It feels as if the RSA Conference will be repeating the Oasis XACML interoperability challenge already conducted by The Burton Group. I wonder why Hal Lockhart and others couldn't come up with something that shows more thought leadership? How about demonstrating XACML interoperability with non-security products such as BPM and ECM?
I don't know where James got the impression that the RSA Interop will be a repeat of the Burton Interop. The scenario is much more in-depth. Instead of the XACML TC inventing a simple scenario, the US Department of Veteran's Affairs is the primary scenario driver. The scenario covers using XACML to protect confidential patient data, and the associated controls around emergency over-rides.
I personally think the scenario is interesting, in-depth, and demonstrates the flexibility that XACML can provide in a complex domain.
Update: Anil has also responded to James' comment.