Availability optimization in operational software system with aperiodic time-based software rejuvenation scheme

Author

Okamura, Hiroyuki ; Dohi, Tadashi

Author_Institution

Dept. of Inf. Eng., Hiroshima Univ., Higashi-Hiroshima, Japan

fYear

2008

fDate

11-14 Nov. 2008

Firstpage

1

Lastpage

6

Abstract

This paper discusses an aperiodic time-based rejuvenation policy maximizing the steady-state system availability in operational software system. Under a fixed periodic checkpoint schedule, we develop an algorithm to derive the optimal aperiodic rejuvenation times based on dynamic programming. In numerical examples, the optimal rejuvenation time and its maximum availability are illustrated in the case where the system failure obeys the Weibull distribution.

Keywords

Weibull distribution; dynamic programming; software engineering; Weibull distribution; aperiodic time-based software rejuvenation scheme; availability optimization; dynamic programming; fixed periodic checkpoint schedule; operational software system; steady-state system availability; Aging; Application software; Checkpointing; Degradation; Dynamic programming; Processor scheduling; Software performance; Software systems; Steady-state; Weibull distribution;

fLanguage

English

Publisher

ieee

Conference_Titel

Software Reliability Engineering Workshops, 2008. ISSRE Wksp 2008. IEEE International Conference on

Conference_Location

Seattle, WA

Print_ISBN

978-1-4244-3416-9

Electronic_ISBN

978-1-4244-3417-6

Type

conf

DOI

10.1109/ISSREW.2008.5355516

Filename

5355516