[mat-wg] Possible new RIS Beacon? (Alternating visible pair)

I managed to totally miss that section of the docs, My bad (and
thanks)! I will try with those and report back if that works though I
do think that 10 mins is a little tight!

Cheers Job




On Mon, Jan 22, 2024 at 6:26 PM Job Snijders <job at sobornost.net> wrote:
>
> Dear Ben,
>
> On Mon, Jan 22, 2024 at 06:16:28PM +0000, Ben Cartwright-Cox via mat-wg wrote:
> > On my seemingly never ending task to find all "stuck" BGP sessions, I
> > feel like there is an interesting thing that could be done for the
> > RIPE RIS Beacons, and that is a pair of prefixes that alternate
> > between being visible and invisible (IE: unannounced).
> >
> > I looked at the current estate of beacon prefixes and couldn't find
> > anything that would fit this use case already.
>
> Good news - I think this is already covered by existing beacons! :-)
>
> Reading https://ris.ripe.net/docs/routing-beacons/#current-beaconing-setup
>
>     """
>     For all beacon prefixes below we have a 2 hour up - 2 hour down
>     schedule. Specifically:
>
>     Announcements at 00:00, 04:00, 08:00, 12:00, 16:00, 20:00 (UTC)
>     Withdrawals at   02:00, 06:00, 10:00, 14:00, 18:00, 22:00 (UTC)
>     """
>
> Make sure to focus on the 'type = beacon' prefixes, and use 'type =
> anchor' as baseline: e.g. if 'anchor' is missing but you see 'beacon',
> something is off.
>
> The above beacons have been used in the past to study the zombie
> phenomenon: https://www.iijlab.net/en/members/romain/pdf/pora_anrw2021.pdf
>
> Using these beacons in a semi-real-time fashion in your monitoring
> service seems productive.
>
> Kind regards,
>
> Job