Maximum factor selection policy for batching VOD requests

Details Maximum factor selection policy for batching VOD requests Maximum factor selection policy for batching VOD requests

1996-02-01

1997-05-20

Peng, John K.

Television

Special applications

Manufacturing

348 12, 455 42, 455 51, H04N 7173

Patent

active

056316941

ABSTRACT:
A VOD scheduler maintains a queue of pending performance for each video. Using the notion of queue selection factor, a batching policy is devised that schedules the video with the highest selection factor. Selection factors are obtained by applying discriminatory weighting factors to the adjusted queue lengths associated with each video where the weight decreases as the popularity of the respective video increases and the queue length is adjusted to take defection into account.

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P. Yu et al., "Design and Analysis of a Look-Ahead Scheduling Scheme to Support Pause-Resume for Video-on-Demand Applications", Multimedia Systems, Springer-Verlag, 3: 137-149 (1995).
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J. Wolf et al., "DASD Dancing: A Disk Load Balancing Optimization Scheme for Video-on-Demand Computer Systems", ACM Sigmetrics, Ottawa, Canada pp. 1-26, (1994).
H. Schachnai et al., "IBM Research Report - The Role of Wait Tolerance in Effective Batching: A Paradigm for Multimedia Scheduling Schemes", IBM Research Division - Computer Science, pp. 1-21, (Apr. 17, 1995).

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