Expatiated on some basic concepts and principles of stream media technology. Mainly introduced the formats and functions of realtime transport protocols(RTP)and realtime stream protocols(RTSP)data group.

• 阐述流媒体技术的基本概念和原理 ,主要介绍RTP(实时传输协议 )和RTSP(实时流协议 )数据分组的格式和功能