Gmpls+ip/mpls node and ip/mpls node

Details Gmpls+ip/mpls node and ip/mpls node Gmpls+ip/mpls node and ip/mpls node

H - Electricity

04

L

H04L 12/66 (2006.01) H04L 12/56 (2006.01) H04Q 11/00 (2006.01)

Patent

CA 2502751

It is possible to realize a network containing GMPLS and IP/MPLS in which the IP/MPLS node can operate directly as the IP/MPLS node without replacing it by a node having the GMPLS function. The GMPLS+IP/MPLS node (edge) sets a PSC-LSP between GMPLS+IP/MPLS nodes (edges) so that matching with a protocol of an IP/MPLS node outside the GMPLS cloud can be obtained. From the viewpoint of the IP/MPLS node, the PSC-LSP is used as a link of the IP/MPLS and operates signaling of the MPLS-LSP setting requested from the IP/MPLS.

Selon la présente invention, il est possible de réaliser un réseau comprenant une commutation générale de labels multiprotocole (GMPLS) et une commutation de labels multiprotocole /protocole Internet (IP/MPLS) dans lequel le noeud IP/MPLS peut servir directement de noeud IP/MPLS sans le remplacer par un noeud présentant la fonction GMPLS. Le noeud GMPLS+IP/MPLS (périphérie) définit un PSC-LSP entre les noeuds GMPLS+IP/MPLS (périphéries) afin qu'on obtienne une correspondance avec un protocole d'un noeud IP/MPLS à l'extérieur du nuage GMPLS. Du point de vue du noeud IP/MPLS, le PSC-LSP sert de liaison de IP/MPLS et active la signalisation de la définition de MPLS/LSP requise par IP/MPLS.

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