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Practical Issues Related to Disk Scheduling for Video-On-Demand Services Ilhoon SHIN Kern KOH Youjip WON Publication IEICE TRANSACTIONS on Communications Vol.E88-B No.5 pp.2156-2164 Publication Date: 2005/05/01 Online ISSN: DOI: 10.1093/ietcom/e88-b.5.2156 Print ISSN: 0916-8516 Type of Manuscript: PAPER Category: Multimedia Systems for Communications" Multimedia Systems for Communications Keyword: VOD, cycle-based disk scheduling, cycle length, prefix caching, Full Text: PDF(599.8KB)>>
Summary: This paper discusses several practical issues related to the provision of video-on-demand (VOD) services, focusing on retrieval of video data from disk on the server. First, with regard to system design, the pros and cons of cycle-based scheduling algorithms for VOD servers are compared, and an adequate policy according to system configuration is presented. Second, we present a way to tune the cycle-based scheduling algorithm so that it maximizes profit. Third, a method to overcome the cons of cycle-based scheduling algorithms is proposed, and its cost is analyzed. | |||||
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