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Resource Weighted Load Distribution Policy for Effective Transcoding Load Distribution  

Seo, Dong-Mahn (강원대학교 컴퓨터정보통신공학과)
Lee, Joa-Hyoung (강원대학교 컴퓨터정보통신공학과)
Choi, Myun-Uk (신한생명 사이버 마케팅팀)
Kim, Yoon (강원대학교 전기전자정보통신공학부)
Jung, In-Bum (강원대학교 전기전자정보통신공학부)
Publication Information
Journal of KIISE:Computing Practices and Letters / v.11, no.5, 2005 , pp. 401-415 More about this Journal
Abstract
Owing to the improved wireless communication technologies, it is possible to provide streaming service of multimedia with PDAs and mobile phones in addition to desktop PCs. Since mobile client devices have low computing power and low network bandwidth due to wireless network, the transcoding technology to adapt media for mobile client devices considering their characteristics is necessary. Transcoding servers transcode the source media to the target media within corresponding grades and provide QoS in real-time. In particular, an effective load balancing policy for transcoding servers is inevitable to support QoS for large scale mobile users. In this paper, the resource weighted load distribution policy is proposed for a fair load balance and a more scalable performance in cluster-based transcoding servers. Our proposed policy is based on the resource weighted table and number of maximum supported users, which are pre-computed for each pre-defined grade. We implement the proposed policy on cluster-based transcoding servers and evaluate its fair load distribution and scalable performance with the number of transcoding servers.
Keywords
transcoding; load distribution; QoS; cluster; MPEG profile grade; scalability;
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