Decentralized Resource Management for a Distributed Continuous Media Server
IEEE Transactions on Parallel and Distributed Systems
Design of Scalable Continuous Media Servers
Multimedia Tools and Applications
Decentralized Resource Management for a Distributed Continuous Media Server
IEEE Transactions on Parallel and Distributed Systems
User demand behavior based adaptive algorithm for service composition of streaming media
IITA'09 Proceedings of the 3rd international conference on Intelligent information technology application
Minimal cost reconfiguration of data placement in storage area network
WAOA'09 Proceedings of the 7th international conference on Approximation and Online Algorithms
Minimal cost reconfiguration of data placement in a storage area network
Theoretical Computer Science
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The stringent requirements of multimedia applications make design of cost-effective and scalable systems difficult; thus, efficient adaptive and dynamic resource management techniques can be of great help in improving performance and scalability characteristics of such systems. In this paper, we focus on threshold-based policies for dynamic resource management in the context of continuous media (CM) servers; we do this without any knowledge of data access patterns and with provisions for full use of VCR functionality.We propose a mathematical model of user behavior and show, through a performance study, that not only does the use of this model in conjunction with dynamic resource management policies improves the system's performance but that it also facilitates significantly reduced sensitivity to changes in: (a) system architecture, (b) workload characteristics, (c) skewness of data access patterns, (d) frequency of changes in data access patterns, and (e) choice of threshold values. We believe that not only is this a desirable property for a CM server, in general, but that furthermore, it suggests the usefulness of these techniques across a wide range of continuous media applications.