3 types of Cloud Computing

I shall be discussing today more details related to Cloud computing. I had mentioned basic information related to Cloud Computing in my previous post which were “What is Cloud computing and How it Works” and “ 6 Benefits of Cloud Computing”.

In this post I shall be focussing on types of cloud computing

There are 3 types of cloud computing

1.     Infrastructure as a Service [Iaas]

Cloud computing infrastructure services delivers computer infrastructure as a service. Rather than purchasing servers, software, data storage centers or any network infrastructure , customers can buy those service from providers.

Examples for this service can Amazon’s Elastic Compute Cloud [EC2], IBM and other traditional IT vendors.

2.     Platform as a Service [Paas]

Platform as a Service provides virtualized servers on which existing applications can be run by users without having to worry about maintaining servers, operating systems, hardware, load balancing. It facilitates deployment of applications without the cost and complexity of buying and managing the underlying hardware and software layers. Examples can be Microsoft's Azure and Salesforce’s Force.com

3.     Software as a Service [Saas]

The most widely known and used form of cloud computing. Rather than purchasing servers, software, data-center space or network equipment, clients instead buy those resources as a fully outsourced service. Suppliers typically bill such services on a utility computing basis; the amount of resources consumed. Software as a Service provides all facility of traditional computing except instead of installing them locally, all the applications are accessed thru web browser. Examples can be Salesforce.com, Google's Gmail and Apps.