[tor-bugs] #17835 [Tor]: Make ClientPreferIPv6ORPort/DirPort smarter

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#17835: Make ClientPreferIPv6ORPort/DirPort smarter
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 Reporter:  teor    |          Owner:
     Type:  defect  |         Status:  new
 Priority:  Medium  |      Milestone:  Tor: 0.2.9.x-final
Component:  Tor     |        Version:
 Severity:  Normal  |     Resolution:
 Keywords:          |  Actual Points:
Parent ID:  #17811  |         Points:
  Sponsor:          |
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Comment (by teor):

 We could just switch preferred address families on (purportedly) dual-
 stack clients when a connection fails. That seems simpler.

 As long as we connect to 4 authorities in the authority-only schedule,
 it's no worse than 0.2.7 for single-stack clients.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17835#comment:2>
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