Re: [aqm] CoDel on high-speed links

2015-06-14 Thread Dave Taht
On Sun, Jun 14, 2015 at 4:10 PM, Simon Barber wrote: > Indeed - I believe that Codel will drop too much to allow maximum bandwidth > utilization, when there are very few flows, and RTT is significantly greater > than target. Interval. Not target. Interval defaults to 100ms. Target is 5ms. Droppin

Re: [aqm] CoDel on high-speed links

2015-06-14 Thread Dave Taht
On Sun, Jun 14, 2015 at 4:10 PM, Simon Barber wrote: > Indeed - I believe that Codel will drop too much to allow maximum bandwidth > utilization, when there are very few flows, and RTT is significantly greater > than target. The theory is - with a Reno based CC the cwind gets cut in half > on a dr

Re: [aqm] CoDel on high-speed links

2015-06-14 Thread Simon Barber
Indeed - I believe that Codel will drop too much to allow maximum bandwidth utilization, when there are very few flows, and RTT is significantly greater than target. The theory is - with a Reno based CC the cwind gets cut in half on a drop. If the drop in cwind is greater than the number of pac