[tor-bugs] #7009 [Tor]: Handle unstable relays better

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#7009: Handle unstable relays better
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 Reporter:  arma                 |          Owner:                  
     Type:  project              |         Status:  new             
 Priority:  normal               |      Milestone:  Tor: unspecified
Component:  Tor                  |        Version:                  
 Keywords:  tor-relay, SponsorJ  |         Parent:                  
   Points:                       |   Actualpoints:                  
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 Here's what we promised:
 "The Tor Project will investigate and expand our research and designs for
 Consensus Diffs in Proposal 140. Tor clients and servers need a list of
 which relays are on the network. This list, the consensus, is created by
 authorities hourly and clients fetch a new copy of it every two to four
 hours. We will research, design, and implement approaches that allow
 clients to download diffs of the consensus at more frequent intervals.
 This improvement will save bandwidth on both the client and relay side,
 but more importantly it will allow clients to more quickly discover
 changes in relay addresses."

 I think scheduling this work for 0.2.5 is a good timeframe (assuming we
 can stick to our 0.2.4 schedule).

 This is intended to be a pretty broad scope of "better handle relays that
 aren't so stable", so we should brainstorm and add related topics that
 will also help -- such as "relays notice that their IP has changed faster
 so they republish faster", "the bwauths form an opinion quicker about new
 relays", "the dirauths should publish v3 interim votes between themselves
 more often", etc.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7009>
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