和参考无线包重传概率 Packet Retransmission Ratio ; PRR
包重传输 packet retransmission
包重传概率 Packet Retransmission Ratio
如果在客户机可以跟踪发出的SACK选项的数目,则重传队列的大小可从扫描包计数器中计算得到。
The average size of the retransmit queue can be calculated from the packets scanned counter if the number of SACK options sent is also tracked at the client.
另一感兴趣的数据是在处理SACK时扫描的包的数目,以及重传窗口(window)的平均大小。
It is also interesting to count the number of packets scanned while processing the SACKs, and the average size of the retransmission window.
重传队列中包的数目基本上取决于两台主机间的带宽延迟效果(bandwidth delay product,BDP)。
The number of packets in the retransmission queue is fundamentally driven by the bandwidth delay product (BDP) between the two hosts.
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