在TCP/IP网络应用中，通信的两个进程间相互作用的主要模式是客户/服务器模式,即客户向服务器发出服务请求，服务器接收到请求后，提供相应的服务。...

一个局域网信使工具，在局域网内通信，及时快速。包含源代码，可随意改动。-a LAN messenger tool in LAN communications, timely fast. Includes source code can be altered arbitrarily.

smtp源代码集合，一共7个，包括发送和接收-smtp source code collections, a total of seven, including the sending and receiving

一个用C语言开发的BBS系统，包含在线留言等功能。-a C-language development of the BBS system, including voice mail and other online functions.

组播测试,等等。-multicast testing, and so on.

一个网络流量统计的例子，使用了iphlpaip库-An example of network traffic statistics, the use of the library iphlpaip

点对点网络通信 开发环境 VC++ 6.0-Peer-to-peer network communications development environment VC++ 6.0

在Internet上的聊天室程序一般都是以服务器提供服务端连接响应，使用者通过客户端程序登录到服务器，就可以与登录在同一服务器上的用户交谈，这是一个面向连接的通信过程。因此，程序要在TCP/IP环境下，实现服务器端和客户端两部分程序。-In Internet chat rooms on the procedure is generally based on the server side connection in response to the provision of services, the user through the client program to log on to the server, you can log in the same server with the user to chat, this is a connection-oriented communication process. Therefore, procedures to TCP/IP environment, the realization of server-side and client procedures in two parts.

各种socket的调用方法！！主要是网络socket调用，包括接收和发送！有包涵UDP和TCP的网络协议！

VB中基于TCPIP协议的点对点文件传输源代码，了解网络传输协议-VB-point based on TCPIP protocol file transfer the source code to understand the network transport protocol

老外写的一个网页邮件服务器，已经汉化，里面有简单的说明。-foreigner writing a Web e-mail servers, have finished, which has a simple explanation.