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Congestion avoidance in high-speed network carrying bursty traffic

  • US 5,029,164 A
  • Filed: 04/13/1990
  • Issued: 07/02/1991
  • Est. Priority Date: 04/13/1990
  • Status: Expired due to Term
First Claim
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1. A method of congestion avoidance in a communications network having multiple nodes, comprising the steps of:

  • (a) sending from a first of said nodes to a first intermediate one of said nodes a request for an allocation of bandwidth for a transmission of a quantity of data from said first node to a second one of said nodes via said first intermediate node and a second intermediate node;

    (b) comparing said request in said first intermediate node with capacity at said first intermediate node to meet said request, and generating a modified request to reduce said allocation if necessary;

    (c) sending said modified request from said first intermediate node to said second intermediate node;

    (d) comparing said modified request in said second intermediate node with capacity at said second intermediate node to meet said modified request, and generating a second modified request to reduce said allocation if necessary;

    (e) sending said second modified request back to said first node;

    (f) transmitting said quantity of data from said first node to said second node using the bandwidth specified in said second modified request.

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