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Re: [tor-bugs] #34257 [Metrics/Onionperf]: Analyze unusual distribution of time to extend to first hop in circuit



#34257: Analyze unusual distribution of time to extend to first hop in circuit
-------------------------------+--------------------------------
 Reporter:  karsten            |          Owner:  metrics-team
     Type:  defect             |         Status:  new
 Priority:  Medium             |      Milestone:
Component:  Metrics/Onionperf  |        Version:
 Severity:  Normal             |     Resolution:
 Keywords:                     |  Actual Points:
Parent ID:                     |         Points:
 Reviewer:                     |        Sponsor:  Sponsor59-must
-------------------------------+--------------------------------

Comment (by dgoulet):

 That is quite impressive results...

 So for some reasons, in the Netherlands, everything is the same time to
 extend to whatever hops but then it increases by a factor of 2 for US and
 then to some crazy values for HK... huh...

 If this was a problem within little-t tor, I would have expected to see
 the .nl with a longer latency as well....

 The big difference I can see is that the first graph is `client -> relay`
 where the rest is `relay -> relay`.

 Suggestion: is there any chance you can run your Onionperf _from_ a relay
 IP just to rule out some sort of traffic shaping for `client->relay`
 versus `relay->relay` connection only based on the source IP? Then I think
 we might want, again if possible, try with `client->bridge`?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/34257#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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