Abstract
The role-based access control policy is mainly to take the role mapping to achieve inter-domain interoperability.The role mapping does not consider the extent of the same role of impact on different domains,and different level of mutual trust between one domain and the other domain.Role mapping properties of the threshold and domain properties of the threshold were proposed,to solve the different problems of the same role on different domains and inter-domain trust level,and the different domains were organized in a more fine-grained access control,thus further improving the inter-domain interoperability security issues.
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