[186720] in North American Network Operators' Group
Re: Netflix stuffing data on pipe
daemon@ATHENA.MIT.EDU (Hugo Slabbert)
Wed Dec 30 02:59:54 2015
X-Original-To: nanog@nanog.org
Date: Tue, 29 Dec 2015 23:59:50 -0800
From: Hugo Slabbert <hugo@slabnet.com>
To: Josh Reynolds <josh@kyneticwifi.com>
In-Reply-To: <CAC6=tfaPSmF47R_c_BfEe+AHKbjiCaGa8nvSxgG=8nOi5VXFWg@mail.gmail.com>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
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On Tue 2015-Dec-29 21:17:51 -0600, Josh Reynolds <josh@kyneticwifi.com> wro=
te:
>The second part. Fixed wireless is not even on their radar.
>On Dec 29, 2015 9:16 PM, "Matt Hoppes" <mhoppes@indigowireless.com> wrote:
>
>> So they are trying to stuff every last bit as an end device modulates up
>> and down?
>>
>> Or are you saying that's how they determine if they can scale up the
>> resolution "because there is more throughout available now".
>>
>> On Dec 29, 2015, at 22:10, Josh Reynolds <josh@kyneticwifi.com> wrote:
>>
>> Adaptive bandwidth detection.
>> On Dec 29, 2015 8:59 PM, "Matt Hoppes" <mhoppes@indigowireless.com> wrot=
e:
>>
>>> 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 appe=
ar
>>> to be directly related to this. And I can't figure out what possible go=
od
>>> purpose Netflix would have for attempting to do this.
>>>
Pardon my ignorance of WISP-specific bits here, but how are they supposed=
=20
to know to back off on their bitrate ramp-up if you keep buffering rather=
=20
than dropping packets when the TX rate exceeds the customer's service rate?=
=20
Or what am I missing?
>>> Curious if anyone else has seen it?
>>
>>
--=20
Hugo
hugo@slabnet.com: email, xmpp/jabber
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