ITIL®, is a set of globally-adopted IT Service Management (ITSM) best practise guidance on how to manage IT infrastructure to streamline IT services in line with business expectations. With some 5 million certified professionals, ITIL is the most widely used framework in the world.
ITIL 4 builds on previous versions of ITIL by introducing the SVS (service value system), which is supported by seven guiding principles, aligned with agile, DevOps and lean methodologies.