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Software as a Service (SaaS)

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Software as a Service (SaaS) is a form of cloud computing that delivers software functionality over a network, usually the internet.

  • The software is running on a server(s) in a data center not physically in the same location as the user - it can be anywhere on the planet
  • The user accesses the software using a network connection to the server. Again, the user can be anywhere on the planet and as long as they have a network connection to the server they can use the software's functionality


Software as a Service (SaaS) Model
Source: Software Design with Dustin

Wikipedia defines SaaS as follows: Software as a Service (SaaS; pronounced /sæs/) is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted.[1]

Critique:

  • Saas is a delivery model
  • This delivery model can be priced any of a thousand ways without affecting the model itself
  • Hence, the inclusion of licensing in the definition of Saas is superfluous


See Also

Cloud Computing
Infrastructure as a Service
Platform as a Service


References

  1. ↑ Defining SaaS wikipedia
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