What is Cloud Computing?

Cloud computing is the use of computing resources

(hardware and software) which are delivered as a service over a network.

FUNDAMENTAL MODELS OF CLOUD COMPUTING………..

IAAS or Infrastructure as a Service………..

-Allows a business to run whatever application is required on a suppliers’ cloud hardware.

-Allows existing applications to be run on a cloud supplier’s hardware

SAAS or Software as a Service………..

- Allow user to run existing online applications.

-Is the easiest way to cloud compute, where off-the-shelf applications are accessed over the Internet.

PAAS or Platform as a Service………..

• allows users to create their own cloud applications using supplier-specific tools and languages.

• Provide environment and tools for creating new online applications.

Depending on the type of server involve IAAS comes in four categories

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