https://datatracker.ietf.org/doc/html/rfc9293

https://www.baeldung.com/cs/tcp-active-vs-passive

浅谈Linux内核UDP收包效率低的问题，如何优化？ (opens new window)

手写一个UDP协议栈 (opens new window)

TCP/IP协议栈的心跳、丢包重传、连接超时机制实例详解 (opens new window)

TCP流量控制和拥塞控制 (opens new window)