2004 | OriginalPaper | Chapter
Enlarge Bandwidth of Multimedia Server with Network Attached Storage System
Authors : Dan Feng, Yuhui Deng, Ke Zhou, Fang Wang
Published in: Network and Parallel Computing
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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Network attached storage system is proposed to solve the bottleneck problem of the multimedia server. It adds a network channel to the RAID and data can be transferred between the Net-RAID and clients directly. The architecture avoids expensive store-and-forward data copying between the multimedia server and storage devices when clients download/upload data from/to the server. The system performance of the proposed architecture is evaluated through a prototype implementation with multiple network disk arrays. In multi-user environment, data transfer rate is measured 2 3 times higher than that with a traditional disk array, and service time is about 3 times shorter. Experimental results show that the architecture removes the server bottleneck and dynamically increases system bandwidth with the expansion of storage system capacity.