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Subject: Re: [xacml-dev] XACML Attribute values locaters
The PEP might not know which attributes are required by the policiesOn ons, 2011-04-27 at 13:57 +0500, Security Developer wrote:
> Hi,
>
> What is the real time use case when XACML PDP has to find the
> attribute values from external sources i.e. LDAP, Database etc.
>
> Why not authentication system return all the attributes of a subject
> so the XACML PDP do not have to locate the attribute values?
>
> More explanation about the related topic would be highly appreciated.
>
> Thanks and Best Regards.
when submitting the request to the PDP, or it might be bad for
performance to retrieve all attributes for each request (since many of
them might not be needed for a specific request).
Regards,
Ludwig
--
Ludwig Seitz, PhD
Swedish Institute of Computer Science
Ideon Science Park
Building Beta 2 3v
Scheelevägen 17
SE-223 70 Lund
Phone +46(0)70-349 92 51
http://www.sics.se
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