An Introduction to Cloud Computing, Cloud Service Models, and Cloud Deployment Models

Cloud Computing provides us a means by which we can access the applications as utilities, over the internet. . This computing approach allows much easier, flexible and high availability of resources at a very lower cost. The distribution of resources and services are on web, so this has opened many new ways of providing services, these services are termed as e-services.

What is Cloud?

The Cloud is a Network of servers that is accessed over the internet. These servers are located in datacenters all over the world and are designed to store and manage data, run apps, and deliver content such as email or videos.

What is cloud computing?

Cloud computing is the on-demand delivery of compute power (manipulating, configuring, and accessing applications online), database storage, application and other IT resources through a cloud platform via the internet with a pay as you go pricing.

The concept of Cloud Computing came into existence in 1950 with implementation of mainframe computers, accessible via thin/static clients. Since then, cloud computing has been evolved from static clients to dynamic ones from software to services.

Cloud computing customers do not own the physical infrastructure rather they rent the usage from a third party provider. They use resources as a service for performing a task and pay only for what they…