Address transition and message correlation between network...

H - Electricity – 04 – L

Patent

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Details

H04L 29/06 (2006.01) H04L 12/56 (2006.01) H04Q 7/22 (2006.01)

Patent

CA 2462701

The present invention relates to a method, system and network element for providing an address transition if a connection point at one end of a connection is changed from a first network node to a second network node of a cellular network. An address information and at least one alternative address information are transmitted in a signaling message from said first network node to said second network node. One of said address information and said alternative address information is selected at the second network node and used for re-establishing said connection towards the other end of said connection. Thereby, the new point of connection is allowed to re-establish the connection towards the other end of the connection, even if it can only communicate using one of the two addresses. Furthermore, signaling messages, e.g. messages relating to charging, lawful interception, and/or customized applications, received from different network nodes can be correlated based on the alternative addresses.

L'invention concerne un procédé, un système et un élément de réseau permettant de fournir une transition d'adresse si un point de connexion à une extrémité d'une connexion est modifié pour passer d'un premier noeud de réseau à un second noeud de réseau d'un réseau cellulaire. Une information d'adresse et au moins une information d'adresse de rechange sont transmises dans un message de signalisation d'un premier noeud de réseau audit second noeud de réseau. Une desdites informations d'adresse est choisie au niveau du second noeud de réseau et utilisée pour rétablir ladite connexion vers l'autre extrémité de ladite connexion. Par conséquent, le nouveau point de connexion est autorisé à rétablir la connexion vers l'autre extrémité de la connexion, même s'il peut uniquement communiquer au moyen d'une des deux adresses. De plus, les messages de signalisation, par exemple, les messages relatifs aux tarifs, à l'interception légale et/ou aux applications personnalisées, reçus de différents noeuds de réseau peuvent être corrélés sur la base des adresses de rechange.

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