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Data communication system, communication device and communication program thereof

  • US 20060182128A1
  • Filed: 05/21/2004
  • Published: 08/17/2006
  • Est. Priority Date: 05/22/2003
  • Status: Active Grant
First Claim
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1. A data communication system comprising a home agent, a correspondent node capable of communicating with the home agent, a mobile router, and a mobile network node capable of communicating with the mobile router, the mobile router comprising:

  • a plurality of communication means of a communication service containing a same or different types of services;

    a control table which stores an address assigned to the communication means and route information of the communication means, such that the address and the route information are associated with each other; and

    a transferring means which receives a packet from the mobile network node to the correspondent node, selects usable communication means based on information of the control table, and transfers the packet to the home agent, the home agent comprising;

    means for identifying the address assigned to the usable communication means of the mobile router;

    a control table which stores the identified address and route information of the address, such that the address and the route information are associated with each other; and

    transferring means which receives a packet from the correspondent node addressed to the mobile network node, selects an address based on information of the control table, and transfers the packet to the address, wherein a logical line, through which the mobile network node and the correspondent node communicate with each other, is configured by combining lines of the plurality of communication means.

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