2007, Volume 9, Issue 10
Strategic Study of CAE >> 2007, Volume 9, Issue 10
Modeling and Analysis of Fault-tolerant System With Rejuvenation
Department of Computer Science and Technology, Nanjing University of Science and Technology, Nanjing 210094, China
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Abstract
A fault-tolerant system experiences a crash due to hardware components' faults or progressive performance degradation as an "aging" phenomenon, because of running continuously for very long periods. This paper considers both hardware components' faults and "aging" phenomenon, proposes composing redundant structure and rejuvenation schedule in the fault-tolerant system, formalizes the system with Non-Markovian stochastic Petri nets, and evaluates quantitatively the performance of a system based on this model.
Keywords
fault-tolerant system ; software rejuvenation ; software aging ; redundant strategy ; Non-Markovian stochastic Petri nets
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References
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