【tcp】TCP PAWS 机制

The PAWS Mechanism

https://www.freesoft.org/CIE/RFC/1323/13.htm

Linux内核协议栈丢弃SYN报文的主要场景剖析

https://developer.aliyun.com/article/752431

TCP timestamp

https://perthcharles.github.io/2015/08/27/timestamp-intro/

若同时开启timestamp和recycle参数，会由于引发per-host的PAWS机制，导致连接成功率降低

http://blog.ljlms.cn/blogs/linux/003.html

https://blog.51cto.com/u_12814931/2126617

tcp_tw_recycle引起的TCP握手失败

https://wakzz.cn/2020/07/05/linux/tcp_tw_recycle%E5%BC%95%E8%B5%B7%E7%9A%84TCP%E6%8F%A1%E6%89%8B%E5%A4%B1%E8%B4%A5/

TCP协议中的重传机制

https://blog.andycen.com/2020/08/02/TCP%E5%8D%8F%E8%AE%AE%E4%B8%AD%E7%9A%84%E9%87%8D%E4%BC%A0%E6%9C%BA%E5%88%B6/