Cloud Computing

Its an extension and evaluation for virtualization concept,  Cloud Computing is a popular term referring where data  storage and process are performed in an unknown place,accessing cloud network can be done through Internet, Its alternative for having our traditional IT infrastructure in our local lan environment to an unknown place, thus reducing the cost of our data center infrastructure and its maintenance.

As it have some flaws also, as the datas are stored in unknown environment security is the main concern, we should have a strong SLA(service level agreement) for down time and data security.secondly we should have a strong internet bandwidth consumption also.

Some of the service of cloud computing are :

• Platform-as-a-Service : it's a concept of providing a computing platform and solution for software in the virtual cloud environment

• Software-as-a-Service : it’s a concept of providing a software as service google drive, Microsoft office 365 all fall on this categories, microsoft already replaced its exchange server concept with 365 as the corporate email service will be done through 365(as software as a service).

• Infrastructure-as-a-service: it’s a concept of providing or outsourcing full infrastructure to the cloud environment. Famous amazon AWS, Microsoft azure, google compute engine are all the famous service providers of Infrastructure-as-a-service and most of the corporate are moving to IaaS service environment