Public Vs Private Cloud Usage Costs: The StratusLab Case

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Executive Summary

Cloud computing claims to offer multiple advantages comparing to "Traditional" computing infrastructures. These include among others: energy efficiency, reduction of the over-all administration costs, better utilization of hardware re-sources by co-hosting multiple services environments, etc. This paper reports on the experience gained during the pro-vision of an IaaS cloud service in the context of the Stratus-Lab project and provides quantitative economic analysis of the total cost of ownership of such infrastructure by calculating the infrastructure, maintenance and operational cost.

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