I would suggest: Define what you regard as a 'True' Emergency Change: e.g. as a result of either Service Loss, Imminent Service Loss, Possible Service Loss, Unacceptable Service Degradation, Security Vulnerability. Then measure the 'true' value of these over the last 12 months and work like hell to ...

It could be done but I wouldn't recommend it if you have the budget. They really are full time jobs if you want to perform them optimally.

Size of User Base Size of Organization Number of Ongoing Projects Rate of business change Business cycles (year end etc) Urgency of changes Quality of change planning State of infrastructure components Backlog of RFCs Time set aside for each CAB Number of of documented standard changes as % of overa...