P2P即时通讯的发布/订阅系统的设计与实现

s the era of multimedia network coming, and the modle of the text publish/subscribe system is monotonous, it can't satisfy the demand of the enteprise and individual. So the implementation of the multimedia publish/subscribe system based on the topic will produce wide application prospect. This paper focuses on the design of multimedia publish/subscribe system and proposing the feasible plan to realize RTP/RTCP protocol in OpenDDS. And take the implementation of P2P instant messaging for example, the mulitimedia information publishing/subscribing is realized in the Windows platform by using the C/C++ programing language.