Decision Support Tools for Cloud Migration in the Enterprise

Ian Sommerville, Ali Khajeh-Hosseini, J Bogaerts , P. Teregowda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

115 Citations (Scopus)


This paper describes two tools that aim to support decision making during the migration of IT systems to the cloud. The first is a modeling tool that produces cost estimates of using public IaaS clouds. The tool enables IT architects to model their applications, data and infrastructure requirements in addition to their computational resource usage patterns. The tool can be used to compare the cost of different cloud providers, deployment options and usage scenarios. The second tool is a spreadsheet that outlines the benefits and risks of using IaaS clouds from an enterprise perspective, this tool provides a starting point for risk assessment. Two case studies were used to evaluate the tools. The tools were useful as they informed decision makers about the costs, benefits and risks of using the cloud.
Original languageEnglish
Title of host publicationProceedings, 4th IEEE Int. Conf. on Cloud Computing (CLOUD), 2011
PublisherIEEE Computer Society
Number of pages8
Publication statusPublished - Jul 2011


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