The Information Technology Infrastructure Library (ITIL) is a set of detailed practices for IT activities such as IT service management (ITSM) and IT asset management (ITAM) that focus on aligning IT services with the needs of business.
ITIL describes processes, procedures, tasks, and checklists which are neither organization-specific nor technology-specific, but can be applied by an organization toward strategy, delivering value, and maintaining a minimum level of competency. It allows the organization to establish a baseline from which it can plan, implement, and measure. It is used to demonstrate compliance and to measure improvement. There is no formal independent third party compliance assessment available for ITIL compliance in an organization. Certification in ITIL is only available to individuals. Since 2013, ITIL has been owned by AXELOS, a joint venture between Capita and the UK Cabinet Office.
Responding to growing dependence on IT, the UK Government's Central Computer and Telecommunications Agency (CCTA) in the 1980s developed a set of recommendations designed to standardise IT management practices across government functions, built around a process model-based view of controlling and managing operations often credited to W. Edwards Deming and his plan-do-check-act (PDCA) cycle.
- In April 2001, the CCTA was merged into the Office of Government Commerce (OGC), an office of the UK Treasury.
- In 2006, the ITIL Version 2 glossary was published.
- In May 2007, this organization issued ITIL Version 3 (also known as the ITIL Refresh Project) consisting of 26 processes and functions, now grouped into only 5 volumes, arranged around the concept of Service lifecycle structure. ITIL Version 3 is now known as ITIL 2007 Edition.
- In 2009, the OGC officially announced that ITIL Version 2 certification would be withdrawn and launched a major consultation as per how to proceed.
- ITIL version 4 was launched in February 2019. The main changes were: to consider end-end Service Management from holistic and value-centric perspectives, to align with philosophies such as Agile, DevOps and Lean, and to reduce the emphasis on IT Service Management in favour of general Service Management.
- Application Services Library – A similar framework for application management
- Business Information Services Library (BiSL) – A similar framework for information management and functional management
- ISO/IEC 20000 – An international standard for IT service management
- Tudor IT Process Assessment – An framework for assessment of IT service management maturity
- "it-infrastructure-library". www.ibm.com. Retrieved 21 April 2021.
- White, Sarah K.; Greiner, Lynn (18 January 2019). "What is ITIL? Your guide to the IT Infrastructure Library". CIO.
- David Clifford; Jan van Bon (2008). Implementing ISO/IEC 20000 Certification: The Roadmap. ITSM Library. Van Haren Publishing. ISBN 978-90-8753-082-2.
- "OGC - - CCTA Re-direct Page". Office of Government Commerce (UK). 1 April 2003. Archived from the original on 22 April 2005. Retrieved 5 May 2005.
- "OGC - ITIL". Office of Government Commerce (UK). 13 July 2009. Archived from the original on 9 September 2009. Retrieved 19 August 2009.
- "ITIL 4". IT Process WIki. Retrieved 11 February 2022.
- Marrone, Mauricio; Kolbe, Lutz M. (15 January 2011). "Impact of IT Service Management Frameworks on the IT Organization". Business & Information Systems Engineering. 3 (1): 5–18. doi:10.1007/s12599-010-0141-5. ISSN 1867-0202.
- Pollard, Carol; Cater-Steel, Aileen (14 April 2009). "Justifications, Strategies, and Critical Success Factors in Successful ITIL Implementations in U.S. and Australian Companies: An Exploratory Study". Information Systems Management. 26 (2): 164–175. CiteSeerX 10.1.1.631.8883. doi:10.1080/10580530902797540. ISSN 1058-0530. S2CID 14096708.
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