Packet transfer device and power supply control method for QoS control circuit
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United States of America Patent
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Jul 18, 2017
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app pub date -
Feb 15, 2012
filing date -
Feb 18, 2011
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Abstract
It is intended to reduce a power consumption without degrading a communication quality of a packet transfer device. One or more of a receiver, a switch unit, and a transmitter include a QoS control circuit for applying QoS control to received packets. There is provided a power saving operation mode that enables power saving operation by changing a grain size of the QoS control according to a flow rate of the packets, and controlling whether or not to supply an electric power to the QoS control circuit or a part of the QoS control circuit, according to the flow rate of the packets.
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