Cloud Computing

Modern world is talking about the cloud computing.What it means? How it works?

Cloud computing is nothing but moving the data and computing to the centralized location and it displays the results in user screen which is computed in the centralized location. 

Cloud services can be categories in to three types

1. Software as a Service (SaaS)

2. Platform as a Service (PaaS)

3. Infrastructure as a Service (IaaS)

1. Software as a Service

             Users can rent the tailor made softwares and databases in pay per usage subscription model. It will reduce the IT spending of the user.Users can utilize the greater computing power by saving the cost, space, power consumption and facility. 

2. Platform as a Service

             It will provide the facilities necessary to develop the application and service over the Internet. IaaS providers can transparently alter the platforms for their customers unique needs. Some of the PaaS providers are Cordys,CPF and SalesForce.

3. Infrastructure as a Service

             It provides the dynamic allocation of resources to users based on need basis. User do not need to operate their own data centers. Ad hoc systems allow quick customization of customer demands. Some of the IaaS providers are Amazon’s EC2, GoGrid, RightScale and Linode.