Resource allocation using an auto-discovery mechanism for provider-provisioned layer-2 and layer-3 Virtual Private Networks

  • US 20030177221A1
  • Filed: 03/18/2003
  • Published: 09/18/2003
  • Est. Priority Date: 03/18/2002
  • Status: Active Grant
First Claim
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1. A method for establishing a Virtual Private Network (VPN) tunnel between a first provider edge (PE) device and a second (PE) device of a Provider-Provisioned VPN (PPVPN) comprising:

  • advertising at least one tunnel-based parameter to one or more PE devices over a network backbone using an auto-discovery mechanism, the one or more PE devices including at least one of the first and second PE devices; and

    configuring a VPN tunnel between the first and second PE devices based at least in part on the at least one tunnel-based parameter.

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