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Distributed Protocol Combinators

  • Kristoffer Just Arndal AndersenEmail author
  • Ilya Sergey
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11372)

Abstract

Distributed systems are hard to get right, model, test, debug, and teach. Their textbook definitions, typically given in a form of replicated state machines, are concise, yet prone to introducing programming errors if naïvely translated into runnable implementations.

In this work, we present Distributed Protocol Combinators (DPC), a declarative programming framework that aims to bridge the gap between specifications and runnable implementations of distributed systems, and facilitate their modeling, testing, and execution. DPC builds on the ideas from the state-of-the art logics for compositional systems verification. The contribution of DPC is a novel family of program-level primitives, which facilitates construction of larger distributed systems from smaller components, streamlining the usage of the most common asynchronous message-passing communication patterns, and providing machinery for testing and user-friendly dynamic verification of systems. This paper describes the main ideas behind the design of the framework and presents its implementation in Haskell. We introduce DPC through a series of characteristic examples and showcase it on a number of distributed protocols from the literature.

Notes

Acknowledgements

We thank PADL’19 referees for their many helpful suggestions. The authors’ work on this project has been supported by the grant by UK Research Institute in Verified Trustworthy Software Systems (VeTSS).

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Kristoffer Just Arndal Andersen
    • 1
    Email author
  • Ilya Sergey
    • 2
  1. 1.Aarhus UniversityAarhusDenmark
  2. 2.Yale-NUS College and NUS School of ComputingSingaporeSingapore

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