CHAPTER 3: THE SERVICE LIFECYCLE
ITIL is based around a service lifecycle with five phases, which has been documented as five core volumes. These cover a service’s life from start to finish, from conception through to ongoing improvement. These five volumes are referred to as the core of ITIL, and they provide high-level guidance and process information across the complete service lifecycle. The volumes are:
- Service Strategy
- Service Design
- Service Transition
- Service Operation
- Continual Service Improvement.
The core is also supplemented by another series of books known as complementary guidance. The complementary publications provide further ...