Hello Juergen, I have also noticed this but when I look at the type of remarks Andy is making I get an impression that "dust has not settled" on how this will work in "real life".
Regards, Bart -----Original Message----- From: Juergen Schoenwaelder [mailto:j.schoenwael...@jacobs-university.de] Sent: Saturday, August 05, 2017 10:36 AM To: Bogaert, Bart (Nokia - BE/Antwerp) <bart.boga...@nokia.com> Cc: Andy Bierman <a...@yumaworks.com>; netmod@ietf.org Subject: Re: [netmod] Questions on NMDA and "merged config and state" On Fri, Aug 04, 2017 at 07:03:43AM +0000, Bogaert, Bart (Nokia - BE/Antwerp) wrote: > Maybe a stupid question from my side (I'm not involved in the NMDA > work) but is there some kind of consensus on what is proposed in this > draft RFC or are we miles away from such a consensus? Since this is > linked to how a server has to handle state in the proposed merging of > config and state under one branch of the tree coming to a conclusion > to me seems a requirement since in the current implementation we just > can't change a CT leaf in the running DS by a value that is > dynamically learned; in the NMDA approach that would be possible as > the operational DS contains both CT and CF leaves and consequently a > value as configured by the client can be overwritten by a dynamically > learned value as the value configured by the client remains untouched > in the running DS. In the current implementation we would need to > model a CF leaf for this purpose. At least that is how I have always > understood how it should be done. As long as we do not have > NDMA-based server implementations we can't design and implement YANG models as proposed in NMDA and its associated guidelines. > Bart, you may want to look at draft-dsdt-nmda-guidelines-01. Protocol updates to support NMDA are on the way as well, draft-dsdt-nmda-netconf-00 and draft-dsdt-netconf-restconf-nmda-00. /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/>
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