RE: Capabilities and MIBs

["McDonald, Ira" <imcdonald@sharplabs.com>]

Hi Andy,

Excellent set of questions, showing the depth of the problem
space!

If NetConf ever succeeds in standardizing a data model, then
Relax NG and Schematron are going to become very important
tools, because XSD is terminally deficient to answer many of
your questions.

Cheers,
- Ira

Ira McDonald (Musician / Software Architect)
Blue Roof Music / High North Inc
PO Box 221  Grand Marais, MI  49839
phone: +1-906-494-2434
email: imcdonald@sharplabs.com

> -----Original Message-----
> From: owner-netconf@ops.ietf.org [mailto:owner-netconf@ops.ietf.org]On
> Behalf Of Andy Bierman
> Sent: Thursday, February 16, 2006 3:32 PM
> To: Randy Presuhn
> Cc: netconf@ops.ietf.org
> Subject: Re: Capabilities and MIBs
> 
> 
> Randy Presuhn wrote:
> > Hi -
> >
> >   
> >> From: "Romascanu, Dan (Dan)" <dromasca@avaya.com>
> >> To: "Vincent Cridlig" <vincent.cridlig@loria.fr>; 
> <dbharrington@comcast.net>; <netconf@ops.ietf.org>
> >> Sent: Thursday, February 16, 2006 12:38 AM
> >> Subject: RE: Capabilities and MIBs
> >>
> >>     
> >
> >   
> >> That's an important clarification, because the discussion since
> >> yesterday very much related to SNMP MIBs. 
> >>
> >> If we are talking about supported versions (capabilities) 
> of the netconf
> >> data model in agents, my assumption was that a list of 
> namespace URIs
> >> would be enough, and those would include information about 
> versions. 
> >>     
> > ...
> >
> > This brings us full circle to my question.  To re-phrase:
> >  will there be anything analogous to AGENT-CAPABILITIES for
> > netconf data models?
> >   
> 
> Good question. 
> One of many completely unknown aspects of netconf data modeling.
>  - what does a netconf data model look like, independent of 
> the NETCONF 
> protocol?
>    (different subsets are allowed for different operations 
> and different 
> capabilities.
>     How does XSD deal with this again? ;-)
>  - what does netconf modularity look like?
>  - how do modules easily use definitions from other modules?
>  - what do nested tables and "row" instance naming look like? 
>  - what does netconf data model conformance look like?
>  - what does netconf data model conformance variation look 
> like? (your 
> question)
>  - what is the access control model that provides for RPC 
> method invocation
>     control in addition to data access control?
>  - what is the model for partial database locking?
> 
> However all this is out of scope for the time being.
> That doesn't mean that individuals and vendors can't work on 
> the answers 
> now.
> It would be good to have reasonable answers before any 
> standards effort 
> begins.
> 
> > Randy
> >   
> 
> Andy
> 
> >
> > --
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> >
> >
> >   
> 
> 
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