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This is the fifth book in the series of five ITIL core publications containing advice and guidance around the activities and processes associated with the five stages of the service lifecycle. The primary purpose of the continual service improvement stage of the service lifecycle is to learn from experience and to apply that learning in order to continually improve the quality of IT services and to optimize costs. Continual service improvement must permeate and become woven into every stage of the service lifecycle and into every process, function, activity, tool, supplier and member of staff. This will involve the establishment of appropriate monitoring, measurement, analysis, reporting and implementation of corrective actions to ensure that the IT.
