DATA TRANSMISSION SYSTEM FOR NETWORKS WITH NON-FULL-DUPLEX OR ASYMMETRIC TRANSPORT
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United States of America Patent
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Issued Date -
Apr 30, 2015
app pub date -
Oct 28, 2013
filing date -
Oct 28, 2013
priority date (Note) -
Abandoned
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Abstract
A data transfer method and system are provided for networks having gateway-mediated asymmetric transport. Separate data and feedback channels are established between sender and receiver units, along with a gateway feedback channel between a gateway and the sender. The sender transmits datagrams to the gateway in temporal chunks corresponding to the asymmetric transport's timing to keep the gateway's buffer at an optimum fill for maximal throughput without transmit-end packet drops. The receiver acknowledges those datagrams that have been successfully received and identifies any missing or corrupt datagrams. At least some messages include timing information indicative of network latency and congestion. The sender resends datagrams identified as missing or corrupt. The sender self-tunes its transmission rate in reaction to changing network conditions, based upon gateway buffer fill, network latency and datagram loss rate to keep datagram loss rate below a specified upper bound.
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