XaaS (anything as a service)

XaaS is a collective term that stands for a number of things including X as a service, anything as a service or everything as a service. The acronym refers to any of an increasing number of services provided over the Internet that have been traditionally provided locally.

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 first published in August 2010

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