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Issue No.10 - October (2008 vol.19)
pp: 1338-1351
ABSTRACT
The internet and related technologies have made multidomain collaborations a reality. Collaboration enables domains to effectively share resources; however it introduces several security and privacy challenges. Managing security in the absence of a central mediator is even more challenging. In this paper, we propose a distributed secure interoperability framework for mediator-free collaboration environments. We introduce the idea of secure access paths which enables domains to make localized access control decisions without having global view of the collaboration. We also present a path authentication technique for proving path authenticity. Furthermore, we present an on-demand path discovery algorithms that enable domains to securely discover paths in the collaboration environment. We implemented a simulation of our proposed framework and ran experiments to investigate the effect of several design parameters on our proposed access path discovery algorithm.
INDEX TERMS
Access controls, Distributed systems
CITATION
Mohamed Shehab, Arif Ghafoor, Elisa Bertino, "Secure Collaboration in a Mediator-Free Distributed Environment", IEEE Transactions on Parallel & Distributed Systems, vol.19, no. 10, pp. 1338-1351, October 2008, doi:10.1109/TPDS.2008.26
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