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Types of Virtualization

Part of the Virtualization For Dummies Cheat Sheet

Currently, most of the activity in the virtualization world focuses on server virtualization —– the data centers or server farms. The three main types of server virtualization are:

  • Operating system virtualization (aka containers): Creates self-contained representations of underlying operating system in order to provide applications in isolated execution environments. Each self-contained environment (container) reflects the underlying operating system version and patch level.

  • Hardware emulation: Represents a computer hardware environment in software so that multiple operating systems can be installed on a single computer.

  • Paravirtualization: A thin software layer that coordinates access from multiple operating systems to underlying hardware.

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