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Apparatus, and associated method, for facilitating bi-directional routing of data in a packet radio communication system

  • US 20040120294A1
  • Filed: 12/20/2002
  • Published: 06/24/2004
  • Est. Priority Date: 12/20/2002
  • Status: Active Grant
First Claim
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1. In a packet radio communication system having a mobile network comprising a home network having a home agent associated therewith and a foreign network having a foreign agent associated therewith, and a mobile node selectably identified by a nonuniversal identifier address, an improvement of apparatus for facilitating bidirectional routing of data with the mobile node when the mobile node is positioned at the foreign network, said apparatus comprising:

  • a determiner located at the foreign network, said determiner for determining whether the mobile node is identified by the nonuniversal identifier address and also for determining whether the nonuniversal identifier address of the mobile node conflicts with the nonuniversal identifier address of other node(s) associated with the foreign network; and

    a message generator operable responsive to determinations made by said determiner that the mobile node is identified by the nonuniversal identifier address and also this address conflict with the nonuniversal identifier address of other node(s) associated with the foreign network, said message generator for generating a message for communication to the mobile node, and generates a message for alerting the mobile node to obtain a unique private address, the unique private address used to form a first data tunnel between the mobile node and the foreign agent.

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