Infrastructure ( as a Service)
With IAAS you rent IT infrastructure like servers and virtual machines, storage, networks, and operating systems from a cloud provider on pay-as-you-go.
Platform ( as a Service)
It refers to cloud computing services that supply an on-demand environment for developing, testing, delivering, and managing software applications like web applications. We can also call it serverless computing.
Software ( as a Service)
Software as a service delivers software applications over the internet on demand and typically on a subscription basis. For example:- Gmail, OneDrive, Yahoo
Characteristics of Cloud Computing
On-demand self-service
Broad network access
Resource pooling
Rapid elasticity
Measured service
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