[NANOG] Re: The Network CLI -- Love it ? Hate it? Needed?

[Mikael Abrahamsson via NANOG <nanog () lists nanog org>]

On Fri, 21 Mar 2025, Saku Ytti wrote:

> 100% on board data-first/model-first internal representation (I think 
> Junos, SROS, maybe others today?) 0% on board for standard models

Juniper (JunOS), Nokia (SROS) and Cisco (XR) are all YANG-model-first with 
proprietary models needed to do anything in the configuration engine, so 
their proprietary models are feature complete from a configuration pov.

I've run into others as well, for instance the ones made using Conf-D.

When discussing translation, question is what to translate to/from. The 
only way would be to create a standard model, which is exactly what's 
being done in multiple SDOs, for instance openconfig and ietf. As you say, 
they'll always be a subset, but if you can get by with openconfig for some 
of the functionality then devices supporting the openconfig model from 
multiple vendors can be configured for that subset using a single model 
instead of using the proprietary models.

--
Mikael Abrahamsson    email: swmike () swm pp se
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