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Re: [tor-bugs] #4486 [Analysis]: Research: should N23 actually help in practice?
#4486: Research: should N23 actually help in practice?
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Reporter: arma | Owner:
Type: task | Status: new
Priority: normal | Milestone:
Component: Analysis | Version:
Keywords: performance flowcontrol | Parent: #4506
Points: | Actualpoints:
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Comment(by robgjansen):
I just uploaded the
[https://trac.torproject.org/projects/tor/attachment/ticket/4486/20120810-ec2-n23-combined.pdf
client performance graphs]. You can find the Tor network and client model
described in[https://trac.torproject.org/projects/tor/ticket/6401 #6401].
There are 3 simulations here, all done with tor-0.2.3.16-alpha. In the N23
sims, I merged 0.2.3.16-alpha into arma's n23-2 branch.
Load distribution in vanilla Tor:
{{{
TYPE #XFERS GiB %
im 34735 0.033 0.075
web 85779 26.178 59.376
bulk 1586 7.744 17.565
p2p 596397 9.100 20.641
perf50k 1896 0.090 0.205
perf1m 965 0.942 2.138
TOTAL 721358 44.088 100.000
}}}
Load distribution with !CircuitPriorityHalflife 0, UseN23 1:
{{{
TYPE #XFERS GiB %
im 21581 0.021 0.050
web 77185 23.555 57.493
bulk 3323 16.226 39.603
p2p 42 0.001 0.002
perf50k 1686 0.080 0.196
perf1m 1114 1.088 2.655
TOTAL 104931 40.970 100.000
}}}
Load distribution with !CircuitPriorityHalflife 30, UseN23 1:
{{{
TYPE #XFERS GiB %
im 26429 0.025 0.064
web 73069 22.299 56.764
bulk 3265 15.942 40.583
p2p 8 0.000 0.000
perf50k 1672 0.080 0.203
perf1m 960 0.938 2.386
TOTAL 105403 39.284 100.000
}}}
We are again seeing problems with the clients, this time with the P2P
clients. We should really focus on getting things right in #6341 before
running more experiments here, since that patch is much simpler than this.
We should definitely re-run this, but I'm posting the current results
anywway in case they are useful.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/4486#comment:14>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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