Joint ip/optical layer restoration after a router failure

Details Joint ip/optical layer restoration after a router failure Joint ip/optical layer restoration after a router failure

H - Electricity

04

L

H04L 12/56 (2006.01) H04L 29/14 (2006.01) H04B 10/12 (2006.01) H04J 14/02 (2006.01) H04Q 3/52 (2006.01)

Patent

CA 2415148

A method and system for providing joint IP/Optical Layer restoration mechanisms for the IP over Optical Layer architecture, particularly for protecting against router failure within such architecture, includes any one of plural node elements participating in the detection and restoration of the joint IP/Optical Layer architecture upon the failure of a router in one of the nodes. The plural node elements may include, but are not limited to, one of plural routers and an optical cross-connect.

L'invention concerne un procédé et un système permettant de former des mécanismes de restauration de couche optique/IP commune utiles pour une architecture IP sur couche optique, notamment à des fins de protection contre une défaillance de routeur dans ce type d'architecture. Le système comprend un des multiples éléments de noeud employés dans la détection et la restauration de l'architecture à couche optique/IP commune lors d'une défaillance de routeur à l'un des noeuds. Les multiples éléments de noeud peuvent comprendre notamment, mais pas exclusivement, un des multiples routeurs et un répartiteur optique.

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