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Handling Policy Conflicts in Call Control

Blair, Lynne and Turner, K.J. (2005) Handling Policy Conflicts in Call Control. In: Feature Interactions in Telecommunications and Software Systems VIII. IOS Press, Amsterdam, pp. 39-57. ISBN 9781586035242

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Abstract

Policies are becoming increasingly important in modern computer systems as a mechanism for end users and organisations to exhibit a level of control over software. Policies have long been established as an effective mechanism for enabling appropriate access control over resources, and for enforcing security considerations. However they are now becoming valued as a more general management mechanism for large-scale heterogeneous systems, including those exhibiting adaptive or autonomic behaviour. In the telecommunications domain, features have been widely used to provide users with (limited) control over calls. However, features have the disadvantage that they are low-level and implementation-oriented in nature. Furthermore, apart from limited parameterisation of some features, they tend to be very inflexible. Policies, in contrast, have the potential to be much higher-level, goal-oriented, and very flexible. This paper presents an architecture and its realisation for distributed and hierarchical policies within the telecommunications domain. The work deals with the important issue of policy conflict – the analogy of feature interaction.

Item Type: Contribution in Book/Report/Proceedings
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 59906
Deposited By: ep_importer_pure
Deposited On: 19 Nov 2012 10:19
Refereed?: No
Published?: Published
Last Modified: 10 Apr 2014 01:46
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/59906

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