(1) The control of information necessary to identify both physical and logical information systems and their relationship to one another.
(2) A supporting process whose purpose is to identify, define, and baseline items; control modifications and releases of these items; report and record status of the items and modification requests; ensure completeness, consistency and correctness of the items; and control storage, handling and delivery of the items. See also configuration.
(3) The process of planning for, identifying, controlling, and verifying the configuration items within a service, recording and reporting their status and, in support of change management, assessing the potential impact of changing those items.