[tor-dev] Implications of switching to a single guard node: some conclusions

Roger Dingledine arma at mit.edu
Tue Mar 25 23:11:24 UTC 2014


On Tue, Mar 25, 2014 at 01:41:43PM -0700, Mike Perry wrote:
> Nicholas Hopper:
> >  I modified Aaron Johnson's TorPS simulator to
> > simulate 50K clients

> ** The reason I ask is because I suspect there is actually an interplay
> between the current circuit build timeout code and the pool of 3 guards.
> The CBT cutoff will tend to cause you to avoid whichever of your guards
> may be temporarily overloaded at a given time.

Does Aaron's TorPS implement the circuit-build-timeout behavior?

I wouldn't be surprised if it skipped over that, since (for example)
where would you get the realistic data about network latencies and relay
delays to be able to simulate it?

--Roger



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