It includes the necessary combination of Business (and overall IS) strategy, with technical design and architecture. IT departments primarily have been self-contained entities that were focused strictly on running operating systems, mainframes, and min-computers, fixing desktop computers and maintaining other IT equipment, or developing in-house software. In the early 1990s the UK set up a scheme where onsultants were hired, processes evaluated, and the result was the creation of the Information Technology Infrastructure Library (ITIL), which was later made available to the public.
The positive aspect is that PRINCE2 can be tailored to the needs of a particular project. PRINCE2 provides a Method for managing projects within a clearly defined framework. ITIL Practitioner Agree Define A Survey called "The ITIL Experience - Has It Been Worth It", author Bruton Consultancy 2004, was published by Helpdesk Institute Europe, The Helpdesk and IT Support Show and Hornbill Software.
Service Level Management provides for continual identification, monitoring and review of the levels of IT services specified in the Service Level Agreements (SLAs). Security: A service may have associated data.
Analogous to debates in software engineering between agile and prescriptive methods, there is debate between lightweight versus heavyweight approaches to IT service management.
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