[LibreQoS] [Bloat] [Rpm] [Starlink] the grinch meets cloudflare'schristmas present

Luis A. Cornejo luis.a.cornejo at gmail.com
Fri Jan 13 09:08:45 EST 2023


Dave,

I should be able to do that. Might be over the long weekend. I had flent
working on OS X but after an OS update something broke. My Linux box is
down.

Meanwhile in VZ HSI LTE land, got a new IP address overnight to a different
class A network, same AS, no restart. I get this:

cloudflare:
[image: Screenshot 2023-01-13 at 08-04-34 Internet Speed Test - Measure
Network Performance Cloudflare.png]

waveform:
https://www.waveform.com/tools/bufferbloat?test-id=bd07c5ed-7e38-41b0-b0db-d1325cbe189d

Not sure if they lit up a new band, or carrier aggregation or what on my
tower, they really upped the bandwidth! Along with the bufferbloat.

If I put on some SQM with CAKE:

qdisc cake 802a: dev eth2 root refcnt 9 bandwidth 20Mbit diffserv4
dual-srchost nat nowash ack-filter split-gso rtt 100ms noatm overhead 34
qdisc cake 802b: dev ifb4eth2 root refcnt 2 bandwidth 110Mbit diffserv4
dual-dsthost nat wash ingress no-ack-filter split-gso rtt 100ms noatm
overhead 34

cloudflare:
[image: Screenshot 2023-01-13 at 07-53-38 Internet Speed Test - Measure
Network Performance Cloudflare.png]
waveform:
https://www.waveform.com/tools/bufferbloat?test-id=572aaf52-67d7-4fbe-b88b-83fd4525c713

It is almost like VZ has been tracking me and realized that they had to up
their game =P. I'll see how it continues throughout the day with this much
more bandwidth, I am more than willing to sacrifice a bit of it for no
bufferbloat. I guess I can resort to the autorate script as well if the
available bandwidth starts to fluctuate too much.

On Thu, Jan 12, 2023 at 10:01 PM Dave Taht <dave.taht at gmail.com> wrote:

> On Thu, Jan 12, 2023 at 7:30 PM Luis A. Cornejo
> <luis.a.cornejo at gmail.com> wrote:
> >
> > Well Reddit has many posts talking about noticeable performance
> increases for Starlink. Here is a primetime run:
> >
> > waveform:
> >
> https://www.waveform.com/tools/bufferbloat?test-id=333f97c7-7cbd-406c-8d9a-9f850cb5de7d
>
> That is unquestionably the best result I have ever seen for starlink.
> Are you in a position to take a packet capture
> of the waveform test, or try some flent based tests?
>
> > cloudflare attached
> >
> >
> >
> > On Thu, Jan 12, 2023 at 11:43 AM MORTON JR., AL <acmorton at att.com>
> wrote:
> >>
> >> Dave and Luis,
> >>
> >> Do you know if any of these tools are using ~random payloads, to defeat
> compression?
> >>
> >> UDPST has a CLI option:
> >> (m)    -X           Randomize datagram payload (else zeroes)
> >>
> >> When I used this option testing shipboard satellite access, download
> was about 115kbps.
> >>
> >> Al
> >>
> >> > -----Original Message-----
> >> > From: Dave Taht <dave.taht at gmail.com>
> >> > Sent: Thursday, January 12, 2023 11:12 AM
> >> > To: Luis A. Cornejo <luis.a.cornejo at gmail.com>
> >> > Cc: Jay Moran <jay at tp.org>; Cake List <cake at lists.bufferbloat.net>;
> IETF IPPM
> >> > WG <ippm at ietf.org>; MORTON JR., AL <acmorton at att.com>; Rpm
> >> > <rpm at lists.bufferbloat.net>; bloat <bloat at lists.bufferbloat.net>;
> >> > dickroy at alum.mit.edu; libreqos <libreqos at lists.bufferbloat.net>
> >> > Subject: Re: [Bloat] [Rpm] [Starlink] [LibreQoS] the grinch meets
> >> > cloudflare'schristmas present
> >> >
> >> > Either starlink has vastly improved, or the test is way off in this
> case.
>
>
>
> --
> 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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