A Formal Proof of the Chandy--Lamport Distributed Snapshot Algorithm

Ben Fiedler and Dmitriy Traytel

21 July 2020

Abstract

We provide a suitable distributed system model and implementation of the Chandy--Lamport distributed snapshot algorithm [ACM Transactions on Computer Systems, 3, 63-75, 1985]. Our main result is a formal termination and correctness proof of the Chandy--Lamport algorithm and its use in stable property detection.
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@article{Chandy_Lamport-AFP,
  author  = {Ben Fiedler and Dmitriy Traytel},
  title   = {A Formal Proof of The Chandy--Lamport Distributed Snapshot Algorithm},
  journal = {Archive of Formal Proofs},
  month   = July,
  year    = 2020,
  note    = {\url{http://isa-afp.org/entries/Chandy_Lamport.html},
            Formal proof development},
  ISSN    = {2150-914x},
}
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