Nortel Networks Corporation

Anthony L Mar

Allan Sand

Robert Paterson

The present invention provides a novel system and method for designing a network. The system is preferably a computer operable to allow a user to input the nodes and links of a network, and to input product information associated with the nodes and links. The computer also stores product-reliability models corresponding to the hardware information. The computer is operable to perform operations that consider the nodes, links, product models to determine a set of reliability performance parameters. The computer can be further operable to vary certain reliability parameters to determine the impact from the perspective of an end-user or other type of network client. One method can include the collection of desired client requirements from the end-user and designing various network configurations to conform with the desired client requirements. Thus, the present invention can be used, and to optimize network designs. Another application is to incorporate the tool in network management product to be used to build or enhance existing networks. This function could be both static as well as dynamic. Thus, the present invention can also be used for other purposes such as modifying, monitoring or optimising existing networks.

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Gloucester, Canada

Anthony L Mar