Andy Bierman <a...@yumaworks.com> wrote:
> Hi,
> 
> 
> On Mon, Jan 22, 2018 at 9:44 AM, Juergen Schoenwaelder <
> j.schoenwael...@jacobs-university.de> wrote:
> 
> > Thanks. The longer WG last call thread started with Rob's message in
> > which he also asked about alignment with the YANG library update
> > (posted November 2nd). So the document is in a limbo state since
> > November 6th.
> >
> >
> 
> Can somebody please answer some simple questions:
> 
> Q1) why can't SM use augment to add objects to YLbis?

The idea is that SM augments YLbis; this is what we argue should be
done now.

> Q2)  why should readers/developers of YLbis need to know
> about SM if their implementations do not support SM at all?

They don't.  The idea is to put all SM-related stuff in SM.  No
changes to YLbis.

> Q3) Is there a msg in the email archive that explains the reasons that
> YLbis needs to be delayed? Where is the concrete proposal to add
> specific objects to YLbis?

YLbis does not need to be delayed.  We hope it can advance quickly.


/martin



> 
> 
> /js
> >
> >
> 
> Andy
> 
> 
> 
> > On Mon, Jan 22, 2018 at 04:58:15PM +0000, Acee Lindem (acee) wrote:
> > > It was WG Last Call’ed: https://mailarchive.ietf.org/arch/msg/netmod/
> > csUvs6408En0yY-vapyU3IFcJqQ
> > >
> > > And it was closed: https://mailarchive.ietf.org/
> > arch/msg/netmod/gbXE4Le1I_3Y5oaNnpjYoZZZ4lw
> > >
> > > However, it may not have ever completed.
> > >
> > > Thanks,
> > > Acee
> > >
> > > On 1/22/18, 11:45 AM, "Juergen Schoenwaelder" <j.schoenwaelder@jacobs-
> > university.de> wrote:
> > >
> > >     Acee,
> > >
> > >     the documents that have already finished WG Last Call have a
> > normative
> > >     reference on schema mount, which has not yet finished WG Last Call as
> > >     far as I recall. I think the RFC editor does not publish a document
> > >     with a missing normative reference. I continue to believe that the
> > >     time difference between doing the right thing and doing something
> > >     faster using definition we are in the process to deprecate is really
> > >     small. But of course, I may be entirely wrong.
> > >
> > >     /js
> > >
> > >     On Mon, Jan 22, 2018 at 04:18:15PM +0000, Acee Lindem (acee) wrote:
> > >     > Hi Lada,
> > >     >
> > >     > My primary concern is that the YANG Schema Mount delay will not
> > only hold the NI/LNE but all the models that are dependent on them (e.g.,
> > L2VPN and L3VPN). This is for a document that has already finished WG Last
> > Call. Additionally, your estimate for the size of the change and time to
> > reach standardization is based on there being immediate consensus on the
> > changes. This is probably overly optimistic given there was discussion on
> > the proposed YANG Library BIS changes. I’d vote to publish the existing
> > draft.
> > >     >
> > >     > In any case, being able to see the proposed changes ASAP is
> > critical.
> > >     >
> > >     > Thanks,
> > >     > Acee
> > >     >
> > >     > On 1/22/18, 8:45 AM, "netmod on behalf of Ladislav Lhotka" <
> > netmod-boun...@ietf.org on behalf of lho...@nic.cz> wrote:
> > >     >
> > >     >     Juergen Schoenwaelder <j.schoenwael...@jacobs-university.de>
> > writes:
> > >     >
> > >     >     > On Fri, Jan 19, 2018 at 06:05:15PM +0000, Robert Wilton
> > wrote:
> > >     >     >>
> > >     >     >> Hence, for me, I see the choice as:
> > >     >     >> 1) do we publish the existing model now (perhaps also mark
> > the draft as
> > >     >     >> experimental) followed by an updated draft with the NMDA
> > compatible module?
> > >     >     >> 2) do we publish both models in a single draft (e.g. with
> > the existing model
> > >     >     >> in an appendix)?
> > >     >     >> 3) do we only publish a single version of the draft with an
> > NMDA compliant
> > >     >     >> solution.
> > >     >     >>
> > >     >     >
> > >     >     > I think the situation is as follows (likely obvious but it
> > may help to
> > >     >     > make sure we are all on the same page):
> > >     >     >
> > >     >     > - the NI and LNE models have a normative reference to
> > >     >     >   I-D.ietf-netmod-schema-mount (and this makes sense since
> > there are
> > >     >     >   MUST sentences in the I-D)
> > >     >     >
> > >     >     > - I-D.ietf-netmod-schema-mount (last updated in October) has
> > normative
> > >     >     >   references to RFC 7895 (old YANG library)
> > >     >     >
> > >     >     > - RFC 7895 does not work with NMDA, NMDA work on a YANG
> > library update
> > >     >     >   replacing RFC 7895
> > >     >     >
> > >     >     > So the YANG library update is gating the schema mount update
> > which is
> > >     >     > gating the publication of the NI and LNE models.
> > >     >     >
> > >     >     > A proper solution would be to prioritize work on the YANG
> > library
> > >     >     > update and the schema mount update. I assume that the next
> > revision of
> > >     >     > the YANG library update (say end of January) is ready for WG
> > last call
> > >     >     > and perhaps the schema mount authors can take an effort to
> > get that
> > >     >     > document there as well, say beginning of February.
> > >     >
> > >     >     I completely agree.
> > >     >
> > >     >     Lada
> > >     >
> > >     >     >
> > >     >     > /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/>
> > >     >     >
> > >     >     > _______________________________________________
> > >     >     > netmod mailing list
> > >     >     > netmod@ietf.org
> > >     >     > https://www.ietf.org/mailman/listinfo/netmod
> > >     >
> > >     >     --
> > >     >     Ladislav Lhotka
> > >     >     Head, CZ.NIC Labs
> > >     >     PGP Key ID: 0xB8F92B08A9F76C67
> > >     >
> > >     >     _______________________________________________
> > >     >     netmod mailing list
> > >     >     netmod@ietf.org
> > >     >     https://www.ietf.org/mailman/listinfo/netmod
> > >     >
> > >     >
> > >
> > >     --
> > >     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/>
> > >
> > >
> >
> > --
> > 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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> >
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