Re: [xacml-comment] CombinerParameters element

[Polar Humenn <polar@syr.edu>]

Hi Diego,

comments inline.

On Tue, 6 Jul 2004, Diego M. Gonzalez wrote:

> Hi,
>
> I'm reading the WD12 for the XACML 2.0 and I have a question about the
> combiner parameters. The description for the element in the page 55 line
> 2272 says "If multiple <CombinerParameters> ekenbts occur within the
> same policy or policy set, they SHALL be considered equal to one
> <CombinerParameters> element containing the concatenation of all the
> sequences of <CombinerParameters> contained in the aforementioned
> <CombinerParameters> element ..."
>
> The question is if those parameters are "inherithed" to from the policy
> set to the policies that are defined within the policy set. So a
> parameter defined in the policy set is applied when the policy (within
> the policy set) is being evaluated.

Combiner parametners are not inherited by sub policies. They pertain only
to the combining algorithm at the level at which they are defined.

The above sentence only relaxes the syntax within the policy set so that
combiner parameters may be interspersed among sub policies (or
references).


<CombinerParameters>
	<CombinerParamenter>XXXXX</CombinerParameter>
</CombinerParameters>
<CombinerParameters>
	<CombinerParamenter>YYYYY</CombinerParameter>
</CombinerParameters>

is equivalent to:

<CombinerParameters>
	<CombinerParamenter>XXXXX</CombinerParameter>
	<CombinerParamenter>YYYYY</CombinerParameter>
</CombinerParameters>

Cheers,
-Polar

>
> Thanks,
> Diego Gonzalez
> Lagash Systems SA
>
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