[netmod] Re: [netconf] Re: Default statements on udp-client-server groupings

[Andy Bierman <[e-mail]>]

Hi,

I do not think any new YANG guidelines need to be added to the already
completed rfc8407bis.
This is a design decision based on the intended reuse of the groupings.

Here is a common sense guideline:  Document the grouping reuse limitations
in the description-stmt.


Andy




On Fri, Sep 20, 2024 at 8:02 AM Kent Watsen <[e-mail]> wrote:

>
> Can folks please chime in on this discussion to help bring it to a close?
>
> I rescinded my AUTH48 “approval” for the tcp-client-server draft pending
> the outcome of this discussion.
>
> PS: I see that Thomas CC-ed NETMOD, which makes sense given a potential
> update to rfc8407bis.
>
> Kent
>
>
> On Sep 18, 2024, at 2:52 AM, [e-mail] wrote:
>
> Dear Kent, Andy and Alex,
>
> I think Alex statement
> https://mailarchive.ietf.org/arch/msg/netconf/5Yaiom0B0lDTeSPOvgNfPIEFvBw/,
> Andy's feedback and guidelines in
> https://datatracker.ietf.org/doc/html/rfc8407#section-4.4 resp.
> https://datatracker.ietf.org/doc/html/draft-ietf-netmod-rfc8407bis-15#section-4.4
>  makes perfectly sense and I don't see why we should do else. As an
> author, I suggest to add in section 4 of draft-ietf-netmod-rfc8407bis based
> on the conclusion of this discussion guidelines on reusable YANG groupings.
>
> Best wishes
> Thomas
>
> *From:* Kent Watsen <[e-mail]>
> *Sent:* Wednesday, September 18, 2024 3:12 AM
> *To:* Andy Bierman <[e-mail]>
> *Cc:* [e-mail];
> [e-mail]
> *Subject:* [netconf] Re: Default statements on udp-client-server groupings
>
> *Be aware:* This is an external email.
>
> Hi Andy,
>
>
> The main purpose for YANG defaults is ease of use.
> If there are less things to configure then the device is easier to use.
> Without a default port then this parameter becomes mandatory to configure.
>
>
> Alex is trying to maximize lazy binding.  That is, as a general statement,  unless
> 100% sure, groupings should never specify the “default” or “mandatory”
> statements, leaving it to terminal “uses” statements to specify.   His
> comment raises to the level of something that could be an addition to
> rfc8407bis.
>
> Thoughts?
>
> Kent
>
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