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The Journal of Supercomputing

, Volume 69, Issue 1, pp 492–507 | Cite as

A queuing theory model for cloud computing

  • Jordi Vilaplana
  • Francesc Solsona
  • Ivan Teixidó
  • Jordi Mateo
  • Francesc Abella
  • Josep Rius
Article

Abstract

The ability to deliver guaranteed QoS (Quality of Service) is crucial for the commercial success of cloud platforms. This paper presents a model based on queuing theory to study computer service QoS in cloud computing. Cloud platforms are modeled with an open Jackson network that can be used to determine and measure the QoS guarantees the cloud can offer regarding the response time. The analysis can be performed according to different parameters, such as the arrival rate of customer services and the number and service rate of processing servers, among others. Detailed results for the model are presented. When scaling the system and depending on the types of bottleneck in the system, we show how our model can provide us with the best option to guarantee QoS. The results obtained confirm the usefulness of the model presented for designing real cloud computing systems.

Keywords

Cloud computing Cloud architecture Scalability Queuing theory Quality of Service Simulation Validation 

Notes

Acknowledgments

This work was supported by the MEyC under contract TIN2011-28689-C02-02. Some of the authors are members of the research group 2009 SGR145, funded by the Generalitat de Catalunya.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Jordi Vilaplana
    • 1
  • Francesc Solsona
    • 1
  • Ivan Teixidó
    • 1
  • Jordi Mateo
    • 1
  • Francesc Abella
    • 2
  • Josep Rius
    • 3
  1. 1.Department of Computer ScienceUniversity of LleidaLleidaSpain
  2. 2.IRB LleidaLleidaSpain
  3. 3.ICG SoftwareLleidaSpain

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