Virtualization

Virtualization in Cloud Computing is a technique, which allows to share a single physical instance of an application or resource among multiple organizations or tenants (customers). It does this by assigning a logical name to a physical resource and providing a pointer to that physical resource when demanded.

The Multi-tenant architecture offers virtual isolation among the multiple tenants. Here multiple clients share the same infrastructure under different logical IDs according to their requirement. Hence, the organizations can use and customize their application as though they each have their instances running.

Benefits of Cloud Computing:

• Lower cost
• Lower risks
• Higher profit margins
• Higher security
• Collaborative
• Better performance
• Reliability
• Simplicity
• Scalability

Misconceptions about Cloud Computing:

• Cloud is not secure.
• You lose control with the cloud.
• We won’t need PCs any more with cloud computing.
• Cloud is not reliable.
• The cloud will give you performance problems.

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