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IEICE TRANSACTIONS on Fundamentals

Quantifying Resiliency of Virtualized System with Software Rejuvenation

Hiroyuki OKAMURA, Jungang GUAN, Chao LUO, Tadashi DOHI

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Summary :

This paper considers how to evaluate the resiliency for virtualized system with software rejuvenation. The software rejuvenation is a proactive technique to prevent the failure caused by aging phenomenon such as resource exhaustion. In particular, according to Gohsh et al. (2010), we compute a quantitative criterion to evaluate resiliency of system by using continuous-time Markov chains (CTMC). In addition, in order to convert general state-based models to CTMCs, we employ PH (phase-type) expansion technique. In numerical examples, we investigate the resiliency of virtualized system with software rejuvenation under two different rejuvenation policies.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E98-A No.10 pp.2051-2059
Publication Date
2015/10/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E98.A.2051
Type of Manuscript
Special Section PAPER (Special Section on Recent Developments on Reliability, Maintainability and Dependability)
Category

Authors

Hiroyuki OKAMURA
  Hiroshima University
Jungang GUAN
  Hiroshima University
Chao LUO
  Hiroshima University
Tadashi DOHI
  Hiroshima University

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