Capacity Management (ITILv3):    [Service Design] The Process responsible for ensuring that the Capacity of IT Services and the IT Infrastructure is able to deliver agreed Service Level Targets in a Cost Effective and timely manner. Capacity Management considers all Resources required to deliver the IT Service, and plans for short, medium and long-term Business Requirements.

See also: TBD

Capacity Management (ITILv2):    The Service Management process tasked with defining the business's requirements for IT capacity, in both business and technical terms, and understanding and presenting the consequences of delivering those volumes of activities through the IT infrastructure at the right time and at optimal cost.

See also: Service Delivery, Capacity, Capacity Management Database, Capacity Plan, Capacity Planning

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