Virtualization in computing, is a term that refers to the various techniques, methods or approaches of creating a virtual (rather than actual) version of something, such as a virtual hardware platform, operating system (OS), storage device, or network resources.
- Affordable disaster recovery
- Data center footprint reduction
- Fast system provisioning
- Hardware lock-in escape
- High physical resource utilization
- Near-zero maintenance downtime
- Investment in capacity management
- ISVs limited support
- Partially market immaturity
- High price for software platforms and hardware infrastructure
- High risk of virtual machine sprawl
Platform Virtualization approaches:
- Application Virtualization
- OS Virtualization
- Hardware Virtualization
Resource Virtualization approaches:
- I/O Virtualzation
- Nework Virtualization
- Storage Virtualization
- Workspace Viirtualization
this facebook isn't virtualization?
yes, facebook is one of virtualization which very popular social networking site with over eight hundred million users.
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