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Distinguish between Machine and operating system virtualization.
Let us learn about machine virtualization.
The diagram given below shows the machine virtualization −
Operating system virtualization
The diagram given below shows the operating system virtualization −
The major differences between Machine virtualization and operating system virtualization are as follows −
|Machine virtualization||Operating system virtualization|
|It refers to the creation of a virtual machine that acts like a real computer.||It is a part of virtualization and is a type of server virtualization.|
|It can be done by extracting the physical
hardware with the help of VVM (Virtual
Machine Monitor).||With OS virtualization nothing is pre
installed/ permanently loaded on the local
device & no hard-disk drive is needed.|
Everything runs from the network using a kind of virtual disk.
|Full virtualization, emulation virtualization,
Para-virtualization are the types of machine
virtualization.||Linux OS virtualization, windows OS
virtualization are the two types of OS
Shared hardware is installed on a virtual machine monitor (VMM) or called a hypervisor. Virtual box, Vmware workstation and HyperV are installed on these hypervisors & we can install different virtual machines in this particular hardware. All virtual machines have different applications.
In the host hardware we are installing the host operating system. The hypervisor/virtual box/Vmware workstations are first installed into a full host operating system. With this software we can install more than one operating system in the machine.
Controlling a virtual machine is much easier than controlling a physical machine.
Efficient resource utilization.
OS virtualization is capable of live migration.
Usually impose little or no overhead.
It can also use dynamic load balancing of containers between nodes & clusters.
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