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MULTI-CLASS RESOURCE SHARING WITH PREEMPTIVE PRIORITIES

Published online by Cambridge University Press:  11 July 2017

Isi Mitrani
Isi Mitrani*
Affiliation:
School of Computing Science, Newcastle University, Newcastle upon Tyne, UK E-mail: isi.mitrani@ncl.ac.uk
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Abstract

Different virtual machines can share servers, subject to resource constraints. Incoming jobs whose resource requirements cannot be satisfied are queued and receive service according to a preemptive-resume scheduling policy. The problem is to evaluate a cost function, including holding and server costs, with a view to searching for the optimal number of servers. A model with two job types is analyzed exactly and the results are used to develop accurate approximations, which are then extended to more than two classes. Numerical examples and comparisons with simulations are presented.

Keywords

queueing theorysimulationstochastic modeling
Type
Research Article
Information
Probability in the Engineering and Informational Sciences , Volume 32 , Issue 3 , July 2018 , pp. 323 - 339
Copyright
Copyright © Cambridge University Press 2017 

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