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Method and apparatus for connecting IPV4 devices through an IPV6 network using a tunnel setup protocol

  • US 20040088385A1
  • Filed: 11/01/2002
  • Published: 05/06/2004
  • Est. Priority Date: 11/01/2002
  • Status: Abandoned Application
First Claim
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1. A method for connecting an IPv4 device through an IPv6 network to an IPv4 node in an IPv4 network using a tunnel setup protocol, comprising steps of:

  • sending a message from a tunnel client in the IPv6 network to a tunnel broker server in the IPv6 network to establish a control channel with the tunnel broker server;

    sending to the tunnel broker server, via the control channel, a request to establish an IPv4-in-IPv6 tunnel through the IPv6 network, the request including tunnel configuration parameters desired by the tunnel client; and

    receiving from the tunnel broker server, via the control channel, any one of;

    an acceptance of the request with a specification of information respecting the tunnel configuration parameters desired by the tunnel client;

    an acceptance of the request with a specification of at least one alternate parameter for the tunnel configuration desired by the tunnel client; and

    , a refusal to establish the tunnel.

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