Actor-Based Model Checking for SDN Networks

27 Jan 2020  ·  Albert Elvira, Gómez-Zamalloa Miguel, Isabel Miguel, Rubio Albert, Sammartino Matteo, Silva Alexandra ·

Software-Defined Networking (SDN) is a networking paradigm that has become increasingly popular in the last decade. The unprecedented control over the global behavior of the network it provides opens a range of new opportunities for formal methods and much work has appeared in the last few years on providing bridges between SDN and verification... This article advances this research line and provides a link between SDN and traditional work on formal methods for verification of concurrent and distributed software---actor-based modelling. We show how SDN programs can be seamlessly modelled using \emph{actors}, and thus existing advanced model checking techniques developed for actors can be directly applied to verify a range of properties of SDN networks, including consistency of flow tables, violation of safety policies, and forwarding loops. Our model checker for SDN networks is available through an online web interface, that also provides the SDN actor-models for a number of well-known SDN benchmarks. read more

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Networking and Internet Architecture

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