On 4.4.2017 19:30, Matthew Pounsett wrote: > On 4 April 2017 at 13:21, Tony Finch <d...@dotat.at > <mailto:d...@dotat.at>> wrote: > > > I believe that's a faulty assumption. Here's some data: > > > > [...] During the month of February, [...] an average of 31 changes > per zone. [...] > > That seems to agree with what I meant, though I probably should have > said > "per-zone" somewhere :-) > > That's the average, but there's a not-insignificant number there being > updated many times per day. Most of the time, you're right, there are > few changes, but one can't assume that any given alias will have a low > rate of change.
Numbers, that really helps! If I consider the numbers above and the fact that IXFR is able to deal even dynamically updated zones, I conclude that pushing ANAME logic to provisioner side is reasonable approach and that added complexity in name server itself is not warranted. -- Petr Špaček @ CZ.NIC _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
