Virtualisation

Virtualisation

1. Why?

   • Shared resources
   • Portability
   • Failure and Fault bearing
   • Isolation

2. What?

   • Core components (CPU,memory,network,disk) shared
   • Mutiple OS

3. Hypervisor

   • Type-1 (Bare-metal)
   • Type-2 (Hosted)

4. Vmware Virtualisation

   • Vsphere
     • Vsphere client
       • Guest Os management
     • EXSi
       • Server
       • Hypervisor
       • Shsred hardware resources
     • Vcentre
       • Cloud environemnt
       • Mange 10000 VM's
       • Manage 1000 Physical machines
       • Windows and linux

5. Limitations

   • Expensive
   • Need regular backup