Design and validation of computer protocols
Design and validation of computer protocols
Concurrent programming in ERLANG (2nd ed.)
Concurrent programming in ERLANG (2nd ed.)
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Proceedings of the 8th ACM SIGPLAN workshop on ERLANG
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Electronic Notes in Theoretical Computer Science (ENTCS)
Verification of timed erlang programs using mcerlang
FMOODS'12/FORTE'12 Proceedings of the 14th joint IFIP WG 6.1 international conference and Proceedings of the 32nd IFIP WG 6.1 international conference on Formal Techniques for Distributed Systems
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The article describes a method to obtain performance measurements from complex distributed systems using a model checking approach. We illustrate the approach by applying it to a Video-on-Demand application developed in Erlang. To obtain performance measurements concerning e.g. streaming capacity, and identify system bottlenecks, we used the McErlang model checker which implements a large part of the Erlang API. Answers to capacity queries are computed as measures over paths in the system state graph, and the combination of an on-the-fly model checker (not requiring the generation of the complete state graph) with a powerful language (Erlang itself) for expressing correctness claims, made it possible to analyse substantially sized systems.