Data transmission device, data transmission method, and program therefor
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United States of America Patent
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Nov 21, 2017
Grant Date -
Dec 3, 2015
app pub date -
Dec 17, 2013
filing date -
Dec 19, 2012
priority date (Note) -
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Abstract
A data transmission device, method, and program therefor that effectively increase throughput even when a delay increase occurs due to a cause other than congestion in the network. The data transmission device (11) is provided with a transmission unit (60) which transmits to a user terminal (30) data requested over a network (20). The data transmission device includes a transmission rate control element (51C) which controls the transmission rate on the basis of the degree of congestion detected by a congestion detection element (51B) during delay measurement by a delay measurement processing unit (40), and a reference value correction processing element (51D) which temporarily corrects the detection criteria used by the congestion detection element; when it has been determined that the delay has increased due to a cause other than congestion. This reference value correction element increases the accuracy of detection processing by the congestion detection element, thereby improving throughput.
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