TCP congestion window CWND, according to the existing congestion control algorithm of cubic, CWND should always changing, from a slow start to the congestion avoidance, to appear lost package, because this thing is constantly probing of full bandwidth/
Why I use FTP transfer under centos7 a 2 g files, do the test, found the CWND value has always been to maintain the initial 10?

CodePudding user response:

No one, all the great god, go there

CodePudding user response:

I see a lot of people are CWND=10,
It may reflect the reality of not congestion window,

You are using iproute2 or netstat NAT?
Want to explore, you can see the source code,

Iproute2/misc/ss. C - & gt; Tcp_show_info () is the entry function,

CodePudding user response:

Ss -i this command to view

CodePudding user response:

System is centos7