Re: [Bloat] [Make-wifi-fast] The most wonderful video ever about bufferbloat

[Sina Khanifar <sina@waveform.com>]

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Positive or negative, I can claim a bit of credit for this video :). We've
been working with LTT on a few projects and we pitched them on doing
something around bufferbloat. We've seen more traffic to our Waveforn test
than ever before, which has been fun!

On Mon, Oct 17, 2022 at 7:45 PM Dave Taht via Bloat <
bloat@lists.bufferbloat.net> wrote:

> On Mon, Oct 17, 2022 at 5:02 PM Stuart Cheshire <cheshire@apple.com>
> wrote:
> >
> > On 9 Oct 2022, at 06:14, Dave Taht via Make-wifi-fast <
> make-wifi-fast@lists.bufferbloat.net> wrote:
> >
> > > This was so massively well done, I cried. Does anyone know how to get
> in touch with the ifxit folk?
> > >
> > > https://www.youtube.com/watch?v=UICh3ScfNWI
> >
> > I’m surprised that you liked this video. It seems to me that it repeats
> all the standard misinformation. The analogy they use is the standard
> terrible example of waiting in a long line at a grocery store, and the
> “solution” is letting certain traffic “jump the line, angering everyone
> behind them”.
>
> Accuracy be damned. The analogy to common experience resonates more.
>
> >
> > Some quotes from the video:
> >
> > > it would be so much more efficient for them to let you skip the line
> and just check out, especially since you’re in a hurry, but they’re rudely
> refusing
>
> I think the person with the cheetos pulling out a gun and shooting
> everyone in front of him (AQM) would not go down well.
>
> > > to go back to our grocery store analogy this would be like if a worker
> saw you standing at the back ... and either let you skip to the front of
> the line or opens up an express lane just for you
>
> Actually that analogy is fairly close to fair queuing. The multiple
> checker analogy is one of the most common analogies in queue theory
> itself.
>
> >
> > The video describes the problem of bufferbloat, and then describes the
> same failed solution that hasn’t worked for the last three decades.
>
> Hmm? It establishes the scenario, explains the problem *quickly*,
> disses gamer routers for not getting it right..  *points to an
> accurate test*, and then to the ideas and products that *actually
> work* with "smart queueing", with a screenshot of the most common
> (eero's optimize for gaming and videoconferencing), and fq_codel and
> cake *by name*, and points folk at the best known solution available,
> openwrt.
>
> Bing, baddabang, boom. Also the comments were revealing. A goodly
> percentage already knew the problem, more than a few were inspired to
> take the test,
> there was a whole bunch of "Aha!" success stories and 360k views,
> which is more people than we've ever been able to reach in for
> example, a nanog conference.
>
> I loved that folk taking the test actually had quite a few A results,
> without having had to do anything. At least some ISPs are getting it
> more right now!
>
> At this point I think gamers in particular know what "brands" we've
> tried to establish - "Smart queues", "SQM", "OpenWrt", fq_codel and
> now "cake" are "good" things to have, and are stimulating demand by
> asking for them,   It's certainly working out better and better for
> evenroute, firewalla, ubnt and others, and I saw an uptick in
> questions about this on various user forums.
>
> I even like that there's a backlash now of people saying "fixing
> bufferbloat doesn't solve everything" -
>
> >  Describing the obvious simple-minded (wrong) solution that any normal
> person would think of based on their personal human experience waiting in
> grocery stores and airports, is not describing the solution to bufferbloat.
> The solution to bufferbloat is not that if you are privileged then you get
> to “skip to the front of the line”. The solution to bufferbloat is that
> there is no line!
>
> I like the idea of a guru floating above a grocery cart with a better
> string of explanations, explaining
>
>    - "no, grasshopper, the solution to bufferbloat is no line... at all".
>
> >
> > With grocery stores and airports people’s arrivals are independent and
> not controlled. There is no way for a grocery store or airport to generate
> backpressure to tell people to wait at home when a queue begins to form.
> The key to solving bufferbloat is generating timely backpressure to prevent
> the queue forming in the first place, not accepting a huge queue and then
> deciding who deserves special treatment to get better service than all the
> other peons who still have to wait in a long queue, just like before.
>
> I am not huge on the word "backpressure" here. Needs to signal the
> other side to slow down, is more accurate. So might say timely
> signalling rather than timely backpressure?
>
> Other feedback I got  was that the video was too smarmy (I agree),
> different audiences than gamers need different forms of outreach...
>
> but to me, winning the gamers has always been one of the most
> important things, as they make a lot of buying decisions, and they
> benefit the most for
> fq and packet prioritization as we do today in gamer routers and in
> cake + qosify.
>
> maybe that gets in the way of more serious markets. Certainly I would
> like another video explaining what goes wrong with videoconferencing.
>
>
>
>
>
>
> >
> > Stuart Cheshire
> >
>
>
> --
> This song goes out to all the folk that thought Stadia would work:
>
> https://www.linkedin.com/posts/dtaht_the-mushroom-song-activity-6981366665607352320-FXtz
> Dave Täht CEO, TekLibre, LLC
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