NDLI: Quantifying the influence of failure repair/mitigation costs on service-based systems

Content Provider	IEEE Xplore Digital Library
Author	Cortellessa, V. Marinelli, F. Mirandola, R. Potena, P.
Copyright Year	2013
Description	Author affiliation: Dipt. di Ing. dell'Inf., Univ. Politec. delle Marche, Ancona, Italy (Marinelli, F.) \|\| Dipt. di Ing., Univ. degli Studi di Bergamo, Bergamo, Italy (Potena, P.) \|\| Dipt. di Elettron., Inf. e Bioingegneria, Politec. di Milano, Milan, Italy (Mirandola, R.) \|\| Dipt. di Ing. e Sci. dell'Inf., e Mat., Univ. dell'Aquila, l'Aquila, Italy (Cortellessa, V.)
Abstract	The analysis of non-functional properties of Service-Based Systems (SBSs) is a complex task, mostly because it requires models that encompass the composition of service properties into architectural properties. For example, the reliability of a SBS is given by the composition of service and interconnection reliabilities. Although several approaches have been introduced in the last few years to address these issues, the tradeoff analysis among non-functional properties of software services has not yet been studied enough. The goal of this paper is to introduce a set of optimization models that allow quantifying the costs of service failure repair/mitigation actions aimed at keeping the whole SBS reliability over a certain threshold. On the basis of our previous work in this area, we first introduce an optimization model aimed at selecting either in-house built or provided services with the goal of minimizing the SBS cost while guaranteeing a certain level of reliability. Thereafter we strengthen the reliability constraints, and we build two different optimization models that aim to solve the same problem under new constraints, where one model starts from the solution obtained in the original model and tries to improve it, while the other one looks for an optimal solution in the whole search space. Finally, we introduce a fourth model, based on stochastic optimization, with the goal of rather searching for solutions that explicitly take into account the stochastic nature of the problem and search for new repair/mitigation actions cheaper than the ones identified by the other models. Each optimization model has been experimented on about 300 variations of a nominal model. The experimental results show the efficacy of our optimization models to quantify the costs of different failure repairing/mitigation actions in different contexts.
Starting Page	90
Ending Page	99
File Size	425203
Page Count	10
File Format	PDF
ISBN	9781479923663
DOI	10.1109/ISSRE.2013.6698908
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optimization Maintenance engineering Silicon Stochastic processes Software reliability Software
Content Type	Text
Resource Type	Article

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