[tor-bugs] #4483 [Tor Client]: If k of n authorities are down, k/n bootstrapping clients are delayed for minutes

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#4483: If k of n authorities are down, k/n bootstrapping clients are delayed for
minutes
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 Reporter:  arma                    |          Owner:                    
     Type:  defect                  |         Status:  new               
 Priority:  normal                  |      Milestone:  Tor: 0.2.3.x-final
Component:  Tor Client              |        Version:                    
 Keywords:  performance, bootstrap  |         Parent:                    
   Points:                          |   Actualpoints:                    
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 When an authority is down, a client bootstrapping into the network might
 pick it to learn the consensus, and then have to wait until that attempt
 times out.

 We should try to improve the robustness of the authorities. Fine, but
 easier said than done.

 At the same time, we should explore letting clients time out more quickly
 during critical-path directory requests.

 We should make sure not to screw it up for clients that are on genuinely
 slow and high-latency connections. The goal is to improve time-to-
 bootstrap for the average case while not harming it (much) for the already
 bad cases.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/4483>
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