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Two phase reservations for packet networks

  • US 7,277,944 B1
  • Filed: 05/31/2001
  • Issued: 10/02/2007
  • Est. Priority Date: 05/31/2001
  • Status: Active Grant
First Claim
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1. A network device for use in a computer network carrying network traffic, the network device comprising:

  • a traffic scheduler having one or more resources for use in forwarding network traffic received at the device at different rates;

    a classification engine configured to identify received network traffic based upon predefined criteria; and

    a resource reservation engine in communicating relationship with the traffic scheduler and the classification engine,wherein, in response to a first request to reserve resources for a given traffic flow from a destination entity, the resource reservation engine allocates one or more resources to the given traffic flow, but does not make the one or more allocated resources available to the given traffic flow until receiving a second request to reserve the one or more resources from the destination entity indicating that the destination entity accepts the traffic flow.

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