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Dynamic Scheme Transition for On-Demand Video Streaming Adaptable to Variable Client Request Rate  

Kim Hyun-Joo (서울대학교 컴퓨터공학과)
Yeom Heon-Young (서울대학교 컴퓨터공학과)
Publication Information
Journal of KIISE:Computing Practices and Letters / v.12, no.3, 2006 , pp. 149-159 More about this Journal
Abstract
To provide on-demand video streaming services through the network, video objects with both high and low client request rates should be served efficiently. In this paper, we propose a dynamic on-demand streaming approach for providing services efficiently regardless of the client request rate. This approach can maintain QoS by transitioning the service scheme according to the request rate. The server provides services by the Heuristic broadcasting approach when the client request rate is low and by Striping broadcast, one of many Periodic broadcast approaches, when the client request rate is high. The server knows the variations of client request rates by the number of service channels and decides the transition to more efficient service schemes on its own. We simulated this scheme transition with various client request intervals and traces from a company providing streaming services. The results show that the performance of our approach is reasonable.
Keywords
On-demand Video Streaming Service; Periodic Broadcast; Striping Broadcast; Client Request Rate;
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