网络会议开发文档，网络视频通讯算法文档；分为六个部分：网络会议的发展，用户需求分析，软件设计概要，存在瓶颈，详细分析，总结-Web conferencing development documents, network video communication algorithm document　divided into six parts: the development of the network meeting user needs analysis, software design summary, there is a bottleneck, detailed analysis summarizes