[metrics-bugs] #30219 [Metrics/CollecTor]: Add Tom's bandwidth file archive to CollecTor
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Tue Jul 9 15:30:56 UTC 2019
#30219: Add Tom's bandwidth file archive to CollecTor
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Reporter: irl | Owner:
| metrics-team
Type: enhancement | Status: new
Priority: Medium | Milestone:
Component: Metrics/CollecTor | Version:
Severity: Normal | Resolution:
Keywords: tor-bwauth,tor-dirauth,metrics- | Actual Points:
roadmap-2019-q2 |
Parent ID: #21378 | Points:
Reviewer: | Sponsor:
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Comment (by tom):
Replying to [comment:11 irl]:
> Is there always a one to one mapping of bwauth to dirauth?
No
> Can you run a bwauth without having a dirauth attached to it?
Absolutely. In fact all of the maatuska-* files in the dataset are a
bwauth whose bwauth files were never used by a dirauth. Other people have
run bwauths on the tor network without sending them to a dirauth also.
Whether collector wants to support those is a whole other matter. For one
thing the files would need to be important manually (or a new collector-
scanner set up to download them in a non-standard way.)
> Can one bwauth be consumed by multiple dirauths?
Yes, although this is discouraged. I'm not sure it's ever happened,
although we did consider it at one point to get the network kicked out of
a state where we weren't using bwauth measurements for path selection.
Also you didn't ask: can a dirauth use multiple bwauths?
It can, although I don't think this has ever happened. The dirauth would
need to switch between the bwauths on some schedule or otherwise combine
the files in a way I don't think we've ever considered. Typically, to
achieve diversity, a bwauth performs its downloads from multiple
differingly-geolocated servers
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30219#comment:12>
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