一个基于sip的通信源代码，很详细的文档说明，值得参考和学习...

UDP聊天程序-UDP chat program

一个可以检测网络连接状况并能查询当日各大城市的天气状况的程式-can detect an Internet connection and check the date of the major cities in weather conditions formula

比较好的电子商务开发系统，可供大家学习-better e-commerce development system, we can learn

判断一个IP是否在某个网段（子网掩码和网络地址、两个IP之间)-To determine whether an IP in a network segment (subnet mask and network address, between the two IP)

通过arp协议来发现局域网内的所有的当前活动的主机，编译本程序需要安装winpcap驱动以及其开发包，release之后仅仅需要安装winpcap的驱动就可以了-Arp agreement through the LAN to discover all the current activities of the host, the compiler of this procedure will need to install WinPcap driver as well as its development kit, release after only need to install the WinPcap driver can be a

多用户通信的时分复用，每个节点在其固定的时间内发送数据包，采用OPNET仿真工具-Multi-user time division multiplexing communications, each node in the fixed period of time to send data packets, using OPNET simulation tool

opc server and wak server

好用的，C#实现TCP聊天（含客户端和服务器端）比较稳定，并且有处理粘包问题，请快下载吧，很适合学习或者项目中使用

VS2005下实现TCP和串口数据转发，支持多组数据。只需要填写好配置文件即可。-VS2005 under TCP and serial data forwarding, support for multiple sets of data. Only need to fill in a good configuration file.

关于ASP编程的相关资料，感兴趣的可以看一看哦-ASP programming on the relevant information, interested can look at oh