With the rapid development of the Internet, group communication applications such as videoconferencing, network audio/video broadcasting, stock information distribution, remote education, CSCW, and distributed interactive simulation, etc, are emerging.

• 随着Internet的迅速发展，群组通信特别是计算机视频会议、网络音/视频广播、股市行情发布、远程教育、计算机支持的协同工作(CACW)、分布式交互仿真等大量兴起。 这些新型应用大大推进了社会信息化进程。