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Annotated Typology of Distributed Network Management Paradigms

Over the past few years, network management has steadily evolved from a centralized model, where all the management processing takes place on a single network management station, to distributed models, where management is distributed over a number, potentially large, of nodes. Among distributed models, one, the weakly distributed hierarchical model, has been around for several years, whereas a flurry of new ones, based on mobile code, distributed objects or cooperative agents, have only recently emerged. Which of these techniques will eventually win ? Will several ones have to coexist ? How do they compare to each other ? In order to provide a framework to analyze these issues, this paper presents a comprehensive typology of all network management paradigms known to date, whether they have been successfully implemented already or whether they are still confined to the research community. By comparing these models with those used in another research field, enterprise management, we delineate a common trend of evolution, and attempt to predict what the future holds for network management.

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