An application service provider (ASP) is a business providing application software generally through the Web.[1] ASPs that specialize in a particular application (such as a medical billing program) may be referred to as providing software as a service.

The ASP model

The application software resides on the vendor's system and is accessed by users through a communication protocol. Alternatively, the vendor may provide special purpose client software. Client software may interface with these systems through an application programming interface.

ASP characteristics include:

The advantages to this approach include:

The disadvantages include:

See also


  1. ^ "Upstarts: ASPs, ASPs Article". 2000-04-01. Retrieved 2022-06-14. An ASP hosts software applications, which its customers access over the Web instead of running them on their own computers.
  2. ^ a b c d e f g h i Stair, Ralph M. (2003). Principles of Information Systems, Sixth Edition. Thomson. p. 149. ISBN 0-619-06489-7.