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Re: [tae] New draft: announcing the supported transports via DNS

Joe Touch <touch@ISI.EDU> Fri, 18 September 2009 15:23 UTC

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Date: Fri, 18 Sep 2009 08:23:10 -0700
From: Joe Touch <touch@ISI.EDU>
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To: Michael Welzl <michawe@ifi.uio.no>
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Subject: Re: [tae] New draft: announcing the supported transports via DNS
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Michael Welzl wrote:
> Hi all,
> 
> This discussion reminds me of something else:
> someone (I think Jana?) mentioned the possibility of negotiating
> more than just the transport protocol, e.g. even the usage of IPv6,
> with a negotiation protocol.
> 
> I recently talked about this with someone who knows more about
> IPv6 than me (actually not hard to find such a person!), and that
> someone said that a standard is already in place for determining
> whether IPv6 can be used **via DNS**.

That presumes two things:

a) you know which protocol to use to get to the DNS

b) not everybody uses the DNS, at which point you definitely need to
know the address format since you need to know the address

Joe
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