[Bloat] when does the CoDel part of fq_codel help in the real world?

Dave Taht dave.taht at gmail.com
Thu Nov 29 14:08:10 EST 2018


On Thu, Nov 29, 2018 at 10:43 AM Stephen Hemminger
<stephen at networkplumber.org> wrote:
>
> On Wed, 28 Nov 2018 23:35:53 -0800
> Dave Taht <dave at taht.net> wrote:
>
> > > As someone who works with moving packets, it's perplexing to me to
> > > interact with transport peeps who seem enormously focused on
> > > "goodput". My personal opinion is that most people would be better off
> > > with 80% of their available bandwidth being in use without any
> > > noticable buffer induced delay, as opposed to the transport protocol
> > > doing its damndest to fill up the link to 100% and sometimes failing
> > > and inducing delay instead.
>
> The problem is that any protocol is mostly blind to the underlying network
> (and that can change).  To use dave's analogy it is like being put in
> the driver seat of a vehicle blind folded.  When you step on the gas you
> don't know if it is a dragster, jet fighter, or a soviet tractor. The only
> way a protocol can tell is based on the perceived inertia and when
> it runs into things...

coffee. blown through nose. thx! I'm still chuckling - 'because I also
referenced a church.
You sit in a pew, and *pray* for something good to happen.

> _______________________________________________
> Bloat mailing list
> Bloat at lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/bloat



-- 

Dave Täht
CTO, TekLibre, LLC
http://www.teklibre.com
Tel: 1-831-205-9740


More information about the Bloat mailing list