High-speed switched network architecture

Details High-speed switched network architecture High-speed switched network architecture

H - Electricity

04

L

H04L 12/56 (2006.01) H04L 12/46 (2006.01)

Patent

CA 2185698

In a switching system (10) wherein a multiplicity of switching nodes are interconnected with communication links, communication traffic within the network is switched according to different routing trees each associated with a switching node as the destination node (102, 106). The routing tree specifies a subset of incoming links from which each node receives the traffic and an outgoing link to which the node transfers the received traffic. Each switching node allocates time bands for implementing the different routing trees one at a time. However, non-overlapping routing trees (Fig. 11) which share no common link can be implemented at the same time to increase the traffic throughput.

L'invention concerne un système de commutation (10) où une pluralité de noeuds de commutation sont interconnectés avec des liaisons de communication. Les communications à l'intérieur du réseau sont commutées en fonction de différents arbres d'acheminement associés chacun avec un noeud de commutation constituant le noeud de destination (102, 106). L'arbre d'acheminement définit un sous-ensemble de liaisons d'arrivée à partir desquelles chaque noeud reçoit les communications, et une liaison de sortie à laquelle le noeud transfère les communications reçues. Chaque noeud de communication attribue des bandes de temps pour l'utilisation des différents arbres d'acheminement, un à la fois. Toutefois, les arbres d'acheminement qui ne se chevauchent pas (Fig. 11) et qui ne partagent aucune liaison commune peuvent être utilisés en même temps, pour augmenter le débit de communications.

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