[tor-relays] Drop in consensus weight

r1610091651 r1610091651 at telenet.be
Tue Nov 8 23:07:10 UTC 2016


Based on found numbers, some thoughts:
* shouldn't there be more authority servers? DNS system has 13 root servers
spread over the globe...
* not all authority servers are equal:
** reported data varies greatly between servers
https://consensus-health.torproject.org/consensus-health-2016-11-08-19-00.html#36EE8D47E570B8D5515460A9972F3CFD9EDFDFCE
: maatuska=1400 <> gabelmoo=4060
** some authorities vary greatly in reported data:
https://consensus-health.torproject.org/consensus-health-2016-11-08-19-00.html#36EE8D47E570B8D5515460A9972F3CFD9EDFDFCE:
gabelmoo=4060
https://consensus-health.torproject.org/consensus-health-2016-11-08-18-00.html#36EE8D47E570B8D5515460A9972F3CFD9EDFDFCE:
gabelmoo=2110
* authority participating in consensus change, and with only few active
(4-5) at a time, impact of a single authority on network is amplified

By having more servers
* consensus would be more stable (low-median)
* leading to more accurate assessment of nodes
* and wider utilisation of the available nodes
* leading to higher network throughput

Does that sound plausible?

Cheers
Seb

On Tue, 8 Nov 2016 at 17:37 r1610091651 <r1610091651 at telenet.be> wrote:

> Thanks for the link to consensus-health, based data available:
>
> 05/11 17:00
> longclaw=4540
> gabelmoo=4170
> moria1=4410
> faravahar=2520
> => cons: 4170
>
> 05/11 18:00
> longclaw=4550
> gabelmoo=*2170*
> moria1=4410
> faravahar=2520
> => cons: *2520*
>
> So that explains the drop.
>
> Seb
>
> On Tue, 8 Nov 2016 at 13:40 teor <teor2345 at gmail.com> wrote:
>
>
> > On 8 Nov. 2016, at 23:32, r1610091651 <r1610091651 at telenet.be> wrote:
> >
> > The previous drops, i know why they happened (related to server
> unavailability) so I know the cause. For 5th however I have no clue.
>
> As far as I can tell, the relay is accurately measured.
>
> Sometimes, this means that you get a lower measurement than you might have
> had before.
>
> Accurate bandwidth measurements are a good thing for tor users, even if the
> changes in the measurement are sometimes (temporarily) disappointing to
> relay
> operators.
>
> If you want to improve the measurements, try adding more bandwidth.
> For your relay, this means increasing BandwidthRate and BandwidthBurst.
>
> T
>
> --
> Tim Wilson-Brown (teor)
>
> teor2345 at gmail dot com
> PGP C855 6CED 5D90 A0C5 29F6 4D43 450C BA7F 968F 094B
> ricochet:ekmygaiu4rzgsk6n
> xmpp: teor at torproject dot org
>
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