Hi Joe,

regarding the "who" made the change and when:  I would think it makes sense to 
have the ability to include this information if it were available (analogous to 
how origin metadata can be included).  However, I don't think this is captured 
today.  This would be a candidate to add as part of metadata of a datastore 
itself that would have be specified as part of a separate to-be-developed 
draft, perhaps called something like "Audit trail metadata for NMDA 
datastores".  

As part of the nmda-diff draft, I would think  it would be reasonable to 
include, if the working group agreees, a "design pattern" that indicates how 
the model can include (possibly by means of extensions) additional metadata 
items about datatastore nodes as they get defined.  

--- Alex

> -----Original Message-----
> From: netmod [mailto:[email protected]] On Behalf Of Joe Clarke
> Sent: Friday, July 20, 2018 6:52 AM
> To: [email protected]
> Subject: [netmod] Thoughts on draft-clemm-netmod-nmda-diff
> 
> I just had a chance to finish reading this.  The in-person meeting group
> seems to strongly support this work, and I agree.
> 
> Coming from a serviceability standpoint, I find this might serve as a
> precursor to a VCS-like "blame log".  Would it be reasonable to include
> identifiers as to who (or what) made the change and when?  Sorry if this
> was raised at the mic today.  I came to the room a bit late.
> 
> Joe
> 
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