{"id":53968,"date":"2025-02-18T11:00:06","date_gmt":"2025-02-18T03:00:06","guid":{"rendered":"https:\/\/fwq.ai\/blog\/53968\/"},"modified":"2025-02-18T11:00:06","modified_gmt":"2025-02-18T03:00:06","slug":"%e6%90%ac%e7%93%a6%e5%b7%a5-bbr-%e6%95%99%e7%a8%8b%ef%bc%9a%e6%8f%90%e9%ab%98%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%80%9f%e5%ba%a6%e7%9a%84%e5%ae%8c%e6%95%b4%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/53968\/","title":{"rendered":"\u642c\u74e6\u5de5 BBR \u6559\u7a0b\uff1a\u63d0\u9ad8\u670d\u52a1\u5668\u901f\u5ea6\u7684\u5b8c\u6574\u6307\u5357"},"content":{"rendered":"<h2>\u4ec0\u4e48\u662f BB R\uff1f<\/h2>\n<p><em>BBR<\/em>\uff08Bottleneck Bandwidth and Round-trip propagation time\uff09\u662f\u8c37\u6b4c\u5f00\u53d1\u7684\u4e00\u79cd\u7f51\u7edc\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u3002\u5176\u4e3b\u8981\u76ee\u7684\u662f\u63d0\u9ad8\u7f51\u7edc\u4f20\u8f93\u901f\u5ea6\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u5728\u9ad8\u5ef6\u8fdf\u7684\u7f51\u7edc\u73af\u5883\u4e0b\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u9009\u62e9\u5728\u642c\u74e6\u5de5\u4e0a\u4f7f\u7528 BBR\uff1f<\/h2>\n<p>\u5728\u642c\u74e6\u5de5\uff08Vultr\uff09\u4e0a\u914d\u7f6e BBR\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8 VPS\uff08\u865a\u62df\u79c1\u4eba\u670d\u52a1\u5668\uff09\u7684\u7f51\u7edc\u901f\u5ea6\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u7f51\u7ad9\u548c\u5e94\u7528\u7684\u54cd\u5e94\u65f6\u95f4\uff0c\u5177\u4f53\u597d\u5904\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u964d\u4f4e\u5ef6\u8fdf<\/strong><\/li>\n<li><strong>\u63d0\u9ad8\u5e26\u5bbd\u5229\u7528\u7387<\/strong><\/li>\n<li><strong>\u6539\u5584\u7528\u6237\u4f53\u9a8c<\/strong><\/li>\n<\/ul>\n<h2>\u642c\u74e6\u5de5 BBR \u7684\u524d\u63d0\u6761\u4ef6<\/h2>\n<p>\u5728\u4f7f\u7528 BBR \u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u60a8\u7684\u670d\u52a1\u5668\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6\uff1a<\/p>\n<ul>\n<li>\u64cd\u4f5c\u7cfb\u7edf\u4e3a <strong>Linux Kernel 4.9 \u6216\u66f4\u9ad8\u7248\u672c<\/strong><\/li>\n<li>\u5df2\u7ecf\u5b89\u88c5\u597d <strong>curl<\/strong> \u548c <strong>wget<\/strong> \u5de5\u5177<\/li>\n<li>\u5177\u5907\u4e00\u5b9a\u7684 Linux \u64cd\u4f5c\u57fa\u7840<\/li>\n<\/ul>\n<h2>\u5982\u4f55\u5728\u642c\u74e6\u5de5\u4e0a\u542f\u7528 BBR<\/h2>\n<h3>\u7b2c\u4e00\u6b65\uff1a\u8fde\u63a5\u5230 VPS<\/h3>\n<p>\u4f7f\u7528 SSH \u8fde\u63a5\u5230\u60a8\u7684\u642c\u74e6\u5de5 VPS\u3002\u6253\u5f00\u7ec8\u7aef\u5e76\u8f93\u5165\uff1a bash ssh root@your_vps_ip<\/p>\n<h3>\u7b2c\u4e8c\u6b65\uff1a\u68c0\u67e5 Linux \u5185\u6838\u7248\u672c<\/h3>\n<p>\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u68c0\u67e5\u60a8\u7684 Linux \u5185\u6838\u7248\u672c\uff1a bash uname -r<\/p>\n<p>\u5982\u679c\u5185\u6838\u7248\u672c\u4f4e\u4e8e 4.9\uff0c\u8bf7\u8003\u8651\u66f4\u65b0\u5185\u6838\u3002<\/p>\n<h3>\u7b2c\u4e09\u6b65\uff1a\u66f4\u65b0\u7cfb\u7edf<\/h3>\n<p>\u4e3a\u4e86\u786e\u4fdd\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u5b89\u5168\u6027\uff0c\u5efa\u8bae\u9996\u5148\u66f4\u65b0\u7cfb\u7edf\uff1a bash apt-get update &amp;&amp; apt-get upgrade -y<\/p>\n<h3>\u7b2c\u56db\u6b65\uff1a\u542f\u7528 BBR<\/h3>\n<p>\u7f16\u8f91 sysctl.conf \u6587\u4ef6\uff1a bash nano \/etc\/sysctl.conf<\/p>\n<p>\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a bash net.core.default_qdisc=fq net.ipv4.tcp_congestion_control=bbr<\/p>\n<p>\u4fdd\u5b58\u5e76\u9000\u51fa\u7f16\u8f91\u5668\u3002<\/p>\n<h3>\u7b2c\u4e94\u6b65\uff1a\u5e94\u7528\u66f4\u6539<\/h3>\n<p>\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u5e94\u7528\u66f4\u6539\uff1a bash sysctl -p<\/p>\n<h3>\u7b2c\u516d\u6b65\uff1a\u9a8c\u8bc1 BBR \u662f\u5426\u542f\u7528<\/h3>\n<p>\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u9a8c\u8bc1 BBR \u662f\u5426\u6210\u529f\u542f\u7528\uff1a bash echo $(sysctl net.ipv4.tcp_congestion_control)<\/p>\n<p>\u5982\u679c\u8f93\u51fa\u4e3a <code>bbr<\/code>\uff0c\u5219\u8bf4\u660e\u60a8\u5df2\u7ecf\u6210\u529f\u542f\u7528 BBR\u3002<\/p>\n<h2>BBR \u7684\u9ad8\u7ea7\u914d\u7f6e<\/h2>\n<p>\u5bf9\u4e8e\u6709\u66f4\u9ad8\u8981\u6c42\u7684\u7528\u6237\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u4f18\u5316 BBR \u914d\u7f6e\uff1a<\/p>\n<ul>\n<li><strong>\u4fee\u6539 TCP \u53c2\u6570<\/strong>\uff1a\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8c03\u6574 TCP \u53c2\u6570\uff0c\u5982\u6700\u5927\u7a97\u53e3\u5927\u5c0f\u7b49\u3002<\/li>\n<li><strong>\u76d1\u63a7\u6027\u80fd<\/strong>\uff1a\u5efa\u8bae\u5b9a\u671f\u76d1\u63a7\u670d\u52a1\u5668\u6027\u80fd\uff0c\u4ee5\u786e\u4fdd BBR \u914d\u7f6e\u6301\u7eed\u6709\u6548\u3002<\/li>\n<\/ul>\n<h2>\u5e38\u89c1\u95ee\u9898\u89e3\u7b54\uff08FAQ\uff09<\/h2>\n<h3>1. BBR \u662f\u5426\u4f1a\u5f71\u54cd\u670d\u52a1\u5668\u7684\u7a33\u5b9a\u6027\uff1f<\/h3>\n<p>\u4e00\u822c\u60c5\u51b5\u4e0b\uff0cBBR \u7684\u4f7f\u7528\u4e0d\u4f1a\u5f71\u54cd\u670d\u52a1\u5668\u7684\u7a33\u5b9a\u6027\u3002\u76f8\u53cd\uff0c\u5408\u7406\u7684\u4f7f\u7528\u53ef\u4ee5\u63d0\u9ad8\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u3002\u4f46\u5982\u679c\u914d\u7f6e\u4e0d\u5f53\uff0c\u53ef\u80fd\u4f1a\u5f15\u53d1\u4e0d\u5fc5\u8981\u7684\u95ee\u9898\u3002<\/p>\n<h3>2. \u5982\u4f55\u67e5\u770b BBR \u7684\u6027\u80fd\u8868\u73b0\uff1f<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528 <code>tc -s qdisc<\/code> \u547d\u4ee4\u67e5\u770b\u5f53\u524d\u7684\u961f\u5217\u89c4\u5219\u548c\u6027\u80fd\u8868\u73b0\uff0c\u8fdb\u884c\u76d1\u63a7\u548c\u8c03\u6574\u3002<\/p>\n<h3>3. \u5982\u679c\u6211\u60f3\u7981\u7528 BBR\uff0c\u8be5\u5982\u4f55\u64cd\u4f5c\uff1f<\/h3>\n<p>\u53ef\u4ee5\u901a\u8fc7\u5220\u9664 <code>\/etc\/sysctl.conf<\/code> \u4e2d\u7684\u76f8\u5173\u914d\u7f6e\u5e76\u6267\u884c <code>sysctl -p<\/code> \u6765\u7981\u7528 BBR\u3002<\/p>\n<h3>4. \u662f\u5426\u9002\u5408\u6240\u6709\u7c7b\u578b\u7684 VPS\uff1f<\/h3>\n<p>BBR \u7279\u522b\u9002\u5408\u9ad8\u5ef6\u8fdf\u548c\u5e26\u5bbd\u53d7\u9650\u7684\u73af\u5883\uff0c\u4f46\u5bf9\u4f4e\u5ef6\u8fdf\u3001\u9ad8\u5e26\u5bbd\u7684\u73af\u5883\u5f71\u54cd\u8f83\u5c0f\u3002<\/p>\n<h3>5. \u6709\u6ca1\u6709\u66ff\u4ee3\u7684\u7f51\u7edc\u4f18\u5316\u65b9\u6848\uff1f<\/h3>\n<p>\u9664\u4e86 BBR\uff0c\u5176\u4ed6\u5e38\u89c1\u7684\u7f51\u7edc\u4f18\u5316\u65b9\u6848\u8fd8\u5305\u62ec <em>Cubic<\/em>\u3001<em>Vegas<\/em> \u7b49\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u60c5\u51b5\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u4f7f\u7528\u642c\u74e6\u5de5 VPS \u65f6\uff0c\u542f\u7528 BBR \u662f\u4e00\u79cd\u6709\u6548\u7684\u7f51\u7edc\u4f18\u5316\u65b9\u6cd5\u3002\u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u5728\u60a8\u7684\u670d\u52a1\u5668\u4e0a\u914d\u7f6e BBR\uff0c\u52a0\u5feb\u7f51\u7ad9\u548c\u5e94\u7528\u7684\u8bbf\u95ee\u901f\u5ea6\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528 BBR \u6280\u672f\uff0c\u63d0\u5347\u670d\u52a1\u5668\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662f BB R\uff1f BBR\uff08Bottleneck Bandwidth and Round-trip propagation time\uff09\u662f\u8c37\u6b4c\u5f00\u53d1\u7684\u4e00\u79cd\u7f51\u7edc\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u3002\u5176\u4e3b\u8981\u76ee\u7684\u662f\u63d0\u9ad8\u7f51\u7edc\u4f20\u8f93\u901f\u5ea6\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u5728\u9ad8\u5ef6\u8fdf\u7684\u7f51\u7edc\u73af\u5883\u4e0b\u3002 \u4e3a\u4ec0\u4e48\u9009\u62e9\u5728\u642c\u74e6\u5de5\u4e0a\u4f7f\u7528 BBR\uff1f \u5728\u642c\u74e6\u5de5\uff08Vultr\uff09\u4e0a\u914d\u7f6e BBR\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8 VPS\uff08\u865a\u62df\u79c1\u4eba\u670d\u52a1\u5668\uff09\u7684\u7f51\u7edc\u901f\u5ea6\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u7f51\u7ad9\u548c\u5e94\u7528\u7684\u54cd\u5e94\u65f6\u95f4\uff0c\u5177\u4f53\u597d\u5904\u5305\u62ec\uff1a \u964d\u4f4e\u5ef6\u8fdf \u63d0\u9ad8\u5e26\u5bbd\u5229\u7528\u7387 \u6539\u5584\u7528\u6237\u4f53\u9a8c \u642c\u74e6\u5de5 BBR \u7684\u524d\u63d0\u6761\u4ef6 \u5728\u4f7f\u7528 BBR \u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u60a8\u7684\u670d\u52a1\u5668\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6\uff1a \u64cd\u4f5c\u7cfb\u7edf\u4e3a Linux Kernel 4.9 \u6216\u66f4\u9ad8\u7248\u672c \u5df2\u7ecf\u5b89\u88c5\u597d curl \u548c wget \u5de5\u5177 \u5177\u5907\u4e00\u5b9a\u7684 Linux \u64cd\u4f5c\u57fa\u7840 \u5982\u4f55\u5728\u642c\u74e6\u5de5\u4e0a\u542f\u7528 BBR \u7b2c\u4e00\u6b65\uff1a\u8fde\u63a5\u5230 VPS \u4f7f\u7528 SSH \u8fde\u63a5\u5230\u60a8\u7684\u642c\u74e6\u5de5 VPS\u3002\u6253\u5f00\u7ec8\u7aef\u5e76\u8f93\u5165\uff1a bash ssh root@your_vps_ip \u7b2c\u4e8c\u6b65\uff1a\u68c0\u67e5 Linux \u5185\u6838\u7248\u672c \u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u68c0\u67e5\u60a8\u7684 Linux \u5185\u6838\u7248\u672c\uff1a bash uname [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-53968","post","type-post","status-publish","format-standard","hentry","category-vpn"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53968","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=53968"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53968\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=53968"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=53968"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=53968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}