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ITIL

"the key to managing IT services"

ITIL information and resources are listed at www.itil-officialsite.com.

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What is it? / How does it work?

ITIL describes the management and delivery of IT Services in the context of the lifecycle of those services.

The hub of the ITIL core is Service Strategy, which has input to all lifecycle stages. The cycle of lifecycle stages is Design / Transition / Operation and Continual Improvement is wrapped around it all.

The organization of the ITIL material reflects the Deming Plan-Do-Check-Act cycle, but note there is not always a linear relationship between stages, as there are many links between one stage and another.

People familiar with version 2 of ITIL often express concern about the processes, which are at the core of version 2. Version 3 still has the processes, many of which span more than one lifecycle stage. Where this happens, each process has a home in the lifecycle stage book where it is most active. You can think of processes as orthogonal to the stages. The lifecycle approach gives an improved, holistic structure within which to describe all the functions, processes, roles and responsibilities that constitute IT Service Management Best Practice.

The focus of ITIL today is integration of IT into the business, assuring the delivery of business value and the treatment of services as business assets. ITIL describes the life of a service from conception to retirement, within a Service Portfolio. The earlier part of the portfolio is the Service Pipeline, which is all the services in planning and development, and the later part the familiar Service Catalogue, which contains the services in use or being offered for use.

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