This Recommendation | International Standard defines a Systems Management Function that may be used by an application process in a centralised or decentralised management environment to interact for the purpose of systems management, as defined by CCITT Rec. X.7001 ISO/IEC 7498-4. This Recommendation | International Standard defines a function which consists of generic definitions, services and functional units. This function is positioned in the application layer of ITU-T Rec. X.200 | ISO/IEC 7498-1 and is defined according to the model provided by ITU-T Rec. X.207 | ISO/IEC 9545. The role of systems management functions is described by CCITT Rec. X.701 | ISO/IEC 10040.