[tor-bugs] #7509 [Tor]: Publish and use circuit success rates in extrainfo descriptors

Tor Bug Tracker & Wiki blackhole at torproject.org
Sun Nov 18 23:28:20 UTC 2012


#7509: Publish and use circuit success rates in extrainfo descriptors
---------------------------------------+------------------------------------
 Reporter:  mikeperry                  |          Owner:                    
     Type:  enhancement                |         Status:  new               
 Priority:  normal                     |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor                        |        Version:                    
 Keywords:  mumble-feature, tor-relay  |         Parent:  #5456             
   Points:                             |   Actualpoints:                    
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Comment(by arma):

 Replying to [comment:1 aagbsn]:
 > Replying to [ticket:7509 mikeperry]:
 > > arma suggests we publish create cell success rates in the extrainfo
 descriptors. We want to use these values to measure the actual rate of
 client circuit success network wide given our current path selection
 weights.
 >
 > I guess you mean that each relay publishes the average circuit success
 rate within a time window for all circuits, and not each edge (the success
 rate per relay).

 That's what I meant. Actually, I didn't suggest to publish the success
 rate, but rather the numerator and denominator of the rate.

 If we want to have some opinion about the rest of the network, maybe each
 relay could publish the success numbers of create cells it passed along to
 others, too? So, each relay would be publishing four numbers in its extra-
 info desc.

 > Perhaps it's worth doing both?

 That's usually the case.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7509#comment:2>
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