Software As A Service Saas Definition. SaaS allows each user to access programs via the internet. Software-as-a-Service SaaS simply describes a software licensing and distribution model that accommodates an external or a third-party provider host application and makes it accessible to internet users.
Software as a service SaaS s ae s is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted. SaaS is one of three main categories of cloud computing alongside infrastructure as a service and platform as a service IaaS and PaaS. One of the most popular forms of cloud computing is software-as-a-service SaaS.
There are a few major characteristics that apply to most SaaS vendors.
Software as a service SaaS is a model for the distribution of software where customers access software over the Internet. In SaaS a service provider hosts the application at its data center and a customer accesses it via a standard web browser. SaaS applications are also sometimes called hosted applications. Software As A Service SaaS Definition.