[Add] DDR and 6to4

Tommy Jensen <Jensen.Thomas@microsoft.com> Wed, 19 January 2022 02:26 UTC

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From: Tommy Jensen <Jensen.Thomas@microsoft.com>
To: ADD Mailing list <add@ietf.org>
Thread-Topic: DDR and 6to4
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Date: Wed, 19 Jan 2022 02:25:46 +0000
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Subject: [Add] DDR and 6to4
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What does everyone think about actively discouraging the use of 6to4 addresses in the DDR SVCB records? I know this is covered by RFC7526; is that sufficient for us to omit text in DDR? Should we reference it and require resolvers to not provide those addresses? It seems there are some edge cases where a client and resolver may disagree about the nature of a given IP address if these are designated.

Thanks,
Tommy