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Survive the future of IT: Episode VIII - IT as a service

Strategic choices will lead to “make” or “buy” solutions for projects/programs. However, one needs to think also about the maintenance/evolution of the technology in the long run. Many models have been created to outsource part of your operations.


XaaS is an umbrella term that can be explained in different ways. It can be:

· "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).


Companies should concentrate on their Core business and all supporting items can be handled by third parties in a “Service” model. But this doesn’t mean that you are no longer responsible for the service. A governance structure is required to be set-up to follow-up the Service Levels and to manage your vendor(s).


Service-Oriented working has a huge impact on your staff, shifting towards Delivery Partner managers and controllers. Management of Change as part of Transformation Programs are key to success.