使用python编写的ping程序，ping大家都比较清楚了吧

Java实现的简单网络电话，可以实现局域网内的通话，但通话时延较明显-Java simple telephone network can be achieved within the local area network calls, but more significantly delay calls

A simple Windows 95/98/ME/NT4/2000/XP CTRL client for administration of XMail servers.-A simple Windows 95/98/ME/NT4/2000/XP CT RL client for administration of XMail servers.

SQL CmdShell（C#）源代码，代码内部详细信息

这是一个关于网络通信方面的程序，有基本的网络编程事例，本地计算机网络编程事例，局域网网络通信编程，IE编程，等等！-This is a network of communications procedures, a basic network programming examples, the local computer network programming examples, LAN communications network programming, IE programming, and so on!

晨曦讨论群组服务器,包括服务端和客户端- Dawn discussion group group server, including service end and customer end

端口到网络进程pid的转换例子，有界面。可以杀死进程，过滤进程。-port to the network conversion process pid example, the interface. Can kill the process, filtration process.

课互传多种格式的文件，如电影、图片、文档。还可以发送组播消息，是可靠的网络传输工具。 -Classes to each other in multiple formats of documents, such as movies, pictures, documents. Can also send multicast message, is a reliable tool for network transmission.

用Visual C++开发的个人防火墙，对相关开发人员具有知道意义。-Visual C development of a personal firewall, to the relevant developers have to know significance.

实现TCP穿越NAT(即TCP打洞)。目的是为了实现局域网节点和另一个局域网节点的通信-TCP to achieve through the NAT (ie TCP holes). In order to achieve the purpose of communications between node of local area network and another local network node.

网络应用.有好东西大家一起来分享,主要用于网络通信.