Method for controlling traffic in a communication network

H - Electricity – 04 – Q

Patent

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Details

H04Q 3/66 (2006.01) H04M 3/22 (2006.01) H04M 3/36 (2006.01) H04Q 3/00 (2006.01)

Patent

CA 2138278

In a telecommunications network, such as the public switched telephone network, account must be taken of faults which can occur in the network. For instance, on occurrence of a local exchange failure, it is known to apply control such as route gapping and code blocking. The invention is concerned with detection of failure of a local exchange (116, 118) in a communications network. It relies on a combination of parameters, each parameter in the combination having to meet predetermined criteria. In particular, a local exchange failure is recognised when the average value of the All Circuits Engaged (ACE) parameters over all traffic routes into a local exchange rises in a significant manner and the average value of the Circuits in Service (CCTS IS) parameters over all traffic routes into that exchange decreases in a significant manner.

Dans un réseau de télécommunications, comme le réseau téléphonique commuté public, il faut tenir compte des défaillances qui peuvent se produire dans le réseau. Par exemple, lorsque se produit une défaillance à un centre local, on applique des commandes comme l'espacement des routes et le blocage d'indicatifs. L'invention a pour objet la détection des défaillances d'un centre local (116, 118) dans un réseau de communications. Elle s'appuie sur une combinaison de paramètres, chaque paramètre de la combinaison devant satisfaire à des critères prédéterminés. On reconnaît en particulier une défaillance de centre local lorsque la valeur moyenne des paramètres «tous les circuits occupés» (ACE) sur toutes les routes de trafic vers un centre local augmente de façon importante et que la valeur moyenne des paramètres «circuits en service» (CCTS IS) sur toutes les routes de trafic vers ce centre diminue de façon importante.

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