Dynamic Access Control Solution for Cross-Tenancy in a Cloud Environment

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Abstract

Data sharing in an interoperable environment enhances the productivity and quality of services in the respective organizations. The organizations these days have been moving their data and resources over the cloud. The primary reason is that the cloud provides flexibility, resource sharing, and to a limit most apt solution for Disaster Recovery (DR). When two or more organizations agree to share their cloud resources to an extent, there is a huge risk of accessing the data beyond the extent of the agreed privileges. All tenants may have different access control models implemented at their place. Practically, further the rules are generated for access control which is decided on the organizational hierarchy. In this paper, dynamic system is proposed where cross-tenancy in access control models in an interoperable environment, i.e., it is able to address the dynamic nature of the cloud access control environment in an effective manner.