Starlink has bufferbloat. Bad.
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From: David Lang <david@lang.hm>
To: Nathan Owens <nathan@nathan.io>
Cc: David Lang <david@lang.hm>, Dave Taht <dave.taht@gmail.com>,
	 "starlink@lists.bufferbloat.net"
	<starlink@lists.bufferbloat.net>
Subject: Re: [Starlink] recent starlink rrul test result
Date: Thu, 3 Mar 2022 12:36:42 -0800 (PST)	[thread overview]
Message-ID: <87o7734r-5ns1-q734-0qr-q0o06sp72s46@ynat.uz> (raw)
In-Reply-To: <CALjsLJs9BkpYRvmcM7OzmxgDxxZODGjj9=R8EKjc_OAtQ9mK9w@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 2768 bytes --]

flent -l 300 --step-size=.05 --socket-stats -H fremont.starlink.taht.net --te=upload_streams=1 -t dlangs-dishy tcp_nup

flent -l 300 --step-size=.05 --socket-stats -H fremont.starlink.taht.net --te=download_streams=1 -t dlangs-dishy tcp_ndown

flent -l 300 --step-size=.05 --socket-stats -H fremont.starlink.taht.net --te=upload_streams=8 -t dlangs-dishy-8 tcp_nup

flent -l 300 --step-size=.05 --socket-stats -H fremont.starlink.taht.net --te=download_streams=8 -t dlangs-dishy-8 tcp_ndown

flent -l 300 --step-size=.05 --socket-stats -H fremont.starlink.taht.net -t dlangs-dishy rrul_be


On Thu, 3 Mar 2022, Nathan Owens wrote:

> Same here, Google Meet / Zoom / Teams / FaceTime are great.
>
> Dave, can you post the commands to run those flent measurements? I also
> finally recreated that irtt-based scatterplot, attached.
>
> On Thu, Mar 3, 2022 at 7:15 AM David Lang <david@lang.hm> wrote:
>
>> That said, I've been using starlink for work zoom calls for a while with
>> no
>> significant issues (nothing I can pin on my side vs the other participants)
>>
>> David Lang
>>
>> On Thu, 3 Mar 2022, Dave Taht wrote:
>>
>>> wildly variable bandwidth, adjusted at 15 sec intervals, induced
>>> latencies of 400ms, really terrible upload throughput relative to
>>> down.
>>>
>>> H/T David Lang for this data.
>>>
>>> On Thu, Mar 3, 2022 at 9:31 AM Livingood, Jason
>>> <Jason_Livingood@comcast.com> wrote:
>>>>
>>>> When folks experience sub-par video conferencing over Starlink, it'd be
>> great to see working latency stats at that time - such as via the easy test
>> at https://www.waveform.com/tools/bufferbloat.
>>>>
>>>> On 2/23/22, 09:38, "Starlink on behalf of Dave Taht" <
>> starlink-bounces@lists.bufferbloat.net on behalf of dave.taht@gmail.com>
>> wrote:
>>>>
>>>>
>> https://urldefense.com/v3/__https://blog.tomevslin.com/2022/02/starlinks-zoomready-rating-is-going-down.html__;!!CQl3mcHX2A!TjZjoTCGYO2gkt9xYrGdFrivrejHIdNjVe0TtEsCuQfDJTyNNy4u3_5CxlN2sj8WTA26WA$
>>>>
>>>>     --
>>>>     I tried to build a better future, a few times:
>>>>
>> https://urldefense.com/v3/__https://wayforward.archive.org/?site=https*3A*2F*2Fwww.icei.org__;JSUl!!CQl3mcHX2A!TjZjoTCGYO2gkt9xYrGdFrivrejHIdNjVe0TtEsCuQfDJTyNNy4u3_5CxlN2sj-yqmwsLA$
>>>>
>>>>     Dave Täht CEO, TekLibre, LLC
>>>>     _______________________________________________
>>>>     Starlink mailing list
>>>>     Starlink@lists.bufferbloat.net
>>>>
>> https://urldefense.com/v3/__https://lists.bufferbloat.net/listinfo/starlink__;!!CQl3mcHX2A!TjZjoTCGYO2gkt9xYrGdFrivrejHIdNjVe0TtEsCuQfDJTyNNy4u3_5CxlN2sj_SP7yVhg$
>>>>
>>>
>>>
>>> _______________________________________________
>> Starlink mailing list
>> Starlink@lists.bufferbloat.net
>> https://lists.bufferbloat.net/listinfo/starlink
>>
>

  parent reply	other threads:[~2022-03-03 20:36 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-23 14:37 [Starlink] zoomready result Dave Taht
2022-03-03 14:31 ` Livingood, Jason
2022-03-03 14:36   ` [Starlink] recent starlink rrul test result Dave Taht
2022-03-03 14:45     ` tom
2022-03-03 15:03       ` Dave Taht
2022-03-03 15:15     ` David Lang
2022-03-03 17:16       ` Nathan Owens
2022-03-03 17:42         ` tom
2022-03-03 20:36         ` David Lang [this message]
2022-03-03 20:37           ` David Lang
2022-03-09 14:23   ` [Starlink] zoomready result Nathan Owens
2022-03-09 14:57     ` Dave Taht
2022-03-09 15:17       ` Nathan Owens
2022-03-11 17:05     ` Luis A. Cornejo
2022-03-11 22:48       ` Nathan Owens

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