dafas

Resume

Ceiling && diffProbe > 60s

diffCeiling > CeilingSteady && diffProbe > 5s 

拥塞恢复 && current tr < 0.95 * CeilingRate 

CommonProbe

FastProbe TR > 1.3 * current TR

拥塞恢复 && diffCeiling > 5s

开始

N

FastProbe

初始阶段

diffFastProbe > 10s && diffFastProbe > CeilingSteady / 2 

0/500ms

Normal

probeBandwidth

LadderProbe：

LadderProbe

RequestFastProbe

Congestion

阶梯探测到tr && diffFastProbe > 500ms