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Since Role-Based Access Control (RBAC) shows great advantage in meeting the security need in large-scale and enterprise-wide system, RBAC becomes the hot topic in access control research field. However, current approaches to access control are mostly based on individual user identity; hence they do not scale to distributed systems. So, the paper analyses RBAC could not satisfy dynamic access control...
Techniques for building local area network clusters differ from those used for large scale harvesting of idle computing power. The overlapping non dedicated clusters (ONDC) architecture is trying to mix advantages of both techniques. Clusters build in ONDC style can be deployed both on small scale local networks, but as well in large scale over the Internet deployments. In this paper we analyze the...
We find that traditional authentication ways donpsilat act well in MANETs for the features of dynamic topology and non-existence of central facilities in mobile ad hoc networks. This paper presents a distributed trust proving language, which is based on role trust. The solution of constructing credential authentication infrastructure and the problem how to perform automated trust negotiation are also...
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