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Galois Tech Talk: Frenetic: A Network Programming Language

Galois, Inc
421 SW 6th Ave. Suite 300
Portland, OR 97204, US (map)

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Presented by Nate Foster.

The languages used to program networks today lack modern features. Programming them is a complicated task, and outages and infiltrations are frequent. We believe it is time to develop NETWORK PROGRAMMING LANGUAGES with the following essential features:

  • High-level abstractions that give programmers direct control over the network, allowing them to specify what they want the network to do without worrying about how to implement it.

  • Compositional constructs that facilitate modular reasoning about programs.

  • Portability, allowing programs written for one platform to be used with different devices.

  • Rigorous semantic foundations that precisely document the meaning of the language and provide a basis for building formal verification tools.

The Frenetic language addresses these challenges in the context of OpenFlow networks. It combines a streaming declarative query sub-language and a functional reactive sub-language that, together, provide many of the features listed above. Our implementation handles many low-level packet-processing details and keeps traffic in the "fast path" whenever possible.

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