designated sender mail to designated users. Also some other simple code

TCP聊天客户端，希望对大家有所帮助啦，-TCP chat client, I hope all of you to help you,

一个服务器端，两个客户端：student和teacher两者权限不一，更能不一；能进行简单的选课、发送通知等功能-a server, two clients : student and teacher competence of the two different and more mixed; Can a simple classes, sent notification function

一个简单的TCP服务器端程序，帮助初学者了解网络编程的基本过程-a simple TCP server procedures to help beginners understand the basic network programming process

滑动窗口协议，描述通信双方如何利用滑动窗口协议来进行通信。-Sliding Window Protocol, describing both how to use the sliding window communication protocol to communicate.

VB6以太网测试源码，点对点通信里面包括了客户端和服务器端程序-VB6 Ethernet test source code, point to point communications which includes client and server-side programs

《桃源网络硬盘.Net》V4.1企业SQL版-" Taoyuan network hard drive. Net" V4.1 Enterprise SQL Edition

模拟DCS数据发包数据环境，UDP，在电厂做工程时因为不能随便接触控制网络，所以写了这样一个模拟DCS向外发布数据的程序，方便在开发环境进行调试。-UDP ，imitate DCS（Distribute Control System）output data circument。

Java Corba编程, 是将java 和 corba 结合在一起来实现远程方法调用. corba 比 rmi 应用的更广泛.-Java programming, java and corba will combine to achieve remote method invocation. Corba than rmi applications more extensive.

网络抓包库wpcap3.0开发包和源代码，推荐下载-Ethereal Library wpcap3.0 network development kit and source code to download

ftp客户端源代码，支持简单的ftp功能，界面较美观。-ftp client source code, support for simple ftp functions, interface more attractive.