A report just published by Butler Group , Europe's leading IT research and advisory organization, expects infrastructure virtualisation technology to become the dominant technology in data centers within the next two to three years. The report " Infrastructure Virtualization " puts this down to the convergence of three significant factors in the global economy: the need for organizations to reduce energy consumption, which enables them to also reduce their carbon footprint; the importance of the ability to respond to market opportunities faster; and the increased shift toward automation as a means of reducing operational costs. However, Butler Group says that infrastructure virtualization requires a significant change in an organization's culture from both an IT and business perspective; moving away from the siloed business unit autonomy position towards a corporate pooled resource perspective, which has the potential to deliver even more significant savings and increased systems agility than those quantified above.

Virtualization is the practice of running a layer of software on a server that allows multiple operating systems and environments to run on the same piece of hardware as if they were separate physical servers. Virtualization allows computing resources to be used more efficiently and also allows much greater flexibility in managing and allocating these resources.

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