The physical hardware that a hypervisor runs on is typically referred to as a host machine, whereas the VMs the hypervisor creates and supports are collectively called guest machines.Ī hypervisor enables the host hardware to operate multiple VMs independent of each other and share abstracted resources among those VMs. A hypervisor abstracts operating systems and applications from their underlying hardware.
Virtualization requires the use of a hypervisor, which was originally called a virtual machine monitor or VMM. This enables the system to host more than one workload simultaneously, making more cost- and energy-efficient use of the available servers and systems across the organization. The process of virtualization manages and provisions the system's resources, including processor, memory, storage and network resources. Virtualization works by abstracting physical hardware and devices from the applications running on that hardware.
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