Re: [Teas] [yang-doctors] Feedback on options for issue #1 in TE tunnel YANG

Hi Tarek,

your analysis of available solutions seems correct and exhaustive. Maybe
I don't fully understand option #3 but I think you could achieve a
reasonable level of "object-orientedness" and separation of
technology-specific data by defining appropriate hierarchy of identities
(possibly with multiple inheritance, which is now possible in YANG 1.1),
and then using conditional augments.

As for option #2, the design of schema mount could perhaps include some
means for refering to data nodes and/or definitions in the parent
schema. This would however make the subschema usable only in a specific
context.

Lada

"Tarek Saad (tsaad)" <tsaad@cisco.com> writes:

> Hi YANG doctors,
>
> We have a requirement to reuse generic data across multiple technology model instantiations for model we’re driving in draft-ietf-teas-yang-te. For this, we've identified a number of proposals and tried to summarize them in slides 7-10 in the deck @ http://www.ietf.org/proceedings/96/slides/slides-96-teas-3.pptx
>
> We are seeking your expert advice on the best way of the options to proceed with and whether there’s a precedence in other IETF models that have solved similar issues.
>
> Regards,
> Tarek (and co-authors)
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