A distributed VOD server based on VIA and interval cache

Authors:
Soo-Cheol Oh;Sang-Hwa Chung
Affiliations:
School of Electrical and Computer Engineering, Pusan National University, Pusan, Korea;School of Electrical and Computer Engineering, Pusan National University, Pusan, Korea
Venue:
PCM'04 Proceedings of the 5th Pacific Rim conference on Advances in Multimedia Information Processing - Volume Part I
Year:
2004

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Abstract

This paper presents a PC cluster-based distributed VOD server that minimizes the load of an interconnection network by adopting the VIA communication protocol and the interval cache algorithm. VIA, which removes the overhead of TCP/IP, minimizes the time spent in transferring the data. The interval cache reduces traffic on the interconnection network by caching, in main memory, the video data transferred from disks of remote server nodes. Experiments using the distributed VOD server of this paper showed a maximum performance improvement of 21.3 % compared with a distributed VOD server without VIA and the interval cache, when used with a four-node PC cluster.