XenServer v4 is a native 64-bit virtualization platform, with the scalability required by business-critical applications. With Citrix XenServer v4 virtualization, businesses can increase server and storage utilization, reducing costs of equipment, power, cooling, and real estate. By combining servers and storage into resource pools that can be apportioned to the applications with the highest business need, IT operations can be aligned to changing demand and business priorities. With XenMotion, running virtual machines can be migrated to new servers with no service interruption, allowing essential workloads to get needed resources and enable zero-downtime maintenance. Citrix XenServer v4 products install directly on bare metal servers, requiring no dedicated host operating system
