基于P2P组播技术的局域网即时通信系统的实现

Implementation of Instance Message System in LAN based on P2P multicast technology

随着互联网技术以及计算机技术的广泛应用,即时通信IM(Instant Messaging)作为一种方便、高效、廉价的交流方式被广泛运用于局域网(LAN)乃至广域网(WAN)。为人们的日常交流和资源共享以及传送信息和文件提供了方便。本系统建立在JAVA平台之上,使用JAVA组播、多线程和跨平台技术实现局域网内聊天和传送文件服务。

Along with Internet and computer technology of extensive application,Instant Messaging as one kind of convenient,highly effective and the inexpensive exchange way was widely utilized on the LAN and WAN area network.It was provided unprecedented convenient for people＇s daily communication and the resource sharing as well as the pass-along message and sending file.This System was the established in the JAVA platform,used the JAVA multicast￡？the multi-thread as well as cross-platform technology,implemented in the LAN to chat and transmission file service.