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Broadband access for virtual private networks

  • US 8,942,240 B2
  • Filed: 07/26/2013
  • Issued: 01/27/2015
  • Est. Priority Date: 07/29/2003
  • Status: Expired due to Fees
First Claim
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1. A method for communicating between a source and a destination, comprising:

  • receiving, at an egress edge device from an ingress edge device, an upper layer packet including a virtual private network identification identifying a destination, the virtual private network identification having been added to a header of the upper layer packet by the ingress edge device;

    authenticating the upper layer packet at the egress edge device using the virtual private network identification by comparing the virtual private network identification against an expectation for the upper layer packet; and

    upon authentication, decapsulating the upper layer packet into a lower layer packet for the destination,wherein the virtual private network identification is a unique identification number assigned to the source for marking the upper layer packet as belonging to a virtual private network to which the source and the destination belong, the virtual private network identification comprising at least four bytes.

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