Re: [DNSOP] Resolver behaviour with multiple trust anchors

Paul Wouters <paul@nohats.ca> Tue, 31 October 2017 18:30 UTC

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From: Paul Wouters <paul@nohats.ca>
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Date: Tue, 31 Oct 2017 22:30:13 +0400
Cc: Moritz Muller <moritz.muller@sidn.nl>, "dnsop@ietf.org" <dnsop@ietf.org>
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Subject: Re: [DNSOP] Resolver behaviour with multiple trust anchors
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> On Oct 31, 2017, at 22:25, Ólafur Guðmundsson <olafur@cloudflare.com>; wrote:
> 
> 
> There are three ways to treat this case: 
> Any-TruestedKey-works  
> ConfiguredKey-trumps-DS 
> DS-trumps-configuredKey
> 
> I think the Last one is the "most" correct from an operational expectation,

Not really, as that would mean you cannot have internal only zones in split-dns view, unless you are
building in weird assumptions like ConfiguredKeyTrumpsNSECbutNotDS

> But I suspect the middle one is implemented 

It better, it is the only working solution :)