Policy-enabled mechanisms for feature interactions: reality, expectations, challenges

This paper is based on the discussion during a panel that took place at the 7th Workshop on Feature Interactions in Telecommunications and Software Systems in Ottawa, Canada, June 2003. It presents a holistic picture on two paradigms, namely feature and policy, and their intertwining. The guest panelists brought examples from complementary areas and presented their experiences on using the concept of policy for defining features and for treating the feature interaction problem. The intrinsic interactions commonly called policy conflicts within policy-based systems were also discussed. The panelists considered methodological issues, such as the use of deontic logic and the representation of features through policies, as well as industrial applications, such as service provisioning and policy-based management applications for service bundling. They also brought out different views that reflect some disparity between the communities involved in this research.

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