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Auto-tunnelling in a heterogeneous network

  • US 20030120804A1
  • Filed: 12/21/2001
  • Published: 06/26/2003
  • Est. Priority Date: 12/21/2001
  • Status: Abandoned Application
First Claim
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1. An apparatus for routing data packets in a network comprising a plurality of nodes each arranged to support one or both of a first and second set of one or more protocols, the apparatus being included, in use, in a first network node which is associated with at least one database, the apparatus being arranged to create entries in said at least one database, each entry relating to at least one respective path from said first network node to a respective destination node in the network, wherein the apparatus is arranged to determine, when creating an entry in respect of at least one path to a destination node, if said destination node supports both of said first and second protocol sets, and being further arranged, upon so determining, to associate information with said entry identifying said destination node as a dual router, and wherein the apparatus is further arranged, when creating subsequent entries in respect of paths to other destination nodes which paths include said destination node, to associate said identifying information with said subsequent entries.

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