Research on Access Control in Multi-domain & Multi-application Environment
多域多应用环境下的访问控制研究

According to the security requirements in multi-domain & multi-application environment,an access control model called DPM (Distributed Privilege Model)is presented by adding application aspect into RBAC96 model and in- troducing global role,domain role and correlation role concept.Through extending PMI(Privilege Management Infra- structure),DPM model is realized.In conclusion,it proposes a practical scheme for the authorization and privilege management in multi-application and multi-domain context.