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Method and system for establishing bidirectional tunnel

  • US 20060092964A1
  • Filed: 10/27/2005
  • Published: 05/04/2006
  • Est. Priority Date: 10/28/2004
  • Status: Active Grant
First Claim
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1. A method for establishing a bi-directional tunnel between a user node and a tunnel end point (TEP) in a first network including the user node, a dynamic host configuration protocol (DHCP) server, and one or more TEPs, the method comprising:

  • operating the user node in order to establish the bi-directional tunnel, wherein operating the user node comprises;

    requesting network information necessary to establish the bi-directional tunnel to the DHCP server;

    establishing a unidirectional tunnel from the user node to the TEP based on the received network information when the user node receives the network information from the DHCP server;

    requesting one of the TEPs to establish the unidirectional tunnel; and

    establishing an address of the user node in the second network when the user node receives a router advertisement (RA) message of a second network with which the user node wishes to communicate from the TEP required to establish the unidirectional tunnel.

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