ISO/IEC 20000 is the first international standard for IT Service Management. It was developed in 2005, by ISO/IEC JTC1 SC7. It is based on and intended to supersede the earlier, BS 15000.
Formally: ISO/IEC 20000-1 ('part 1') "promotes the adoption of an integrated process approach to effectively deliver managed services to meet the business and customer requirements". It comprises ten sections:
- Terms & Definitions
- Planning and Implementing Service Management
- Requirements for a Management System
- Planning & Implementing New or Changed Services
- Service Delivery Processes
- Relationship Processes
- Control Processes
- Resolution Processes
- Release Process.
ISO/IEC 20000-2 ('part 2') is a 'code of practice', and describes the best practices for service management within the scope of ISO/IEC 20000-1. It comprises the same sections as 'part 1' but excludes the 'Requirements for a Management system' as no requirements are imposed by 'part 2'.
ISO/IEC 20000, like its BS 15000 predecessor, was originally developed to reflect best practice guidance contained within the ITIL (Information Technology Infrastructure Library) framework, although it equally supports other IT Service Management frameworks and approaches including Microsoft Operations Framework and components of ISACA's COBIT framework. It comprises two parts: a specification for IT Service Management and a code of practice for service management. The differentiation between ISO/IEC 20000 and BS 15000 has been addressed by Jenny Dugmore  .
The standard was first published in December 2005.
 Academic resources
- International Journal of IT Standards and Standardization Research, ISSN: 1539-3054 (internet), 1539-3062 (print), Information Resources Management Association
 See also
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: KS X ISO/IEC 20000