Device for controlling access between atm networks

Details Device for controlling access between atm networks Device for controlling access between atm networks

H - Electricity

04

L

H04L 12/56 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2417198

The invention concerns an access control device comprising signalling analysis means (4) and traffic analysis means (20, 21) connected to an ATM switch (3) configured to cause ATM signalling messages exchanged between internal and external ATM networks to pass through the analysing means, and to cause traffic carrying ATM cells exchanged between the internal and external networks in the context of ATM connections set up by means of said ATM signalling messages to pass through the traffic analysing means. Control access management means (7) dynamically configure the traffic analysing means (20, 21) according to an access control policy and data collected by the signalling analysing means (4) so that the traffic analysis means filter each ATM cell in conformity with the control access policy.

Le dispositif de contrôle d'accès comprend des moyens d'analyse de signalisation (4) et des moyens d'analyse de trafic (20, 21) reliés à un commutateur ATM (3) configuré pour faire transiter par les moyens d'analyse de signalisation des messages de signalisation ATM échangés entre des réseaux ATM interne et externe, et pour faire transiter par les moyens d'analyse de trafic des cellules ATM porteuses de trafic échangées entre les réseaux interne et externe dans le cadre de connexions ATM établies au moyen desdits messages de signalisation ATM des moyens de gestion des contrôle d'accès (7) configurent dynamiquement les moyens d'analyse de trafic (20, 21) en fonction d'une politique de contrôle d'accès et d'informations recueilles par les moyens d'analyse de signalisation (4) de façon que les moyens d'analyse de trafic filtrent chaque cellule ATM conformément à la politique de contrôle d'accès.

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