[Flent-users] Re: flaws and features of flent

"less developed", as insulting, also. I have no idea how well george carlin translates into other cultures, but he is a hero of mine, as is the BOFH. https://www.youtube.com/watch?v=o25I2fzFGoY=1 > > Regards > Sebastian > > > On 16 January 2023 02:52:45 CET,

[Flent-users] Re: flaws and features of flent

On Sun, Jan 15, 2023 at 11:14 PM Sebastian Moeller wrote: > > Hi Dave, > > On 16 January 2023 02:52:45 CET, Dave Taht wrote: > >A rather long, meandering piece: > > > >https://blog.cerowrt.org/post/flaws_in_flent/ > > I think 'Flent’s default sampling rate i

[Flent-users] flaws and features of flent

A rather long, meandering piece: https://blog.cerowrt.org/post/flaws_in_flent/ -- This song goes out to all the folk that thought Stadia would work: https://www.linkedin.com/posts/dtaht_the-mushroom-song-activity-698135607352320-FXtz Dave Täht CEO, TekLibre, LLC

[Flent-users] histograms and animations

I really enjoyed jim roskin's talk below, and especially the animations of histogram progress over time. https://www.youtube.com/watch?v=_uaaCiyJCFA=1120s I have largely relied on static cdf plots to accomplish the same thing, but I can'd help but wonder what it would take to produce an

[Flent-users] flent for 802.11s

https://ieeexplore.ieee.org/abstract/document/9887655 -- This song goes out to all the folk that thought Stadia would work: https://www.linkedin.com/posts/dtaht_the-mushroom-song-activity-698135607352320-FXtz Dave Täht CEO, TekLibre, LLC ___

[Flent-users] starlink plot

seeing bbr not get out of slow start, then get in a fight with cubic, is pretty hilarious... -- FQ World Domination pending: https://blog.cerowrt.org/post/state_of_fq_codel/ Dave Täht CEO, TekLibre, LLC ___ Flent-users mailing list --

[Flent-users] some breakages and a big test

I've been working on a script that exercises some old tests. My goal was to get something that ran in under an hour that got a comprehensive viewpoint. I'm terrible at python, so I do things in shell, rather than the batch facility. Anyway, presently several of the more obscure tests break in

[Flent-users] Re: Legend only once

Hopefully we mostly fixed the mt76 chips recently, https://www.linkedin.com/feed/update/urn:li:activity:6973288514096414720/ ax is still a pita On Tue, Aug 9, 2022 at 10:59 PM Erik Taraldsen wrote: > > > On Tue, Aug 9, 2022 at 10:01 PM Dave Taht wrote: >> >> OT...

[Flent-users] tcp-info daemon

https://github.com/m-lab/tcp-info/ -- FQ World Domination pending: https://blog.cerowrt.org/post/state_of_fq_codel/ Dave Täht CEO, TekLibre, LLC ___ Flent-users mailing list -- flent-users@flent.org To unsubscribe send an email to

[Flent-users] Re: Legend only once

OT... Those latency numbers are spectacular. Any hint as to why? :) On Tue, Aug 9, 2022, 12:48 PM Toke Høiland-Jørgensen wrote: > Erik Taraldsen writes: > > > I'm trying to automate testing and graphing with flent. For my purposes > it > > probably will make sense to use CDF and box plots.

[Flent-users] coaxing an rpm figure out of flent

Just filed this feature request over here: https://github.com/network-quality/goresponsiveness/issues/19 -- FQ World Domination pending: https://blog.cerowrt.org/post/state_of_fq_codel/ Dave Täht CEO, TekLibre, LLC ___ Flent-users mailing list --

[Flent-users] Re: putting a floor under flent

good stuff, which I'm *really good at*. But certainly I agree with the overall thrust being to get some sort of administrative help for the things we don't do well. On Sun, May 8, 2022 at 8:23 AM Toke Høiland-Jørgensen wrote: > > Dave Taht writes: > > > I am in the middle of

[Flent-users] putting a floor under flent

I am in the middle of writing a modest proposal for the NSF, to put more of an organisational floor under it, and am wondering if there are any other flent users out there, willing to submit a "letter of collaboration" as part of it? I'm also kind of curious how many hits per month flent.org

[Flent-users] Re: [Starlink] an rtt_fair test?

vailable across their OSes. I'm pretty sure that at higher bandwidths their default settings for SFQ and pfifo are too low... > > The OneDrive link to my flent files should still be active in that post as > well. > > -Jordan > > -Original Message- > From: Dave Tah

[Flent-users] Re: [Starlink] an rtt_fair test?

0 > rate 8mbit > } > upload { > ecn enable > flows 1024 > fq-quantum 300 > limit 10240 > rate 600kbit > target 15ms > } > wan-interface pppoe0 > >

[Flent-users] an rtt_fair test?

if anyone has a bit of spare time this holiday, I'd like to collect a few results from various networks around the web this week, not just on the turris. Example command line and outputs here: https://forum.turris.cz/t/sqm-on-turris-flent-benchmarks/17048/ -- I tried to build a better future, a

[Flent-users] What other magic shims exist for pyqt?

"ERROR: Unable to find a usable Qt version." On Wed, Mar 9, 2022 at 2:08 PM Nathan Owens wrote: > > Yea, I tried all that, and followed the directions to install on my mac > freshly, no luck! > > On Wed, Mar 9, 2022 at 11:05 AM Dave Taht wrote: >> >> a

[Flent-users] centos 8 and cake and flent

Currently centos (and I assume redhat) is at 4.18. Cake went into 4.19 so I assume the next major redhat/centos releases will have it. Is there a yum/rpm expert in the house? flent does not appear to be packaged up for this (?), neither is netperf or irtt. Is there a repo I could use? tc is not

[Flent-users] found in flent

I am hoping to finally get some time to participate in revising the wikipedia articles soon. I've also been dusting off old pieces that could use revision. I'd actually thought I'd published this one: https://github.com/dtaht/blog-cerowrt/blob/master/content/post/found_in_flent.md But didn't.

[Flent-users] D* tcp looks pretty good, on paper

See: https://arxiv.org/pdf/2012.14996.pdf Things I really like: * they used flent * Using "variance" as the principal signal. This is essentially one of the great unpublished and unanalyzed improvements on the minstrel algorithm as well * Conventional ecn response * outperforms bbr on variable

[Flent-users] I guess we need to update some openwrt stuf

https://forum.openwrt.org/t/fq-codel-fast-helpers-test-and-testers/63037/60 -- "For a successful technology, reality must take precedence over public relations, for Mother Nature cannot be fooled" - Richard Feynman d...@taht.net CTO, TekLibre, LLC Tel: 1-831-435-0729

Re: [Flent-users] [tohojo/flent] Customized test displaying error (#203)

On Tue, Apr 28, 2020 at 1:03 PM olg33 wrote: > Ohh, right, the markings_map is only used for irtt and iperf, for > netperf the values are just passed directly through. Totally forgot > about that. I guess I could fix that, but TBH I'm not terribly keen on > supporting non-standard diffserv

Re: [Flent-users] [tohojo/flent] Customized test displaying error (#203)

good to know those markings, thx. So far as I recall riverbed ships cake. Can you confirm? It's easy to modify the prio table but feedback as to what is in use elsewhere has always been lacking. On Tue, Apr 28, 2020 at 10:41 AM olg33 wrote: > Right, using standard markings would make

Re: [Flent-users] [tohojo/flent] Customized test displaying error (#203)

Just because I'm dumb, why are you fiddling with non-standard dscp markings in the first place? I've been trying to get the folk testing this set for a while now, https://tools.ietf.org/html/draft-ietf-tsvwg-rtcweb-qos-18 they are essentially supported in sch_cake's 4 tier model. On Tue, Apr

Re: [Flent-users] [tohojo/flent] Customized test displaying error (#203)

sudo python3 setup.py install or make install flent is actually measuring rate differences, it does not actually assign bandwidth. So your result - where the first flow grabs more bandwidth than the others, is an artifact of your queuing (probably fifo and tcp cubic). The first flow wins. In the

Re: [Flent-users] Running flent in isolated namespace

rrul, not rrule On Fri, Jan 24, 2020 at 12:03 PM Stephen Hemminger wrote: > > Am trying to run flent in a network namespace and it won't work. > Seems to demand connection to the Internet for DNS. > > The scenario is run net server in one namespace, and flent in another. > Forward packets out

[Flent-users] an sce enabled flent server is now up in India, testers wanted

The new linode data center finally went up last week in mumbai. Aside from the ones in singapore and japan, this is the furthest "out" of any flent servers we have. sce-mumbai.taht.net # name might change Right now this server is just under test!! it's the first kernel I've had up with spectre

[Flent-users] duplicating the BBRv2 tests at iccrg in flent?

I see from the iccrg preso at 7 minutes 55 s in, that there is a test described as: 20 BBRv2 flows starting each 100ms, 1G, 1ms Linux codel with ECN ce_threshold at 242us sojurn time. I interpret this as 20 flows, starting 100ms apart on a 1G link with a 1ms transit time and linux codel with

Re: [Flent-users] irtt on flent-london

I guess so... send me a ssh key? On Fri, Jan 25, 2019 at 12:26 AM Pete Heist wrote: > > > > On Jan 11, 2019, at 5:31 PM, Pete Heist wrote: > > > >> On Jan 11, 2019, at 5:00 PM, Dave Taht wrote: > >> > >> I just turned it on again (I think

Re: [Flent-users] IRTT for Android

for it. how much app is needed to wrap for: system("netserver -N"); ? seriously. I have no idea. we've had anyone with any chops at android... and I also confess being curious if the babel 1.8.3 daemon worked on android? > > Thanks, > Louie. > Dave Taht 於 2018年10月9日 週二

[Flent-users] a nice endorsement

" Flent has been an invaluable network analysis tool while performing these experiments and has become my goto application for testing networking performance after making changes/optimizations/tweaks etc. I have used it for testing both WAN performance as well as LAN performance at 10Gbit across

[Flent-users] anyone for quic?

https://github.com/lucas-clemente/quic-go -- Dave Täht CEO, TekLibre, LLC http://www.teklibre.com Tel: 1-669-226-2619 ___ Flent-users mailing list Flent-users@flent.org http://flent.org/mailman/listinfo/flent-users_flent.org

[Flent-users] irtt sleep test

good test. I wish I'd thought of it. Life below a ms is a PITA. For comparison, an aarch64 and an x86_64: root@nanopineo2:~# irtt sleep Testing sleep accuracy... Sleep DurationMean Error % Error 1ns 13.353µs 1335336.9 10ns 14.34µs

Re: [Flent-users] [tohojo/flent] packet loss stats (#106)

A goal for me has been to be able to run Opus at 24 bit, 96Khz, with 2.7ms sampling latency. Actually getting 8 channels of that through a loaded box would be mahvelous. On Mon, Nov 20, 2017 at 1:14 PM, Dave Taht <dave.t...@gmail.com> wrote: > > > On Mon, Nov 20, 2017 at 5:21 A

Re: [Flent-users] [tohojo/flent] packet loss stats (#106)

On Mon, Nov 20, 2017 at 5:21 AM, Toke Høiland-Jørgensen < notificati...@github.com> wrote: > Pete Heist writes: > > >> On Nov 20, 2017, at 1:11 PM, Toke Høiland-Jørgensen < > notificati...@github.com> wrote: > >> > >> Pete Heist writes: > >> >

Re: [Flent-users] [tohojo/flent] packet loss stats (#106)

Of all the codecs out there, I like opus best. (It's deeply in webrtc). g711, and gsm, used to be the most common, but I've been out of this field a long time. ___ Flent-users mailing list Flent-users@flent.org

[Flent-users] bpf tracing has come a really long way

https://github.com/iovisor/bcc -- Dave Täht Let's go make home routers and wifi faster! With better software! http://blog.cerowrt.org ___ Flent-users mailing list Flent-users@flent.org http://flent.org/mailman/listinfo/flent-users_flent.org

[Flent-users] simulating game traffic one day, mayube

http://gafferongames.com/2016/07/21/launch-of-libyojimbo/ -- Dave Täht Let's go make home routers and wifi faster! With better software! http://blog.cerowrt.org ___ Flent-users mailing list Flent-users@flent.org

Re: [Flent-users] Problem with flent on low bandwidth, badly bloated path.

On Thu, Jan 5, 2017 at 8:15 AM, Jim Gettys <j...@freedesktop.org> wrote: > > On Thu, Jan 5, 2017 at 11:12 AM, Dave Taht <dave.t...@gmail.com> wrote: >> >> this is not flent per se' blowing up, but your bloated path blowing >> up, probably. :) > > >

Re: [Flent-users] Problem with flent on low bandwidth, badly bloated path.

this is not flent per se' blowing up, but your bloated path blowing up, probably. :) try a simpler test (tcp_upload or tcp_download) to start with, then the nastier ones. On Thu, Jan 5, 2017 at 7:21 AM, Jim Gettys wrote: > Note that a simple ping during this run reports

[Flent-users] yea... people are "getting" statistics

https://www.vividcortex.com/blog/why-percentiles-dont-work-the-way-you-think -- Dave Täht Let's go make home routers and wifi faster! With better software! http://blog.cerowrt.org ___ Flent-users mailing list Flent-users@flent.org