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Re: [tor-bugs] #27338 [Core Tor/sbws]: How long should sbws keep measured and observed bandwidths?



#27338: How long should sbws keep measured and observed bandwidths?
---------------------------+-------------------------------------
 Reporter:  teor           |          Owner:  (none)
     Type:  task           |         Status:  new
 Priority:  Medium         |      Milestone:  sbws 1.0 (MVP must)
Component:  Core Tor/sbws  |        Version:
 Severity:  Normal         |     Resolution:
 Keywords:                 |  Actual Points:
Parent ID:  #27108         |         Points:
 Reviewer:                 |        Sponsor:
---------------------------+-------------------------------------

Comment (by juga):

 Replying to [comment:2 juga]:

 > > Oh, and I think we should always use the latest
 {Relay,}Bandwidth{Rate,Burst}.
 >
 > Do you mean descriptors' bandwidth burst [0]?. We have not used it yet
 for anything. How should we use them?.
 > We have only used descriptors' bandwidth average [1] to cap the
 measurements.

 Bandwidth in consensus[2] is min(observed bandwidth, bandwidth rate limit,
 10MB/s)
 I guess bandwidth rate limit here is bandwidth burst, right?
 Should the torflow or sbws scaled bandwidth be limited to the the
 bandwidth burst?. AFAIK torflow is not doing that.

 > [0] https://gitweb.torproject.org/torspec.git/tree/dir-spec.txt#n427
 > [1] https://github.com/pastly/simple-bw-
 scanner/blob/master/sbws/lib/v3bwfile.py#L314
 [2] https://gitweb.torproject.org/torspec.git/tree/dir-spec.txt#n2595

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27338#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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