| 摘要 |
A sending probe sends a quality measurement packet to a receiving probe, and increments a sent packet counter every time the quality measurement packet is sent. A receiving probe receives the quality measurement packet from the sending probe, and attaches a received packet counter to the quality measurement packet and returns the quality measurement packet to the sending probe. The sending probe receives a returned quality measurement packet, extracts a received packet count from the quality measurement packet, and calculates a packet loss rate by using a difference between the sent packet counter and the received packet counter and a difference between the received packet counter and the returned packed counter.
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