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Segment-based Buffer Management for Multi-level Streaming Service in the Proxy System
Journal of The Korea Society of Computer and Information
Abbr :
JKSCI
2010, 15(11), pp.135-142
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science
2010, 15(11), pp.135-142
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science
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QoS in the proxy system are under heavy influence from interferences such as congestion, latency, and retransmission. Also, multi-level streaming services affects from temporal synchronization, which lead to degrade the service quality. This paper proposes a new segment-based buffer management mechanism which reduces performance degradation of streaming services and enhances throughput of streaming due to drawbacks of the proxy system. The proposed paper optimizes streaming services by: 1) Use of segment-based buffer management mechanism, 2) Minimization of overhead due to congestion and interference, and 3) Minimization of retransmission due to disconnection and delay. This paper utilizes fuzzy value and cost weight to process the result. The simulation result shows that the proposed mechanism has better performance in buffer cache control rate, average packet loss rate, and delay saving rate with stream relevance metric than the other existing methods of fixed segmentation method, pyramid segmentation method, and skyscraper segmentation method.
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