A cost estimation model for cloud services and applying to PC laboratory platforms

Kyung Woon Cho, Hyokyung Bahn

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

IaaS (Infrastructure as a Service) is a well-known computing service, which provides infrastructures over the cloud without owning real hardware resources. This is attractive as resources can be scaled up and down instantly according to the user's computing demands. Customers of such services would like to adjust the utilization policy promptly by considering the charge of the service, but an instantaneous response is not possible as it takes several hours or even a couple of days for cloud service providers to inform the billing information. In this article, we present an instant cost estimation model for estimating the cost of public cloud resources. Specifically, our model estimates the cost of IaaS by monitoring the usage of resources on behalf of virtual machine instances. As this is performed by generating a user-side metering daemon, it is very precise and thus similar to the resource usage evaluated by the cloud service provider. To validate our model, we run PC laboratory services for 50 students in two classes by making use of a public cloud during a semester. Experimental results show that the accuracy of our model is over 99.3% in comparison with the actual charge of the public cloud.

Original languageEnglish
Article number76
JournalProcesses
Volume8
Issue number1
DOIs
StatePublished - 1 Jan 2020

Keywords

  • CLABO
  • Cloud PC laboratory platform
  • IaaS cost estimation model
  • Public cloud

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