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Re: [tor-bugs] #6662 [Compass]: group by family
#6662: group by family
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Reporter: cypherpunks | Owner:
Type: enhancement | Status: new
Priority: normal | Milestone:
Component: Compass | Version:
Keywords: | Parent:
Points: | Actualpoints:
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Comment(by cypherpunks):
Hi Karsten,
thank you for coming back to me so quick.
Replying to [comment:1 karsten]:
> I agree that it would be useful to have such a check box, and I really
want to implement it, because I'm interested in the results, too.
>
> But I'm more and more convinced that it's not possible to group relays
by family, or at least not in an unambiguous way. What ''is'' possible is
looking up relays in the same family of a ''given'' relay. But looking at
''all'' relays and grouping them by family seems hard if not even
impossible.
>
> Here's an example. Assume we have three relays: A, B, and C. These
relays state the following family relationships:
>
> - A: A, B
> - B: A, B, C
> - C: B, C
>
> We require mutual agreement about being in the same family, so we could
either come up with family A, B or with family B, C. Which one is
correct?
In this situation we have two overlapping families.
family1 = A,B
family2 = B,C
For compass (even if this is not the case in real path selection by tor
clients) I would choose the simple approach: merge overlapping families:
family (as seen/interpreted by compass) = A, B, C
If you would go this path (merging such overlapping families) you could
still ad an option that requires strict mutual agreement. (Than you would
have two separate families: family1 & family2).
What do you think about this approach (merging overlapping families)?
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/6662#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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