What is the primary focus of component capacity management?

This describes service capacity management, which tracks performance and utilization at the individual IT service level rather than the underlying infrastructure components.

Reviewing supplier agreements and underpinning contracts is a function of supplier management, not a sub-process of capacity management.

Component capacity management is the sub-process responsible for managing, controlling, and predicting the end-to-end performance and capacity of the live IT infrastructure. It ensures individual technology items operate within agreed thresholds and that component-level capacity issues are identified and resolved before they degrade service delivery.

Quantifying and planning future business IT requirements describes business capacity management, which translates anticipated business demand into IT capacity plans.