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'''SaaS (Software as a Service)''' is also referred to as the '''Application Service Provider (ASP)''' model by the [[IDC|International Data Corporation]] (IDC), or it is sometimes called "'on-demand software"'; it enables entities to access a complete business software functionality on a cloud based application.

'''SaaS (Software as a Service)''' is originally referred as the''' Application Service Provider (ASP)''' model by the International Data Corporation ([[IDC]]) or it is sometimes called "'on-demand software"' which enables entities to access a complete business software functionality on a cloud based application.

The [[SIIA|Software & Information Industry Association]] (SIIA) defines SaaS as an "application or service deployed in a centralized data center across a network such as the Internet, Inranet, [[LAN]] or [[VPN]]".<ref>[http://www.siia.net/estore/pubs/SSB-01.pdf Software as a Service:Strategic Backgrounder]</ref> Users may be able to access the SaaS through subscription or by renting it from a vendor or service provider.

 

The Software & Information Industry Association ([[SIIA]]) defines SaaS as an ''application or service deployed in a centralized data center across a network such as the Internet, Inranet, [[LAN]] or [[VPN]].''<ref>[http://www.siia.net/estore/pubs/SSB-01.pdf Software as a Service:Strategic Backgrounder]</ref> Users maybe able to access the SaaS through subscription or by renting it from a vendor or service provider.

==Background==

==Background==