[tor-bugs] #19068 [Core Tor]: Write and run a clique reachability test.

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#19068: Write and run a clique reachability test.
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     Reporter:  yawning   |      Owner:
         Type:  task      |     Status:  new
     Priority:  Medium    |  Milestone:
    Component:  Core Tor  |    Version:  Tor: unspecified
     Severity:  Normal    |   Keywords:  stem, tooling
Actual Points:            |  Parent ID:
       Points:            |   Reviewer:
      Sponsor:            |
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 It would be useful to know what the full inter-relay connectivity graph
 looks like, and how far it differs from the "every relay can always reach
 every other relay" ideal.

 https://www.sba-research.org/wp-
 content/uploads/publications/NavigaTor_preprint.pdf

 This should be something doable with stem, and ideally we can run it
 periodically/automatically, and use it to do things like reject relays
 that have extremely poor connectivity.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19068>
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