Networked video: MPEG transport ATM or IP?

摘要

Abstract: Soon the days of separate transmission facilities for video will be over, and video will be just another traffic type in a multipurpose network. These networks today employ a variety of transport mechanisms, for historical as well as technical reasons, and, at least experimentally, enterprises, network operates, and service providers are sending video over these networks with their associated transport mechanisms. But video is not just a random bit stream, so it is natural to ask how well the transport mechanisms perform when transporting video. In this paper we examine what video needs for capture to playback and how these can be provided by the end system or the network using the MPEG transport stream, asynchronous transfer mode, and the Internet Protocol. We concentrate on the Internet Protocol because of the opportunity for networked video applications that its pervasion provides. !13