[Codel] fq_codel : interval servo

[Eric Dumazet]

On Sun, 2012-09-02 at 11:08 -0700, Dave Taht wrote:
> On Sat, Sep 1, 2012 at 5:53 AM, Eric Dumazet <eric.dumazet at gmail.com> wrote:
> > On Fri, 2012-08-31 at 09:59 -0700, Dave Taht wrote:
> >
> >> I realize that 10GigE and datacenter host based work is sexy and fun,
> >> but getting stuff that runs well in today's 1-20Mbit environments is
> >> my own priority, going up to 100Mbit, with something that can be
> >> embedded in a SoC. The latest generation of SoCs all do QoS in
> >> hardware... badly.
> >
> > Maybe 'datacenter' word was badly chosen and you obviously jumped on it,
> > because it meant different things for you.
> 
> I am hypersensitive about optimizing for sub-ms problems when there are
> huge multi-second problems like in cable, wifi, and cellular. Recent paper:
> 
> http://conferences.sigcomm.org/sigcomm/2012/paper/cellnet/p1.pdf

Yes. Take a deep breath, please.

In France, we use to say : "Rome ne s'est pas faite en un jour"

It means you wont solve all your problems at once.

Step by step we improve things, and we discover new issues or
possibilities.

So denying one particular improvement is not good because it doesnt
solve the 'Bufferbloat in the known Universe' is not very helpful.