Supporting LOC RR's

[Dan Mahoney]

I have in the past considered that putting these kinds of records in for anycast nodes (such as, but not limited to root DNS servers), so that a person can glean how far they are from the node serving them (gleaned via hostname.bind or NSID), would be useful and fun science, in that in this way all the info you need would be “in the DNS”.

The fun derivation of “shortest distance with highest latency” is a fun exercise for the audience.

-Dan

> On May 3, 2022, at 3:07 AM, Tony Finch <fanf at isc.org> wrote:
> 
> Timothe Litt <litt at acm.org> wrote:
>> On 02-May-22 09:02, Stephane Bortzmeyer wrote:
> 
>>> Fun is a sufficient reason.
>> 
>> I would never discourage anyone from having (harmless) fun.
>> 
>> On the other hand, unless your codes postaux are spherical (or a circular
>> projection), your LOC will be at best an approximation of a point in the
>> postal zone.
> 
> At my previous job there used to be a TXT record at cam.ac.uk saying
> "The University of Cambridge", which I replaced with a LOC record to avoid
> interference with things like SPF and domain authentication. It's also
> used as a test record by the keepalived health check scripts.
> 
> Cambridge has a residency rule for students that requires them to live
> within 3 miles of the city centre, so the 10km diameter in the LOC record
> is in some sense correct and reasonably accurate.
> 
> cam.ac.uk  LOC  52 12 19.000 N 0 7 5.000 E 18.00m 10000m 100m 100m
> 
> -- 
> Tony Finch  <fanf at isc.org>  (he/they)  Cambridge, England
> Lundy, Fastnet, Irish Sea: Variable becoming southwest, 2 to 4. Smooth
> or slight. Occasional rain or drizzle, fog patches in Irish Sea.
> Moderate or good, occasionally very poor in Irish Sea.
> -- 
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