UTD4.0 网络TCP通信学习源代码，帮助新人学习网络编程。-UTD4.0 network TCP traffic study the source code to help newcomers learn network programming.

基于C++语言编写的UDT协议，该协议具有很好的平台移植能力，它是基于UCP的可靠传输协议，适用于大数据的传输协议-Based C++ language UDT protocol, which has a good platform portability, it is based on the UCP reliable transport protocol, suitable for large data transfer protocol