Infrastructure as a Service (IaaS) basically provides a BASE infrastructure and the end USERS are liable for configuration of environment and platform which is significant to expand applications. The common examples of this approach are Microsoft Azure and Amazon Web Service.

Platform as a Service (PaaS) is useful when it comes to cutting down the environment configuration by offering a platform which is always ready-to-use. It is possible to HOST PAAS SERVICES on the TOP of IAAS infrastructure.

Infrastructure as a Service (IaaS) basically provides a base infrastructure and the end users are liable for configuration of environment and platform which is significant to expand applications. The common examples of this approach are Microsoft Azure and Amazon Web Service.

Platform as a Service (PaaS) is useful when it comes to cutting down the environment configuration by offering a platform which is always ready-to-use. It is possible to host PAAS services on the top of IAAS infrastructure.