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System and method for provisioning a quality of service within a switch fabric

  • US 7,787,469 B2
  • Filed: 07/12/2004
  • Issued: 08/31/2010
  • Est. Priority Date: 07/12/2004
  • Status: Expired due to Fees
First Claim
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1. A method for routing packets through a router in a network, comprising:

  • receiving a bandwidth allocation request for routing a plurality of packets in the router, the bandwidth allocation request including a start time, a total data size, and a period of time for which to reserve the bandwidth, the router including a switch fabric configured to switch packets from one or more ingress line cards to one or more egress line cards;

    measuring available bandwidth in the switch fabric in the router;

    reserving bandwidth in the switch fabric for the period of time when the available bandwidth in the switch fabric is sufficient to support the requested bandwidth for the period of time; and

    setting up a data connection when the bandwidth has been reserved and sending an error message otherwise to indicate that the bandwidth has not been reserved.

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