[atlas] Probe with ever changing upstreams/ASs?
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Carsten Schiefner
carsten at schiefner.de
Fri Aug 4 10:25:56 CEST 2023
Hi Robert, hmm... now what? Shall we give it a try? What I could do for start is to relocate my probe #159 to this Freifunk port, say for a week or so - and you guys would keep a close eye on it wrt. the results it delivers during this period. What do you think? Cheers, -C. On 03.08.2023 19:53, Robert Kisteleki wrote: > Hi Carsten, > >> Anyhow: as part of this tunnel setup, the other end of the tunnel >> changes every 24 to 48 hours - and so does the upstream and therefore >> also the AS of the upstream provider. > > I think the short answer is: probably not highly useful. But of course > it depends :-) > > Each result is tagged with the (then) source IP of the probe, as far as > the infrastructure knows that. For argument's sake let's say that is the > IP where the probe is otherwise connecting from. > > If that IP, because of the tunnels, changes regularly, then it's ... > kind of ok, results from different days will vary both in RTT and in > source IP (and in actual content. eg. DNS or TLS results). However, if > the probe's IP stays stable but the results vary each day, then it's may > be confusing to interpret. > > At the end of the day, measurements involving this probe would give > varying results depending on time. It's totally real, but is it useful? > > Cheers, > Robert
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