[tor-bugs] #5788 [Tor]: Add support for relays without an IPv4 address

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#5788: Add support for relays without an IPv4 address
----------------------------+------------------------------
 Reporter:  ln5             |          Owner:  ln5
     Type:  enhancement     |         Status:  new
 Priority:  Medium          |      Milestone:  Tor: 0.2.???
Component:  Tor             |        Version:
 Severity:  Normal          |     Resolution:
 Keywords:  ipv6 tor-relay  |  Actual Points:
Parent ID:                  |         Points:
  Sponsor:                  |
----------------------------+------------------------------
Changes (by teor):

 * severity:   => Normal


Comment:

 lva, I'm starting work on bootstrapping over IPv6.
 We'll likely implement it in clients first.

 Unfortunately, tor assumes relays are fully-connected, and so an IPv6-only
 relay would cause path building to fail when it couldn't connect to an
 IPv4-only relay.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/5788#comment:10>
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