[tor-dev] How about capping single operators to max. 10% exit capacity of the network?
nusenu-lists at riseup.net
Sun Dec 10 22:25:00 UTC 2017
>> since a single operator now controls more than 10% of the tor network's
>> exit capacity
> Or rather, do they control more than 10% of the Tor Network's consensus
I'm referring to exit probability.
> How do you define an "operator"?
Lets use "family" that is be more clear.
> How many operators would this affect over the past few years?
From the top of my head I know about two
but I didn't parse historic data to be able to give a more precise answer.
> I thought we generally asked operators to keep it to 5%?
Yes I'm aware of the discussion on tor-relays@ where Roger said:
> I think 5% exit share is fine, and 10% is probably a bit too high.
> That means as you grow past 5%, you should work with the other big exit
> relay operator groups
but operators have no effective means in controlling their own share, if
for example another big operator disappears.
> And I think we should focus our efforts on expanding the pool of exits,
> and improving bandwidth measurement, rather than limiting operators
> who are helping the network. (New automatic limits will likely be seen
> as a rejection of someone's contribution, so they should be handled very
I see your point.
Also note that there are operators that would actually appreciate such a
limit because they do not want to run more than X% (see tor-relays@).
thanks for your reply,
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