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Re: Issue 14.1: Retrieval Subset specification proposal

On Thu, Mar 18, 2004 at 09:24:51AM -0800, Andy Bierman wrote:

> >I tend to believe that both solutions (xpath and operation
> >attributes in the data model) are kind of broken and just
> >attempts to push away work that really needs to be handled
> >and specified by the protocol verbs.
> 
> I disagree.  The problem we are trying to solve has already
> been addressed by XPath.  We are trying to use existing
> XML standards, not reinvent or create static subsets.
> 
> The filter cannot be a parameter in the protocol operation
> RPC for the same reasons as the 'operation' attribute.
> It has to be embedded in the data model.  So we need
> another standard attribute (called xfilter?) supported
> by the TBD data modeling language.
> 
> The #xfilter capability (was called #xpath) would indicate 
> that the agent has the ability to support 'xfilter' attributes
> for XPath selection in <get> and <get-config> operations.
> Every data model definition will contain any XPath 
> implementation and conformance requirements for that data model.
> It is also data model specific whether the xfilter attribute
> can be used within <edit-config> operations.
> 
> FYI:
> 
> XPath standard:
> http://www.w3.org/TR/xpath
> 
> Basic XPath tutorial:
> http://www.zvon.org/xxl/XPathTutorial/General/examples.html

You missed the point of my question. Please tell me the reason
why the filter cannot be a parameter in the protocol operation and
the reason why the 'operation' attribute has to be in the payload.

And please tell me the precise semantics of the <config/> parameter
of get-config (and how that is going to be data model independent).

/js

-- 
Juergen Schoenwaelder		    International University Bremen
<http://www.eecs.iu-bremen.de/>	    P.O. Box 750 561, 28725 Bremen, Germany

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