[tor-bugs] #27346 [Core Tor/sbws]: Improve sbws bandwidth accuracy

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Mar 14 11:17:57 UTC 2019


#27346: Improve sbws bandwidth accuracy
---------------------------+-----------------------------------
 Reporter:  teor           |          Owner:  (none)
     Type:  defect         |         Status:  new
 Priority:  Medium         |      Milestone:  sbws: unspecified
Component:  Core Tor/sbws  |        Version:
 Severity:  Normal         |     Resolution:
 Keywords:                 |  Actual Points:
Parent ID:                 |         Points:
 Reviewer:                 |        Sponsor:
---------------------------+-----------------------------------

Comment (by juga):

 For the record, i believe that:

 >> use at least 4 measurements that are at least 6 hours apart
 >> use at least 3 days of observed bandwidth

 It is hard to achieve with the current design, at least for all the
 relays, since it seams to measure 6500 in around 34h, and we still don't
 know the 6500 relays are unique relays, which will know after #28547 is
 implemented or we would have known time ago implementing #29783.

 I also believe, that any optimization on the way the measurements are
 done, should only come after we implement other scaling method that is not
 torflow, since measurements change very little the consensus bandwidth.

 I think #28582 should be done first.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27346#comment:10>
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