Nagios -ITIL-
ITIL is built around a process-model based view of controlling and managing operations. What is now called ITIL version 1, developed under the auspices of the CCTA, was titled "Government Information Technology Infrastructure Management Methodology" (GITMM) and over several years eventually expanded to 31 volumes in a project initially directed by Peter Skinner and John Stewart at the CCTA.
Often confused with the role of Incident Management from Service Support, Operations is more technical and is concerned not solely with Incidents reported by users, but with Events generated by or recorded by the Infrastructure. APM Group have defined the concept of a PRINCE2 Maturity Model. Nagios -ITIL- The next stage should be planned and the overall project plan, risk log and business case amended as necessary.
Producing and maintaining a Service Catalog (a list of standard IT service options and agreements made available to customers) is usually necessary. IT thinking about the delivery of IT to the business) as opposed to the more academic and outward facing connotation of MIS (IT thinking about the 'information' needs of the business).
The Practitioner Level provides the skills necessary for the process owner, managers and staff members.