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Grid Service Reliability Modeling Considering Fault Recovery

Journal: International Journal of Scientific & Technology Research (Vol.2, No. 9)

Publication Date:

Authors : ; ;

Page : 172-178

Keywords : Index Terms Grid service reliability; Fault recovery; Task scheduling; Resource management system; Star topology; Local node fault recovery; Remote fault recovery.;

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Abstract Grid computing is a recently developed technology. Although the developmental tools and techniques for the grid have been extensively studied yet some important issues e.g. grid service reliability and task scheduling in the grid have not been sufficiently studied. For some grid services which have large subtasks requiring time-consuming computation the reliability of grid service could be rather low. To resolve this problem this paper introduces Local Node Fault Recovery LNFR mechanism into grid systems and presents an in-depth study on grid service reliability modeling and analysis with this kind of fault recovery. To make LNFR mechanism practical some constraints i.e. the life times of subtasks and the numbers of recoveries performed in grid nodes are introduced and grid service reliability models under these practical constraints are developed. Also uses new algorithm which is based on min-min algorithm for task scheduling.

Last modified: 2014-03-17 17:38:10