Re: [Bloat] [Rpm] An 8 years perspective on broadband in the usa - fcc data

[Matt Mathis <matt.mathis@gmail.com>]

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Sam, see the question below about your methodology, from your FCC report.

Thanks,
--MM--
Evil is defined by mortals who think they know "The Truth" and use force to
apply it to others.
-------------------------------------------
Matt Mathis  (Email is best)
Home & mobile: 412-654-7529 please leave a message if you must call.



On Sun, Jun 19, 2022 at 8:46 AM Sebastian Moeller via Rpm <
rpm@lists.bufferbloat.net> wrote:

> Hi Dave,
>
> > On Jun 19, 2022, at 17:32, Dave Taht via Bloat <
> bloat@lists.bufferbloat.net> wrote:
> >
> > It's not clear if they are only measuring downloads in fig 4. ?
> >
> >
> https://vaibhavbajpai.com/documents/papers/proceedings/fcc-networking-2022.pdf
>
> indeed:
>
> "The SamKnows probes measure a variety of broadband met- rics [22] over
> IPv4. The tests [22] covered in this paper include: multi-threaded download
> speed, UDP latency, UDP latency un- der load, and UDP packet loss. The
> tests connect to the closest measurement servers (based on round-trip
> time); measurement servers are hosted both off-net (outside of ISP
> boundary) and on-net (within ISP boundary). The off-net measurement points
> were hosted by Measurement Lab (M-Lab) [23] and changed to Level 3
> Communications (CenturyLink) across ten cities in the US, while the on-net
> measurement targets are hosted by the ISPs themselves. The FCC publishes
> the raw data for each month [24], along with annual reports on major
> findings [25]. For controllability reasons, the annual MBA reports only
> cover measurements to the off-net locations, i.e., latency results might be
> inflated due to geographical distance. Thus, we also consider the on-net
> measurements in our analysis."
>
> reference 22 points to
> https://www.fcc.gov/general/measuring-broadband-america-open-methodology
> "Latency under load     Average round trip time for a series of regularly
> spaced UDP packets sent during downstream/upstream sustained tests"
>
> this seems to imply that it would be mixed upload/download saturation?
>
>
> But I agree that this is unclear... maybe Sam (Crawford) knows (pun
> intended), I do not have his email, but maybe he is on-list or someone else
> can relay that question?
>
> Regards
>         Sebastian
>
>
> >
> >
> > --
> > FQ World Domination pending:
> https://blog.cerowrt.org/post/state_of_fq_codel/
> > Dave Täht CEO, TekLibre, LLC
> > _______________________________________________
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> > Bloat@lists.bufferbloat.net
> > https://lists.bufferbloat.net/listinfo/bloat
>
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