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Re: [BEHAVE] DNSsec in IPv6-only-hosts & discarding mapped AAAAs in DNS64

Rémi Després <remi.despres@free.fr> Fri, 08 May 2009 05:56 UTC

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Date: Fri, 08 May 2009 07:57:58 +0200
From: Rémi Després <remi.despres@free.fr>
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To: Dan Wing <dwing@cisco.com>
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Cc: 'Behave WG' <behave@ietf.org>
Subject: Re: [BEHAVE] DNSsec in IPv6-only-hosts & discarding mapped AAAAs in DNS64
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Dan Wing  -  le (m/j/a) 5/7/09 10:15 PM:

>> DNS64s:
>> -  as long as dual-stack hosts cannot be expected to act as
>> specified above, MUST discard mapped address records;
> 
> We would like dual-stack hosts to prefer native connectivity (rather 
> than translated connectivity).
> 
>> - after that, SHOULD forward them, at least if they are DNSsec
>> signed.
>> 
>> IPv6-only applications should not artificially block mapped
>> addresses destinations.
> 
> So applications and host OSs should ignore 
> draft-itojun-v6ops-v4mapped-harmful, correct?

Yes.
(Concerns of this draft don't apply in this case.)

> And I see how this could work now.

:-).

RD

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