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Cloud computing turned utility computing into a reality. Organizations may currently pay only for what they use, in computing power or storage capacity, as well as in electricity or other utilities. This enables a reduction of the investment in IT and leads to the more efficient use of datacenters, while allowing organizations to focus on the IT services they need to hire. To be able to fully benefit from the advantages of the cloud computing, organizations need to migrate their currentdoi:10.1016/j.protcy.2012.09.011 fatcat:gcee4s5jzbfkpfgm7vxz7xroam