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Method and apparatus for setting a TCP retransmission timer

  • US 20080291911A1
  • Filed: 05/21/2007
  • Published: 11/27/2008
  • Est. Priority Date: 05/21/2007
  • Status: Abandoned Application
First Claim
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1. A method for setting a Transmission Control Protocol (TCP) retransmission timer for a TCP session, comprising the acts of:

  • determining a current round trip time differential for the TCP session based at least in part on a round trip time of one or more data segments wherein said one or more data segments are associated with a non-duplicate acknowledgment;

    determining a predicted mean round trip time differential for the TCP session based at least in part on said current round trip time differential;

    determining a predicted round trip time for a data segment based at least in part on said predicted mean round trip time differential;

    determining a retransmission timeout for the TCP session based at least in part on said predicted round trip time and a safety factor; and

    setting the TCP retransmission timer to the retransmission timeout.

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