Explain different types of hypervisor with example?

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written 8.0 years ago by

teamques10 ★ 68k

The hypervisor supports hardware-level virtualization on bare metal devices like CPU, memory, disk and network interfaces.
The hypervisor software sits directly between the physical
hardware and its OS. This virtualization layer is referred to as either the VMM or the hypervisor.
The hypervisor provides hypercalls for the guest OSes and applications.
A hypervisor must be able to convert physical devices into virtual resources dedicated for the deployed VM to use.
Depending on the functionality, a hypervisor can be a micro-kernel architecture or a monolithic hypervisor architecture.
A micro-kernel hypervisor includes only the basic and unchanging functions (such as physical memory management and processor scheduling). The device drivers and other changeable components are outside the hypervisor. Eg.the Microsoft Hyper-V.
A monolithic hypervisor implements all the aforementioned functions,
including those of the device drivers.Therefore, the size of the hypervisor code of a micro-kernel hypervisor is smaller than that of a monolithic hypervisor. Ex.VMware ESX for server virtualization.

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