[tor-bugs] #12688 [Tor]: Make NumEntryGuards configurable by the consensus

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#12688: Make NumEntryGuards configurable by the consensus
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     Reporter:  arma         |      Owner:
         Type:  enhancement  |     Status:  needs_review
     Priority:  normal       |  Milestone:  Tor: 0.2.4.x-final
    Component:  Tor          |    Version:
   Resolution:               |   Keywords:  tor-client
Actual Points:               |  Parent ID:  #11480
       Points:               |
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Comment (by arma):

 Replying to [comment:9 andrea]:
 > I thought we were trying to get away from 3 guards?  I'd feel slightly
 better if the default value passed into networkstatus_get_param() weren't
 the case we were trying to avoid, but I believe this is okay.

 My hope here is to exactly duplicate the current situation, just making it
 configurable via the consensus.

 Then later, once enough people have upgraded that there won't be some
 weird partitioning thing going on for users who just upgraded, we can flip
 the switch in the consensus and move people to 1 guard.

 (And if things go horribly in some unforseen way, we can move it back to 3
 and maybe they'll go unhorribly again.)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12688#comment:10>
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