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ITIL Foundation: Types of Services

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At this point, in your journey towards becoming ITIL foundation certified, you are aware of the IT service.

There is more to it than it meets the eye. IT service has three different components that make it complete.

The three different types of IT services are:

  1. Core Service
  2. Enabling Services
  3. Enhancing Services

Core Service

The core service delivers the basic outcomes that the customers expect. For example, e-mail service is your core service as it allows customers to send and receive emails.

The customers see the value in the core service and the price they are willing to pay is solely dependent on it.

Enabling Services

Let’s say that for your e-mail service to function, you need to have certain other services in place such as your infrastructure services for setting up servers, networks and other associated components. The services that are needed to deliver your core service are the enabling services.

The customer may or may not see the enabling services, perhaps they don’t even exist in the eyes of the customer. But that doesn’t mean that they are not needed, right?

Enhancing Services

The services that are added into the core service to make it more enticing to the customer are the enhancing services. In the e-mail service that is delivered to the customer, you can add on a number of exciting features such as address book lookup, recalling emails or detection and segregation of spam.

The add-on services are not mandatory for the core service to function, but it adds value to the overall service.

From the customer’s perspective, all the enhancing services put together along with the core service differentiate one service provider from another, and could be the deal broker for signing on services.


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Abhinav Kaiser
Abhinav Kaiser is an author and a management consultant. He has authored Reinventing ITIL in the Age of DevOps, Become ITIL Foundation Certified in 7 Days and Workshop in a Box: Communication for IT Professionals. He works as an agile/devops coach in one of the top consulting firms. He advises businesses, organizations and enterprises in the areas of DevOps, IT service management and agile project management frameworks.

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