Using software feedback mechanism for distributed MPEG video player systems

Authors:
K. Lam;C. C. H. Ngan;J. K. Y. Ng
Affiliations:
Department of Computer Science, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong;Department of Computer Science, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong;Computing Studies Department, Hong Kong Baptist University, 224 Waterloo Road, Kowloon, Hong Kong
Venue:
Computer Communications
Year:
1998

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Abstract

When a distributed MPEG player system is transmitting MPEG videos over an open network, like the Internet, the system usually has no control on the network traffic. In this paper, a priority feedback mechanism for a video server is proposed. With our pre-defined priority mapping functions and the feedback signal from each client, the video server will make adjustment in terms of priority to the server processes in order to support each client which possess a quality of service (QoS) requirement of its own. From our experiments, we find that when a video server is serving multiple clients, the use of a priority feedback mechanism can improve the overall video system performance.