Method and system for protecting a sub-domain within a...

Details Method and system for protecting a sub-domain within a... Method and system for protecting a sub-domain within a...

H - Electricity

04

L

H04L 29/14 (2006.01) H04L 9/00 (2006.01) H04L 12/18 (2006.01)

Patent

CA 2651861

A method and system for protecting a service available on a broadcast domain. A sub-domain is established within the broadcast domain. The sub-domain includes a group of nodes used to provide a communication path to the service. A primary sub-domain maintenance association and a back-up sub-domain maintenance association are monitored. The primary and sub-domain maintenance associations are a set of primary and back-up paths, respectively, representing connectivity between nodes acting as edge nodes in the sub-domain. A fault is detected within the primary sub-domain maintenance association and a switch to the back-up sub-domain maintenance association occurs.

Procédé et système permettant de protéger un service disponible sur un domaine de diffusion. Un sous-domaine est établi à l'intérieur d'un domaine de diffusion. Le sous -domaine inclut un groupe de noeuds utilisés pour fournir une voie de communication au service. Une association de maintenance de sous domaines principaux et une association de maintenance de sous-domaines de secours sont surveillées. Les associations de maintenance de sous-domaines principaux et de secours constituent un ensemble de voies principales et de secours qui représentent, respectivement, la connectivité entre les noeuds agissant en tant que noeuds de bordure dans le sous-domaine. Une erreur est détectée à l'intérieur de l'association de maintenance de sous-domaines principaux et une commutation vers l'association de maintenance de sous-domaines de secours se produit.

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