[tor-bugs] #33045 [Core Tor/Tor]: Increase the number of Tor network relays that support IPv6

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#33045: Increase the number of Tor network relays that support IPv6
--------------------------+--------------------------------
 Reporter:  gaba          |          Owner:  (none)
     Type:  project       |         Status:  new
 Priority:  Medium        |      Milestone:
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:  Sponsor55-must
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Comment (by teor):

 Replying to [comment:8 nusenu]:
 > Replying to [comment:7 teor]:
 > > nusenu, you're also using some different calculations from the grant:
 > > * you're calculating Guard IPv6 consensus weight fraction
 >
 > I don't know about the grant but I can explain what my value says, it is
 not what you think it is.
 >
 > I'm not looking at cw fraction to calculate the "Guard: 29.06%" line
 above.
 >
 > I take and sum up onionoo's guard_probability [1] value of relays that
 have an IPv6 OrPort.
 > The guard_probability of relays having the exit flag is always 0, with
 one exception:
 > If the relay has the Exit and BadExit flags, in this specific but rare
 case the exit
 > relay can have a non-zero guard probability.

 Great, so we're using similar calculations.

 > > * the grant uses Guard-but-not-Exit IPv6 consensus weight fraction
 >
 > If the grant is about supporting Tor clients only (which I hope it is
 not since I thought client-to-guard supports IPv6 already) than it seems
 odd
 > to use cw fraction instead of "what fraction of guard capacity is
 reachable via IPv6?" metrics.

 The grant is about increasing the number of relays on IPv6, so that it's
 safer for clients to use IPv6:
 https://trac.torproject.org/projects/tor/wiki/org/sponsors/Sponsor55

 > [1]
 https://metrics.torproject.org/onionoo.html#details_relay_guard_probability

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33045#comment:9>
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