Method for establishing a route via a communications network

Details Method for establishing a route via a communications network Method for establishing a route via a communications network

H - Electricity

04

Q

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

Patent

CA 2336317

A connection message (R) originating from a source terminal (U-KE) is sent to a network node (NK) of the communications network (ATM-KN). A network node (NK) which receives the connection message (R) enters its allocated network node address (L3-NK) in the communications network (ATM-KN) and passes the connection message (R) on to at least one adjacent network node (NK). When the connection message (R) is received by the destination terminal (Z-KN), a confirmation message (E) is sent back to the source terminal (U-KE) on the determined route (LW) and the switching information is stored in the network nodes (NK) used for a subsequent message transmission.

Selon l'invention, à partir d'un terminal source (U-KE), un message d'établissement de liaison (R) est transmis à un noeud de réseau (NK) du réseau de communication (ATM-KN). Un noeud de réseau recevant le message d'établissement de liaison (R) enregistre l'adresse du noeud de réseau (L3-NK) qui lui est affectée dans le réseau de communication (ATM-KN) et transmet le message d'établissement de liaison (R) à au moins un noeud de réseau (NK) voisin. Lors de la réception du message d'établissement de liaison (R) par un terminal cible (Z-KN), un message d'accusé de réception (E) est envoyé en retour, sur la voie (LW) déterminée, au terminal d'origine (U-KE), une information de commutation étant, dans les noeuds de réseau (NK) parcourus, mémorisée pour une transmission de message subséquente.

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