当Dup Acks到达时，TCP是否会增加其拥塞窗口? [英] Does TCP increase its congestion window when Dup Acks arrive?

问题描述

当3个重复的Ack到达时，TCP会将其拥塞窗口减半，但是当仅1个或2个重复的Ack到达时，TCP会做什么呢?它会像其他任何非重复的Ack一样增加拥塞窗口吗?

When 3 Duplicate Acks arrive TCP halves its congestion window, but when only 1 or 2 Duplicate Acks arrives what does TCP do ? Does it increase the congestion window like any other non duplicate Ack ?

推荐答案

对3个重复的ack的反应在TCP Reno中.当它收到1或2个重复的ACK时，它不应执行任何操作.拥塞窗口的增加是在收到原始ACK之后发生的，因为它们表示通信良好，并且TCP正在尝试达到最大可能的吞吐量.

That reaction to 3 duplicate acks is in TCP Reno. When it receives 1 or 2 duplicate ACK's it shouldn't do anything. The increase of the congestion window occurs after original ACK's are received because they indicate the communication is good and TCP is tries to get to the maximum possible throughput.

这篇关于当Dup Acks到达时，TCP是否会增加其拥塞窗口?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！