[dns-operations] Comments welcome : draft-song-dnsop-ipv6only-dns-00

Davey Song songlinjian at gmail.com
Sat Oct 11 21:00:44 UTC 2014


Hi Franck, Thank you for your comments. response In Line

On Sat, Oct 11, 2014 at 6:09 AM, Franck Martin <fmartin at linkedin.com> wrote:

> On Oct 10, 2014, at 2:11 PM, Davey Song <songlinjian at gmail.com> wrote:
>
> > Hi everyone,
> >
> > I have recently proposed a draft on the IPv6-only DNS deployment. Here
> is the abstract of this draft:
> >
>
> <read quickly>
>
> Can we suppress fragments for DNS on IPv6? At least the document should
> mention more about fragments.
>
> IPv6 MTU is specified larger than IPv4. But the implementation like
firewall or other mid-box may not follow the specification.  It needs test
in large-scaled network.


> It appeared to me that some software on IPV4 behave in weird ways when a
> hostname has only an AAAA record (and no A). Instead of discarding the
> hostname from the possible solutions, it keeps it and fail in odd ways
> because of “unreachability”. I don’t know if this is true with DNS
> software, but worth to verify.
>
> Yep.
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