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Re: [tor-bugs] #2866 [Analysis]: Analyze bridges in the "reserved" bucket
#2866: Analyze bridges in the "reserved" bucket
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Reporter: karsten | Owner:
Type: task | Status: needs_review
Priority: normal | Milestone:
Component: Analysis | Version:
Keywords: | Parent:
Points: | Actualpoints:
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Changes (by peer):
* status: assigned => needs_review
Comment:
Based on the bridge pool assignments for December 2012, there does not
appear to be large differences in approximate uptimes based on category
(email/https/unallocated).
December 2012 has 1477 (expected: 1488) assignment files, with timestamps
roughly 30 minutes apart. There were no empty assignment files.
Uptime was approximated by the continuous presence of the bridge's hashed
fingerprint. Each time unit (in the summary below) would be about 30
minutes. If a bridge identifier disappeared and reappeared, two uptime
entries would be generated. If multiple category assignments for an
identifier exist, only the first entry would be taken into account.
Based on uptime entry counts, bridges did not appear to change categories
between consecutive assignment files. However, there does appear to be
slightly fewer uptime entries for the unallocated pool relative to its
fraction (0.13 versus > 0.15).
{{{
Min. 1st Qu. Median Mean 3rd Qu. Max.
all 1.00 2.00 5.00 35.57 14.00 1470.00
email 1.00 2.00 5.00 35.22 14.00 1470.00
https 1.00 2.00 5.00 34.94 13.00 1453.00
unallocated 1.00 2.00 5.00 38.84 13.00 1469.00
}}}
If this analysis is on the right track, the code can be added to the
repository.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2866#comment:7>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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