Re: [netmod] draft-ietf-softwire-yang-13

Martin Bjorklund <mbj@tail-f.com> Thu, 27 December 2018 12:08 UTC

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Subject: Re: [netmod] draft-ietf-softwire-yang-13
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tom petch <ietfc@btconnect.com> wrote:
> Martin
> 
> The Acknowledgements for
> draft-ietf-softwire-yang-13
> thank you for your work on this I-D (on the IESG Telechat for 10th
> January 2019) so can you tell me where my YANG is going wrong.
> 
> The module has
>   augment "/if:interfaces/if:interface" {
>     when "derived-from(if:type, 'iana-tunnel-type:aplusp')";
> and defines aplusp as a tunnel type in section 10.
> 
> A suggestion I made last October was to have a base for the three
> protocols covered here - MAP-E, MAP-T, Lw406 - and then derive three
> separate entities therefrom for the three protocols; I can see no
> derivation.  In which case, when is
> 
>     when "derived-from(if:type, 'iana-tunnel-type:aplusp')";
> 
> going to be true?

Right; either they have to define derived identities as you suggested,
or this need to change to 'derived-from-or-self'.


/martin