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Re: [Cbor] [Anima] CDDL sockets (was: Re: GRASP packet header extensions (CBOR question))

Toerless Eckert <tte@cs.fau.de> Tue, 23 August 2022 12:28 UTC

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Date: Tue, 23 Aug 2022 14:27:56 +0200
From: Toerless Eckert <tte@cs.fau.de>
To: Carsten Bormann <cabo@tzi.org>
Cc: Derek Atkins <derek@ihtfp.com>, cbor@ietf.org, anima@ietf.org
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Subject: Re: [Cbor] [Anima] CDDL sockets (was: Re: GRASP packet header extensions (CBOR question))
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How about any of this in array context ?

On Tue, Aug 23, 2022 at 01:54:44PM +0200, Carsten Bormann wrote:
> On 2022-08-23, at 13:27, Derek Atkins <derek@ihtfp.com> wrote:
> > 
> >            tcp-header = {seq: uint, ack: uint, * $$tcp-option}
> 
> Right.  For the full set of extensibility, today we’d probably say:
> 
> tcp-header = {seq: uint, 
>               ack: uint, 
>               * $$tcp-option,
>               * label .feature "Unrecognized TCP Header Extension" => any
>              }
> 
> label = text
> 
> So the options that are known to the implementation land in the socket tcp-option, and the other ones land in the feature-tagged catch-all.
> 
> Grüße, Carsten

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