Receiver-based RTT measurement in TCP
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United States of America Patent
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Feb 12, 2008
Grant Date -
Dec 18, 2003
app pub date -
Apr 18, 2003
filing date -
Jun 18, 2002
priority date (Note) -
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Abstract
A method of performing Round Trip Time (RTT) measurement in a data packet receiver using a Transmission Control Protocol (TCP) for communication via a network with a sender, said method comprising the steps of sending an acknowledgement for a currently received data packet to the sender, measuring a first time instant when sending the acknowledgement, triggering at the sender the transmission of an expected data-packet, measuring a second time instant when the expected data packet is received, and calculating the round-trip time based on the measured first and second time instants.
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