|Appears in Collections:||Computing Science and Mathematics Conference Papers and Proceedings|
|Peer Review Status:||Refereed|
|Authors:||Campbell, Gavin A|
Turner, Kenneth J
|Title:||Policy Conflict Filtering for Call Control|
|Editors:||Bousquet, Lydie du|
|Citation:||Campbell GA & Turner KJ (2008) Policy Conflict Filtering for Call Control In: Bousquet Lydie du, Richier Jean-Luc (ed.) Feature Interactions in Software and Communication Systems IX, Amsterdam, The Netherlands: IOS Press. ICFI 2007 - Ninth International Conference on Feature Interactions in Software and Communication Systems, 3.9.2007 - 5.9.2007, Grenoble, France, pp. 83-98.|
|Conference Name:||ICFI 2007 - Ninth International Conference on Feature Interactions in Software and Communication Systems|
|Conference Location:||Grenoble, France|
|Abstract:||Policies exhibit conflicts much as features exhibit interaction. Since policies are defined by end users, the combinatorial problems involved in detecting conflicts are substantially worse than for detecting feature interactions. A new, ontology-driven method is defined for automatically identifying potential conflicts among policies. This relies on domain knowledge to annotate policy actions with their effects. Conflict filtering is performed offline, but supports conflict detection and resolution online. The technique has been implemented in the RECAP tool (Rigorously Evaluated Conflicts Among Policies). Subject to user guidance, this tool filters conflicting pairs of actions and automatically generates resolutions. The approach is generic, but is illustrated with the APPEL policy language for call control. The technique has improved the scalability of conflict handling, and has reduced the effort required of the previous manual approach.|
|Status:||Post-print (author final draft post-refereeing)|
|Rights:||Published by IOS Press, copyright 2008|
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