TCP、UDP、Unix Domain Socket

TCP 面向字节流

UDP 面向数据包

https://zhidao.baidu.com/question/431822225.html?qbl=relate_question_0&word=tcp%20%C3%E6%CF%F2%C1%F7

Unix Domain Socket 面向连接

http://www.cnblogs.com/nufangrensheng/p/3569416.html http://blog.chinaunix.net/uid-20321537-id-1966864.html http://www.cnblogs.com/pengdonglin137/p/3849012.html