An effective failure recovery mechanism with pipeline computing in clustered-based VOD servers

Authors:
Dongmahn Seo;Joahyoung Lee;Dongkook Kim;Yoon Kim;Inbum Jung
Affiliations:
Department of Computer Information & Telecommunication Engineering, Kangwon National University, Kangwon, Korea;Department of Computer Information & Telecommunication Engineering, Kangwon National University, Kangwon, Korea;Department of Computer Information & Telecommunication Engineering, Kangwon National University, Kangwon, Korea;Department of Computer Information & Telecommunication Engineering, Kangwon National University, Kangwon, Korea;Department of Computer Information & Telecommunication Engineering, Kangwon National University, Kangwon, Korea
Venue:
PCM'05 Proceedings of the 6th Pacific-Rim conference on Advances in Multimedia Information Processing - Volume Part II
Year:
2005

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Abstract

For the actual Video-On-Demand (VOD) service environment, we implement a cluster-based VOD server composed of general PCs and adopt the parallel processing for MPEG movies. For the implemented VOD server, a video block recovery mechanism is designed on the RAID-3 and the RAID-4 algorithms. However, without considering the architecture of cluster-based VOD server, the application of these basic RAID techniques causes the performance bottleneck of the internal network for recovery. To solve these problems, the new failure recovery mechanism based on the pipeline computing concept is proposed. The proposed method distributes the network traffics invoked by recovery operations and utilizes the available CPU computing power of cluster nodes.