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Abstract : |
This paper describes a distributed run-time approach to detecting feature interactions. The technique monitors feature and resource state transitions in run-time and by comparing these to "state signatures", which represent valid state transitions, it is possible to determine if a feature is operating correctly. It is assumed that incorrect operation is caused by feature interaction. The approach requires no centralised "a priori " knowledge of features nor any knowledge of how the features work, thus preserving service privacy. Encouraging preliminary results have been obtained from testing the approach in a software testbed designed during the project. 1., |
