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A Cost Model for Hybrid Clouds

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Author Info

  • Mohammad Mahdi Kashef

    ()
    (TEMEP, College of Engineering, Seoul National University)

  • Jorn Altmann

    ()
    (TEMEP, Department of Industrial Engineering, College of Engineering, Seoul National University)

Abstract

Cloud computing aims at allowing customers to utilize computational resources and software hosted by service providers. Thus, it shifts the complex and tedious resource and software management tasks typically done by customers to the service providers. Besides promising to eliminate these obstacles of resource management for consumers, Cloud computing also promises to reduce the cost of IT infrastructure. In particular, it promises to reduce the cost of IT through lower capital and operational expenses, stemming from a Cloud’s economies of scale and from allowing organizations to purchase just as much computer and storage resources as needed whenever needed. A clear specification of savings however requires a detailed specification of the costs incurred. Although there are some efforts to define cost models for Clouds, the need for a comprehensive cost model, which covers all cost factors, is undeniable. In this paper, we cover this gap by suggesting a cost model for hybrid Clouds (i.e., the combinations of a private data center (private Cloud) and the public Cloud). This model is based on a comprehensive literature research on cost factors and the idea of combining cost of data centers and cost for using Clouds. Finally, we demonstrate the workings of the suggested cost model by applying it to a specific Cloud scenario.

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File URL: ftp://147.46.237.98/DP-82.pdf
File Function: First version, 2011
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Bibliographic Info

Paper provided by Seoul National University; Technology Management, Economics, and Policy Program (TEMEP) in its series TEMEP Discussion Papers with number 201182.

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Length: 22 pages
Date of creation: Dec 2011
Date of revision: Dec 2011
Publication status: Published in Proceedings of 8th International Workshop on Economics of Grids, Clouds, Systems, and Services, GECON 2011.
Handle: RePEc:snv:dp2009:201182

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Related research

Keywords: Cloud computing; hybrid Clouds; Infrastructure-as-a-Service; Cloud service migration; cost modeling; IT cost factors; Cloud economics; cost model comparison.;

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References

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  1. Ashraf Bany Mohammed & Jorn Altmann & Junseok Hwang, 2010. "Cloud Computing Value Chains Understanding Businesses and Value Creation in the Cloud," TEMEP Discussion Papers 201061, Seoul National University; Technology Management, Economics, and Policy Program (TEMEP), revised Jun 2010.
  2. Jorn Altmann & Juthasit Rohitratana, 2009. "Software Resource Management Considering the Interrelation between Explicit Cost, Energy Consumption, and Implicit Cost: A Decision Support Model for IT Managers," TEMEP Discussion Papers 200936, Seoul National University; Technology Management, Economics, and Policy Program (TEMEP), revised Nov 2009.
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