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Position identifier management apparatus and method, mobile computer, and position identifier processing method

  • US 7,437,479 B2
  • Filed: 10/06/2005
  • Issued: 10/14/2008
  • Est. Priority Date: 02/15/2000
  • Status: Expired due to Fees
First Claim
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1. A position identifier management method for supporting movement of a mobile computer between networks, comprising:

  • storing binding information concerning said mobile computer managed by a position identifier management apparatus in a storage means of the position identifier management apparatus, said binding information including a compatible node identifier for uniquely specifying said mobile computer and a compatible position identifier for uniquely specifying a position of said mobile computer on a network;

    registering the binding information in said storage means in response to a registration request to register the binding information; and

    transmitting the binding information in response to a query about the binding information concerning said mobile computer when said binding information is stored in said storage means,wherein the compatible node identifier of said mobile computer comprises a first virtual network identifier assigned to said mobile computer which moves between networks and a node identifier for uniquely specifying said mobile computer, and the compatible position identifier of said mobile computer comprises a second network identifier which is usable only by mobile computers assigned to a network to which said mobile computer is connected and the node identifier.

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