SDNRacer: detecting concurrency violations in software-defined networks

@inproceedings{Miserez2015SDNRacerDC,
  title={SDNRacer: detecting concurrency violations in software-defined networks},
  author={Jeremie Miserez and Pavol Bielik and Ahmed El-Hassany and Laurent Vanbever and Martin T. Vechev},
  booktitle={SOSR},
  year={2015}
}
Software-Defined Networking (SDN) control software executes in highly asynchronous environments where unexpected concurrency errors can lead to performance or, worse, reachability errors. Unfortunately, detecting such errors is notoriously challenging, and SDN is no exception. Fundamentally, two ingredients are needed to build a concurrency analyzer: (i) a model of how different events are ordered, and (ii) the memory locations on which event accesses can interfere. In this paper we formulate… CONTINUE READING
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