Re: [xacml] Standardized PRP request format?

[Anne Anderson <Anne.Anderson@Sun.com>]

On 3 June, Gerald Brose writes: [xacml] Standardized PRP request format?
 > I was wondering whether the policy request interface between
 > the PDP and the PDP would not benefit from a standardized 
 > interface. Looking at the data flow model on p. 15 of the v13 
 > draft, I noticed that the return value from the PRP has a 
 > standard format (viz. XACML policyStatement) but the request 
 > hasn't. 
 > 
 > I would have thought that interoperability using this interface 
 > would probably be one of the main selling points of XACML 
 > for PEP/PDP vendors ("mechanism vendors") and PRP/PAP 
 > vendors ("policy tool vendors"). 

I think the initial PDP->PRP request format is the
RequestContext.  Once one or more PolicySets have been retrieved,
subsequent requests might be in the form of a Target and a
PolicyID or PolicySetID.

Anne
-- 
Anne H. Anderson             Email: Anne.Anderson@Sun.COM
Sun Microsystems Laboratories
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