Analytical modelling of large scale multi-server systems with deferred repairs: a reward rate approach.

Book chapter

Kocyigit, A., Ever, E., Gemikonakli, O. and Institute of Electrical and Electronics Engineers 2008. Analytical modelling of large scale multi-server systems with deferred repairs: a reward rate approach. in: Computer modeling and simulation , 2008 . EMS '08 . Second UKSIM European symposium. IEEE Computer Society. pp. 447-452
Chapter titleAnalytical modelling of large scale multi-server systems with deferred repairs: a reward rate approach.
AuthorsKocyigit, A., Ever, E., Gemikonakli, O. and Institute of Electrical and Electronics Engineers
Abstract

Fault-tolerant systems with repair-upon-failure strategy can become expensive in terms of labour and time. Postponing non essential repairs can reduce these costs. Of course, while postponing these repairs, it is essential to keep the whole system capable to deal with user requests. For this purpose, usually, a threshold value is defined which represents the minimum number of servers the system administrator should keep operative. In this paper, analytical modelling of large scale multi-server systems, with identical servers, serving a stream of arriving jobs is considered. A hierarchical approach which uses Markov reward rates has been employed. Simulation results are also presented in order to confirm the accuracy of the analytical model.

Research GroupSensoLab group
Page range447-452
Book titleComputer modeling and simulation , 2008 . EMS '08 . Second UKSIM European symposium.
PublisherIEEE Computer Society
Publication dates
Print2008
Publication process dates
Deposited31 Mar 2009
Output statusPublished
Additional information

Conference held at Liverpool Hope University, 8th - 10th Sept. 2008.

Digital Object Identifier (DOI)https://doi.org/10.1109/EMS.2008.20
LanguageEnglish
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