HTTP动态自适应流媒体技术研究

With the continuous development of information technology, streaming traffic in the network will account for a growing proportion.Recently streaming technology gets more and more attention. The Dynamic adaptive streaming over HTTP(DASH) technology is the emerging streaming technology.Compared to the traditional RTP / RTSP streaming technology, DASH has much more advantages,eg.simple deployment.So it is expected to be the next generation of mainstream streaming technology. This paper firstly introduces the latest 3GP-DASH released by 3GPP.Secondly it introduces MPEG-DASH standard released by MPEG. Then it summarizes academic research focus of DASH.Finally, this paper looks to the future development direction and research focus of DASH.