[RIPE Atlas Ambassadors] Question of high availability for atlas via different ASNs

Thanks for inputs Vaibhav and Philip


@Philip - Can you share if probes come online and connect back to RIPE
infra if WAN IP is changed within 30 seconds?



Thanks.

On Fri, Jul 21, 2017 at 2:52 PM, Philip Homburg <philip.homburg at ripe.net>
wrote:

> On 2017/07/20 19:55 , Anurag Bhatia wrote:
> > Greetings from India. I am hosting RIPE Atlas probe at home for a while.
> > I have two connections - primary which is high capacity symmetric link
> > and secondary which is a low-end cable broadband connection. The core
> > router is Ubnt edge router and it runs "load balancing" to keep primary
> > link as primary and switch to secondary if the primary is down for more
> > than 30 seconds. This setup works well for me but RIPE Atlas is not part
> > of this "auto switch" if the primary is down.
> >
> > I wonder if it makes sense to add RIPE Atlas to it?
> >
> >  1. It will improve my monthly availability report and possibly will
> >     move from 98% uptime (of primary) to 99.9% uptime (of both links)
> >     and that's actually real uptime on LAN.
> >
> >  2. But it would screw up probe data as both networks are completely
> >     different and have different sets of upstream resulting in different
> >     routing preference to root DNS instances etc.
>
> Hi Anurag,
>
> From an operational point of view we don't care. I.e., if the probe
> measures what other hosts in your network would see, then that's fine.
> Even if it would be confusing.
>
> If you want to know what the wider Atlas community thinks, then it would
> be best to ask on the main Atlas mailing list.
>
> Philip
>
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>



-- 


Anurag Bhatia
anuragbhatia.com
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