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Network switch and components and method of operation

  • US 7,590,057 B2
  • Filed: 06/14/2005
  • Issued: 09/15/2009
  • Est. Priority Date: 08/27/1999
  • Status: Expired due to Fees
First Claim
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1. A communications device comprising:

  • a control point processor subsystem; and

    a network processor, operatively coupled to said control point processor, including;

    N interface processors, N>

    1;

    a plurality of media interfaces;

    a plurality of queues coupling the interfaces to the processors wherein the queues provide channels through which data enters and leaves the processors;

    memory that stores data passing through said control processor; and

    euqueue/dequeue scheduler responsive to control signal to move data from the memory to a selected queue; and

    said control point processor subsystem including;

    control point function generator that generates and forwards to one of said plurality of media interfaces a guided frame with information that allows said control point processor subsystem access to registers and memories under control of said network processor.

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