3com Corporation

Neil William Gray

David James Stevenson

Robert Duncan

Alastair Hugh Chisholm

Andrew Hunter Gray

Ronan François Daniel Grandin

Ronan Fran&ccedil;ois Daniel Grandin

A network management apparatus and method for identifying an event which is indicative of the underlying cause of more than one of a plurality of events detected by a network management station on a network is described in which the management station has knowledge of the topology of the network. Using the topology of the network, the apparatus and method considers the location of the network device causing each event in the plurality of events, and determines as the causal event, the event which has occurred at a location closest to the network management station. The method is preferably implemented in the form of a computer program.

Network management apparatus and method for identifying causal events on a network

A network management apparatus and method for determining an optimum threshold value for a monitored characteristic of a network is described. The optimum threshold value is determined by counting a number of previously received events generated from values for a monitored characteristic which were above or below an existing threshold value for the monitored characteristic, and determining the optimum threshold value in dependence on the counted number. An optimum threshold value is provided, which is tailored to suit the network concerned.

Apparatus and method for providing improved stress thresholds in network management systems

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Livingston, United Kingdom

Neil William Gray