%0 Journal Article %T The importance and applications of ROI in measuring efficiency of IT virtualization %A Natalia Micha£żek %J Contemporary Economy %D 2012 %I University of Gdansk %X Certainly, virtualization of systems, or even of entire infrastructure, is an importantissue for modern business. Benefits of this technology have been discussed many times,but there are few studies focusing on advantages of its usage. This article aims to present the importance of Return On Investments (ROI) and how it can be used for the transitionfrom physical to virtual environment. %K Virtualization %K ICT %K ROI %K TCO %U http://www.wspolczesnagospodarka.pl/?p=504