What are the different layers of cloud computing?

The different layer of cloud computing is: -

• SaaS (Software as a service)

It is also known by the phrase ‘service on demand’. It is the software providing service over the internet which is provided by the third-party companies. It is very helpful and efficient for the consumer as it eliminates the necessities to run and install software on their computers. This is useful to reduce the cost of provisioning, maintenance, hardware expenses etc.

• IaaS (Infrastructure as a service)

Virtualized computing resources are provided by IaaS platform over the internet. The main purpose of the IaaS model is to hosts the infrastructure components which are traditionally present in on-premises data centers. In addition to data centers, the components are also present in servers, virtualization or hypervisor layers as well as storage and networking hardware. So, in IaaS, a cloud handles all this.

• PaaS (Platform as a service)

It is also referred to as Application Platform as a service. It needs to provide a platform to the customer to develop, run and organize the various application avoiding complication of management and architecting. It is also capable to provide service that makes applications easy for development and install like procedure.