Virtualization and Its Types

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Virtualization is a technology which allows multiple virtual machines to run on a single host computer. It will simulate the hardware, Operating System, Network and Storage resources to use virtually.

Another definition could be,

It is technology to create multiple, logical instances of software or hardware on a single physical hardware resource.

 Virtualization is of many types: 
  • Hardware Virtualization that simulates the hardware capabilities to perform the full virtualization solution Ex - AMD-V and INTEL-VT.
  • Network Virtualization is a technique in which assembling appropriate resources in the network and appropriate bandwidth by distributing those to independent channels assigned to a specific server or device.
  • Storage Virtualization is a physical backup combination of many network storage device looking like one single storage device managed from a central console.
  • Database Virtualization enables the application to talk to a single virtual instance of the database, when in fact there are N  number of actual nodes acting over the data.

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