×

System and method for foreign agent control node redundancy in a mobile internet protocol network

  • US 6,956,846 B2
  • Filed: 08/16/2002
  • Issued: 10/18/2005
  • Est. Priority Date: 08/16/2002
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for selecting a packet data serving node for a mobile node in a mobile Internet Protocol network, the method comprising:

  • receiving on a first foreign agent control node a registration request message from a radio network node, wherein the registration request message is associated with a mobile node;

    making a determination that a mobile profile associated with the mobile node is not available on the first foreign agent control node;

    generating a query request message at the first foreign agent control node, wherein the query request message comprises a request for the mobile profile associated with the mobile node;

    sending the query request message from the first foreign agent control node to a second foreign agent control node;

    receiving a query response message on the first foreign agent control node from the second foreign agent control node;

    making a determination that the query response message comprises the mobile profile including a network address of a packet data serving node associated with the mobile node; and

    sending from the first foreign agent control node to the radio network node a registration response message comprising the network address of the packet data serving node specified in the mobile profile.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×