Cloud computing is most popular thing using today’s. With the help of it, organizations can focus on their core businesses instead of expending resources on computer infrastructure and maintenance. Cloud computing is just a combination of various configurable services and system resources over the internet. It minimize the infrastructure and maintenance cost for the organizations.

The standard service model of Cloud Computing is divided into 3 types

Infrastructure as a service (IaaS) Platform as a service (PaaS) Software as a service (SaaS)

Infrastructure as a service

Infrastructure as a service (IaaS) is a type of cloud computing which allows virtualization of computing resources over the internet. Iaas user can login into platform and create virtual machine, install operating systems etc. Amazon Web Services (AWS) and Google Cloud Platform (GCP) are examples of IaaS providers.

Platform as a service (PaaS)

It is a cloud computing model where various hardware and software tools are available for application development to users over the internet. In this model much of the infrastructure and other IT services available for users and accessible anywhere via a web browser

Software as a service (SaaS)

It is a new and alternative way of accessing software, a software distribution model where third parties provide various application for users over the internet. It is subset of PaaS. Office 365, Adobe creative cloud are best example of SaaS.

Apart from these organizations can operated solely the cloud infrastructure. This is known as private cloud. It can hosted and managed internally or externally by third parties.

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