这是一个很好的学习TCP的案例，其中包括了使用套接字进行底层通讯的完整流程，供大家参考-This is a very good case study of the TCP, These include the use of socket in the bottom of the integrity of communication flow, for your reference

ACE是关于通讯的底层架构，它是一个socket通讯框架。-ACE is about the communication of the underlying architecture, which is a socket communication framework.