Mobile terminal, control apparatus, home agent and packet communications method

  • US 8,023,493 B2
  • Filed: 07/01/2010
  • Issued: 09/20/2011
  • Est. Priority Date: 07/09/2003
  • Status: Expired due to Fees
First Claim
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1. A mobile terminal in a packet communications system in which a control apparatus implements routing control of a received packet directed for the mobile terminal, the mobile terminal comprising:

  • a plurality of network interface cards;

    a communication manager configured to select at least one network interface card from the plurality of network interface cards, in accordance with information regarding the plurality of network interface cards; and

    an upper layer manager configured to receive the packet transmitted from the control apparatus using at least one network interface card selected by the communication manager, wherein the communication manager comprises a collector configured to collect all of link layer addresses set for each of the plurality of network interface cards; and

    the upper layer manager comprises a notifier configured to notify the control apparatus of a network layer address of the mobile terminal and all of the link layer addresses collected by the collector, by using at least one network interface card selected by the communication manager, andthe control apparatus manages the network layer address of the mobile terminal, all of the link layer addresses set for the plurality of network interface cards and a paging area corresponding to where the mobile terminal is located in association with one another, whereinthe packet communications system is configured to implement paging control in which the control apparatus transmits a paging notification packet to a paging area of the mobile terminal when receiving of the packet directed for the mobile terminal without performing an address resolution process, so as to acquire location information of the mobile terminal and to decide a transfer destination of the packet; and

    the notifier is configured to notify the control apparatus of all of the plurality of link layer addresses set for each of the plurality of network interface cards together with a paging registration packet for forming the paging area.

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