From: Dave Taht <dave.taht@gmail.com> To: "tohojo/flent" <reply+01ead4bfb50827e00535b2c4c7200ca79f6477427c6d795392cf00000001162a98cc92a169ce0ceefa50@reply.github.com> Cc: tohojo/flent <flent@noreply.github.com>, Comment <comment@noreply.github.com>, flent-users <flent-users@flent.org> Subject: Re: [Flent-users] [tohojo/flent] packet loss stats (#106) Date: Mon, 20 Nov 2017 13:14:13 -0800 [thread overview] Message-ID: <CAA93jw4QU4f=mwGSCNio10eEAXAm=O2CrzCxSZ8aA1Ay2wqHNw@mail.gmail.com> (raw) In-Reply-To: <tohojo/flent/issues/106/345693455@github.com> [-- Attachment #1.1: Type: text/plain, Size: 3087 bytes --] On Mon, Nov 20, 2017 at 5:21 AM, Toke Høiland-Jørgensen < notifications@github.com> wrote: > Pete Heist <notifications@github.com> writes: > > >> On Nov 20, 2017, at 1:11 PM, Toke Høiland-Jørgensen < > notifications@github.com> wrote: > >> > >> Pete Heist <notifications@github.com> writes: > >> > >> > G.711 can be simulated today with `-i 20ms -l 172 -fill rand > >> > -fillall`. I do this test pretty often, and I think it would be a good > >> > default voip test. > >> > >> The problem with this is that it also changes the sampling rate. I don't > >> necessarily want to plot the latency every 20ms, so I'd have to > >> compensate for that in the Flent plotter somehow. Also, a better way to > >> deal with loss would be needed. > > > > > > I wondered if/when this would come up… Why not plot the latency every > > 20ms, too dense? > > For the current plot type (where data points are connected by lines), > certainly. It would probably be possible to plot denser data sets by a > point cloud type plot, but that would make denser data series harder to > read. Winstein plot of latency variance? It doesn't get denser, it gets darker. Packet loss vs throughput? > > I guess even if not, eventually at a low enough interval the round > > trip and plotting intervals would need to be decoupled, no matter what > > plot type is used. > > Yeah, exactly. > > > If we want to minimize flent changes, irtt could optionally produce a > > `round_trip_snapshots` (name TBD) array in the json with elements > > created at a specified interval (`-si duration` or similar) that would > > summarize the data from multiple round trips. For each snapshot, there > > would be no timestamps, but the start and end seqnos would be there > > (if needed), mean delays and ipdv, counts (or percentages?) of lost, > > lost_up or lost_down, etc. I’d need to spec this out, but would > > something like this help? > > Hmm, seeing as we probably want to keep all the data points in the Flent > data file anyway, I think we might as well do the sub-sampling in Flent. > Just thinning the plots is a few lines of numpy code; just need to > figure out a good place to apply it. > > Handling loss is another matter, but one that I need to deal with > anyway. Right now I'm just throwing away lost data points entirely, > which loses the lost_{up,down} information. Will fix that and also > figure out the right way to indicate losses. > Groovy. > -Toke > > — > You are receiving this because you commented. > Reply to this email directly, view it on GitHub > <https://github.com/tohojo/flent/issues/106#issuecomment-345693455>, or mute > the thread > <https://github.com/notifications/unsubscribe-auth/AerUv9ZyQpd6Oq7HudRiOYPKKIg8Ey8Aks5s4XzMgaJpZM4MpJAm> > . > > _______________________________________________ > Flent-users mailing list > Flent-users@flent.org > http://flent.org/mailman/listinfo/flent-users_flent.org > > -- Dave Täht CEO, TekLibre, LLC http://www.teklibre.com Tel: 1-669-226-2619 [-- Attachment #1.2: Type: text/html, Size: 4850 bytes --] [-- Attachment #2: Type: text/plain, Size: 151 bytes --] _______________________________________________ Flent-users mailing list Flent-users@flent.org http://flent.org/mailman/listinfo/flent-users_flent.org
next prev parent reply other threads:[~2017-11-20 21:15 UTC|newest] Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <tohojo/flent/issues/106@github.com> 2017-09-26 9:41 ` Toke Høiland-Jørgensen 2017-09-26 18:35 ` Toke Høiland-Jørgensen 2017-10-10 9:08 ` Toke Høiland-Jørgensen 2017-10-15 17:18 ` Toke Høiland-Jørgensen 2017-10-16 15:54 ` Toke Høiland-Jørgensen 2017-10-31 11:12 ` Toke Høiland-Jørgensen 2017-10-31 12:02 ` Toke Høiland-Jørgensen 2017-11-16 9:57 ` Toke Høiland-Jørgensen 2017-11-16 12:15 ` Toke Høiland-Jørgensen 2017-11-16 12:17 ` Toke Høiland-Jørgensen 2017-11-16 12:48 ` Toke Høiland-Jørgensen 2017-11-16 13:07 ` Toke Høiland-Jørgensen 2017-11-16 13:18 ` Toke Høiland-Jørgensen 2017-11-16 14:47 ` Toke Høiland-Jørgensen 2017-11-16 18:09 ` Toke Høiland-Jørgensen 2017-11-16 18:11 ` Toke Høiland-Jørgensen 2017-11-17 14:58 ` Toke Høiland-Jørgensen 2017-11-18 13:04 ` Toke Høiland-Jørgensen [not found] ` <tohojo/flent/issues/106/345442147@github.com> 2017-11-18 19:07 ` Dave Taht 2017-11-20 12:11 ` Toke Høiland-Jørgensen 2017-11-20 13:21 ` Toke Høiland-Jørgensen 2017-11-20 21:14 ` Dave Taht [this message] 2017-11-20 21:44 ` Dave Taht 2017-11-20 16:01 ` Toke Høiland-Jørgensen 2017-11-20 20:58 ` Toke Høiland-Jørgensen 2017-11-21 10:36 ` Toke Høiland-Jørgensen 2017-11-21 14:53 ` Toke Høiland-Jørgensen 2017-11-21 21:56 ` Toke Høiland-Jørgensen 2017-11-22 7:49 ` Toke Høiland-Jørgensen 2017-11-22 12:03 ` Toke Høiland-Jørgensen 2017-11-22 12:05 ` Toke Høiland-Jørgensen 2017-11-22 12:06 ` Toke Høiland-Jørgensen 2017-11-22 13:34 ` Toke Høiland-Jørgensen 2017-11-22 21:57 ` Toke Høiland-Jørgensen [not found] ` <tohojo/flent/issues/106/332043470@github.com> 2017-11-26 16:49 ` Matthias Tafelmeier
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