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DOI: 10.4230/LIPIcs.CALCO.2023.22

CRDTs, Coalgebraically (Early Ideas)

Authors: Nathan Liittschwager, Stelios Tsampas, Jonathan Castello, and Lindsey Kuper

Published in: LIPIcs, Volume 270, 10th Conference on Algebra and Coalgebra in Computer Science (CALCO 2023)

Abstract

We describe ongoing work that models conflict-free replicated data types (CRDTs) from a coalgebraic point of view. CRDTs are data structures designed for replication across multiple physical locations in a distributed system. We show how to model a CRDT at the local replica level using a novel coalgebraic semantics for CRDTs. We believe this is the first step towards presenting a unified theory for specifying and verifying CRDTs and replicated state machines. As a case study, we consider emulation of CRDTs in terms of coalgebra.

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Nathan Liittschwager, Stelios Tsampas, Jonathan Castello, and Lindsey Kuper. CRDTs, Coalgebraically (Early Ideas). In 10th Conference on Algebra and Coalgebra in Computer Science (CALCO 2023). Leibniz International Proceedings in Informatics (LIPIcs), Volume 270, pp. 22:1-22:5, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)

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@InProceedings{liittschwager_et_al:LIPIcs.CALCO.2023.22,
  author =	{Liittschwager, Nathan and Tsampas, Stelios and Castello, Jonathan and Kuper, Lindsey},
  title =	{{CRDTs, Coalgebraically}},
  booktitle =	{10th Conference on Algebra and Coalgebra in Computer Science (CALCO 2023)},
  pages =	{22:1--22:5},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-287-7},
  ISSN =	{1868-8969},
  year =	{2023},
  volume =	{270},
  editor =	{Baldan, Paolo and de Paiva, Valeria},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CALCO.2023.22},
  URN =		{urn:nbn:de:0030-drops-188198},
  doi =		{10.4230/LIPIcs.CALCO.2023.22},
  annote =	{Keywords: Coalgebra, Distributed Systems, Concurrency, Bisimulation}
}

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CRDTs, Coalgebraically (Early Ideas)

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