✦ LIBER ✦

Congestion Control for Interactive Video-on-Demand over ATM

✍ Scribed by Philip Branch; Mohammed Atiquzzaman

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 308 KB
Volume: 5
Category: Article
ISSN: 1077-2014
DOI: 10.1006/rtim.1998.0163

No coin nor oath required. For personal study only.

✦ Synopsis

A n interactive video-on-demand (IVoD) system consists of a video server and a client connected together through a high speed network. Use of interactive video-on-demand in an educational environment is very interactive because students frequently pause, fastforward, skip and view frame-by-frame. Designing a network able to support interactivity and make ecient use of bandwidth is challenging. In this paper we evaluate the suitability of a number of congestion control schemes (based on the service categories of ATM) for carrying interactive video on demand. We have developed analytical models to evaluate and compare the various schemes. Data on interactive behaviour of students obtained from IVoD trails carried out in our laboratory have been used in the models. We show that the renegotiated constant bit rate service category has considerable potential for carrying IVoD over a high speed network, such as the asynchronous transfer mode (ATM). We also show the use of an application layer, (such as Winsock 2), by the server to limit congestion within the network.

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