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Policy composition is an essential requirement of grid access control, not only because of the integrity of local and global policies, but also the dynamic collaboration under jointly controlled policies among multiple partners across different domains. In this paper, we propose an algebra for compositing attribute-based access control policies. Traditional arithmetic operators are extended and semantically...
In 2006, the IETF released its latest effort, NETCONF, a brand new network management protocol, which is based on the XML encoding method. The NETCONF protocol is thought to be able to meet the requirement of configuration management which SNMP fails to do well. The NETCONF protocol also performs better in other fields such as the efficiency, more flexible operations, etc. But, as a new protocol,...
Secure interaction between trusted-domains is a major problem on network security. Combining with the advantages of role-based access control (RBAC) and the existing authentication technique on crossing the trusted-domain, this paper proposes a privilege management model on crossing the trusted-domains (PMCT) which is suitable for large scale distributed network. Role recommending policy and unilateral...
The efficient authorization is the precondition of implementing access control. Traditional access control technology which lacks dynamic authorization mechanism focuses on the beforehand authorization process. Based on usage control (UCON) which is new access control technology, this paper proposes a role-based dynamic authorization model. This model extends RBAC by introducing elements of UCON such...
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