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Virtual private network for real-time data

  • US 8,640,222 B2
  • Filed: 07/03/2012
  • Issued: 01/28/2014
  • Est. Priority Date: 06/08/2005
  • Status: Active Grant
First Claim
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1. A method for protecting real-time data exchanged between a mobile electronic device and a VPN gateway over a communications link, the method comprising:

  • establishing a first VPN connection between the mobile electronic device and the VPN gateway through the communications link;

    establishing, while the first VPN connection is established, a second VPN connection between the mobile electronic device and the VPN gateway through the communications link;

    providing key information to at least one of the mobile electronic device or VPN gateway through the first VPN connection; and

    exchanging real-time data packets between the mobile electronic device and the VPN gateway through the second VPN connection, wherein the key information is for encrypting and decrypting the real-time data packets exchanged through the second VPN connection.

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