gongchengshi

ns2中对路由的演示 操作-ns2 routing presentation

说明：  教学实验源代码，提供对滑动窗口协议的实验演示，协议分层和协议软件的设计与实现有基本的认识利用所学数据链路层原理，自己设计一个滑动窗口协议并在仿真环境下编程实现有噪音信道环境下的 可靠的双工通信。信道模型为 8000bps 全双工卫星信道，信道传播时延 270 毫秒，信道误码率为 10-5，信道提供字节流传输服务，网络层分组长度在240~256字节范围(Teaching experiment source code, on the Sliding Window Protocol provides experimental demonstration of the agreement stratification and protocol software design and implementation of a basic understanding of the use of the data link layer principle, its own design of a sliding window protocol and simulation programming environment the realization of the noise channel environment duplex reliable communication. Channel model for 8000bps full-duplex satellite channel, channel propagation delay of 270 ms, channel bit error rate of 10-5, byte-stream channel to provide transmission services, network layer packet length in the range of 240 ~ 256 bytes)

一个UDP穿透NAT的例子，遵守RFC3489(a UDP penetrate NAT example, compliance with RFC3489)

动态域名解析服务器-Dynamic Domain Name Server

WIN NT/2000 聊天服务程序样例-WIN NT/2000 chat Example

使用java实现的RFC1945 http1.0协议。所有面向对象设计严谨按照RFC 1945协议中的描述。源代码逾4000行。提供给Java网络编程初学者学习-Java achieved using RFC1945 http1.0 agreement. All well-structured object-oriented protocol in RFC 1945 in accordance with the description. The source code of more than 4000 lines. Java network programming to beginners learning

说明：  MFC界面，服务器端可通过TCP socket的链接使client和sever端建立链接，然后可以对客户端的相关文件实现监听功能。并显示在服务器相应位置。(client sever )

图片转字符画，可以保存为txt等格式（Python语言）(convert picture to character painting by python)

以太网MAC　dm9000的若干资料，使用DM9000时的有用参考啊-Ethernet MAC dm9000 certain information, the use of a useful reference when DM9000 ah

Unix和NT上NetWork Time网络协议（4.0版本）-NetWork Time network protocols in Unix/NT (4.0 version)