The Supplier Management process includes: (1) Service Design activities, to ensure that contracts will be able to support the service requirements (2) Service Operation activities, to monitor and repo

This omits Continual Improvement activities (3), which are an integral part of Supplier Management for reviewing and improving supplier performance over the long term.

Limiting Supplier Management to Service Design alone ignores the ongoing operational monitoring and continual improvement responsibilities that are explicitly part of the process.

Supplier Management includes Service Design activities (1) to ensure contracts and underpinning agreements are aligned with service requirements before deployment. It includes Service Operation activities (2) to monitor, measure, and report on supplier performance against agreed targets in live environments. It also includes Continual Improvement activities (3) to review supplier performance over time and drive improvements that ensure suppliers continue to meet evolving business needs.

This omits Service Operation activities (2), which are essential for real-time monitoring and reporting of supplier performance against contracted service levels.