Software as a service, sometimes referred to as "on-demand software", is a software delivery model in which software and its associated data are hosted centrally and are typically accessed by users using a thin client, normally using a web browser over the Internet.
SaaS has become a common delivery model for most business applications, including accounting, collaboration, customer relationship management (CRM), enterprise resource planning (ERP), invoicing, human resource management (HRM), content management (CMS) and service desk management. SaaS has been incorporated into the strategy of all leading enterprise software companies.
Benefits of the SaaS model include:
