[186730] in North American Network Operators' Group
Re: Netflix stuffing data on pipe
daemon@ATHENA.MIT.EDU (Ca By)
Wed Dec 30 10:49:42 2015
X-Original-To: nanog@nanog.org
In-Reply-To: <CAC6=tfaxmo3_7ze60L0WkYT+dJY0+k8_fzVgPNXHMk+BY7ipiA@mail.gmail.com>
Date: Wed, 30 Dec 2015 07:49:39 -0800
From: Ca By <cb.list6@gmail.com>
To: Josh Reynolds <josh@kyneticwifi.com>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On Tuesday, December 29, 2015, Josh Reynolds <josh@kyneticwifi.com> wrote:
> Adaptive bandwidth detection.
Yes, ABR video attempts to fill the entire channel
This has been problematic as peak edge speeds have increased and pushed the
statistical multplexing logic / plans.
There is also buffer bloat issues that exacerbate the problem by allowing
elephant flows to be too greedy at the expsense of others on the access
segment
> On Dec 29, 2015 8:59 PM, "Matt Hoppes" <mhoppes@indigowireless.com
> <javascript:;>> wrote:
>
> > Has anyone else observed Netflix sessions attempting to come into
> customer
> > CPE devices at well in excess of the customers throttled plan?
> >
> > I'm not talking error retries on the line. I'm talking like two to three
> > times in excess of what the customers CPE device can handle.
> >
> > I'm observing massive buffer overruns in some of our switches that appear
> > to be directly related to this. And I can't figure out what possible good
> > purpose Netflix would have for attempting to do this.
> >
> > Curious if anyone else has seen it?
>
