XACML??????

PPS-TC??????

?????????????
????????????????????????????????XACML???????????

normative???non-normative?????????
????????????????????normative???
???????????????normative????????????
????????UML????????????

--------
XACML??
1. Introduction (non-normative) 
??????
2. Background (non-normative)
???????????????
?
Policy???Requiments?
Rule?Policy?????

3. Models (non-normative)
??????????????????
???????????

???????
??????
Policy???????

4. Examples (non-normative)
XML??

5. Policy syntax (normative, with the exception of the schema fragments)
6. Context syntax (normative with the exception of the schema fragments)
?????????????????????????XML????????????
???Non-normative??????
????????????xxx????????????????????????????????????????????????

7. Functional requirements (normative)
????????????????????
?
target???~????"Match"???????????

?????????

8. XACML extensibility points (non-normative)
?????

9. Security and privacy considerations (non-normative)
??

10. Conformance (normative)
??????????????????????????????????

11. References
Appendix A. Standard data-types, functions and their semantics (normative)
????????????XML???????
???IEEE?????
???RFC?????
?????

Appendix B. XACML identifiers (normative)
XACML????????URI?xxx???ID???URI????????yyy
??????????????????

B.10. Combining algorithms
4?????????????????????????(Java like)

Appendix D. Acknowledgments
???????
Appendix E. Revision history
????
Appendix F. Notices
OASIS??????????????