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Traffic shaping system for asynchronous transfer mode networks

  • US 5,724,513 A
  • Filed: 06/30/1994
  • Issued: 03/03/1998
  • Est. Priority Date: 06/30/1994
  • Status: Expired due to Term
First Claim
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1. A method for controlling the transmission of cells from a network node, comprising the steps of:

  • periodically scanning a table, said table having a number of entries, said number of entries less than a number of virtual circuits connected with said network node, each one of said entries indicating a virtual circuit connected with said network node, each one of said entries corresponding with one of one or more transmit queues, said step of scanning including incrementing a first accumulator and a second accumulator in each one of said table entries, and setting a transmit enable bit in each said table entry having a first accumulator value greater than or equal to a first predetermined value and having a second accumulator value greater than or equal to a second predetermined value;

    selecting, responsive to said step of scanning, one of said table entries having said transmit enable bit set; and

    transmitting, responsive to said step of selecting, a cell on a virtual circuit indicated by said selected one of said table entries.

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