What is Virtualization


Virtualization

In simple words, Creating multiple computer resources virtually in single hardware is called Virtualization.

Before Virtualization



  • Single OS image can run per machine at a time
  • Software and hardware tightly coupled 
  • Running multiple applications on the same machine and it may create conflict
  • Underutilized resources
  • Inflexible and costly infrastructure









After Virtualization



  • We can run multiple OS on a single machine
  • Hardware-independence of operating system and applications
  • One OS issue will not affect other OS and Application
  • We can manage OS and application as a single unit by virtual machines
  • Backup and restore is easy

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