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Performance Analysis of Resource Selection Schemes for a Large Scale Video-on-Demand System
The designers of a large scale video-on-demand system face an optimization problem of deciding how to assign movies to multiple disks (servers) such that the request blocking probability is minimized subject to capacity constraints. To solve this problem, it is essential to develop scalable and accu...
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Published in: | IEEE transactions on multimedia 2008-01, Vol.10 (1), p.153-159 |
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creator | Jun Guo Wong, E.W.M. Chan, S. Taylor, P. Zukerman, M. Kit-Sang Tang |
description | The designers of a large scale video-on-demand system face an optimization problem of deciding how to assign movies to multiple disks (servers) such that the request blocking probability is minimized subject to capacity constraints. To solve this problem, it is essential to develop scalable and accurate analytical means to evaluate the blocking performance of the system for a given file assignment. The performance analysis is made more complicated by the fact that the request blocking probability depends also on how disks are selected to serve user requests for multicopy movies. In this paper, we analyze several efficient resource selection schemes. Numerical results demonstrate that our analysis is scalable and sufficiently accurate to support the task of file assignment optimization in such a system. |
doi_str_mv | 10.1109/TMM.2007.911281 |
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subjects | Applied sciences Blocking probability Capacity planning Computer science control theory systems Computer systems and distributed systems. User interface Constraint optimization Design optimization Disks Exact sciences and technology fixed-point approximation Large-scale systems Mathematical analysis Mathematics Motion pictures Multimedia Optimization Performance analysis Performance evaluation resource selection Servers Software Statistics Tasks Testing Video on demand |
title | Performance Analysis of Resource Selection Schemes for a Large Scale Video-on-Demand System |
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