Socket长连接、短连接使用方法——附C#源码
https://blog.csdn.net/yangwohenmai1/article/details/92589072
socket的TIME_WAIT状态的原因及解决办法和避免的办法:https://blog.csdn.net/windyf2013/article/details/78756791
Socket的长连接和短连接:https://www.cnblogs.com/lcplcpjava/p/6581179.html
HTTP长连接、短连接究竟是什么?:https://www.cnblogs.com/gotodsp/p/6366163.html
socket shutdown和close的区别:https://www.cnblogs.com/kex1n/p/7146054.html
一篇搞懂TCP、HTTP、Socket、Socket连接池:https://blog.csdn.net/liuchaoxuan/article/details/81624311
socket连接池:https://blog.csdn.net/nokianasty/article/details/8554577