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IPv6-over-IPv4 Architecture

  • US 20110023105A1
  • Filed: 10/05/2010
  • Published: 01/27/2011
  • Est. Priority Date: 08/29/2005
  • Status: Active Grant
First Claim
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1. A method comprising:

  • providing a home agent server, coupled to an Internet Protocol version 4 (IPv4) network, managing Internet Protocol version 6 (IPv6) clients;

    providing a first IPv6 client and second IPv6 client coupled to the home agent via the IPv4 network;

    from the first IPv6 client, sending to the home agent an IPv4 address and IPv6 address associated with the first IPv6 client;

    from the second IPv6 client, sending to the home agent an IPv4 address and IPv6 address associated with the second IPv6 client;

    when the first and second IPv6 clients are connected to the home agent, implementing a first IPv6-over-IPv4 tunnel in the IPv4 network between the first IPv6 client and the second IPv6 client, wherein the first IPv6-over-IPv4 tunnel does not pass through the home agent; and

    from the first IPv6 client, transferring data in an encrypted form using the first IPv6-over-IPv4 tunnel directly from the first IPv6 client to the second IPv6 client, where the data does not pass through the home agent.

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