Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18440
Title: A hybrid delivery strategy for a video-on-demand system with customer reneging behavior
Authors: Poon, WF
Lo, KT 
Feng, J
Keywords: Interactive TV
Video-on-demand (VoD)
Issue Date: 2002
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on broadcasting, 2002, v. 48, no. 2, p. 140-150 How to cite?
Journal: IEEE transactions on broadcasting 
Abstract: In this paper, a new delivery strategy is proposed for a video-on-demand system to allocate transmission resources according to the popularity of videos. In the proposed framework, a video will be delivered to customers through one of the three channels, namely broadcast, multicast, and unicast, depending on whether the video is very hot, hot or cold, respectively. An algorithm is developed to select the appropriate delivery channel for the videos so that not only the overall bandwidth of the system is minimized but also a preset quality of service is provided for each customer. An analytical model is also developed to evaluate the bandwidth requirement of the whole system with VCR functionality. The result shows that a significant bandwidth reduction can be achieved when using our proposed delivery strategy.
URI: http://hdl.handle.net/10397/18440
ISSN: 0018-9316
EISSN: 1557-9611
DOI: 10.1109/TBC.2002.1021280
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