In message <0f7c7e7f-8e24-453d-91fa-7fc8aa891...@gmail.com>, Ralph Droms writes : > Mark - do you have any estimate of the current use of A6 records? I'd like t > = > o get an idea of the scope of the impact of moving A6 records to Historic. > > - Ralph
The passive DNS sensors saw no A6 records in June and July. Mark > On Aug 12, 2011, at 12:56 AM, Mark Andrews <ma...@isc.org> wrote: > > >=20 > > In message <4e447c7e.30...@gmail.com>, Brian E Carpenter writes: > >> On 2011-08-12 11:47, Mark Andrews wrote: > >>> I think it is make work=20 > >>=20 > >> That's why I am only suggesting an IESG decision, not a draft > >> and an RFC. > >>=20 > >>> and won't change the amount of confusion. > >>> In addition A6 allows compresssion of the domain name in the rdata > >>> so it can't be treated as unknown (i.e. a opaque blob) by nameservers. > >>=20 > >> If it's historic, servers shouldn't even contain any A6 records, > >> surely? > >=20 > > Making something historic doesn't remove the old software or the > > old records. Removing knowledge of A6 from recursive server will > > result in garbage A6 records being delivered to old clients that > > are A6 aware. A6 aware clients still work as they ask for both > > AAAA and A6 records. > >=20 > > One needs a phase out plan if you want to remove A6 support and it > > is likely to need to be decades long given how long people run old > > nameservers for. > >=20 > >>> If one wants to do something about IPv6 addresses in the DNS add > >>> support for scoped addresses. Link-local could then be useful. > >>=20 > >> Different topic, and I suspect much more complex. > >>=20 > >> Brian > > --=20 > > Mark Andrews, ISC > > 1 Seymour St., Dundas Valley, NSW 2117, Australia > > PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org > > -------------------------------------------------------------------- > > IETF IPv6 working group mailing list > > ipv6@ietf.org > > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > > -------------------------------------------------------------------- -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
