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Re: [EToSat] [QUIC performance and SATCOM]

Tom Jones <tom@erg.abdn.ac.uk> Thu, 10 October 2019 10:48 UTC

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Date: Thu, 10 Oct 2019 11:45:39 +0100
From: Tom Jones <tom@erg.abdn.ac.uk>
To: Joerg Deutschmann <joerg.deutschmann@fau.de>
Cc: etosat@ietf.org
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References: <F3B0A07CFD358240926B78A680E166FF176933C4@TW-MBX-P02.cnesnet.ad.cnes.fr> <2f287d44-4a03-372d-533a-bd15ab82e7f3@fau.de> <504dc62e-16c0-b31f-d5de-ea50d907090d@fau.de>
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Subject: Re: [EToSat] [QUIC performance and SATCOM]
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On Wed, Oct 09, 2019 at 04:55:58PM +0200, Joerg Deutschmann wrote:
> Dear all,
> 
> we continued our QUIC over satellite performance measurements with
> different operators and QUIC implementations. Unfortunately, these are
> still only black-box tests. The results were presented at the 25th
> KaConf. The related paper [1] also gives an introduction to QUIC,
> therefore you probably want to skip to section 4 and 5.
> 
> [1] www7content.cs.fau.de/~deutschmann/KaConf2019/KaConf2019_QUICoverSatellite_paper.pdf

Hi, 

thanks for sharing these results.

Could you expand, maybe off list, the problems you had with netem and
Linux? 

We have network emulation testbeds here using both dummynet on FreeBSD
and netem on Linux and with some work we managed to get similar network
charactaristics out of both. I do wonder if we might have missed something
that you have seen though.


> Best regards,
> Joerg
> 
> 
> 
> 
> On 15.02.19 16:48, Joerg Deutschmann wrote:
> > Dear all,
> > 
> > thanks for the link to this interesting paper. We did some related work, 
> > which you might be interested in. It will be presented at the NetSys 
> > 2019 conference [1]. A version is available at [2].
> > 
> > While your "QUIC and SATCOM" paper provides more details regarding 
> > HTTP/2 vs. QUIC, we took a broader view. We measured page load times 
> > over HTTP(S)/1.1 and HTTP/2, with and without VPNs. Additionally we set 
> > up two Quic servers (Chromium QUIC and quic-go). All tests were run with 
> > three different satellite internet providers, showing quite some 
> > differences...
> > 
> > Best regards,
> > Joerg
> > 
> > [1] www.netsys2019.org
> > [2] www7content.cs.fau.de/~deutschmann/NetSys2019_preprint.pdf
> > 
> > 
> > 
> > 
> > 
> > On 09.11.18 04:35, Kuhn Nicolas wrote:
> >> Dear all,
> >>
> >> We have recently posted on ArXiv an article on QUIC and its 
> >> performance over a GEO SATCOM link.
> >>
> >> https://arxiv.org/pdf/1810.04970.pdf
> >>
> >> This paper has been presented at IETF 103 @MAPRG 
> >> https://datatracker.ietf.org/meeting/103/materials/agenda-103-maprg-00
> >>
> >> The code used to run these experiments is available, so do not 
> >> hesitate to contact us if you want to reproduce our experiments.
> >>
> >> Kind regards,
> >>
> >> Ludovic Thomas (ISAE-SUPAERO), Emmanuel Dubois (CNES), Nicolas Kuhn 
> >> (CNES), Emmanuel Lochin (ISAE-SUPAERO)
> >>
> > 
> 



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- [tj]

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