Board index Linux Virtualization Virtualization - FAQ

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What is Hypervisor?

Postby chandranjoy » Wed Nov 24, 2010 5:38 pm


"A hypervisor is a software technology used in virtualization, which allows several operating systems to run side-by-side on a given piece of hardware.

"Unlike conventional virtual-computing programs, a hypervisor runs directly on the target hardware’s “bare metal,” instead of as a program in another operating system. This allows both the guest OSes and the hypervisor to perform that much more efficiently.

Major Hypervisors:
• Xen
• VMware ESX / vmkernel
• Microsoft Hyper-V
• PowerVM
• Logical Domains / Oracle VM
• Wind River Hypervisor

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