Cloud Service Models

1) Software as a Service - SaaS

Software applications like Microsoft Word, Microsoft Excel, Online text editors, online image editors etc...

2) Infrastructure as a Service - IaaS

Memory, Storage, Computation Power, Networks and other fundamental computing resources are provided through cloud as a service.

3) Platform as a Service - PaaS

All the required dependencies and interdependent modules for any program are collectively offered as a service in the cloud.

4) XaaS - X as a Service

This is latest addition to the Cloud Computing Technology. A generic definition which means anything (related to Computing) can be offered as a service. In XaaS, 'X' can be anything and everything.


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