Software As A Service Saas Delivery Model. In this web-based model software vendors host and maintain the servers databases and the code that makes up an application. Software as a service SaaS is a software delivery model licensed by subscription and centrally hosted.
What Is Software as a Service SaaS. Software as a Service also known as SaaS is a software delivery model that allows users to connect to and use cloud-based applications over the Internet. One of the fundamental types of cloud computing model is SaaS together with platform as a service PaaS and infrastructure as a service IaaS.
Those applications are easily accessible through a simple interface such as a web browser as a service.
SaaS is one of three main categories of cloud computing alongside infrastructure as a service and platform as a service IaaS and PaaS. Software as a Service SaaS is defined as a software delivery model where the application is hosted by the third-party provider and makes the application accessible to the clients over the Internet. It is sometimes referred to as on-demand software and was formerly referred to as software plus services by Microsoft. SaaS utilizes the internet to deliver applications which are managed by a third-party vendor to its users.