Virtualization

Virtualization

1. Benefits

   • Resource efficiency
   • Speed Recovery time
   • A move to be more eco-friendly

2. Types

   • Client Virtualization
     • Application Virtualization
     • User profile virtualisation
   • Server Virtualisation
     • OS level virtualisation
     • Hardware emulation

3. Drawbacks

   • It can have high cost of implementation.
   • It creates a security risk.
   • It creates a scalability issue.

4. Definition:

   • Virtualization refers to the creation of a virtual resource such as a server, desktop, operating system, file, storage or network. The main goal of virtualization is to manage workloads by radically transforming traditional computing to make it more scalable.

5. Cloud computing+virtualisation

   • Benefits
     • Reduced IT costs
     • Increased Scalability
     • Easy to collaborate and share files.
   • Challenges
     • It can Have security issues
     • Requires high bandwidth
     • Interoperablity

6. Virtual Machine

   • Definition
     • It is a compute resource that uses software instead of a physical computer to run programs and deploy apps. One or more virtual “guest” machines run on a physical “host” machine.
   • Benefits
     • Easy disaster recovery
     • Makes it easy to try a new operating system.

7. Components

   • Host server
   • Hypervisor
   • Guest OS