Method for flow control
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United States of America Patent
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Aug 26, 2003
Issued Date -
N/A
app pub date -
Dec 21, 2001
filing date -
Jun 23, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of efficiently using Transmission Control Protocol (TCP) with Acknowledgments (ACKs) comprising Selective Acknowledgement (SACK) options in asymmetrical networks by reducing the number of ACKs with SACK options to be transferred back to a sender. New ACKs with SACK options are compared to previous ACKs with SACK options as to their content, and in dependence of the comparison, i.e. if the previous ACK with a SACK option comprises redundant or invalid information and no additional information in relation to the new ACK with a SACK option, then the previous ACK with the SACK option is removed and not sent back to a sender.
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