Martin,

I will remove my objection to Y45-04 if you write a section
in the draft about why multiple imports of the same module
is needed, plus examples that show appropriate use
of this new feature.

I also think examples are needed that highlight how data nodes and
augments ignore the revision date (multiple module augments
example), while still using groupings and typedefs that do not
ignore the revision dates.

IETF modules should not need to cherry-pick from multiple
revisions.  That means the WG is deciding to stay "down-rev"
on something, and that should not be approved without good reason.


Andy


On Thu, May 21, 2015 at 1:36 PM, Martin Bjorklund <[email protected]> wrote:
> Andy,
>
> I don't think the implementation burden on the server is that heavy.
> A YANG 1.0 compliant server today supports:
>
>    leaf a in module A of type foo from foo@2001-01-01
>    leaf b in module B of type foo from foo@2002-02-02
>
> I.e., it supports different leafs in the combined data model referring
> to different versions of the same type.
>
> A YANG 1.1 server would also support
>
>    leaf a in module A of type foo from foo@2001-01-01
>    leaf b in module A of type foo from foo@2002-02-02
>
> Of course, how much a specific implementation is affected will vary,
> but I don't think the concepts are *that* different.
>
>
> /martin

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