The Capacity Management of ITIL® is only one of the five components of the Service Delivery area of ITIL®. The nature of the work is not reactive but rather it is proactive. It is responsible for ensuring that the needs of the business and the definition of the services are fulfilled using the minimum measurement of the resources. The process of Capacity Management involves monitoring, tuning, analyzing and implementing the changes necessary in the utilization of the resources. It also involves managing the demand for the measurement of resources which requires the understanding of the priorities of the business. Modeling is a process of Capacity Management used for the simulation of the performance of the infrastructure and to know the future needs of the resources.

The measurement of applications should be understood to make sure that the service levels required are met by the company, this is also a process involved in the ITIL® management of capacity for any organization.
 The company is required to produce a capacity plan documented with all the current utilization and future requirements as well as the cost of the new releases and new applications. There is also a need for the organization as a part of their capacity process to make an annual growth plan for its infrastructure with all the inputs coming from other teams within the organization.

The need for the implementation of Capacity Management in an organization is very important since ITIL® capacity management gives a fast and early wins that generated cost savings that can eventually be used for future ITIL® projects of the particular company. The benefits of Capacity Management make it a good candidate as the first implementation in the Service Delivery area of ITIL®.


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