Arrangement for retrieving routing information for...

H - Electricity – 04 – L

Patent

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H04L 12/56 (2006.01) H04L 12/24 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2520513

A mobile router and a correspondent router, each configured for routing services for nodes within their routing prefixes associated with their respective routing tables, establish a secure, bidirectional tunnel based on a messaging protocol between each other and a route server resource. A reactive (i.e., on-demand) protocol is used that enables the requesting device (e.g., the mobile router, correspondent router), to obtain routing information in a secure manner from the route server. The mobile router sends a query via its home agent to the route server resource to identify the correspondent router serving the correspondent node. The mobile router sends a binding update request, specifying a home address and care-of address for the mobile router, to the correspondent router for establishment of a bidirectional tunnel. The correspondent router establishes the bidirectional tunnel, and updates its routing tables based on information from the route server resource.

Un routeur mobile et un routeur correspondant, configurés chacun pour des services d'acheminement pour des noeuds dans leurs préfixes de routage associés à leurs tables de routage respectives, établissent un tunnel bidirectionnel sécurisé, basé sur un protocole de messageries entre eux et une ressource serveur d'acheminement. Un protocole réactif (c'est-à-dire sur demande) qui est utilisé, permet au dispositif demandeur (par exemple, le routeur mobile, routeur correspondant) d'obtenir des informations d'acheminement, de manière sécurisée, à partir du serveur d'acheminement. Le routeur mobile émet une interrogation, via son agent de référence, à la ressource serveur d'acheminement, pour identifier le routeur correspondant servant le noeud correspondant. Le routeur mobile émet une demande actualisée de raccordement, spécifiant une adresse de référence et une adresse de bons soins pour le routeur mobile, au routeur correspondant, pour l'établissement d'un tunnel bidirectionnel. Le routeur correspondant établit le tunnel bidirectionnel, et actualise ses tables d'acheminement sur la base des informations provenant de la ressource serveur d'acheminement.

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