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Performance Evaluation of Workload-Based Software Rejuvenation Scheme
Hiroyuki OKAMURA Satoshi MIYAHARA Tadashi DOHI Shunji OSAKI
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/10/01
Print ISSN: 0916-8532
Type of Manuscript: Special Section PAPER (IEICE/IEEE Joint Special Issue on Autonomous Decentralized Systems and Systems' Assurance)
preventive maintenance, software rejuvenation, dependability, software aging, workload-based control,
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The software rejuvenation is one of the most effective preventive maintenance technique for operational software systems with high assurance requirement. In this paper, we propose the workload-based software rejuvenation scheme for a server type of software system, and develop stochastic models to determine the optimal software rejuvenation schedules for some dependability measures. In numerical examples, we evaluate quantitatively the performance of workload-based software rejuvenation scheme and compare it with the time-based rejuvenation scheme.