On Fri, Jun 09, 2017 at 10:55:20AM +0000, Bogaert, Bart (Nokia - BE/Antwerp) wrote: > > We have a question regarding the statistics container as defined in the > interfaces-state model. This container defines one mandatory leaf > (discontinuity-time) while all other leafs are optional. What is the > rationale behind this leaf being mandatory and not an optional field? > > It does not make a lot of sense to return a discontinuity-time value and no > counters if none of the counters are relevant for a specific interface. > > Another alternative could be to add, via a deviation, a when clause to the > container indicating for which ifType(s) the container is (or is not) > present. But that would lead to not supporting the IETF interfaces model to > the full extent. >
The discontinuity-time is relevant for _any_ counter associated with an interface, regardless whether the counter is defined in the interfaces model or elsewhere. I have a hard time to imagine an interface that has zero counters. /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <http://www.jacobs-university.de/> _______________________________________________ netmod mailing list [email protected] https://www.ietf.org/mailman/listinfo/netmod
