It uses packet loss and link utilization history to indicate the congestion, and not relies on average queue length as an estimator of congestion.
它不是使用平均队列长度指示缓冲区拥塞状态，而是使用数据报丢弃的频率和队列空闲程度来管理网络拥塞。
2
Simulation results showed that under conditions of small arc length and high noise, which often occur in practice, the approximate maximum likelihood estimator performs well.