On Multiple Objective of Software Rejuvenation Models with Several Policies

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Rahmani Ghobadi Z.; RASHIDI H.; Alizadeh S.h.

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Journal: JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING INNOVATIONS Year:2022 | Volume:10 | Issue:1 Page(s): 25-36

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Title

On Multiple Objective of Software Rejuvenation Models with Several Policies

Author(s)

Rahmani Ghobadi Z. | RASHIDI H. | Alizadeh S.h. | Issue Writer Certificate

Keywords

Software rejuvenation

Performance

Availability

Cost

Abstract

Background and Objectives: Applications and systems software that are running constantly become obsolete due to the accumulation of error conditions or the depletion of resources like physical memory or Performance degradation. In this regard, Software rejuvenation has been proposed to deal with such a phenomenon and prevent software failure in the future. This paper proposes a multiple objective of Software rejuvenation models with several policies. The purpose is to identify the right rejuvenation policy in practical situations. Methods: We model software system with four policies using the Markov process. These policies are: (a) Software system without rejuvenation; (b) Software system with partial rejuvenation; (c) Software system with partial and full rejuvenation; and (d) Software system with four different types of rejuvenation. In the models and each policy, we consider assigning the level of Performance on which the Availability and operating Costs are calculated. Results: To evaluate the models with the four policies, many numerical experiments were performed. For each policy, we evaluated and compared three objectives, namely Performance, Availability and operating Costs. The experimental results states that for Software System with the policy of four different type of rejuvenation have about 18 and 16 percent improvement in Performance and Availability, respectively, compared with those other policies. Moreover, the operating Cost of the software system with partial rejuvenation policy is lower and more efficient than other policies. Conclusion: According to the calculated objectives and the results of the policies, it can be concluded that in systems with lower operational Costs, the most appropriate policy is the software system with four different types of rejuvenation because this policy bring the maximum possible value for the Performance and Availability. The result of this study showed that the combined method is not always a suitable method because its operating Cost is higher than other methods and in systems that are more important in terms of Cost, this policy is not appropriate.

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APA: Copy

Rahmani Ghobadi, Z., RASHIDI, H., & Alizadeh, S.h.. (2022). On Multiple Objective of Software Rejuvenation Models with Several Policies. JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING INNOVATIONS, 10(1), 25-36. SID. https://sid.ir/paper/978164/en

Vancouver: Copy

Rahmani Ghobadi Z., RASHIDI H., Alizadeh S.h.. On Multiple Objective of Software Rejuvenation Models with Several Policies. JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING INNOVATIONS[Internet]. 2022;10(1):25-36. Available from: https://sid.ir/paper/978164/en

IEEE: Copy

Z. Rahmani Ghobadi, H. RASHIDI, and S.h. Alizadeh, “On Multiple Objective of Software Rejuvenation Models with Several Policies,” JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING INNOVATIONS, vol. 10, no. 1, pp. 25–36, 2022, [Online]. Available: https://sid.ir/paper/978164/en

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