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Re: [tor-bugs] #20534 [Core Tor/Tor]: Revise hard-coded download schedules
#20534: Revise hard-coded download schedules
-------------------------------------------+-------------------------------
Reporter: teor | Owner: nickm
Type: defect | Status: accepted
Priority: Medium | Milestone: Tor:
| 0.3.0.x-final
Component: Core Tor/Tor | Version: Tor:
| 0.2.9.1-alpha
Severity: Normal | Resolution:
Keywords: regression, CoreTorTeam201611 | Actual Points:
Parent ID: #20499 | Points: 0.5
Reviewer: | Sponsor:
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Comment (by teor):
Turns out that sometimes I just can't do my sums right.
Here are the actual figures for each case with exponent 4 (multiplier 3):
Initial delay 0: (most schedules)
{{{
Attempt / Failure Min Increment Max Increment Average Minimum
Maximum
1 0 0 0 0 0
2 1 2 2 1 2
3 1 8 5 2 10
4 1 32 13 3 42
5 1 128 33 4 170
6 1 512 84 5 682
7 1 2048 211 6 2730
}}}
Initial delay 6: (client bootstrap from authorities)
{{{
Attempt / Failure Min Increment Max Increment Average Minimum
Maximum
1 0 0 6 6 6
2 1 20 11 7 26
3 1 80 27 8 106
4 1 320 69 9 426
5 1 1280 174 10 1706
}}}
Initial delay 1200: (bridge client bridge descriptors)
{{{
Attempt / Failure Min Increment Max Increment Average Minimum
Maximum
1 0 0 1200 1200 1200
2 1 3602 1802 1201 4802
3 1 14408 4505 1202 19210
4 1 57632 11263 1203 76842
}}}
And for test networks, with exponent 3 (multiplier 2):
Initial delay 0: (most schedules)
{{{
Attempt / Failure Min Increment Max Increment Average Minimum
Maximum
1 0 0 0 0 0
2 1 2 2 1 2
3 1 6 4 2 8
4 1 18 9 3 26
5 1 54 19 4 80
6 1 162 39 5 242
7 1 486 79 6 728
}}}
Initial delay 20 (bridge client bridge descriptors):
{{{
Attempt / Failure Min Increment Max Increment Average Minimum
Maximum
1 0 0 20 20 20
2 1 42 42 21 62
3 1 126 84 22 188
}}}
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20534#comment:19>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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