The multimedia stream is transported with UDP/RTP/RTCP protocol. The data and controlling information is transported with TCP protocol.

采用UDP/RTP/RTCP协议传输多媒体流信息和TCP协议传输数据信息及其控制信息；

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Secondly, this paper studies some related technologies of streaming media, researches deeply on the RTP/RTCP protocol used in streaming media transmission, mastering its structure and rules.

深入研究了用于流媒体传输的实时传输与控制协议RTP/RTCP，掌握其结构与规则。

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This paper introduces RTP/RTCP protocol using in Streaming Media transport, then presents the framework and design of the teaching living broadcast system based on RTP.

文章介绍了用于流媒体传输的RTP/RTCP协议格式，给出了一个基于RTP协议的教学直播系统的框架和设计。

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