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(ngtrans) Possible AAAA Record Transition Strategies

Harald Tveit Alvestrand <Harald.Alvestrand@maxware.no> Thu, 17 September 1998 10:19 UTC

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Date: Thu, 17 Sep 1998 12:00:45 +0200
To: ngtrans@sunroof.Eng.Sun.COM
From: Harald Tveit Alvestrand <Harald.Alvestrand@maxware.no>
Subject: (ngtrans) Possible AAAA Record Transition Strategies
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I'm repeating this message because the previous one didn't elicit
*any* suggestions about what the answers ought to be.
We've got agreement (I think) that these are the questions.
But we can't build networks out of questions. We need answers.
Come on, folks! Shoot!

                   Harald A

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OK, now we're settled (I think):

- The One True Draft is draft-ietf-ipngwg-dns-lookups-01.txt
- The One True Record Type is "A6"
- The IPNG WG has agreement that they want "A6" to be deployed.

Now it's a transition issue.

QUESTION 1: What is the current state?

- Fact: AAAA records exist.
- Possibility 1: Deployed code that uses AAAA only exists, and is
prohibitively
                 expensive to update
- Possibility 2: Deployed code that uses AAAA only exists, but can be
                 updated at reasonable cost to A6 given enough time

QUESTION 2: What is the desired final state?

- Possibility 1: Only A6 records exist in the DNS
- Possibility 2: Some sites have A6 records, some sites have AAAA records
- Possibility 3: Some sites have A6 records, all sites have AAAA records
- Possibility 4: All sites have A6 records, some sites have AAAA records

I sure hope we're not aiming for 2.....

QUESTION 3: What are the intermediate states between now and the final state?

No suggestions.

                 Harald A

-- 
Harald Tveit Alvestrand, Maxware, Norway
Harald.Alvestrand@maxware.no

-- 
Harald Tveit Alvestrand, Maxware, Norway
Harald.Alvestrand@maxware.no

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