ITIL Version 3
Although ITIL was originally defined in the UK, ITIL is becoming the defacto global standard for ITSM and has strong support in the US, Europe, Asia and Australia. Although ITIL was originally created by the CCTA, a UK Government agency. it is now being adopted and used across the world as the defacto standard for best practice in the provision of IT Service.
Capacity Management supports the optimum and cost effective provision of IT services by helping organizations match their IT resources to the business demands. Change management works with ITSCM to make sure that any changes made are reflected in the recovery plan and related documents so that documentation is kept up-to-date. ITIL Version 3 In April 2001 the CCTA was merged into the Office of Government Commerce (OGC), an office of the UK Treasury.
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). A lot of people fear them but if your able go to school learn.
The operational management stage helps ensure that maintenance occurs.
ITIL Practitioner V3 Information Technology Infrastructure Library