What about ITIL, Information Technology Infrastructure Library ?
ITIL was started in 1980s.
ITIL Version 2 came along in 2000-2002
Still Large and complex
Talks about what you should do
ITIL Version 3 in 2007
Much simplified and rationalized to 5 books
Much clearer guidance on how to provide service
Easier, more modular accreditation paths
Keeps tactical and operational guidance
Gives more prominence to strategic ITIL guidance relevant to senior staff
Aligned with ISO20000 standard for service management