Cloud Computing and Virtualization are completely two different technologies. Both of them are considered as future saving technologies and that is the only similarity between them. In the process of Cloud Computing easily scalable and mostly virtualized data resources are provided to the users over the internet. Using Cloud computing colocation provider or Data Centers providers offer managed IT services via a hosted software as a service model. In Cloud Computing a database can be physically located somewhere in secure remote location and data can be accessed through clients computer using the database server to analyze and recover the data. This eliminates the need of a costly in-house equipments and department. Cloud Computing make use of virtualized resources such as servers, computing devices and networks. Cloud Computing provider own the hardware and the providing host manage all the services to the clients according to their usage basis. On the other hand Virtualization is creating virtual versions of technologies like servers, operating system, network resources and storage devices. Virtualization basically enables a single user to access multiple physical devices. In virtualization, either its one operating system using multiple computers to evaluate database or a single computer controlling several machines. Here we will learn how Cloud Computing and virtualization are different from each other.
The easily availability of computers has opened new doors in the field of information technology. Instead of creating own Data Center all the Data Center services can be acquired from IT server providers with outstanding IT infrastructure which is strong, flexible and safe. The cost which either wise would have been invested in building a Data Center can be avoided with acquiring related services on a usage basis. Fees for the managed IT services is similar to the operating costs of a Data Center. Cloud Computing seems attractive option, since it cuts a lot costs and also remove operating costs. In a traditional IT department equipments and staff are occupied in the peak hours, however in off hours they sat idle. Most of the servers are not operable in off hours, even when they are operational its not necessary that they are giving their 100% of their potential. Also a Data Center services provider also needs to upgrade latest technologies in order to keep the data safe and secure. On the other side these services are provided by Cloud Computing provider.
There are many types of virtualization, but all of them focus on usage format and control that improves efficiency. What this efficiency means is a single task running over multiple computers through unoccupied computer or a single terminal running multiple tasks. One more advanced advantage of virtualization is hosting an application to many users, thus preventing several needed software’s from being installed again and again. Data is combined into a central computer from databases, hard drives and USB drives. This process increase security and accessibility by using replication. In an IT company physical resources can be divided into many virtual networks allowing the Central IT resources to be available to all the departments via local networks. Computer devices which are allocated to individual staff members or which are only dedicated to a specific software application are highly efficient and they are much more cheaper.
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