[tor-bugs] #13908 [Core Tor/Tor]: Make it safe to set NumDirectoryGuards=1

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#13908: Make it safe to set NumDirectoryGuards=1
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 Reporter:  arma                                 |          Owner:  (none)
     Type:  enhancement                          |         Status:  new
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  unspecified
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  needs-proposal, tor-client, needs-   |  Actual Points:
  design guards client-enumeration research-     |
  program                                        |
Parent ID:  #21006                               |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by arma):

 Another piece of moving to just one directory guard: right now relays will
 return a 503 if they're running low on bandwidth in their token buckets.
 The idea is it's fine to shed load and push it somewhere else in the
 network that can handle it.

 But if we have guards who have run out of bandwidth and they're serving a
 bunch of 503's, this won't be any fun for the clients who use those
 guards.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13908#comment:6>
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