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Proceedings Paper

Continuous media filters for heterogeneous internetworking
Author(s): Nicholas Yeadon; Francisco J. Garcia; David Hutchinson; William D. Shepherd
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Paper Abstract

There is now a huge variety of multimedia applications, network technologies and end-system architectures. Within this new and challenging environment, the importance of Quality of Service (QoS) mechanisms to allocate and monitor system resources has been recognized. A key goal of our research is how to manage the QoS requirements of heterogeneous receivers in applications that depend on multipeer communications. This paper presents results of our recent work on QoS filter mechanisms that operate on compressed video and audio streams. These filter mechanisms adapt the QoS of continuous media streams allowing diverse qualities of media to be delivered to a number of receivers in the same multipeer dissemination tree. The paper focuses particularly on filter operations applied to bandwidth-demanding video services in order to allow low capability clients, primarily connected via mobile and other low-bandwidth links, to participate in these dissemination services. This is performed without detriment to existing high capability clients. The results presented show the feasibility of providing individual QoS to individual clients.

Paper Details

Date Published: 25 March 1996
PDF: 12 pages
Proc. SPIE 2667, Multimedia Computing and Networking 1996, (25 March 1996); doi: 10.1117/12.235877
Show Author Affiliations
Nicholas Yeadon, Univ. of Lancaster (United Kingdom)
Francisco J. Garcia, Hewlett-Packard Labs. (United Kingdom)
David Hutchinson, Univ. of Lancaster (United Kingdom)
William D. Shepherd, Univ. of Lancaster (United Kingdom)


Published in SPIE Proceedings Vol. 2667:
Multimedia Computing and Networking 1996
Martin Freeman; Paul Jardetzky; Harrick M. Vin, Editor(s)

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