[dns-wg] NSID option on the RIPE Atlas SOA measurements of the root servers

On 24/07/2017 09:04, Roland van Rijswijk - Deij wrote:

>> Please let us know if you have any preference for which way we go on
>> this, particularly if you have a (current or future) use case for this
>> kind of data.
> 
> I don't quite see how option 2 does not result in an increase in storage
> requirements, and you seem to contradict this by then talking about
> reducing the measurement frequency. Perhaps I misunderstand what you're
> saying here.

My mistake, I had the option numbers the wrong way round. Option 2 (new
measurements) slightly increases storage requirements, but comes with
the kinds of benefits that you advocate for below.

>>From a research perspective, I would argue that it would at least
> temporarily make sense to have the two (slightly) different measurements
> (i.e. the old without and the new one with NSID enabled) running in
> parallel, just to flesh out whether any significant differences occur.
> If storage and measurement performance are not a (serious) issue, then
> running two separate measurements would be preferable, in my opinion, to
> safeguard continuity of the existing measurements. In my experience such
> longitudinal datasets keep increasing in value as time progresses, and
> are more valuable if they have a consistent measurement methodology.
> Based on that argument, discontinuing or altering and existing
> measurement should only be done if there are good reasons for it.

ACK

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