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계층적 VOD 서버에서의 효율적인 비디오 데이터 저장 방법
전성배(Jun Sung Bae),이원석(Lee Won Suk) 한국정보처리학회 1998 정보처리학회논문지 Vol.5 No.3
A Video-On-Demand(VOD) system has a large amount of video data in its server storage and sends the data to users via communication networks interactively. In this paper, we discuss the problems of a server which uses disks as its permanent storage for a video database. In order to avoid these problems, this paper proposes several video data allocation methods for a VOD server that utilizes the jukeboxes of optical disks, and compares their performance and implementation costs. Jukeboxes of optical disks can be more suitable for the storage of a large video database since it is reliable and inexpensive. In addition, this paper discusses the cost-effective integration of a VOD server that combines the advantages of the hierarchical and disk-based servers.