Atm network switch having enhanced call setup capability

Details Atm network switch having enhanced call setup capability Atm network switch having enhanced call setup capability

H - Electricity

04

L

H04L 12/56 (2006.01)

Patent

CA 2230233

An ATM network switch (100) includes a plurality of slot controllers (112a-h) each coupled to a switch fabric (114) and an external link (116a-h). In addition, each slot controller (112a-h) is coupled to a system controller (122) via a LAN (120). A processor of each slot controller (112a-h) is programmed to forward Q.2931 messages to the system controller (122) via the LAN (120) and to receive information from the system controller (122) via the LAN (120). The system controller (122) is programmed to interpret the Q.2931 messages, update the routing tables of the slot controllers (112a-h) via the LAN (120), and forward a packet containing the Q.2931 messages to an appropriate slot controller (112a-h) via the LAN (120) whereafter the slot controller (112a-h) assembles ATM cells containing the Q.2931 messages for transmission.

Un commutateur de réseau ATM (100) comprend une pluralité de contrôleurs de fente (112a-h), dont chacun est couplé à un tissu de commutateur (114) et à une liaison externe (116a-h), ainsi qu'à un contrôleur de système (122) via un RLE (120). Chaque contrôleur de fente (112a-h) comporte un processeur programmé pour envoyer des messages Q.2931 au contrôleur de système (122) via le RLE (120) et pour recevoir des informations du contrôleur de système (122) via le réseau local (120). Le contrôleur de système (122) est programmé pour interpréter les messages Q.2931, mettre à jour les tables de routage des contrôleurs de fente (112a-h) via le RLE (120) et transmettre un paquet contenant les messages Q. 2931 à un contrôleur de fente (112a-h) approprié via le RLE (120). Ensuite, le contrôleur de fente (112a-h) rassemble les cellules ATM contenant les messages Q. 2931 pour les transmettre.

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