This Recommendation defines the requirements for managing service platforms used to introduce new service types (e.g., multimedia service) in NGN. The management functions include monitoring and controlling service support applications and services supported by service platforms. The purpose of this Recommendation is to provide a standardized interface to manage these services and service support applications. It is out of the scope of this Recommendation to manage the resources based on which the services are provided. Management of service instances is out of the scope of this Recommendation.