Software as a Service (SaaS) web hosting service is a software distribution model in which the applications are hosted by a vendor or web hosting service provider.

*SaaS web hosting service model is closely related to the ASP (application service provider) and On Demand Computing software delivery models.
*Software as a Service (SaaS) is the most effective and efficient method for distributing the high-tech technology.
*SaaS as a term is generally associated with business software. The SaaS web hosting service is usually thought of as an inexpensive way for the business organizations to acquire the same benefits of commercially licensed and internally operated software; but without the associated complications and high initial costs.
*With the growing acceptance of the Software as a Service (SaaS) model, there are many storage software vendors that are moving to gain a foothold in this up-and-coming market.
*The SaaS application delivery model has established its roots in the HR, CRM, billing, and teamwork application markets.