Policy-based asset sharing in collaborative environments

0044 English OPEN
Parizas, Christos;
(2015)
  • Subject: QA75

Resource sharing is an important but complex problem to be solved. The problem is exacerbated in a dynamic coalition context, due to multi-partner constraints (imposed by security, privacy and general operational issues) placed on the resources. Take for example scenari... View more
  • References (28)
    28 references, page 1 of 3

    1.4 Research Motivation & Contribution . . . . . . . . . . . . . . . . . . 7 1.4.1 PBMS in Dynamic and Collaborative Environments . . . . . 7 1.4.2 Team-centric Asset Sharing in Collaborative Environments . . 8 1.4.3 Controlled Natural Language Policy Representation . . . . . 11 1.4.4 Policy Conflict Analysis in Collaborative Environments . . . 15 1.4.5 Interest-based Negotiation for Policy-based Asset Sharing . . 18 1.5 Thesis Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

    2 Team-centric Asset Sharing in Collaborative Environments 23 2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.2 Background & Related Work . . . . . . . . . . . . . . . . . . . . . . 24 2.3 Asset Sharing Policy Models . . . . . . . . . . . . . . . . . . . . . . 26 2.4 MSTA-P Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 2.5 Policies Evaluation & Comparison . . . . . . . . . . . . . . . . . . . 31 2.6 Simulation Results . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 2.7 Discussion & Conclusion . . . . . . . . . . . . . . . . . . . . . . . . 40

    3 Controlled Natural Language Policy Representation 43 3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 3.2 Background & Related Work . . . . . . . . . . . . . . . . . . . . . . 44 3.3 PBMS & Policy Rules . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.4 Achieving Edge C2 Utilizing CE . . . . . . . . . . . . . . . . . . . . 49 3.5 System's Conceptualisation and CE . . . . . . . . . . . . . . . . . . 53

    4 Policy Conflict Analysis in Collaborative Environments 66 4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 4.2 Background & Related Work . . . . . . . . . . . . . . . . . . . . . . 67 4.3 Conflict Analysis of High-level Policies . . . . . . . . . . . . . . . . 70 4.3.1 CE & Policy Conflict Analysis . . . . . . . . . . . . . . . . . 70 4.3.2 Policy Conflicts Classification . . . . . . . . . . . . . . . . . 70 4.3.3 Overview of conflict analysis approach - Strengths and Weaknesses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 4.4 CE-based Policy Conflict Analysis . . . . . . . . . . . . . . . . . . . 74 4.4.1 Policy Conflict Analysis Architecture . . . . . . . . . . . . . 74 4.4.2 Algorithm & Analysis . . . . . . . . . . . . . . . . . . . . . 80 4.5 CE Policy Conflict Analysis Evaluation . . . . . . . . . . . . . . . . 84 4.6 Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

    5 Interest-based Negotiation for Policy-based Asset Sharing in Collaborative Environments 92 5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 5.2 Background & Related Work . . . . . . . . . . . . . . . . . . . . . . 92 5.3 Interest-based Policy Negotiation Scenario . . . . . . . . . . . . . . . 95 5.3.1 The Chefs-Orange Scenario . . . . . . . . . . . . . . . . . . 95 5.3.2 Asset Sharing Policy Negotiation . . . . . . . . . . . . . . . 96 5.4 Interest-based Policy Negotiation Mechanism . . . . . . . . . . . . . 97 5.4.1 Policies Under Negotiation . . . . . . . . . . . . . . . . . . . 99 5.4.2 IBN Integration into Policy Regulated Asset Sharing . . . . . 100 5.4.3 IBN Enabled PBMS . . . . . . . . . . . . . . . . . . . . . . 102 5.5 Achieving IBN through Policy Refinement . . . . . . . . . . . . . . . 103 5.6 Policy IBN Evaluation . . . . . . . . . . . . . . . . . . . . . . . . . 110 5.6.1 Simulation Setup . . . . . . . . . . . . . . . . . . . . . . . . 110 5.6.2 Simulation RedLines . . . . . . . . . . . . . . . . . . . . . . 113 5.6.3 Simulation Results . . . . . . . . . . . . . . . . . . . . . . . 114

    6 Conclusion & Future Work 117 6.1 Contribution Overview . . . . . . . . . . . . . . . . . . . . . . . . . 118 6.2 Future Research Directions . . . . . . . . . . . . . . . . . . . . . . . 120 1.1 PBMS Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2 Pushing the policy-based management at the edge. . . . . . . . . . . 13 3.1 Coalition assets sharing ontology. . . . . . . . . . . . . . . . . . . . 56 4.1 Policy Conflict Analysis Architecture . . . . . . . . . . . . . . . . . 74 4.2 Policy Analysis Comparisons - 100 Policies . . . . . . . . . . . . . . 87 4.3 Policy Analysis Comparisons - 1.000 Policies . . . . . . . . . . . . . 87 4.4 Policy Analysis Comparisons - 10.000 Policies . . . . . . . . . . . . 88 5.1 Authorization Policy Negotiation Scenario: Domain Model . . . . . . 99 4.1 CE-based Vs Pairwise: Total Comparisons Ratio . . . . . . . . . . . 89

    [4] D. Agrawal, S. Calo, J. Giles, Kang-Won Lee, and D. Verma. Policy management for networked systems and applications. In Integrated Network Management, 2005. IM 2005. 2005 9th IFIP/IEEE International Symposium on, pages 455-468, May 2005.

    [5] D. Agrawal, J. Giles, K. Lee, and J. Lobo. Policy ratification. In In POLICY 2005: Proceedings of the Sixth IEEE International Workshop on Policies for Distributed Systems and Networks (POLICY2005, pages 223-232. IEEE Computer Society, 2005.

    [6] D. Agrawal, J. Giles, K. W. Lee, and J. Lobo. Policy ratification. volume 2005 of 6th IEEE International Workshop on Policies for Distributed Systems and Networks.

    [7] D. Agrawal, J. Giles, Kang-Won Lee, K. Voruganti, and K. Filali-Adib. Policybased validation of SAN configuration. In Policies for Distributed Systems and Networks, 2004. POLICY 2004. Proceedings. Fifth IEEE International Workshop on, pages 77-86, June 2004.

  • Metrics
Share - Bookmark