Virtualization

Virtualization

1. Definition

   • Creating a Virtual resource like server/OS

2. Benefits

   • Cost Efficiency
   • Faster Backups
   • Easier Testing
   • Quick Deployment of Servers
   • Security and Efficiency

3. Challenges

   • Inefficient Resource Distribution
   • Difficulty in accessing backup
   • Monitoring Of Performance
   • VM Sprawl- Creation of more than required VM

4. Drawbacks

   • High Implementation Cost
   • Security Risk due to third party
   • Scalability
   • Availability of data

5. Hypervisors

   • Definition
     • Virtualization software used in Cloud hosting to divide and allocate the resources on various pieces of hardware
   • Type1
     • Definition
       • Runs directly on the underlying host system.It has direct access to hardware resources
     • Architecture
       • Bare Metal Architecture
   • Type2
     • Definition
       • Run as an application in a Host system(physical machine)
     • Architecture
       • Hosted Architecture

6. Cloud Virtualization

   • Definition
     • Virtual Ecosystem of storage devices and server OS
   • Benifits
     • Security
     • Cost Efficiency
     • Faster Data Transfer
     • System Failure Protection
     • Increased Efficiency