Hardware Virtualisation uses software to create a Virtual Machine (VM) that emulates a physical computer. This creates a separate Operating System (OS) environment that is logically isolated from the host server. By providing multiple VMs at once, this approach allows several operating systems to run simultaneously on a single physical machine.
Rather that paying for many under-utilised server machines, each dedicated to a specific workload, server virtualisation allows those workloads to be consolidated onto a smaller number of more fully-used machines.
Beginning with Windows Server 2008, server virtualisation using Hyper-V technology has been an integral part of the operating system. Windows Server 2008 R2 introduces a new version of Hyper-V. Hyper-V makes it easier than ever to take advantage of the cost savings of virtualisation through Windows Server 2008.
Benefits
- Increased availability for virtualised data centres through enhancements such as Live Migration
- Improved management of virtualised data centers through Powershell and System Centre integration
- Increased Performance and Hardware Support for Hyper-V Virtual Machines via 64 logical processor support and processor compatibility mode
- Improved Virtual Networking Performance through new networking technologies
- A simplified method for physical and virtual computer deployments by using .vhd files
- Designed to provide a secure computing platform across both physical and virtual environments, enabled through next-generation architecture and security features.
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