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Publication
IEEE Transactions on Communications
Paper
Alarm Correlation and Fault Identification in Communication Networks
Abstract
We present an approach for modeling and solving the problem of fault identification and alarm coreelation in large communication networks, A single fault In a large network may result in a large number of alarms, and it is often very difficult to isolate the true cause of the fault. This appears to be one of the most important difficulties in managing faults in today's networks. The problem may become worse in the case of multiple faults. In this paper we present a general methodology for solving the alarm correlation and fault identification problem. We propose a new alarm structure, propose a general model for representing the network, and give two algorithms which can solve the alarm correlation and fault identification problem in the presence of multiple faults. These algorithms differ in the degree of accuracy achieved in identifying the fault, and in the degree of complexity required for implementation. © 1994 IEEE.