Trace Analysis for Conformance and Arbitration Testing
IEEE Transactions on Software Engineering
Design and validation of computer protocols
Design and validation of computer protocols
Time, clocks, and the ordering of events in a distributed system
Communications of the ACM
A Formal Approach for Passive Testing of Protocol Data Portions
ICNP '02 Proceedings of the 10th IEEE International Conference on Network Protocols
Passive testing and applications to network management
ICNP '97 Proceedings of the 1997 International Conference on Network Protocols (ICNP '97)
Reference specification issues in on-line verification by passive testing
PDCN'06 Proceedings of the 24th IASTED international conference on Parallel and distributed computing and networks
Fast testing of critical properties through passive testing
TestCom'03 Proceedings of the 15th IFIP international conference on Testing of communicating systems
Coping with nondeterminism in network protocol testing
TestCom'05 Proceedings of the 17th IFIP TC6/WG 6.1 international conference on Testing of Communicating Systems
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Passive testing is a technique suitable for continuous, non-intrusive, autonomous testing of qualitative behavioural properties (correctness) of a deployed distributed system. A real passive tester has to face observational uncertainty, which may lead to false verdicts. We submit the novel idea of a self-tuned passive tester, which is able to adapt to a priori unknown, and possibly changing delays in communication channels. We propose the structure and algorithms of a passive tester that "tunes itself" basing solely on its own, locally issued verdicts. This seemingly counter-intuitive principle is shown by simulation to be viable and effective.