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TCP throughput control by imposing temporal delay

  • US 8,681,610 B1
  • Filed: 01/30/2013
  • Issued: 03/25/2014
  • Est. Priority Date: 02/01/2007
  • Status: Active Grant
First Claim
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1. A network device for managing a communications between devices, comprising:

  • a buffer for use in receiving and storing packets; and

    one or more physical devices operative to perform actions comprising;

    receiving a packet from a sending device;

    when it is determined that contents of the buffer are above a threshold value andalso that the contents of the buffer are increasing, then selectively increasing a delay in sending of an acknowledgement (ACK) to the sending device;

    when it is determined that both the contents of the buffer are above the threshold value and the contents of the buffer is decreasing, then selectively decreasing the delay of sending the ACK to the sending device; and

    when it is determined that the contents of the buffer are substantially increasing above the threshold value and a round trip time for the sending device is less than a round trip time for a destination device, selectively sending an explicit congestion notification echo (ECE) to the sending device.

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