[atlas] Probe with ever changing upstreams/ASs?

+ripe-atlas

Regards,
Grzegorz

From: "Ponikierski, Grzegorz" <gponikie at akamai.com>
Date: Thursday, 3 August 2023 at 17:49
To: Carsten Schiefner <carsten at schiefner.de>
Subject: Re: [atlas] Probe with ever changing upstreams/ASs?

Hi!

It depends on use case. For me, such probe would be fine for one-off measurements but for continuous measurements I would filter out such probe to avoid noise in data. However, when I looked on freifunk.net map I noticed that this network span across Germany, Switzerland, and Austria so even for one-off measurements usage of such probe is questionable because I never know where remote end of the tunnel is. If I understand correctly it can jump from country to country every day. In other words, such probe would be tricky to handle and user will have to be aware how such probe behave to properly handle data generated by it. Probably new system tag would be needed to mark such exotic probe.

Regards,
Grzegorz

From: Carsten Schiefner <carsten at schiefner.de>
Date: Thursday, 3 August 2023 at 15:07
To: "ripe-atlas at ripe.net" <ripe-atlas at ripe.net>
Subject: [atlas] Probe with ever changing upstreams/ASs?

All -

I wonder whether this is a good idea or rather a really bad one...

I have a free port on a Freifunk router where I could plug in a RIPE
Atlas probe.

Freifunk is a community where you - amongst other things - can offer a
bit of your bandwidth to "the world". This connectivity sharing however
is set up as a tunnel to various ISPs (for-profit companies and
non-profit associations) as these would enjoy the "provider privilege":
that in short is not to be held accountable for e.g. copy right
infringements etc. ("Störerhaftung").

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.

And now I am asking myself: a probe with ever changing upstreams/ASs -
shall such an addition to the RIPE Atlas network be considered a fault
or a feature?

Any comments, anybody?

Cheers,

                -C.

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