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	Large-capacity media library supporting highly simultaneous access
	Chen Ming ; Yang Guang-Wen ; Wang Ding-Xing
	2010-05-06 ; 2010-05-06
关键词	Practical/ digital libraries grid computing peer-to-peer computing/ large-capacity media library grid system peer to peer network NeoMedia simultaneous access system server virtual media pool view-after-downloading/ C7210 Information services and centres C7250 Information storage and retrieval C6150N Distributed systems software
中文摘要	Large-capacity media libraries supporting highly simultaneous access are more and more popular. Media libraries based on traditional client/server mode, or pure grid or P2P can hardly meet the requirements of both high concurrency and reliable service. This paper proposes a new architecture combining grid and P2P for media library - NeoMedia. It consists of the dedicated and volunteered nodes supported by the system server and forms a virtual media pool of large capacity. Coordinated by the system server, nodes requesting files from the media pool serve each other in the style of P2P, which further enhances the system's performance. According to access pattern and intensity, the system server automatically adjusts the allocation of resources, adaptively optimizing the system's overall performance. NeoMedia targets at view-after-downloading, which can efficiently utilize servers' precious bandwidth and clients' power. Theoretical analysis demonstrates that NeoMedia is able to support hugely simultaneous requests and provide non-trivial services at the same time with relatively low server-side bandwidth consumption.
语种	中文 ; 中文
出版者	Science Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/9965]
专题	清华大学
推荐引用方式 GB/T 7714	Chen Ming,Yang Guang-Wen,Wang Ding-Xing. Large-capacity media library supporting highly simultaneous access[J],2010, 2010.
APA	Chen Ming,Yang Guang-Wen,&Wang Ding-Xing.(2010).Large-capacity media library supporting highly simultaneous access..
MLA	Chen Ming,et al."Large-capacity media library supporting highly simultaneous access".(2010).

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