Information Modeling is an important aspect of software systems and has been use d in various fields of information technology over the years. Its importance has become greater with the advent of object-oriented systems during the last decad e. Object-oriented information modeling aims to provide an abstract view of a sy stem in terms of the constituent objects and their relationships. In the world o f system, network and service management, management information modeling has si milar requirements as in other fields of information science but faces stronger restrictions due to the nature of the problem domain. Special information modeli ng techniques, notations and methodologies have been developed, leading to a man agement-specific approach which we will term Management Information Model Engineering.