Adjusting controls at the physical layer to control link quality at higher layers
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United States of America Patent
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Sep 15, 2015
Grant Date -
May 9, 2013
app pub date -
Jul 26, 2011
filing date -
Jul 28, 2010
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Abstract
A system and method for controlling a performance of a communication link in a data communication system comprises mapping performance of a communication link, as characterized by metrics computed at a first protocol layer in a network device, to quality of the communication link as characterized by metrics computed at a second protocol layer in the network device. The second protocol layer is higher than the first protocol layer in a protocol stack running on the network device. A setting of one or more communication link controls at the first protocol layer is adjusted to attain a given communication link performance at the first protocol layer that, according to the mapping between the communication link performance at the first protocol layer and the quality of the communication link at the second protocol layer, corresponds to a target quality of the communication link at a second protocol layer.
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