2 Search Results for "Harvey, Paul"

Document
Artifact
DOI: 10.4230/DARTS.7.2.8
Multiparty Session Types for Safe Runtime Adaptation in an Actor Language (Artifact)

Authors: Paul Harvey, Simon Fowler, Ornela Dardha, and Simon J. Gay

Published in: DARTS, Volume 7, Issue 2, Special Issue of the 35th European Conference on Object-Oriented Programming (ECOOP 2021)

Abstract
This is the companion artifact for the paper "Multiparty Session Types for Safe Runtime Adaptation in an Actor Language". EnsembleS is an actor-based programming language supporting dynamic self-adaptation, (discovery, replacement, and communication), which also guarantees communication safety. The artifact includes the EnsembleS compiler, the modified StMungo code, and all examples contained within the paper.
Cite as

Paul Harvey, Simon Fowler, Ornela Dardha, and Simon J. Gay. Multiparty Session Types for Safe Runtime Adaptation in an Actor Language (Artifact). In Special Issue of the 35th European Conference on Object-Oriented Programming (ECOOP 2021). Dagstuhl Artifacts Series (DARTS), Volume 7, Issue 2, pp. 8:1-8:2, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@Article{harvey_et_al:DARTS.7.2.8,
  author =	{Harvey, Paul and Fowler, Simon and Dardha, Ornela and Gay, Simon J.},
  title =	{{Multiparty Session Types for Safe Runtime Adaptation in an Actor Language (Artifact)}},
  pages =	{8:1--8:2},
  journal =	{Dagstuhl Artifacts Series},
  ISSN =	{2509-8195},
  year =	{2021},
  volume =	{7},
  number =	{2},
  editor =	{Harvey, Paul and Fowler, Simon and Dardha, Ornela and Gay, Simon J.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DARTS.7.2.8},
  URN =		{urn:nbn:de:0030-drops-140327},
  doi =		{10.4230/DARTS.7.2.8},
  annote =	{Keywords: Concurrency, session types, adaptation, actors, trust}
}
Document
DOI: 10.4230/LIPIcs.ECOOP.2021.10
Multiparty Session Types for Safe Runtime Adaptation in an Actor Language

Authors: Paul Harvey, Simon Fowler, Ornela Dardha, and Simon J. Gay

Published in: LIPIcs, Volume 194, 35th European Conference on Object-Oriented Programming (ECOOP 2021)

Abstract
Human fallibility, unpredictable operating environments, and the heterogeneity of hardware devices are driving the need for software to be able to adapt as seen in the Internet of Things or telecommunication networks. Unfortunately, mainstream programming languages do not readily allow a software component to sense and respond to its operating environment, by discovering, replacing, and communicating with components that are not part of the original system design, while maintaining static correctness guarantees. In particular, if a new component is discovered at runtime, there is no guarantee that its communication behaviour is compatible with existing components. We address this problem by using multiparty session types with explicit connection actions, a type formalism used to model distributed communication protocols. By associating session types with software components, the discovery process can check protocol compatibility and, when required, correctly replace components without jeopardising safety. We present the design and implementation of EnsembleS, the first actor-based language with adaptive features and a static session type system, and apply it to a case study based on an adaptive DNS server. We formalise the type system of EnsembleS and prove the safety of well-typed programs, making essential use of recent advances in non-classical multiparty session types.
Cite as

Paul Harvey, Simon Fowler, Ornela Dardha, and Simon J. Gay. Multiparty Session Types for Safe Runtime Adaptation in an Actor Language. In 35th European Conference on Object-Oriented Programming (ECOOP 2021). Leibniz International Proceedings in Informatics (LIPIcs), Volume 194, pp. 10:1-10:30, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@InProceedings{harvey_et_al:LIPIcs.ECOOP.2021.10,
  author =	{Harvey, Paul and Fowler, Simon and Dardha, Ornela and Gay, Simon J.},
  title =	{{Multiparty Session Types for Safe Runtime Adaptation in an Actor Language}},
  booktitle =	{35th European Conference on Object-Oriented Programming (ECOOP 2021)},
  pages =	{10:1--10:30},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-190-0},
  ISSN =	{1868-8969},
  year =	{2021},
  volume =	{194},
  editor =	{M{\o}ller, Anders and Sridharan, Manu},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.ECOOP.2021.10},
  URN =		{urn:nbn:de:0030-drops-140539},
  doi =		{10.4230/LIPIcs.ECOOP.2021.10},
  annote =	{Keywords: Concurrency, session types, adaptation}
}
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