Patent ID: 9729417
Date: 2017-08-08
CPC Classifications: H04L,H04W

Claim:
1. A communication-information measuring device comprising: a transmitting unit that sequentially transmits one or more packets to a communication target apparatus; a receiving unit that receives acknowledgments for the transmitted packets from the communication target apparatus; a recording unit that records a round trip time and occurrence of packet loss for each of the transmitted packets on the basis of the transmitted packet and the acknowledgment for the transmitted packet; a counting unit that counts the number of packet sequences among one or more packet sequences, each of the one or more packet sequences having a plurality of continuous packets including one or more packets at the top, each of the one or more packets being a packet for which packet loss is recorded by the recording unit among the transmitted packets, each of the packet sequences being such that the number of packet losses included in the packet sequence and an increase state of the round trip time for packets included in the packet sequence satisfy respective predetermined conditions; and a calculating unit that calculates a packet loss ratio on the basis of the number counted by the counting unit and the number of transmitted packets.