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Shared communications network employing virtual-private-network identifiers

  • US 7,307,990 B2
  • Filed: 09/19/2002
  • Issued: 12/11/2007
  • Est. Priority Date: 01/19/1999
  • Status: Expired due to Fees
First Claim
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1. A router, comprising:

  • a port to receive a data message from a customer edge router, said data message sent from a source customer computer addressed to a destination customer computer, said source customer computer and said destination customer computer located within a common virtual private network (VPN);

    a port to receive a reachability message from a provider router, said reachability message giving a route to said destination customer computer and including a VPN ID that identifies the destination computer as being within the common VPN; and

    a transmitter to forward said data message with a tag written in said data message, said tag to designate said VPN.

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