This Recommendation is one of a series of Recommendations of the Telecommunications Management Network (TMN), providing specifications of TMN management functions and TMN management function sets. The content is developed in support of Task Information Base B (Roles, resources and functions), associated with Task 2 (Describe TMN management context) in the TMN interface specification methodology specified in ITU-T M.3020. When performing the analysis of TMN management context, it is desirable to consider maximal use of the TMN management function sets available in this Recommendation.