[tor-bugs] #25687 [Core Tor/Tor]: over-report of observed / self-measure bandwidth on fast hardware -- important to torflow / peerflow
Tor Bug Tracker & Wiki
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Tue Sep 18 15:43:07 UTC 2018
#25687: over-report of observed / self-measure bandwidth on fast hardware --
important to torflow / peerflow
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Reporter: starlight | Owner: (none)
Type: defect | Status: new
Priority: Medium | Milestone: Tor: unspecified
Component: Core Tor/Tor | Version: Tor: 0.2.6.10
Severity: Normal | Resolution:
Keywords: tor-bwauth | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Comment (by starlight):
The concern of this ticket is with regard to the observed value published
by the daemon rather than the Torflow calculated vote resulting from it.
I suspect that changes to measurement logic in the daemon have likely
reduced or eliminated the error last definitively observed in 2.6.10. I
may yet write a monitor to evaluate the quality of daemon measurements.
Torflow adjusts self-report with the ratio of the measured bandwidth for a
relay to the average of all measured bandwidths in a manner short on
nuance. Wrote about possible ways to address that here:
https://github.com/torproject/sbws/issues/182#issuecomment-410745893
Have considered opening a Trac ticket encompassing the ideas, but am
waiting for an opportune moment at a point where serious comparison work
is evident.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25687#comment:10>
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