ITIL: It provides guidance to an organization and individuals to use IT as a service to empower business change, transformation and improvement.
There are 4 dimensions of service managements
Organizations and People : Which type of resources provided to end user.
Information and Technology:It includes Data management, infrastructure (latest tools to support end user).
Partners and Suppliers:Which type of Services provided by other organizations. It helps to drive the value we hold.
Value streams and Processes:Requirement of new service and Type of processes we need to define to end user.
ITIL life cycle: there are 5 types
Service Strategy:how to design, develop, and implement IT Service Management
Service Design: how to design services and processes.
Service Transition:how to manage the transition of a new or changed service.
Service Operation:ensure that services are delivered and are running smoothly and reliably.
Continual Service Improvement:how to re-align IT services, as business needs change.