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The ITIL® Service Lifecycle

The IT Infrastructure Library®, or ITIL®, revolves around a Service Lifecycle comprised of five stages: Service Strategy, Service Design, Service Transition, Service Operation and Continual Service Improvement.

Service Strategy marks the start of the Service Lifecycle. It involves understanding the identity and needs of the customers, the offerings required to meet their demands, the IT services and resources needed to build the offerings, and the prerequisites for an effective implementation. IT must continually assure that cost of delivery remains consistent with the value delivered to customers.

Service Design ensures the effective design of new and modified services to meet customer demands and expectations. Both the architecture and technology necessary to meet customer needs cost-effectively and the processes required to handle services are vital for Service Design. Service Management systems and tools required to check, track, observe and support new or modified services as well as mechanisms to measure and evaluate process efficiency, service levels and effectiveness are important.

The Service Transition stage develops, prepares, tests, and moves the design for production and ensures reaching the customer’s demands. This part of the Service Lifecycle addresses management of changes, control of assets and Configuration Items – hardware, software, etc. – related to new and modified services, validation and testing of services, and transition planning to ensure the business provides support for its staff and prepares the production environment.

After the changeover, Service Operation delivers the service regularly to supervise day-to-day overall operation, which includes quick restoration after service disruptions, finding root causes and spotting trends connected with recurring issues, dealing with daily user requests and Access Management.

Continual Service Improvement wraps up the Service Lifecycle. It offers a tool for IT to assess and amend service levels, the technology, and the efficiency of processes used in overall IT Service Management.

For more thorough information about the ITIL Service Lifecycle, visit Ashford Global IT.

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