Event correlation in telecommunications networks

H - Electricity – 04 – L

Patent

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Details

H04L 12/24 (2006.01) H04L 12/26 (2006.01) H04L 12/28 (2006.01) H04Q 3/00 (2006.01)

Patent

CA 2156427

A complex system, e.g. a telecommunications network, is monitored for fault conditions. In order to correlate the alarms to establish which alarms (e.g. 31, 32, 33) have a common cause, a logical connectivity model is used in which a logical property is transferred between related logical elements (e.g. 41, 52) in response to the element (41) being alarmed. If as a result of such transfer the value of the logical property exceeds a threshold value for any element (61) a correlation is established and the element (61) highlighted (72) as the probable cause of the alarms.

On surveille un système complexe, par exemple un réseau de télécommunications, afin d'y détecter des conditions défectueuses afin de corréler les alarmes et de déterminer quelles alarmes, par exemple (31), (32), (33), ont été déclenchées par une cause commune, un modèle de connectivité logique est utilisé, dans lequel une caractéristique logique est transférée entre des éléments logiques associés (par exemple 41, 52) en réponse à une alarme déclenchée sur l'élément (41). Si, en conséquence d'un tel transfert, la valeur de la caractéristique logique dépasse une valeur seuil pour l'un ou l'autre des éléments (61), une corrélation est établie et l'élément (61) est indiqué (72) comme étant la cause probable du déclenchement des alarmes.

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