Thanks for the feedback, Carsten.
Lets say the minimum requirement would be to explain how vendors can extend the
voucher format WITHOUT YANG (too keep it simple) with just JSON or CBOR data.
If that data then happens to randomnly contain also something where YANG was
used to defin it, then that YANG could be fully disconnected from the voucher
YANG data model, no augment required. Eerything else would unnecessarily suck
poor vendors into the ugly world of IETF YANG models.
Yes, i very well imagine that the YANG overloads did not imagine this to be
something of interest. On the other hand, i think it's fair to say that
vouchers as artefacts in "east-west" protocols is also not what YANG
was originally meant to be used for. I think it was Yokohama where we had
a good discusison about this with a bunch of ADs in the room.
We just need to be persistent with what we need to make the protocols we develop
easily successful. If YANG overloads ultimately make it too difficult to do that
then maybe we should say goodbye to YANG for these type of uses.
Cheers
Toerless
On Tue, Mar 11, 2025 at 06:16:16PM +0100, Carsten Bormann wrote:
> On 2025-03-11, at 17:48, Esko Dijk <esko.d...@iotconsultancy.nl> wrote:
> >
> > • Register a new SID number with IANA using a new tbd procedure (which
> > we’re considering for RFC8366-bis now). This number would be outside the
> > “voucher” module range which is controlled by IETF.
>
> In the YANG world, you need to have a module.
> Doing that gives you all you need to attach to the existing voucher (e.g.,
> using augment).
>
> Having an undefined “here’s some bytes, but we won’t tell you what they mean”
> is probably a bit outside the way YANG people envision their ecosystem.
> (Note that there is an SID range for experimental use, if you promise to
> never use these in interchange; megaranges can also allow for private
> allocation.)
>
> I’ll need to revise the PEN-Holder draft (by adding a 32-bit space per
> PEN-Holder to the 64-bit space already in there):
>
> https://www.ietf.org/archive/id/draft-bormann-core-yang-sid-pen-01.html
>
> Grüße, Carsten
>
--
---
t...@cs.fau.de
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