[tor-relays] AS awareness (was: Strange Traffic behaviour)

Mirimir mirimir at riseup.net
Sun Jul 29 21:37:27 UTC 2018

On 07/29/2018 02:26 PM, nusenu wrote:
>>> If I know the relays IP I could give you the probabilities of your relay
>>> relaying traffic to others in the same AS (since a relay will usually not
>>> be used with others in the same /16 netblock)
>> It'd be better for relays to avoid connecting within an AS, right?
> better according to what metric?

Risk of coordinated compromise.

>> Rather than just within /16. Or at least, if there were enough AS
>> diversity. Which I'm guessing there isn't. So that would limit the
>> number of possible circuits too much. Is that accurate?
> it will certainly limit the possible circuits a lot since the biggest
> 10 autonomous systems make up about 50% of the entire tor network.

Yeah, that was my vague recollection.

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