The Information Technology Infrastructure Library (ITIL) is a set of concepts and techniques for managing information technology (IT) infrastructure, development, and operations.
ITIL is published in a series of books, each of which cover an IT management topic. The names ITIL and IT Infrastructure Library are registered trademarks of the United Kingdom's Office of Government Commerce (OGC)
ITIL VERSION 3
The current version of ITIL is version 3. This comprises five core volumes:
?Continual Service Improvement
The previous version (version 2) was replaced in May 2007.
ITIL VERSION 2
The core set of material is the following set of seven tightly coupled areas: