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Re: [Netconf] [yang-doctors] YANG Doctor question: empty mandatory choice?

Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Tue, 31 July 2018 17:48 UTC

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Date: Tue, 31 Jul 2018 19:48:27 +0200
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: Martin Bjorklund <mbj@tail-f.com>
Cc: evoit@cisco.com, yang-doctors@ietf.org, netconf@ietf.org
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Subject: Re: [Netconf] [yang-doctors] YANG Doctor question: empty mandatory choice?
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On Mon, Jul 30, 2018 at 08:41:42PM +0200, Martin Bjorklund wrote:
> 
> The empty mandatory choice does provide value since it requires that
> some transport-specific parameters are configured.  However, can we
> assume that all transports require configuration parameters here?

Can you have a receiver without any transport parameters?

> It is probably safest to not have a mandatory choice, and instead ensure
> that each transport augements the proper params -- and since this is
> YANG 1.1, the transport params that are augmented can actually be
> marked as mandatory.

Frankly, an empty mandatory choice quite clearly says "this is
incomplete and unusable without an augmentation".

/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/>

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