ITIL v3, introduced in 2007, is a globally recognized framework for IT Service Management (ITSM). It emphasizes aligning IT services with business needs and introduces a lifecycle approach to service management. The framework is structured around five core publications:
Service Strategy: Focuses on defining the perspective, position, plans, and patterns that a service provider needs to execute to meet business outcomes.
Service Design: Provides guidance on the design and development of services and service management processes.
Service Transition: Covers the transition of services into the live environment, ensuring that changes are carried out smoothly and efficiently.
Service Operation: Deals with the effective and efficient delivery and support of services, ensuring value to the customer and the service provider.
Continual Service Improvement (CSI): Focuses on aligning and realigning IT services to changing business needs by identifying and implementing improvements to IT services.
Wikipedia - ITIL: Provides a detailed history and overview of ITIL, including its versions and evolution.
Freshworks - What is ITIL v3: Offers insights into the framework and best practices associated with ITIL v3.
Fortra - ITIL Version 3 Overview: Discusses the structured, scalable best practices and processes that organizations can adopt from ITIL v3.