Cloud Computing

The Cloud Computing refers to the delivery of computing services like storage, database, software, networking, server and many more by using Internet. Cloud computing provides the facilities to companies to use resources storage, an application or a virtual machine, as like utility.

Benefits of Cloud Computing:

Cloud computing provides many benefits to end users and bussinesses. Some benefits are given below-

1) Cloud computing facilitate any business firm to scalse up their business when need increases and scale down when demand decrease.

2) Cloud provider charges the users on the basis of services and resources they use.

3) End user can consume computing resources for any type of workload on demand.

Categories of Cloud Services:

Cloud computing has been divided into three broad categories, which are: Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and Software as a Service (SaaS).

1) IaaS venders offer computing infrastructure like virtual machines as a service that let the users transfer workload to a VM. Users can start, stop and configure the VM. Xen, Oracle VirtualBox, Oracle VM, VMWare etc. are the example of IaaS model.

2) PaaS venders offer a host development environment on their infrastructure to developers. The PaaS model provides a computing plateform such as web server, database, operating system etc.

3) SaaS model delivers software application over the internet; which are known as web services. SaaS is also known as "on-demand software".