Which practice includes conducting regular reviews to ensure that services are still appropriate and relevant?

The service level management practice defines, documents and manages the service levels of all the services and products. Service level management should provide the end to end visibility of all the organizational services. Service level management has to establish and provide the service views with service level target ensure meeting defined service levels by collecting, analyzing, storing and reporting all the defined target metrics of the services regularly (periodically) perform the service reviews and ensure the services meet the organization’s needs continuously identify, capture, review & report the issues related to services, its performance against the defined service targets.