[tor-bugs] #5547 [Tor]: Add support for resolving destination names to IPv6 and exiting to IPv6 destinations

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#5547: Add support for resolving destination names to IPv6 and exiting to IPv6
destinations
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 Reporter:  karsten                                    |          Owner:  nickm             
     Type:  project                                    |         Status:  needs_review      
 Priority:  normal                                     |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor                                        |        Version:                    
 Keywords:  SponsorF20121101 needs-proposal tor-relay  |         Parent:                    
   Points:                                             |   Actualpoints:                    
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Comment(by andrea):

 Then I can think of one harder one: a multiprotocol network where relays
 are allowed to support only a subset of all protocols means the
 connectivity graph among relays is no longer complete.  This complicates
 path selection.  I didn't see anything here about that.  We should be able
 to handle stuff like, for example, an IPv6 only client and an IPv4 only
 exit, but the client can still use that exit because at least one of the
 entry guard or the middle node for the circuit has both IPv4 and IPv6
 support.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/5547#comment:18>
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