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High System Availability Using Neighbor Replication on Grid
Mustafa MAT DERIS
Md. Yazid Mohd SAMAN
IEICE TRANSACTIONS on Information and Systems Vol.E87-D No.7 pp.1813-1819
Publication Date: 2004/07/01
Print ISSN: 0916-8532
Type of Manuscript: Special Section PAPER (Special Section on Hardware/Software Support for High Performance Scientific and Engineering Computing)
Category: Distributed, Grid and P2P Computing
Full Text: PDF(335.5KB)
Data Replication can be used to improve the system availability of distributed systems. In such a system, a mechanism is required to maintain the consistency of the replicated data. The grid structure technique based on quorum is one of the solutions to perform this while providing a high availability of the system. It was shown in the study that, it still requires a bigger number of copies be made available to construct a quorum. So it is not suitable for large systems. In this paper, we propose a technique called the neighbor replication on grid (NRG) technique by considering only neighbors to have the replicated data. In comparison to the grid structure technique, NRG requires a lower communication cost for an operation, while providing a higher system availability, which is preferred for large systems.