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- Why standardization around policies ?
- Importance of an interchangeable policy format
- Importance of a standard way to query a policy: PEP (policy enforcement point) is moving inside mobile and web applications - a standard way for policy evaluation would be real useful
- XACML hard parts: strongly types and difference between single and multi value attributes, 5 return resolution returns, no resource set separation
- Usefulness in IoT world where multiple device manufacturers and service providers need to inter-operate wrt authorization
- Challenge: How to deal with multiple policy enforcement points which are not accessible ?