Re: [NGO] NETCONF Data Modeling BoF (NDM) proposal

Juergen Schoenwaelder wrote:
> On Thu, Sep 06, 2007 at 10:41:37AM -0700, Andy Bierman wrote:
> 
>> SMIv2 (for SNMP) provides many features that the IETF relies
>> on to maintain an integrated and ever-changing mix of vendor
>> and standard MIB modules.  There are many features
>> unrelated to the SYNTAX or DESCRIPTION clauses, such as
>> object and instance naming, module headers, definition importing,
>> INDEX and MAX-ACCESS clauses, version control, and flexible agent
>> conformance, which NETCONF does not currently address.  A NETCONF
>> compatible data modeling framework is needed, which provides these
>> important features.
> 
> [...]
> 
>> The NDM WG will not produce any new data modeling language.
>> Instead, existing mechanisms such as Xpath will be used instead.
> 
> How is a "NETCONF compatible data modeling framework [...] which
> provides [...] object and instance naming, module headers, definition
> importing, INDEX and MAX-ACCESS clauses, version control, and flexible
> agent conformance" different from a data modeling language?

Some features, such as object and instance naming, rely on Xpath.
Others, such as MAX-ACCESS or INDEX, are properties that can be defined
independently of a specific DML.  Mappings to a specific DML are needed,
such as <appinfo> extensions for XSD.  Other DMLs could support
these standard properties as well, in their own way.

> 
> /js
> 

Andy

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