Method of restoring a ring system

Details Method of restoring a ring system Method of restoring a ring system

H - Electricity

04

L

H04L 12/43 (2006.01)

Patent

CA 2592454

In a system comprising nodes linked in a ring structure where data flows between the nodes, a method of operating the system after a link has become broken, comprising recovering said broken link and the system treating said recovered link as still broken and operating said system so as to block said recovered link. One of the nodes in said ring system is a redundancy manager node which sends messages to the other nodes to implement blocking of said recovered link. Only when another link becomes broken does the system start to use the previously recovered link.

L'invention concerne un système qui comprend des noeuds reliés en anneau pour l'écoulement de flux de données entre les noeuds, et un procédé d'exploitation du système après l'interruption d'une liaison : récupération de la liaison interrompue, traitement par le système de la liaison récupérée comme une liaison toujours interrompue, et exploitation du système pour bloquer la liaison récupérée en question. L'un des noeuds du système d'anneau est un noeud gestionnaire en redondance qui envoie des messages aux autres noeuds pour la mise en oeuvre du blocage de la liaison récupérée. C'est seulement lorsqu'une autre liaison s'interrompt que le système commence à utiliser la liaison précédemment récupérée.

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