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Capacity PlanningDuring Service Design and Service Transition, the capacity requirements of IT services are calculated. A forward-looking capacity plan should be maintained and regularly updated and Service Operation will have a role to play in this. Such a plan should look forward up to two years or more, but should be reviewed regularly every three to 12 months, depending upon volatility and resources available. The plan should be linked to the organization’s financial planning cycle, so that any required expenditure for infrastructure upgrades, enhancements or additions can be included in budget estimates and approved in advance. The plan should predict the future but must also examine and report upon previous predictions, particularly to give some confidence in further predictions. Where any discrepancies have been encountered, these should be explained and future remedial action described. The Capacity Plan might typically cover:
Date: 2014-12-29; view: 1046
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