Publications of the Laboratory for Education and Research in Secure Systems Engineering (LERSSE) 22 records found  previous11 - 20next  jump to record: Search took 0.00 seconds. 
11. Authorization Recycling in RBAC Systems / Qiang Wei ; Jason Crampton ; Konstantin Beznosov ; Matei Ripeanu [LERSSE-RefConfPaper-2008-026]
As distributed applications increase in size and complexity, traditional authorization mechanisms based on a single policy decision point are increasingly fragile because this decision point represents a single point of failure and a performance bottleneck. [...]
Published in Qiang Wei, Jason Crampton, Konstantin Beznosov, and Matei Ripeanu. Authorization recycling in RBAC systems. In SACMAT '08: Proceedings of the 13th ACM Symposium on Access Control Models and Technologies, Estes Park, Colorado, USA, June 11-13 2008, pp. 63-72. :
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12. Cooperative Secondary Authorization Recycling / Qiang Wei ; Matei Ripeanu ; Konstantin Beznosov [LERSSE-PRESENTATION-2007-063]
As distributed applications such as Grid and enterprise systems scale up and become increasingly complex, their authorization infrastructures—based predominantly on the request-response paradigm—are facing challenges in terms of fragility and poor scalability [...]
Published in Qiang Wei, Matei Ripeanu, and Konstantin Beznosov, "Cooperative Secondary Authorization Recycling," presented at the 16th Symposium on High Performance Distributed Computing (HPDC'07), June 27, 2007, Monterey, California, USA. pp.24. :
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13. Cooperative Secondary Authorization Recycling / Qiang Wei ; Matei Ripeanu ; Konstantin Beznosov [LERSSE-RefConfPaper-2007-022]
As distributed applications such as Grid and enterprise systems scale up and become increasingly complex, their authorization infrastructures—based predominantly on the request-response paradigm—are facing challenges in terms of fragility and poor scalability. [...]
Published in Qiang Wei, Matei Ripeanu, and Konstantin Beznosov, "Cooperative Secondary Authorization Recycling," in Proceedings of the 16th Symposium on High Performance Distributed Computing (HPDC'07), June 25–29, 2007, Monterey, California, USA. pp.65-74:
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14. Employing Secondary and Approximate Authorizations to Improve Access Control Systems / Konstantin Beznosov [LERSSE-PRESENTATION-2006-060]
The request-response paradigm used for developing access control solutions commonly leads to point-to-point (PTP) architectures, with security enforcement logic obtaining decisions from authorization servers through remote procedure calls. [...]
Published in Konstantin Beznosov "Employing Secondary and Approximate Authorizations to Improve Access Control Systems," Halifax, NS, Canada, Faculty of Computer Science, Dalhousie University, 12 October, 2006, pp.43.:
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15. The Secondary and Approximate Authorization Model and its Application to BellLaPadula Policies / Konstantin Beznosov [LERSSE-PRESENTATION-2006-059]
The request-response paradigm used for access control solutions commonly leads to point-to-point (PTP) architectures, with security enforcement logic obtaining decisions from authorization servers through remote procedure calls. [...]
Published in Konstantin Beznosov "The Secondary and Approximate Authorization Model and its Application to BellLaPadula Policies," Marina del Rey, Clifornia, USA, Computer Networks Division, Information Sciences Institute, the University of Southern California, 6 February, 2006, pp.35.:
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16. Evaluation of SAAM_BLP / Kyle Zeeuwen ; Konstantin Beznosov [LERSSE-REPORT-2006-017]
Request response access control systems that use Policy Decision Points have their reliability and latency bounded by network communication. [...]
Published in Kyle Zeeuwen, Konstantin Beznosov, "Evaluation of SAAM_BLP" LERSSE Technical Report LERSSE-TR-2006-01, July 21, 2006.:
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17. The Secondary and Approximate Authorization Model and its Application to Bell-LaPadula Policies / Jason Crampton ; Wing Leung ; Konstantin Beznosov [LERSSE-RefConfPaper-2006-017]
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. [...]
Published in Jason Crampton, Wing Leung, Konstantin Beznosov "The Secondary and Approximate Authorization Model and its Application to Bell-LaPadula Policies," In Proceedings of the ACM Symposium on Access Control Models and Technologies (SACMAT), Lake Tahoe, California, USA, ACM, 7-9 June, 2006, pp.111-120.:
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18. SaamViz - Visualizer for SAAM / Johnson Ming-Che Tsai [LERSSE-REPORT-2006-016]
The purpose of the project is to create a visualization component for the secondary and approximate authorization model (SAAM) simulator to assist in the study of SAAM. [...]
Published in J. Tsai, "SaamViz - Visualizer for SAAM," Laboratory for Education and Research in Secure Systems Engineering, University of British Columbia, Technical Report LERSSE-TR-2006-XX, 2006.:
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19. Secondary and Approximate Authorization Model (SAAM) and its Application to Bell-LaPadula Policies / Konstantin Beznosov [LERSSE-PRESENTATION-2006-050]
The talk defines the secondary and approximate authorization model (SAAM) [...]
Published in Authorization Model (SAAM) and its Application to Bell-LaPadula Policies," Los Angeles, Information Sciences Institute, 6 February, 2006, pp.35. :
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20. Recycling Authorizations: Toward Secondary and Approximate Authorizations Model (SAAM) / Konstantin Beznosov [LERSSE-REPORT-2005-012]
In large and complex enterprises, obtaining authorizations could be communicationally and/or computationally expensive, and, due to infrastructure failures, some times even impossible. [...]
Published in Konstantin Beznosov, "Recycling Authorizations: Toward Secondary and Approximate Authorizations Model (SAAM)," LERSSE technical report, Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, Canada, LERSSE-TR-2005-01, pp.15: (March, 2005)
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Publications of the Laboratory for Education and Research in Secure Systems Engineering (LERSSE) : 22 records found   previous11 - 20next  jump to record:
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