B-PIC: a novel caching scheme for multimedia streaming servers

Authors:
Ohhoon Kwon;Taeseok Kim;Hyokyung Bahn;Kern Koh
Affiliations:
School of Computer Science and Engineering, Seoul National University;School of Computer Science and Engineering, Seoul National University;Department of Computer Science and Engineering, Ewha University;School of Computer Science and Engineering, Seoul National University
Venue:
HiPC'06 Proceedings of the 13th international conference on High Performance Computing
Year:
2006

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Abstract

With the recent proliferation of video-on-demand services, caching in a multimedia streaming server is becoming increasingly important. Previous studies have shown that request interval based caching and its extension for considering different video popularity performs well for various streaming environments. In this paper, we show that block level refinement of this existing scheme can further improve the performance of streaming servers. Trace driven simulations with real world VOD traces have shown that the proposed scheme improves the cache hit rate and the startup latency.