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Method for providing virtual private network services to mobile node in IPv6 network and gateway using the same

  • US 20070177550A1
  • Filed: 12/06/2006
  • Published: 08/02/2007
  • Est. Priority Date: 12/07/2005
  • Status: Abandoned Application
First Claim
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1. A method for providing VPN (virtual private network) services of a gateway in an IPv6 network, the method comprising:

  • performing IKE (Internet key exchange) negotiation with an MN (mobile node) which has performed handover, acquiring SA (security association) and then authenticating a terminal of the MN;

    receiving a BU (binding update) message from the MN and verifying the BU message, storing new position information of the MN, transmitting a BA (binding acknowledgement) message and performing mobility processing;

    if the mobility processing is completed, performing IPsec processing on packets which the MN transmits to a CN (correspondent node), and transmitting the packets; and

    re-configuring and transmitting packets so that packets which the CN transmits to a home address of the MN, can be transmitted to a CoA (Care-of-Address) of the MN.

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