The IT Infrastructure Library originated as a collection of books each covering a specific practice within IT Service Management. Guidelines for smaller IT units, not included in the original eight publications: has recently been supplemented. Many ITIL-certified consultants and trainers have set up business for themsleves to assist companies to implement these best practices.
Configuration management contains current, accurate, and comprehensive information about all components of the IT infrastructure. PRINCE2 is a process-driven project management method which contrasts with reactive/adaptive methods such as Scrum. Free ITIL Papers The overall approach to be taken is decided and the next stage of the project is planned.
These disciplines are less well understood than those of Service Management and therefore often some of their content is believed to be covered 'by implication' in Service Management disciplines. Service Level Management ensures that arrangements are in place with internal IT Support Providers and external suppliers in the form of Operational Level Agreements (OLAs) and Underpinning Contracts (UCs).
An operating system image can also contains specific applications.
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