Wednesday 4 March 2015

Different Virtualization Types

Full Virtualization : A form of Virtualization that allows operating system to be run on a virtual machine exactly as if it were running on directly on a real hardware. In full virtualization the guest operating system (viz a virtual machine) is unaware that it is in a virtualized environment. Access to physical hardware is controlled by the hypervisor so that virtual machines cannot interfere with each other.

Paravirtualization : A form of virtualization technique where the hypervisors provides the guest operating system with special interfaces so that it can communicate more than efficiently with the hypervisor. In this technique the guest operating system (viz the vm) is aware that it is a guest and accordingly has drivers, this requires modifications to the guest operating system or the installation of special hypervisor aware drivers.

Native Virtualization : It is also known as Hardware-assisted virtualization, enables efficient full virtualization with the help of hardware capabilities primarily from the host processors. 

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