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Re: [v6ops] I-D Action: draft-ietf-v6ops-ula-usage-recommendations-02.txt

Lorenzo Colitti <lorenzo@google.com> Thu, 20 February 2014 14:58 UTC

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From: Lorenzo Colitti <lorenzo@google.com>
Date: Thu, 20 Feb 2014 23:58:14 +0900
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To: David Farmer <farmer@umn.edu>
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Subject: Re: [v6ops] I-D Action: draft-ietf-v6ops-ula-usage-recommendations-02.txt
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On Thu, Feb 20, 2014 at 10:45 PM, David Farmer <farmer@umn.edu> wrote:

> Get over it.  This draft is necessary, we need to tell people how to
> properly use ULA.  It is not telling them to do NAT.  I think it should
> more strongly tell them to NOT do NAT.  However, they are going to do what
> they are going to do.  But, if we don't tell them what the proper use cases
> for ULA are, then our silence is consent for them to go ahead and do NAT
> with ULA.
>

We don't know what the use cases for ULAs are, because nobody has actually
used them in real deployments. The people who are deploying IPv6 are saying
"ugh, ULA sucks, let's do global instead" and the ones who aren't deploying
IPv6 are using IPv4.

I will be the first to support a draft that documents *real* experience of
ULA in a *real* deployment. But documenting use cases without having
actually used them for real... sorry, that's hubris.

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