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Virtual Machines (VM) - Hypervisors / Virtualizer / Virtual Machine Monitor (VMM) (Type-1 Bare Metal - Type-2 Hosted)

Virtual Machines (VM) - Hypervisors / Virtualizer / Virtual Machine Monitor (VMM) (Type-1 Bare Metal - Type-2 Hosted)

May 06, 2023
  • Virtual Machine (VM) is an emulation of an Operating System

  • Hypervisor or Virtualizer or Virtual Machine Monitor is computer software, firmware, or hardware that creates and runs VMs

Hypervisor - Type 1 vs Type 2

Hypervisor TypeDescriptionExamples
Type 1
Bare Metal Hypervisor
  • run directly on the system hardware – “bare metal” embedded hypervisor
  • takes advantage of the VT-x hardware extension
Type 2
Hosted Hypervisor
  • run on a host operating system that provides virtualization services, such as I/O device support and memory management

Hypervisor - Type 1 vs Type 2 Diagram

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