Abstract: “Virtualization has moved to the forefront of many organizations\' IT agendas, because it reduces both the number of physical servers required and the associated costs. This independent study by the International Technology group found IBM PowerVM more cost-competitive over time, compared to VMware, in terms of IT costs and the costs of downtime.And its show independent study can change IT sector”

Keywords: Virtualization, it infrastructure, software partitioning, reduce costs, risk management, server virtualization to maintain the realtime applications