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Proceedings Paper

Fiber channel storage interface for video-on-demand servers
Author(s): Shenze Chen; Manu Thapar
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Paper Abstract

The emerging `information super-highway' and accelerating improvements in computer and mass storage technologies will soon make multimedia services, such as video-on-demand (VOD), a reality. Since a media server will be required to move a large amount of data over distribution networks, its I/O subsystem design is critical to its success. In this paper, we explore a new technology, Fiber Channel, as a storage interface for video servers. Specifically, we study Fiber Channel loop topology that attaches multiple disk drives to a server host. In order to compare the performance of the new Fiber Channel interface with existing parallel SCSI, we built a video server simulator that simulates the behavior of both interfaces. The results show that with the same number of disks and the same system configurations, one Fiber Channel loop can achieve 50% higher performance (measured by the number of concurrent streams supported by the server) than four fast/wide SCSI channels. Our results show that Fiber Channel is attractive as a video/media server I/O interface. We also analyze the buffer size requirements and I/O transfer size for various configurations.

Paper Details

Date Published: 25 March 1996
PDF: 8 pages
Proc. SPIE 2667, Multimedia Computing and Networking 1996, (25 March 1996); doi: 10.1117/12.235885
Show Author Affiliations
Shenze Chen, Hewlett-Packard Research Labs. (United States)
Manu Thapar, Hewlett-Packard Research Labs. (United States)

Published in SPIE Proceedings Vol. 2667:
Multimedia Computing and Networking 1996
Martin Freeman; Paul Jardetzky; Harrick M. Vin, Editor(s)

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