基于UDP的文件传输，包括服务端与客户端！

P2P无中心设计，在没有任何固定服务器的情况下，人们仍然可以畅通无阻的进行点对点的交流，传输文件，语音，视频等-P2P no center design, in the absence of any fixed server circumstances, people can still smooth conduct peer-to-peer exchanges, transfer files, voice, video, etc.

一个用VB写的简单P2P聊天程序-a simple p2p chat tool by VB

java写的P2P下载程序-java written P2P download

示例如何将内部网UDP端口映射到公共网上.zip （支持请求延迟功能）-examples of how internal network UDP port mapping to the public online. Zip (support request delayed function)

JXTA权威著作-mastering jxta.rar-the authority literature of JXTA

这个是udp的p2pnat源代码，希望和大家分享，-P2pnat This is the udp source code, would like to share,

著名的电驴下载软件的源码，可以作网络P2P编程参考。-Well-known eDonkey download source software, P2P networks can be used for programming reference.

应用背景常用的文件上传大都是采用http做请求   将文件的流传给servlet  未能实现传输失败  或者传输暂停之后的断点上传 。上传文件到服务器时  如果上传出错   可以继续上传   关键技术 flex 与java做断点续传  将文件按照指定大小做上传。从原先的httprequest  upload方式  改成用socket实现 

P2PChat is a p2p based chat application, that runs on local area networks and is easy to use, it doesn t require any server at all. -P2PChat is a p2p based chat application, that runs on local area networks and is easy to us e, it does not require any server at all.

P2P@i提供了一个网络的虚拟化软件，用来通过p2p方式构建虚拟IP网络。 This project provides a network virtualization software to construct virtual IP Networks by using P2P network. Our goal is to construct distributed and decentralized virtual IP Networks.-P2P @ i provides a network virtualization software through p2p way to build a virtual IP network. This project provides a network virtualization software to construct virtual IP Networks by using P2P network. Our goal is to construct distributed and decentralized virtual IP Networks.