[tor-relays] Probabilities

teor teor at riseup.net
Wed Dec 4 00:50:53 UTC 2019


> On 27 Nov 2019, at 05:58, Vitor Milagres <vitormilagres4 at gmail.com> wrote:
> What do guard, middle and exit probabilities mean?
> Say, for example, that the middle probability for a certain relay is 0.15% and the guard probability for the same relay is 0.20%. What does that mean?

A client has a probability of 0.20% of choosing the relay as a guard
in any circuit, and an 0.15% probability of choosing it as a middle.

There are some other rules that restrict which relays can be in a
circuit together, they might change the actual probabilities slightly.

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