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Storage replication and layout in video-on-demand servers

  • Hewlett-Packard

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

We propose and analyze an architecture for storage servers in large Video on Demand (VoD) systems. We describe a method for distributing the collection of titles among the levels of the storage hierarchy, based on estimates of the mean demand for each title. The resulting distribution minimizes cost for a given level of performance. Since high availability is desirable in VoD systems, we consider the use of mirroring or parity-based redundancy (à la RAID) and estimate the effect on the system’s cost and availability. In the very-large-scale storage systems needed for VoD, the placement of disk arrays on the pool of computers must be chosen carefully to provide high availability for the least cost. We propose a strategy for arranging disk arrays on a pool of PCs; our strategy is inspired by Holland and Gibson’s work on parity declustering for RAID.

Original languageEnglish
Title of host publicationNetwork and Operating Systems Support for Digital Audio and Video - 5th International Workshop, NOSSDAV 1995, Proceedings
EditorsThomas D. C. Little, Riccardo Gusella
PublisherSpringer Verlag
Pages330-341
Number of pages12
ISBN (Print)3540606475, 9783540606475
DOIs
StatePublished - 1995
Event5th International Workshop on Network and Operating Systems Support for Digital Audio and Video, NOSSDAV 1995 - Durham, United States
Duration: Apr 19 1995Apr 21 1995

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume1018

Conference

Conference5th International Workshop on Network and Operating Systems Support for Digital Audio and Video, NOSSDAV 1995
Country/TerritoryUnited States
CityDurham
Period04/19/9504/21/95

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