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Title: A replication strategy for reducing wait time in video-on-demand systems
Authors: Chua, T.S. 
Goh, C.H. 
Ooi, B.C. 
Tan, K.-L. 
Keywords: Continuous display
Disk striping
Phase-based striping method
Issue Date: 2001
Citation: Chua, T.S., Goh, C.H., Ooi, B.C., Tan, K.-L. (2001). A replication strategy for reducing wait time in video-on-demand systems. Multimedia Tools and Applications 15 (1) : 39-58. ScholarBank@NUS Repository.
Abstract: User wait time-the amount of time a user spends in waiting for a video to commence-is an important service parameter in many video-on-demand (VOD) systems. In a companion paper (T.S. Chua, J. Li, B.C. Ooi, and K.L. Tan, in Proceedings of the ACM Multimedia '96, Boston, 1996, pp. 297-306), we have proposed a Phase-based Striping Method in which a video can be placed on multiple disks to take advantage of their combined bandwidth. In this paper, we extend the Phase-based Striping Method with a replication strategy aimed at reducing the average user wait time. To provide evidence for the effectiveness of the proposed strategy, we conducted extensive simulations of a video server under different loading and hardware configurations. Our results demonstrate that replication can lead to substantial reduction in average wait time.
Source Title: Multimedia Tools and Applications
ISSN: 13807501
DOI: 10.1023/A:1011363719345
Appears in Collections:Staff Publications

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