Re: [Codel] [Cake] Control theory and congestion control

2015-05-10 Thread Jonathan Morton
On 10 May, 2015, at 06:35, Dave Taht dave.t...@gmail.com wrote: On Sat, May 9, 2015 at 12:02 PM, Jonathan Morton chromati...@gmail.com wrote: The right amount of buffering is *1* packet, all the time (the goal is nearly 0 latency with 100% utilization). We are quite far from achieving

Re: [Codel] [Cake] Control theory and congestion control

2015-05-10 Thread Jonathan Morton
On 10 May, 2015, at 06:35, Dave Taht dave.t...@gmail.com wrote: New flows tend to be extremely bursty - and new flows in the real world also tend to be pretty short, with 95% of all web traffic fitting into a single IW10. There is some hope that HTTP/2 will reduce the prevalence of this

Re: [Codel] [Cake] Control theory and congestion control

2015-05-09 Thread Dave Taht
On Sat, May 9, 2015 at 12:02 PM, Jonathan Morton chromati...@gmail.com wrote: The right amount of buffering is *1* packet, all the time (the goal is nearly 0 latency with 100% utilization). We are quite far from achieving that on anything... And control theory shows, I think, that we never