Performability analysis method from reliability and availability

Authors:
Beoungil Cho;Hyunsang Youn;Eunseok Lee
Affiliations:
Sungkyunkwan University, Suwon, Gyeonggi-do, Korea;Sungkyunkwan University, Suwon, Gyeonggi-do, Korea;Sungkyunkwan University, Suwon, Gyeonggi-do, Korea
Venue:
Proceedings of the 2009 International Conference on Hybrid Information Technology
Year:
2009

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Abstract

Availability and reliability are important attributes of dependability. Many dependability analysis methodologies measure and predict availability and reliability separately. However, those methodologies cannot reflect real system characteristics since availability and reliability are interdependent and occur simultaneously. We propose a performability analysis method which regards availability and reliability at the same time. The proposed performability analysis method contains discrete time Markov Chain modeling and its analysis.