The Information Technology Infrastructure Library, or ITIL, a set of publications providing descriptive (i.e. what to do and why) guidance on IT service management. ITIL is the de facto standard framework for IT Service Management best practices. ITIL defines overall IT Service Management as ten core processes that separate into two major functional groups – one for IT Service Delivery and one for IT Service Support.

Pink Elephant – Benefits of ITIL
Service Delivery
- The management of IT services involving a number of management practices to ensure that IT services and levels are provided.
Service Support
- The practice of those disciplines that enable IT Services to be provided effectively.
ITIL describes how these practices are related to wider business issues.
Ten fundamental processes of IT operations
- Service Delivery
- Availability Management
- Capacity Management
- Financial Management
- Service Level Management
- Continuity Management
- Service Support
- Incident Management
- Problem Management
- Change Management
- Configuration Management
- Release Management