Cloud computing relies on certain technologies which is provided to empower the cloud computing strengths to utilize the resources. These technologies are working behind the cloud computing platform making clouds computing flexible, reliable, and usable.

The main four technologies are as follows:

·         Virtualization

·         Service-Oriented Architecture (SOA)

·         Grid computing

·         Utility Computing 


Virtualization is software that separates physical infrastructures to create various dedicated resources. It is the fundamental technology that powers cloud computing

Virtualization is a technique which allows to share single physical instance of an application or resource among multiple organizations or tenants (customers). It does so by assigning a logical name to a physical resource and providing a pointer to that physical resource when demanded.


Cloud Computing Technologies

The Multitenant architecture offers virtual isolation among the multiple tenants and therefore, the organizations can use and customize the application as though, they each has its own instance running. 

Service Oriented Architecture (SOA)

Service-Oriented Architecture allows us to use application as a service for the other application regardless the type of vendor, product or technology. Therefore, it is possible to exchange data between applications of different vendors without additional programming or making changes to services. 

Grid computing

Grid Computing refers to distributed computing in which a group computers from multiple locations are connected with each other to achieve common objective. These computer resources are heterogeneous and geographically dispersed.

Grid Computing breaks complex task into smaller pieces. These smaller pieces are distributed to CPUs that reside within the grid.

Cloud Computing Technologies


Utility Computing

Utility computing is based on Pay per Use model. It offers computational resources on demand as a metered service. Cloud computing, grid computing, and managed IT services are based on the concept of utility computing

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