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pk13610/关于解决TCP拥堵的策略.md

Created October 21, 2013 12:02
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关于解决TCP拥堵的策略.md

缘起知乎上为什么多 TCP 连接分块下载比单连接下载快？

大部分路由器为tcp分配带宽的策略： 每接受一个ack就将tcp的发送窗口增倍，收到一个丢包则减半（通常情况下）

丢包：

  • ack丢失，即sender timeout
  • sender收到三次重复的ack
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