Re: [Rats] Call for adoption (after draft rename) for Yang module draft

Schönwälder, Jürgen <J.Schoenwaelder@jacobs-university.de> Sun, 17 November 2019 14:41 UTC

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From: =?utf-8?B?U2Now7Zud8OkbGRlciwgSsO8cmdlbg==?= <J.Schoenwaelder@jacobs-university.de>
To: Dave Thaler <dthaler=40microsoft.com@dmarc.ietf.org>
CC: Laurence Lundblade <lgl@island-resort.com>, "Nancy Cam-Winget (ncamwing)" <ncamwing@cisco.com>, "Oliver, Ian (Nokia - FI/Espoo)" <ian.oliver@nokia-bell-labs.com>, "Smith, Ned" <ned.smith@intel.com>, Henk Birkholz <henk.birkholz@sit.fraunhofer.de>, "rats@ietf.org" <rats@ietf.org>
Thread-Topic: [Rats] Call for adoption (after draft rename) for Yang module draft
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Date: Sun, 17 Nov 2019 14:41:29 +0000
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Subject: Re: [Rats] Call for adoption (after draft rename) for Yang module draft
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On Fri, Nov 15, 2019 at 07:38:32AM +0000, Dave Thaler wrote:
> 
> If there is a compelling reason to support a pull-based mechanism, and we get consensus that we need it, then great.
> But so far I haven’t heard one.
>

I hope I get the terminology right...

Research papers I have seen often use a challenge response model where
the 'verifier' sends a specific challenge that the 'attester' has to
answer (often with time constraints, minimizing the chance to relay
the challenge and such things). I think I pointed this out before.

Perhaps RATS does not need this form of challenge response attestation
and perhaps RATS is fine with the assumption that the attester somehow
knows which claims a verifier needs. But then it would be nice to
spell this out clearly so that people looking for challenge response
attestation attestation flows know that RATS is not for them.

/js

-- 
Juergen Schoenwaelder           Jacobs University Bremen gGmbH
Phone: +49 421 200 3587         Campus Ring 1 | 28759 Bremen | Germany
Fax:   +49 421 200 3103         <https://www.jacobs-university.de/>