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Re: [Anima] New Version of draft-eckert-anima-grasp-dnssd

"Fries, Steffen" <steffen.fries@siemens.com> Mon, 24 July 2023 06:26 UTC

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From: "Fries, Steffen" <steffen.fries@siemens.com>
To: Michael Richardson <mcr+ietf@sandelman.ca>, Brian E Carpenter <brian.e.carpenter@gmail.com>
CC: "anima@ietf.org" <anima@ietf.org>
Thread-Topic: [Anima] New Version of draft-eckert-anima-grasp-dnssd
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Date: Mon, 24 Jul 2023 06:26:17 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/anima/aTPcNaYhAp36yUVrecVj5wmE4ac>
Subject: Re: [Anima] New Version of draft-eckert-anima-grasp-dnssd
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Hi Brian,

There is ongoing work in the ANIMA design team about the extension of the discovery information for a registrar, to contain more information about specific features of the registrar. We currently identified:
- the operational mode: registrar as responder (as in RFC 8995) or pledge as responder (as in BRSKI-PRM)
- the enrollment protocol: EST as in RFC 8995) or CMP (as in BRSIK-AE) or future adaptations
- the voucher format: CMS-signed JSON (as in RFC 8995) or JOSE-signed JSON (as in JWS-Voucher used in BRSKI-PRM

The discussion is to define TXT key value pairs for DNS-SD, and use this approach also for GRASP.

Best regards
Steffen

> -----Original Message-----
> From: Michael Richardson <mcr+ietf@sandelman.ca>
> Sent: Monday, July 17, 2023 11:47 PM
> To: Brian E Carpenter <brian.e.carpenter@gmail.com>
> Cc: Fries, Steffen (T CST) <steffen.fries@siemens.com>; anima@ietf.org
> Subject: Re: [Anima] New Version of draft-eckert-anima-grasp-dnssd
> 
> 
> Brian E Carpenter <brian.e.carpenter@gmail.com> wrote:
>     > I can't answer that, but note that the AN_Proxy and AN_join_registrar
>     > GRASP objectives defined in RFC 8995 include an objective-value field.
>     > For AN_Proxy that field is "any" so is currently undefined and could be
>     > extended in any way we want. For AN_join_registrar it is defined as
> 
> In hindsight, 8995 should have created an IANA registry for these.
> 
>     > I find that "(list of)" a bit unclear but again there is flexibility to
>     > extend the semantics as we want. In fact that "(list of)" is almost
>     > worth an errata, since I wouldn't know what to write in a program to
>     > implement it.
> 
> :-)
> 
> --
> Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
>            Sandelman Software Works Inc, Ottawa and Worldwide
> 
> 
>

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