Five stages documented in five volumes, forming the ITIL core
Service Strategy, Service Design, Service Transition, Service Operation and Continual Service Improvement
Tracks a service from inception to retirement
Service Strategy is the hub that drives the lifecycle
CSI looks for improvements in all stages.
The core is supplemented by complementary guidance, specific to industry sectors, organisation types, operating models and technology architectures.
What a service provider needs to do to support its customer
A strategy to support business outcomes
Plans, patterns, position and perspective for service provider behaviour. Objectives include understanding:
What strategy is, what services are, who customers...