Abstract

Access control technology is an important way to ensure the safety of the cloud platform, but the new features of cloud computation environment have brought new challenges to access control technology. Direct at the existing problems of flexibility, timeliness and other aspects in multi-domain access control in the current cloud, on the basis of task driving idea, this paper put forward a dynamic access control policy. New method combined the advantage of RBAC and task driving model, to implement a more flexible and efficient access control model. Through comparative experiment we draw that new policy was improved to be contributory in improving the flexibility and availability of role-based multi-domain access control model.

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