Queue Monitoring: A Delay Jitter Management Policy


D.L. Stone and K. Jeffay
in Network and Operating System Support for Digital Audio and Video,
Proceedings, Fourth Intl. Workshop
Lancaster, UK, November 1993
D. Shepherd, G. Blair, G. Coulson, N. Davies, F. Garcia (Eds.)
Lecture Notes in Computer Science, Vol. 846, pp. 149-160
Springer-Verlag, Heidelberg, 1994.

Abstract: This paper describes queue monitoring, a policy for managing the effect of delay jitter on audio and video in computer-based conferences. By observing delay jitter over time, this policy dynamically adjusts display latency in order to support low-latency conferences with an acceptable gap rate. Queue monitoring is evaluated by comparing it with two other policies in an empirical study of a computer-based conferencing system. Our results show that queue monitoring performs well under a variety of observed network loads.


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