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Re: [tor-bugs] #3443 [Tor Client]: Client with low CBT can't switch to a bridge if it's slow
#3443: Client with low CBT can't switch to a bridge if it's slow
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Reporter: arma | Owner:
Type: defect | Status: new
Priority: major | Milestone: Tor: 0.2.3.x-final
Component: Tor Client | Version:
Keywords: regression | Parent:
Points: | Actualpoints:
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Comment(by ioneyes):
Replying to [comment:16 ioneyes]:
I made a slight inaccuracy. You need to allocate at least 2 seconds of
build time, for each hop (normally 3=6 seconds) for every 1 second of ping
response time. A rough guide.
> Replying to [comment:15 ioneyes]:
>
> In summary. Tor appears to be behaving as expected. A low
CircuitBuildTimeout (too low for the current network) will result in
circuits timing out before Tor gets a chance to build them.
>
> From testing it seems you have to allow at least 2 seconds of circuit
build time for every second of ping response time on the current network.
This seems to give Tor the time it needs to build circuits.
>
> It also gives Tor enough latitude to increase its CircuitBuildTimeout in
conjunction with the pareto distribution its modelled on, when a network
connection speed reset (to a slower responding network) occurs.
>
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/3443#comment:17>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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