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Round-trip delay time measurement system, round-trip delay time measurement method, return method, communication device, program, and data structure
Round-trip delay time measurement system, round-trip delay time measurement method, return method, communication device, program, and data structure
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机译:往返延迟时间测量系统,往返延迟时间测量方法,返回方法,通信设备,程序和数据结构
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摘要
A communication device performs communication with an external device. The communication device includes: a measurement packet transmission unit that transmits a measurement packet at a first transmission time point; a return packet reception unit that receives a return packet at a second reception time point, the return packet being transmitted at a second transmission time point, the return packet including information relating to a processing time indicating a duration from a first reception time point at which the measurement packet is received by the external device, to the second transmission time point, the return packet having a same packet size as the measurement packet; and a delay time specification unit that specifies, as a round-trip delay time, a duration obtained by subtracting the processing time from a duration from the first transmission time point to the second reception time point.
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