[tor-dev] Desired exit node diversity

Virgil Griffith i at virgil.gr
Wed Sep 23 06:18:58 UTC 2015

Let's try a simple special case. In an idealized Tor network, what would
the distribution of exit nodes look like?

* Would each exit node have the same bandwidth? Or would there instead be
only one exit node per AS?

* Would the number of exit nodes constitute exactly 1/3 of all Tor nodes?
Would the total exit node bandwidth constitute 1/3 of all Tor bandwidth?

* Would their distribution of AS numbers match the distribution of AS
numbers of Tor clients? The distribution of Internet users?

Exit nodes seem a nice place to start concretizing what's meant when we say
we want relay diversity. Comments immensely appreciated because as-is I
don't know the answers to these questions.

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