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Internet protocol based communication system and method for setting host address and selecting source address therein

  • US 20030204635A1
  • Filed: 03/14/2003
  • Published: 10/30/2003
  • Est. Priority Date: 04/27/2002
  • Status: Active Grant
First Claim
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1. A method for selecting a source address in an Internet protocol based communication system, comprising the steps of:

  • a) creating virtual interfaces corresponding to network prefixes received by a host connected to from routers included in the respective;

    b) setting addresses directed to the networks corresponding to the created virtual interfaces; and

    c) comparing by the host a prefix of a destination address to the prefixes of the created virtual interfaces in order to select a virtual interface address set to a prefix having a longest match as a basic address.

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