Netflix stuffing data on pipe

Matt Hoppes mhoppes at
Wed Dec 30 03:16:15 UTC 2015

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 at> wrote:
> Adaptive bandwidth detection.
>> On Dec 29, 2015 8:59 PM, "Matt Hoppes" <mhoppes at> 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?

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