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Re: [v6ops] ULA precedence [Thoughts about wider operational input]

otroan@employees.org Mon, 25 April 2022 10:16 UTC

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From: otroan@employees.org
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Date: Mon, 25 Apr 2022 12:16:02 +0200
Cc: Lorenzo Colitti <lorenzo@google.com>, v6ops list <v6ops@ietf.org>, 6man WG <ipv6@ietf.org>, Ted Lemon <elemon@apple.com>
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To: Erik Auerswald <auerswald@fg-networking.de>
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Subject: Re: [v6ops] ULA precedence [Thoughts about wider operational input]
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[...]

> Thus I would rather suggest to consider if making tracking which
> gateways advertised which prefixes mandatory would be a better
> approach.


The SAS/DAS algorithm must work in arbitrary topologies.
A host cannot assume that that it is directly connected to a border router.
It cannot assume addresses of equal scope/zone have the same reachability.

Best regards,
Ole

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