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Packet processing in a router architecture

  • US 6,879,587 B1
  • Filed: 06/30/2000
  • Issued: 04/12/2005
  • Est. Priority Date: 06/30/2000
  • Status: Active Grant
First Claim
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1. A routing system comprising:

  • a switch configured to process network packets, including distinguishing between data packets and control packets in the network packets and sending a control packet; and

    a controller, separate from the switch, and operatively connected to the switch, and configured to receive the control packet from the switch and deliver the control packet to a network stack of the controller such that a networking application of the controller views the control packet as if the control packet came directly from a local interface, the local interface being a virtual interface of the controller that corresponds to a physical interface of the switch.

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