IT Infrastructure Library® (ITIL) is the most widely adopted framework for IT Service Management in the world. It is a practical approach to identifying, planning, delivering and supporting IT services to the business. It describes how IT resources should be organized to deliver business value, documenting the processes, functions and roles of IT Service Management (ITSM).
The acronym ITIL is a registered trademark of the United Kingdom’s Cabinet Office. Following this move, the ownership is now listed as being with HM Government rather than the Office of Government Commerce (OGC). The publications continue to be Crown Copyright.