jfsky.com-20091210jywxxfsqydm

关于网络编程客户端之间相互监听的网络编程程序代码(Programming on the network between the client network programming code monitor)

可以参考直接使用S7协议连接西门子plc(You can refer to the direct use of the S7 protocol to connect SIEMENS PLC)

1.局域网内设备IP搜索 2.发送广播包出去，同时启动侦听接收 3.支持局域网内跨网断搜索(1.IP search in local network 2.send broadcast packet, and receive request 3.support different gateway.)

一个基于 Labview 的 UDP 通信实例。用户可通过该实例对 TCP-UDP 协议的工作方式有基本的了解。(Labview an instance of communication based on UDP. Users can work through the example of TCP-UDP protocol is a basic understanding.)

vb局域网对讲机，实现两台机器之间的通信(vb LAN radio to achieve communication between two machines)

程序可以获取本机IP地址，需要先加载Socket库(Program can access the machine IP address, need to load the Socket Library)

Windows的网络流量速度检测。使用MFC作为开发平台。(A net speed spyer using MFC platform .)

说明：  如何开发OPC Server.OPC主要适用于过程控制和制造自动化等应用领域。(this paper teach us how to make OPC Server.The main useful to use OPC is contoel.)

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NAT(Network Address Translators)，网络地址转换：网络地址转换是在IP地址日益缺乏的情况下产生的，它的主要目的就是为了能够地址重用。NAT分为两大类，基本的NAT和NAPT(Network Address/Port Translator)。(The principle and implementation of UDP NAT through P2P )