[Bloat] unfixable bloat on Cable modem CODA-4680 (puma 7)

[Dave Taht]

see badmodems.com

On Thu, Mar 28, 2019 at 4:01 AM cloneman <bufferbloat at flamingpc.com> wrote:
>
> I'm getting a weird problem with this new modem , it's Docsis 3.1
>
> latency/jitter measured via ping is about ~300ms during download pressure of 3 http transfers. The latency doesn't appear on synthetic bufferbloat benchmarks, though. (dslreports ; 20ms ("A")
>
> question: trying to figure out why I'm seeing this particular behavior, and determine if it'd a real issue or just an anomalie with ICMP traffic
>
> I've not seen ping do this with other modems.
>
> Perhaps I need to try some other traffic generation/ capture  tools?
>
>
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-- 

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