Dick Franks <rwfra...@acm.org> wrote: > On 22 September 2014 11:03, Tony Finch <d...@dotat.at> wrote: > > > > (1) Master-only. The master observes an ANAME record at the apex of a zone > > it loads and uses it to periodically refresh the relevant records in the > > zone (as if you had a cron job running dig | magic | nsupdate). > > > > Disadvantage: potentially lots of XFR traffic if the TTLs are low. > > Why would TTL be relevant here? > > Is the master not acting as a "partial slave" for the target RRs? > In which case, the timing should depend on the SOA refresh period.
Yes, you could do it that way. But a lot of people want changes to take effect quickly. And I forgot to cover the effects that client-subnet might have ... Tony. -- f.anthony.n.finch <d...@dotat.at> http://dotat.at/ Trafalgar: Cyclonic in northwest, otherwise mainly northerly or northwesterly 5 or 6. Slight or moderate. Showers in northwest. Good. _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
