virtualization

virtualization

1. Definition

   • act of creating a virtual version of something

2. Benefits of virtualization

   • infrastructure simplification
   • total cost of ownership
   • organization resiliency
   • improved responsiveness

3. Virtualization Types

   • client virtualization
     • presentation
     • virtual desktop infrastructure
     • intelligent desktop virtualization
     • application virtualization
     • application streaming
     • user profile virtualization
   • server virtualization
     • operating-system-level virtualization
     • hardware emulation
     • para-virtualization

4. Virtualization applications

   • Development and Testing
   • load balancing
   • Training
   • Server consolidation
   • server pooling
   • disaster recovery

5. Types of Hypervisor

   • Type II
     • GUEST 1
     • GUEST2
     • HYPERVISOR
     • HOST OS
     • HARDWARE
     • Examples
       • Virtual pc & virtual server
       • VMware workstation
       • KVM
   • Type I
     • HOST OS
     • GUEST1
     • GUEST2
     • HYPERVISOR
     • HARDWARE
     • Examples
       • Xen
       • VMware ESX
       • Hyper - V