Modular SDN Programming with Pyretic

Software-Defined Networking (SDN) enables innovation in network management by giving a programmable controller direct control over the underlying switches through an open, standard API, like OpenFlow. However, existing SDN controllers offer programmers a low-level programming interface akin to assembly language. In this article, we present Pyretic, a programming platform that raises the level of abstraction and enables the creation of modular software, allowing programmers to create sophisticated SDN applications.