Constructing a video server with tertiary storage: practice and experience
Multimedia Systems
Modeling and Dimensioning Hierarchical Storage Systems for Low-Delay Video Services
IEEE Transactions on Computers
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Although the characteristics of a hard disk are more suitable for the interactive environment of a VOD service, using hard disks as permanent storage devices can suffer from the relatively high cost and frequent failure rate of a hard disk. Several VOD servers with tertiary storage devices have been proposed but the response time for a user's request in most approaches is too long to be used in the interactive environment of a VOD service. This paper proposes another structure of a VOD server that utilizes the jukeboxes of optical disks for a video database. Since the jukeboxes of optical disks are more reliable and inexpensive, it is useful for storing the huge volume of video streams. as a result, it can be a part of a cost-effective server configuration for large-scale VOD services. Several allocation methods for video streams in the jukeboxes are devised and compared in order to improve the performance of the proposed structure