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Mobile IP Over VPN Communication Protocol

  • US 20100332821A1
  • Filed: 09/10/2010
  • Published: 12/30/2010
  • Est. Priority Date: 11/15/2002
  • Status: Active Grant
First Claim
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1. A packet-based wireless communication system for communicating with a moble node, comprising:

  • a home network;

    a foreign network connected to the home network; and

    a virtual private network comprising;

    a correspondence node operable to transmit on the virtual private network an information packet destined for a mobile node connected to the foreign net work;

    a home agent coupled to the correspondence node and operable to receive the information packet from the correspondence node, to encapsulate the received information packet with an inner tunnel address, and to transmit the encapsulated information packet; and

    a security gateway coupled between the virtual private network and the foreign network, associated with the inner tunnel address, and operable to receive the encapsulated information packet with the inner tunnel address and to forward the encapsulated information packet to the mobile node via the foreign network.

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