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Subject: RE: [xacml] WSPL - XACML gap analysis

Seth - OK.  We have options here.  Preferences don't so much impact the
processing of a rule by a PDP, but the processing of a rule by a system
creating a request that will not only satisfy the PDP, but satisfy it in its
preferred manner.

You are right, we could define the existing "or" and "and" functions such
that the preferred options occur first in their contents.  Or, we could
introduce new functions: "orderedOr" and "orderedAnd", and allow the
existing "or" and "and" to have the more relaxed semantic.

I have no objection to following your suggestion.

All the best.  Tim.

-----Original Message-----
From: Seth Proctor [mailto:seth.proctor@sun.com]
Sent: Tuesday, March 11, 2003 11:06 AM
To: Tim Moses
Subject: Re: [xacml] WSPL - XACML gap analysis

On Tue, Mar 11, 2003 at 10:06:55AM -0500, Tim Moses wrote:
> [...]
> R10 - Needs the reintroduction of orderedOr and orderedAnd functions with
> explanation of their semantics.

Tim - I think that the current definiton of "or" and "and" already requires
in-order evaluation. Is something more needed for this case?


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