Definition

XaaS (anything as a service)

What is XaaS (anything as a service)?

XaaS is a collective term said to stand for a number of things including "X as a service," "anything as a service" or "everything as a service." The acronym refers to an increasing number of services that are delivered over the Internet rather than provided locally or on-site. XaaS is the essence of cloud computing.

The most common examples of XaaS are Software as a Service (SaaS), Infrastructure as a Service (IaaS) and Platform as a Service (PaaS). The combined use of these three is sometimes referred to as the SPI model (SaaS, PaaS, IaaS). Other examples of XaaS include storage as a service (SaaS), communications as a service (CaaS), network as a service (NaaS) and monitoring as a service (MaaS).

Following the convention of pronouncing "SaaS" as "sass," "XaaS" is sometimes pronounced as "zass."

This was last updated in August 2010

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Wouldn't it be easier and to take all of these 'aaS' acronyms and just call them 'aaSS', meaning "as a Service System". I have seen a lot of people in the IOT community using 'aaSS' recently instead of detailing every acronym; IaaS, HaaS, SaaS, EaaS (emulation). Since all of this is fairly new everyone is trying to coin a phrase, but aaSS is the one that makes the most sense across the board.
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