Re: [netconf] [core] some comments on netconf-adaptive-subscription

On Thu, Jun 24, 2021 at 6:05 PM Michael Richardson <mcr+ietf@sandelman.ca>
wrote:

>
> Michael Richardson <mcr+ietf@sandelman.ca> wrote:
>     > I had to back to RFC8641, which I don't know well at all, to be sure
> I
>     > understood the xpath criteria.  I guess I don't understand how
> RFC8641
>     > and this document can be used for non-XML serialized YANG
> interactions.
>
>     > If bandwidth is at a premium, wouldn't you want to use
>     > draft-ietf-core-comi-11 (YANG in CBOR) rather than XML?  At which
>     > point, the obvious interaction with RFC7641 would need to be
> explained?
>
>     > It seems that the netconf (RESTCONF) and CORECONF groups should spend
>     > some more time together.
>
> I didn't finish my thought here.
> Specifically, it seems that the CORE WG is doing a lot of stuff with CoAP
> Observes and SENML and all sorts of interesting triggers.
>

There have long been 2 camps in CORE WG on this -- 1 that thinks YANG data
modeling
should be used in IoT and another that thinks YANG data modeling is overkill
and not needed for IoT.  If YANG is used then SENML info is redundant.

YANG automation is about the entire tool chain, not just the bytes on the
wire,
but even if you focus just on that, I think CBOR+SID can achieve much higher
information density than SENML.

> It seems that there ought to be more common work here.
> Routers are really the original Things Of Internet.
>

I do not think it helps to classify a router as an IoT device.

>
> --
> Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
>            Sandelman Software Works Inc, Ottawa and Worldwide
>
>
>
>
Andy

>
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