[Make-wifi-fast] Does Ubiquiti Unifi have bufferbloat and unfair/bloated WiFi scheduling?

[Jim Gettys]

I'm running OpenWrt on the Unifi AC Mesh access point; (it has an ath10k
chip). It sits on a pole above my ridgeline and provides service to my
house and yard.

I dunno what the state in the Ubiquity provided firmware is.

OpenWrt has the nice new wifi code in it, which indeed really fixes
bufferbloat.

As I also have an ath9k in my laptop and run Linux, I now even do
(previously insane) things like have my scheduled backups go over WiFi while
teleconferencing, and I'm a happy camper.

Getting OpenWrt installed on it the first time is a bit of a chore; I have
some notes around someplace on what I learned when I did the install.
                                              - Jim


On Thu, May 23, 2019 at 2:46 PM David P. Reed <dpreed at deepplum.com> wrote:

> I have been chatting with a startup in the Multi-User Dwelling networking
> operations space, and they seem to really be attracted to Ubiquiti Unifi
> systems. I can't blame them for wanting a comprehensive and evolving system.
>
>
>
> But on the questions related to bufferbloat and making wifi both low
> latency and fast, I really don't know much about these products. (I have a
> Unifi 10 Gb/sec switch as my home/lab fiber backbone, but that's not really
> relevant to answering this question).
>
>
>
> So, since you, Dave, and others have been talking about real-world
> fq_codel etc. and faster wifi scheduling, does anyone know what the status
> at Ubiquiti is?
>
>
>
> I know some here run OpenWRT/LEDE on Unifi APs, but that's not my
> question, really.
>
>
>
> Any knowledge out there?
>
>
>
> (I'd like to recommend that they run some actual load tests - flent RRUL,
> etc. - but I think they might need some help).
>
> Personally I have no stake whatever in their use, but I'd love to get
> someone to start solving the bloat and queueing/scheduling problems.
>
>
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