_syn_backlog &#061; 65535<br \/>\nnet.ipv4.ip_local_port_range &#061; 1024 65535<\/p>\n<p># TIME_WAIT\u76f8\u5173<br \/>\nnet.ipv4.tcp_tw_reuse &#061; 1<br \/>\nnet.ipv4.tcp_fin_timeout &#061; 15<br \/>\nEOF<\/span><\/p>\n<p><span class=\"token function\">sysctl<\/span> <span class=\"token parameter variable\">-p<\/span><\/p>\n<p>tcp_rmem\u548ctcp_wmem\u7684\u7b2c\u4e09\u4e2a\u6570\u5b57&#xff08;\u6700\u5927\u503c&#xff09;\u8bbe\u523016MB&#xff0c;\u4fdd\u8bc1\u9ad8\u5ef6\u8fdf\u573a\u666f\u4e0bTCP\u7f13\u51b2\u533a\u80fd\u81ea\u52a8\u6269\u5927\u5230\u8db3\u591f\u5927\u3002\u9ed8\u8ba4\u503c\u901a\u5e38\u53ea\u6709\u51e0MB&#xff0c;\u5728\u8de8\u56fd\u4f20\u8f93\u573a\u666f\u4e0b\u53ef\u80fd\u6210\u4e3a\u74f6\u9888\u3002<\/p>\n<p>tcp_fin_timeout\u63a7\u5236\u7684\u662fFIN_WAIT_2\u72b6\u6001\u7684\u8d85\u65f6\u65f6\u95f4&#xff0c;\u4e0d\u662fTIME_WAIT\u3002FIN_WAIT_2\u662f\u88ab\u52a8\u5173\u95ed\u65b9\u6536\u5230FIN\u540e\u7684\u72b6\u6001&#xff0c;\u8d85\u65f6\u540e\u76f4\u63a5\u5173\u95ed\u3002\u8bbe\u77ed\u4e00\u70b9\u80fd\u66f4\u5feb\u91ca\u653e\u8fde\u63a5\u8d44\u6e90\u3002<\/p>\n<hr \/>\n<h3>\u516b\u3001\u901f\u67e5\u8868<\/h3>\n<table>\n<tr>\u573a\u666fCUBIC\u8868\u73b0BBR\u8868\u73b0\u5efa\u8bae<\/tr>\n<tbody>\n<tr>\n<td>\u540c\u673a\u623f\u5185\u7f51<\/td>\n<td>\u8dd1\u6ee1<\/td>\n<td>\u8dd1\u6ee1<\/td>\n<td>\u4e0d\u7528\u6362<\/td>\n<\/tr>\n<tr>\n<td>\u8de8\u7701&#xff08;~30ms&#xff09;<\/td>\n<td>\u53ef\u80fd\u53ea\u752850%\u5e26\u5bbd<\/td>\n<td>\u63a5\u8fd1\u8dd1\u6ee1<\/td>\n<td>\u5efa\u8bae\u6362<\/td>\n<\/tr>\n<tr>\n<td>\u8de8\u56fd&#xff08;150ms&#043;&#xff09;<\/td>\n<td>\u53ef\u80fd\u53ea\u752810-20%<\/td>\n<td>50-70%<\/td>\n<td>\u5f3a\u70c8\u5efa\u8bae\u6362<\/td>\n<\/tr>\n<tr>\n<td>\u65e0\u7ebf\/\u6709\u968f\u673a\u4e22\u5305<\/td>\n<td>\u4e22\u5305\u5c31\u964d\u901f<\/td>\n<td>\u4e0d\u53d7\u5c11\u91cf\u4e22\u5305\u5f71\u54cd<\/td>\n<td>\u5efa\u8bae\u6362<\/td>\n<\/tr>\n<tr>\n<td>\u5c0f\u5305API\u8c03\u7528<\/td>\n<td>\u5f71\u54cd\u5c0f<\/td>\n<td>\u5f71\u54cd\u5c0f<\/td>\n<td>\u6362\u4e0d\u6362\u90fd\u884c<\/td>\n<\/tr>\n<tr>\n<td>\u5927\u6587\u4ef6\u4f20\u8f93<\/td>\n<td>\u9ad8\u5ef6\u8fdf\u4e0b\u5dee<\/td>\n<td>\u660e\u663e\u63d0\u5347<\/td>\n<td>\u5efa\u8bae\u6362<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u5e93\u8de8\u7f51\u590d\u5236<\/td>\n<td>\u53ef\u80fd\u6709\u5ef6\u8fdf<\/td>\n<td>\u590d\u5236\u5ef6\u8fdf\u6539\u5584<\/td>\n<td>\u5efa\u8bae\u6362<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u6700\u540e<\/h3>\n<p>\u56de\u5230\u5f00\u5934\u90a3\u4e2a\u5ba2\u6237\u3002100M\u5e26\u5bbd\u53ea\u8dd1\u51fa30M&#xff0c;\u6362BBR\u4e4b\u540e99.5M\u3002<\/p>\n<p>\u8fd9\u4e2a\u53c2\u6570\u4e0d\u8981\u94b1\u3001\u6539\u8d77\u6765\u4e00\u5206\u949f\u3001\u6548\u679c\u7acb\u7aff\u89c1\u5f71\u3002\u4f46\u786e\u5b9e\u6709\u4e0d\u5c11\u8fd0\u7ef4\u548c\u5f00\u53d1\u4e0d\u77e5\u9053\u8fd9\u4e2a\u4e1c\u897f\u7684\u5b58\u5728\u3002\u5b58\u5728&#034;\u5e26\u5bbd\u8dd1\u4e0d\u6ee1&#034;\u95ee\u9898\u7684\u670d\u52a1\u5668&#xff0c;\u503c\u5f97\u67e5\u4e00\u4e0bnet.ipv4.tcp_congestion_control&#xff0c;\u5982\u679c\u662fcubic&#xff0c;\u6362\u6210bbr\u8bd5\u8bd5\u3002<\/p>\n<p>\u4e0d\u8fc7BBR\u4e0d\u662f\u4e07\u80fd\u836f\u3002\u5982\u679c\u4f60\u7684\u74f6\u9888\u5728\u5e94\u7528\u5c42\u5904\u7406\u6162\u3001\u6570\u636e\u5e93\u67e5\u8be2\u6162\u3001\u6216\u8005\u4e0b\u6e38\u63a5\u53e3\u54cd\u5e94\u6162&#xff0c;\u6362\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u5e2e\u4e0d\u4e0a\u5fd9\u3002\u5148\u7528curl -w\u6216\u8005tcpdump\u786e\u8ba4\u95ee\u9898\u5728\u7f51\u7edc\u4f20\u8f93\u5c42&#xff0c;\u518d\u8003\u8651\u6362\u7b97\u6cd5\u3002<\/p>\n<hr \/>\n<p>\u8fd9\u4e2a\u7cfb\u5217\u4e00\u76f4\u5728\u5199\u670d\u52a1\u5668\u548c\u7f51\u7edc\u76f8\u5173\u7684\u5b9e\u6218\u5185\u5bb9\u3002BGP\u3001DNS\u3001\u5e26\u5bbd\u9009\u578b\u3001\u670d\u52a1\u5668\u914d\u7f6e\u3001GPU\u8fd9\u4e9b\u4e4b\u524d\u90fd\u804a\u8fc7\u4e86&#xff0c;\u8fd9\u7bc7\u8865\u4e0aTCP\u5c42\u9762\u7684\u4e00\u5757\u62fc\u56fe\u3002<\/p>\n<p>\u4e0b\u4e00\u7bc7&#xff1a;10\u4e2a\u6392\u67e5\u7f51\u7edc\u95ee\u9898\u7684\u547d\u4ee4\u884c\u5de5\u5177\u5b9e\u6218 \u2014\u2014 \u6bcf\u4e2a\u5de5\u5177\u914d\u771f\u5b9e\u8f93\u51fa\u548c\u4f7f\u7528\u573a\u666f\u3002<\/p>\n<p>\u6709\u95ee\u9898\u8bc4\u8bba\u533a\u804a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5e26\u5bbd100M\u4f46\u4f20\u8f93\u53ea\u670930M&#xff1f;\u4f60\u7684\u670d\u52a1\u5668\u53ef\u80fd\u8be5\u6362TCP\u7b97\u6cd5\u4e86\u6458\u8981&#xff1a;\u670d\u52a1\u5668\u5e26\u5bbd100M&#xff0c;iperf\u6d4b\u51fa\u6765\u53ea\u670930M\u3002\u7ebf\u8def\u6ca1\u95ee\u9898\u3001\u7f51\u5361\u6ca1\u95ee\u9898\u3001MTU\u4e5f\u6b63\u5e38\u3002\u6700\u540e\u53d1\u73b0\u662fTCP\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u5728\u62d6\u540e\u817f\u3002\u672c\u6587\u4ece\u4e00\u6b21\u5b9e\u9645\u6392\u67e5\u51fa\u53d1&#xff0c;\u8bb2\u6e05\u695aReno\u3001CUBIC\u3001BBR\u7684\u533a\u522b&#xff0c;\u4ee5\u53ca\u4ec0\u4e48\u65f6\u5019\u8be5\u6362\u3001\u600e\u4e48\u6362\u3002<br \/>\n\u5173\u952e\u8bcd&#xff1a;TCP\u62e5\u585e\u63a7\u5236\u3001BBR\u3001CUBIC\u3001\u5e26\u5bbd\u4f18\u5316\u3001Linux\u7f51\u7edc\u8c03\u4f18<br \/>\n\u5206\u7c7b&#xff1a;\u7f51\u7edc \/ Linu<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[205,43,427],"topic":[],"class_list":["post-108556","post","type-post","status-publish","format-standard","hentry","category-server","tag-tcp-ip","tag-43","tag-427"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5e26\u5bbd100M\u4f46\u4f20\u8f93\u53ea\u670930M\uff1f\u4f60\u7684\u670d\u52a1\u5668\u53ef\u80fd\u8be5\u6362TCP\u7b97\u6cd5\u4e86 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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content=\"\u5e26\u5bbd100M\u4f46\u4f20\u8f93\u53ea\u670930M&#xff1f;\u4f60\u7684\u670d\u52a1\u5668\u53ef\u80fd\u8be5\u6362TCP\u7b97\u6cd5\u4e86\u6458\u8981&#xff1a;\u670d\u52a1\u5668\u5e26\u5bbd100M&#xff0c;iperf\u6d4b\u51fa\u6765\u53ea\u670930M\u3002\u7ebf\u8def\u6ca1\u95ee\u9898\u3001\u7f51\u5361\u6ca1\u95ee\u9898\u3001MTU\u4e5f\u6b63\u5e38\u3002\u6700\u540e\u53d1\u73b0\u662fTCP\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u5728\u62d6\u540e\u817f\u3002\u672c\u6587\u4ece\u4e00\u6b21\u5b9e\u9645\u6392\u67e5\u51fa\u53d1&#xff0c;\u8bb2\u6e05\u695aReno\u3001CUBIC\u3001BBR\u7684\u533a\u522b&#xff0c;\u4ee5\u53ca\u4ec0\u4e48\u65f6\u5019\u8be5\u6362\u3001\u600e\u4e48\u6362\u3002 \u5173\u952e\u8bcd&#xff1a;TCP\u62e5\u585e\u63a7\u5236\u3001BBR\u3001CUBIC\u3001\u5e26\u5bbd\u4f18\u5316\u3001Linux\u7f51\u7edc\u8c03\u4f18 \u5206\u7c7b&#xff1a;\u7f51\u7edc \/ Linu\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/108556.html\" \/>\n<meta property=\"og:site_name\" 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