Re: [netconf] YANG encoding in CBOR

Carsten Bormann <cabo@tzi.org> Mon, 25 March 2019 08:12 UTC

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From: Carsten Bormann <cabo@tzi.org>
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Date: Mon, 25 Mar 2019 09:12:53 +0100
Cc: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, Michel Veillette <Michel.Veillette@trilliant.com>, "netconf@ietf.org" <netconf@ietf.org>, "core@ietf.org" <core@ietf.org>
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To: Ladislav Lhotka <lhotka@nic.cz>
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Subject: Re: [netconf] YANG encoding in CBOR
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On Mar 25, 2019, at 09:06, Ladislav Lhotka <lhotka@nic.cz>; wrote:
> 
> Perhaps the easiest way would be to use (optional) annotation that
> specifies, using an ordinal number, which of the member types is used
> for the particular instance. But since there can be unions inside
> unions, a list of numbers would be needed in general.

Is the sequential number of the alternative supposed to be “stable”?
(I.e., would there be confusion if an alternative is inserted in the middle?
Which you may want to do while we still do “first match wins”.)

If yes, a list of those numbers may indeed be sufficient to always stay with values for CBOR.

Grüße, Carsten