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Re: [tor-bugs] #8240 [Tor]: Raise our guard rotation period
#8240: Raise our guard rotation period
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Reporter: arma | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: Tor: 0.2.4.x-final
Component: Tor | Version:
Keywords: tor-client needs-proposal 023-backport | Parent:
Points: | Actualpoints:
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Comment(by arma):
Replying to [comment:6 mikeperry]:
> One way to improve this balancing problem might to adjust the Wxx
weights such that the guard ones are dependent on how long you've had the
guard flag vs this rotation parameter. If we had a curve to model the
migration rate and metadata to record the Guard flag age to create points
on this curve, this might not be too hard to do. I suppose a uniform
migration rate might be as good an assumption as any...
I agree that a uniform migration rate is as good as any (I assume by
migration you mean from clients with the old behavior to clients with the
new behavior). But further, don't forget that another factor here is new
users showing up and picking guards. I guess we could assume that those
are negligible (not true but hey, maybe it's close enough).
I like the notion of changing the weights, but I feel like inflating the
Bandwidth= weight is the wrong way to do it. I increasingly think we need
a per-relay thing to say "how much of a guard it is".
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8240#comment:7>
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