Dynamic path determination policy for distributed multimedia content adaptation
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Multimedia content adaptation allows the ever increasing variety of handheld devices such as Smartphones to access distributed rich media resources available on the Internet today. Path planning and determination is a fundamental problem in enhancing performance of distributed multimedia content adaptation systems. Most of the existing path determination mechanisms use static path determination criteria based solely on associating a path with a single behavior aggregate score. However, some criteria such as availability are best represented using different functionality rather than being accumulated into the aggregate score. Moreover, since selection criteria have different behavior towards the score, this principle need to be considered. In this paper, we propose a dynamic multi-criteria path determination policy that selects an optimal path to the content adaptation services that best meet the user preferences and QoS requirements. The performance of the proposed approach is studied in terms of score’s fairness and reliability under different variations. The results indicate that the proposed policy performs substantially better than the baseline policy.
KeywordsContent adaptation Service oriented architecture Multi-criteria decision making Distributed systems Performance analysis
This paper would not have been possible without the help of Maliha Omar. We also acknowledge Malaysian Federal Government, Malaysian Ministry of Higher Education, Universiti Tun Hussein Onn Malaysia and Deakin University for their help.
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