The expansion of the Internet during the 1990s brought about a new class of centralized computing, called application service providers (ASP). Such services included offering computing power and database storage to banks and other large organizations from their worldwide data centers. Starting in that decade, IBM and other mainframe computer providers conducted a service bureau business, often referred to as time-sharing or utility computing. History Ĭentralized hosting of business applications dates back to the 1960s. SaaS has been incorporated into the strategies of nearly all enterprise software companies.
SaaS became a common delivery model for many business applications, including office software, messaging software, payroll processing software, DBMS software, management software, CAD software, development software, gamification, virtualization, accounting, collaboration, customer relationship management (CRM), management information systems (MIS), enterprise resource planning (ERP), invoicing, field service management, human resource management (HRM), talent acquisition, learning management systems, content management (CM), geographic information systems (GIS), and service desk management. SaaS apps are typically accessed by users of a web browser (a thin client). SaaS is considered to be part of cloud computing, along with infrastructure as a service (IaaS), platform as a service (PaaS), desktop as a service (DaaS), managed software as a service (MSaaS), mobile backend as a service (MBaaS), data center as a service (DCaaS), integration platform as a service (iPaaS), and information technology management as a service (ITMaaS). SaaS is also known as on-demand software, web-based software, or web-hosted software. Software as a service ( SaaS / s æ s/ ) is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted. Not to be confused with Security as a service.
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