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

On Mon, 21 Sep 2009, Joe Touch wrote:

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> Caitlin Bestler wrote:
>>
>> On Sep 18, 2009, at 11:20 AM, Joe Touch wrote:
> ...
>>> As you note, addresses are sometimes used for non-human purposes, and
>>> with IPv6 they could be created on the fly - I wouldn't want to have to
>>> wait to register them in the DNS vs exchanging them in-band.
>>
>> Of course if you have already used application specific mechanisms to
>> exchange
>> IP addresses in-band then you obviously have the means to specify which
>> transport protocol and options to use as well.
>
> I could give you an IP address, and still want you to negotiate a
> transport you support with a transport that IP address supports. I can't
> know that answer, so it's not my business to specify the transport.
>
> Ultimately, either you're solving the transport discovery problem, or
> you're solving some other much more limited, DNS-focused case driven by
> a particular example. I'm not sure why that would be useful if you can
> solve the general case, but if so, it'd be important to explain that the
> 'applicability' of DNS-focused solutions.

I agree that a better view of the problem space is useful to see if 
we can arrive to a more generic solution - I made a first rough cut to it 
in my (overly long) mail to Caitlin, please feel free to amend.

thanks,
andrew

>
> Joe
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