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implement cubic "exponential slow start" test

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This commit is contained in:
Lucas Clemente
2016-04-28 10:34:27 +02:00
parent 2da6f1860e
commit f869be1eb1
3 changed files with 30 additions and 0 deletions
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10
congestion/cubic_sender.go
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@@ -199,3 +199,13 @@ func (c *cubicSender) isCwndLimited(bytesInFlight uint64) bool {
slowStartLimited := c.InSlowStart() && bytesInFlight > congestionWindow/2
return slowStartLimited || availableBytes <= maxBurstBytes
}
// BandwidthEstimate returns the current bandwidth estimate
func (c *cubicSender) BandwidthEstimate() Bandwidth {
srtt := c.rttStats.SmoothedRTT()
if srtt == 0 {
// If we haven't measured an rtt, the bandwidth estimate is unknown.
return 0
}
return BandwidthFromDelta(c.GetCongestionWindow(), srtt)
}