Hi,

I have a general question related to management operations on operational data. 
The question is intended to be protocol agnostic, since as I understand it, the 
NETCONF management operations do not apply to data modelled in YANG where 
config is false. In other words, there is no generic NETCONF RPC that will, for 
example, delete entries in a table of operational data.

My question arises because we are implementing a feature that is defined using 
YANG, and has custom NETCONF RPCs whose operations can create, modify and 
delete rows of a YANG list that has entries that are both config is true and 
config is false. The rows that are config is false are the only rows that can 
be affected by the custom NETCONF RPCs; the other rows are affected only by the 
standard NETCONF management RPCs. However, there is a need for management 
operations to be able to remove the rows and the operations associated with 
them for various reasons.

So my question is this: what is the general approach to this problem?

As mentioned above, for NETCONF, I believe the answer is that a custom RPC has 
to be used. But is this intended to be the case for all protocols that can deal 
with YANG modelled data?

In case it matters, the specific case I'm dealing with is subscriptions as per 
https://tools.ietf.org/html/draft-ietf-netconf-rfc5277bis-01 and 
https://tools.ietf.org/html/draft-ietf-netconf-yang-push-04.

Thanks,

Tim

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