What is On-demand computing in Cloud Computing?

On-demand Computing is thelatestmodelin enterprisesystems. It is related to Cloud computing. Itmeans IT resourcescan be provided on
demand by a Cloud provider.

In an enterprisesystemdemand forcomputing resources varies fromtimeto time. In such ascenario, On-demand computingmakes surethat
serversand IT resourcesare provisioned to handletheincrease/decreasein demand.

Acloud provider maintainsa poll ofresources. The pool ofresourcescontains networks, servers, storage,applicationsand services. This poolcan

servethe varying demand ofresourcesand computing by variousenterpriseclients.

Thereare many concepts like- grid computing, utility computing,autonomiccomputing etc. thataresimilar to on-demand computing.

This is the most popular trend in computingmodelas of now.