[tor-bugs] #16844 [Tor]: Duplicate directory fetches when on high-latency connection

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#16844: Duplicate directory fetches when on high-latency connection
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 Reporter:  arma        |          Owner:
     Type:  defect      |         Status:  needs_review
 Priority:  High        |      Milestone:  Tor: 0.2.9.x-final
Component:  Tor         |        Version:
 Severity:  Normal      |     Resolution:
 Keywords:  tor-client  |  Actual Points:
Parent ID:              |         Points:  small/medium
 Reviewer:              |        Sponsor:
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Comment (by arma):

 Replying to [comment:11 yawning]:
 > Replying to [comment:9 arma]:
 > > How about if we disable the stream timeouts for begindir requests?

 > Sockets/file descriptors on the other end are a finite resource and I
 don't feel particularly warm/fuzzy about connections that linger around
 for a long time (think Slowloris), especially given that we are shifting
 to making every Guard able to serve directory information, and there are
 probably Guards that are running on resource constrained hardware.
 >
 > Relaxing the timeout may be ok, removing it entirely feels like a bad
 idea.

 I'm talking about the voluntary timeout on the *client* side here. I think
 the server side needs its own defenses against people who choose not to
 time out, but that's different.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16844#comment:13>
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