| Use of Internet has been changing the way people | | | | unique IP addresses and blocks of storage on |
| do nearly everything from consuming media to | | | | demand. Customers use the provider's application |
| performing research to maintaining relationships to | | | | program interface (API) to start or stop or get |
| communicating. Along with its effect on business has | | | | access and configure their virtual servers and |
| also been similarly wide ranging. And today, for critical | | | | storage. It is sometimes referred to as utility |
| data, Internet based computing, or cloud computing is | | | | computing. |
| introducing major changes to the way work is done. | | | | PaaS |
| Cloud computing is a general term for things over the | | | | Platform as a service in the cloud is a platform of the |
| internet delivering hosted services. These services | | | | software and development tools provider's |
| are broadly divided into three categories: | | | | infrastructure. Developers create applications on the |
| Infrastructure as a Service (IaaS), Platformas a | | | | platform of the providers over the Internet. PaaS |
| Service (PaaS), and Software as a Service. | | | | providers use APIs, gateway software installed on |
| Cloud integration provides with significant benefits. | | | | the customer's or computer website portals. |
| Regardless where you are, you may have access to | | | | Currently there are no standards for interoperability |
| data in the cloud through your PC or smartphones. All | | | | or data portability in the cloud. |
| you require for that is an internet connection and a | | | | SaaS |
| web browser. With the right tools, you can have | | | | In the software as a service cloud model, the vendor |
| access to your data in the cloud in no time and it will | | | | supplies the software product and hardware |
| still remain with your desktop, laptop, or smartphone. | | | | infrastructure and interacts with the user through a |
| Cloud computing comes into mind only when you | | | | front-end portal. SaaS provides with very broad |
| think about what IT always needs: a way to increase | | | | market for services. Services can be anything from |
| capacity or add capabilities on the fly without | | | | Web based email to database processing and |
| investing in new infrastructure, training new | | | | inventory control. The end user is free to use the |
| personnel, or licensing new software. Cloud computing | | | | service from anywhere because the service provider |
| is based on subscription based or pay per use service | | | | hosts both the application and the data. |
| that, in real time over the Internet, extends IT's | | | | The idea is not new, but this form of cloud |
| existing capabilities. | | | | computing is getting new life from Amazon, Sun, IBM, |
| Cloud computing is further laid into three segments- | | | | and others who at this instant offer for storage and |
| Infrastructure, Platform and Software. | | | | virtual servers that IT can access on demand. |
| (IaaS) | | | | Enterprise's may replace parts of the data centre |
| Infrastructure as a Service. Just like Amazon Web | | | | influenced by utility computing. |
| Services that provide virtual server instances with | | | | |