[Bloat] Updated Bufferbloat Test
Sebastian Moeller
moeller0 at gmx.de
Thu Feb 25 05:51:33 EST 2021
Hi Sina,
> On Feb 25, 2021, at 06:56, Sina Khanifar <sina at waveform.com> wrote:
>
> Thanks for the feedback, Dave!
>
>> 0) "average" jitter is a meaningless number. In the case of a videoconferencing application, what matters most is max jitter, where the app will choose to ride the top edge of that, rather than follow it. I'd prefer using a 98% number, rather than 75% number, to weight where the typical delay in a videoconfernce might end up.
>
> Both DSLReports and Ookla's desktop app report jitter as an average
> rather than as a max number, so I'm a little hesitant to go against
> the norm - users might find it a bit surprising to see much larger
> jitter numbers reported. We're also not taking a whole ton of latency
> tests in each phase, so the 98% will often end up being the max
> number.
> [...]
[SM] Maybe the solution would be to increase the frequency of the RTT measures and increase the quantile somewhat, maybe 90 or 95?
Best Regards
Sebastian
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