Method and apparatus for multipoint trunking

Details Method and apparatus for multipoint trunking Method and apparatus for multipoint trunking

H - Electricity

04

L

H04L 29/04 (2006.01) H04K 1/10 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2289217

Multipoint franking is effected among a plurality of network devices (20, 22, 24) connected by a trunk (10) comprising at least two physical links (12, 14, 16). A trunk control message protocol assures that message traffic may be delivered to the respective devices (20, 22, 24) over the individual links (12, 14, 16) of the trunk (10) prior to inclusion of the respective links (12, 14, 16) as active links in the trunk (10). The trunk (10) acts as a single network port (28, 30, 32) for each of the devices (20, 22, 24) and is layered over a plurality of media access control ports (38, 40, 42, 44, 46, 48, 50, 52, 54) which interface to the respective links (12, 14, 16).

L'invention a pour objet un procédé permettant d'effectuer une jonction multipoint entre plusieurs équipements de réseau (20, 22, 24) connectés par une jonction (10) qui comprend au moins deux raccordements physiques (12, 14, 16). Un protocole de messages de commande de la jonction assure l'expédition du trafic de messages aux équipements respectifs (20, 22, 24) via les raccordements individuels (12, 14, 16) de la jonction (10) avant l'inclusion des raccordements respectifs (12, 14, 16) dans la jonction (10) en tant que raccordements actifs. La jonction (10) fonctionne comme une sortie de réseau unique (28, 30, 32) pour chacun des équipements (20, 22, 24); elle est disposée en couches sur plusieurs sorties (38, 40, 42, 44, 46, 48, 50, 52, 54) de commande d'accès aux supports, lesdites sorties assurant l'interface avec les raccordements respectifs (12, 14, 16).

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