Re: [dnssd] DNS-SD TXT question (for ANIMA use).

Stuart Cheshire <cheshire@apple.com> Tue, 03 May 2022 22:54 UTC

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From: Stuart Cheshire <cheshire@apple.com>
In-reply-to: <YnGE13ujQHIF3uYi@faui48e.informatik.uni-erlangen.de>
Date: Tue, 03 May 2022 15:54:01 -0700
Cc: "touch@strayalpha.com" <touch@strayalpha.com>, dnssd@ietf.org, anima@ietf.org
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References: <Ym6j/8qhEzvqNw2V@faui48e.informatik.uni-erlangen.de> <BECA0397-5B8B-4DAB-8706-D5727F86F73A@strayalpha.com> <YnFyCwHUSu67Uio7@faui48e.informatik.uni-erlangen.de> <97BE76F7-FA1B-4693-B410-4314C4F56964@apple.com> <YnGE13ujQHIF3uYi@faui48e.informatik.uni-erlangen.de>
To: Toerless Eckert <tte@cs.fau.de>
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Subject: Re: [dnssd] DNS-SD TXT question (for ANIMA use).
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On 3 May 2022, at 12:39, Toerless Eckert <tte@cs.fau.de> wrote:

> The service name would not be CoAP, but e.g.: brski.rjp (service point for boostrapping of
> key infras). The TXT proto= key would need to be a list of 1 or more protocol variations,
> if those protocol variations happen to be able to (or need to) operate across the same
> UDP or TCP port - which is something that could happen for protocols operating on top
> of COAP or HTTP. For example proto=est-coap,cmp-coap, if we have two coap protocols, such as
> one based on EST (rfc7030), and one based on CMP, both able to operate across the same
> COAP (UDP) port. Service is the same, just encoding of transactions and data-structures
> differs.
> 
> Would that be appropriate ?

You can’t have a dot in the service name, but otherwise this looks good.

Stuart Cheshire