ITIL is a framework for efficient IT service management.
It originated in the late 1980s and has evolved over time.
ITIL emphasizes five key stages of the IT service lifecycle.
Components include processes, functions, and roles.
Benefits include improved service quality and cost reduction.
ITIL certification offers professional validation and career advancement.
Challenges may include resistance to change and integration issues.
Best practices involve executive support and continuous improvement.
Real-world examples demonstrate successful ITIL implementations.
Future trends include AI integration and agile methodologies.
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