[netmod] Re: Updated sub-intf-vlan and intf-ext drafts

[Florian Kauer <[e-mail]>]

Hi,
thanks a lot!

One comment regarding the peer-interface proposal:
In the meantime, I was made aware that the "IEC/IEEE 60802 TSN Profile for Industrial Automation" actually has a very similar use case and they actually solved it via the ilan approach I mentioned in the initial discussion:

6.4.2.3 Internal LAN connection model
The modeling of internal connections between C-VLAN components within an IA-station is
aligned to IEEE Std 802.1Q-2022, 17.3.2.2, which includes an I-LAN interface. As shown in
Figure 17, the I-LAN interface is modeled as an ilan IETF interface object (see IETF RFC 7224)
together with appropriate higher-layer-if and lower-layer-if reference objects to
describe the internal connection

They also noted the related problem of using higher-layer-if and lower-layer-if directly instead of draft-ietf-netmod-intf-ext-yang's parent-interface:
"NOTE The CNC cannot configure the lower-layer-if reference because it is defined read-only in the ietf-interfaces
YANG module." (under 6.4.2.5).

I don't know if it makes sense to align these two approaches in one or the other direction.

Apart from that, the current proposal looks good and I was (nearly) able to reproduce the validation. 
One nit:
[e-mail] and [e-mail]
both refer to a specific revision 2022-01-19 for ieee802-dot1q-types
which is not only outdated, but due to that AFAIK also not available via https://github.com/YangModels/yang
Do we really need that reference to a specific revision for ieee802-dot1q-types?

Thanks,
Florian

On 8/1/24 13:33, Scott Mansfield wrote:
> Greetings Netmod,
> 
>  
> 
> Common Interface Extension YANG Data Models
> 
> https://datatracker.ietf.org/doc/draft-ietf-netmod-intf-ext-yang/ <https://datatracker.ietf.org/doc/draft-ietf-netmod-intf-ext-yang/>
> 
> Has been updated adding a section on “peer interface configuration”, and updating and validating (using yanglint) the seven examples.
> 
>  
> 
> Sub-interface VLAN YANG Data Models
> 
> https://datatracker.ietf.org/doc/draft-ietf-netmod-intf-ext-yang/ <https://datatracker.ietf.org/doc/draft-ietf-netmod-intf-ext-yang/>
> 
> Has been updated to remove the pointer to an expired draft and to update and validate (using yanglint) the two examples.
> 
>  
> 
> Unless Rob says anything different, the editors/caretakers (Rob and myself) are looking for any further discussion on these two drafts so we can get these moving in the IETF process.
> 
>  
> 
> Regards,
> 
> -scott.
> 
> 
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