[tor-bugs] #5462 [Tor Client]: Clients should alert the user if many guards are unreachable

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#5462: Clients should alert the user if many guards are unreachable
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 Reporter:  mikeperry   |          Owner:       
     Type:  defect      |         Status:  new  
 Priority:  major       |      Milestone:       
Component:  Tor Client  |        Version:       
 Keywords:              |         Parent:  #5456
   Points:              |   Actualpoints:       
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Comment(by nickm):

 Agreed.  So let's see.  I'll babble a little and perhaps come up with a
 solution at the end of it:

 We want to detect when we can get through to only a subset of possible
 guards that should be up.  We want to distinguish this from the case where
 our network has come up.  So, let's do it like this: let's keep track of
 the status of our last N connection attempts to servers listed as Running.
 If some sufficient fraction of those is "failed", and the most recent
 attempt is "succeeded" , we might be just coming up: we can reattempt the
 connections to guards that had failed.  If they start succeeding, we were
 only down; that's fine.  If they still fail but the successful connections
 are "working", then we should warn.

 Is that a plausible idea?  It would need some nailing-down before it could
 be called an actual spec.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/5462#comment:3>
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