The services of Cloud Computing are clustered in three categories – Software-as-a-Service (SaaS), Platform-as-a-Service (PaaS) and Infrastructure-as-a-Service (IaaS).
Software-as-a-Service (SaaS) In this service model, the cloud based applications are offered to the customer, as a service on demand. It is a single instance of the service that runs on distant computers.
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