--On Thursday, 27 March, 2008 09:00 +0200 Matti Aarnio
<[EMAIL PROTECTED]> wrote:
>
> On Wed, Mar 26, 2008 at 10:46:37AM -0400, Tony Hansen wrote:
>> > <[EMAIL PROTECTED]> wrote:
>> >
>> >> ...
>> >>> It would be needed until IPv6 takes over.
>> >> It will be needed even *after* IPv6 takes over. There will
>> >> be lots of queries for A records long after the majority
>> >> of hosts don't have A records.
>> >>
>> >> We need to remove the implict MX from A to prevent the A
>> >> record lookups occuring as things currently stand.
>
> There will be lots of legacy codes using legacy APIs for long
> future. I do use getaddrinfo() API myself, and permit it do
> all queries to get addresses. Thus it will also query for A
> in addition to AAAA. It can even be ordered to ignore IPv4 or
> IPv6 as sysadmin wants.
>
> For the future the previous "query for A record" should
> possibly be altered to "query for network address (IPv6 AAAA
> and/or IPv4 A)" or some such generic wording.
That is approximately what it says (in 2821bis) now. It was
saying that which touched off the thread of which this one is a
descendant.
john