图24.11拥塞例子 cwnd 26 SS:Slow start Al:Additive increase 22 MD:Multiplicative decrease Time-out 18 Threshold =16 16 14 3 ACKs 1 Threshold =10 SS SS 89 0 5 678910111213141516 Rounds 24.1724.17 图 24.11 拥塞例子