| 摘要 |
A communications network, eg a distributed network, comprises a plurality of distributed physical resources in the form of components, assemblies of components 604, and systems based on components and composites. A network management system of such a network comprises an application level 600 which represents the functionality of a plurality of different composite s being hardware and/or software components of different proprietary manufacture and different function capability, and an implementation level 601 which impleme nts control of the composites. The application level is sub-divided into a plura lity of application level elements each of which correspond to a function capability of a composite or system, a system being a highest level of composite. The implementation level is sub-divided into a plurality of implementation level elements each of which represents a system, a composite or a component. The internal structure of the elements within the application controller and implementation level corresponds to internal architectures of the systems an d composites.
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