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Documents authored by Montesi, Fabrizio

Document
DOI: 10.4230/OASIcs.Microservices.2020-2022.3
Modular Choreographies: Bridging Alice and Bob Notation to Java

Authors: Luís Cruz-Filipe, Anne Madsen, Fabrizio Montesi, and Marco Peressotti

Published in: OASIcs, Volume 111, Joint Post-proceedings of the Third and Fourth International Conference on Microservices (Microservices 2020/2022)

Abstract
We present Modular Choreographies, a new choreographic programming language that features modular functions. Modular Choreographies is aimed at simplicity: its communication abstraction follows the simple tradition from the "Alice and Bob" notation. We develop a compiler toolchain that translates choreographies into modular Java libraries, which developers can use to participate correctly in choreographies. The key novelty is to compile through the Choral language, which was previously proposed to define object-oriented choreographies: our toolchain compiles Modular Choreographies to Choral, and then leverages the existing Choral compiler to generate Java code. Our work is the first to bridge the simplicity of traditional choreographic programming languages with the requirement of generating modular libraries in a mainstream language (Java).
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Luís Cruz-Filipe, Anne Madsen, Fabrizio Montesi, and Marco Peressotti. Modular Choreographies: Bridging Alice and Bob Notation to Java. In Joint Post-proceedings of the Third and Fourth International Conference on Microservices (Microservices 2020/2022). Open Access Series in Informatics (OASIcs), Volume 111, pp. 3:1-3:18, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)

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@InProceedings{cruzfilipe_et_al:OASIcs.Microservices.2020-2022.3,
  author =	{Cruz-Filipe, Lu{\'\i}s and Madsen, Anne and Montesi, Fabrizio and Peressotti, Marco},
  title =	{{Modular Choreographies: Bridging Alice and Bob Notation to Java}},
  booktitle =	{Joint Post-proceedings of the Third and Fourth International Conference on Microservices (Microservices 2020/2022)},
  pages =	{3:1--3:18},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-306-5},
  ISSN =	{2190-6807},
  year =	{2023},
  volume =	{111},
  editor =	{Dorai, Gokila and Gabbrielli, Maurizio and Manzonetto, Giulio and Osmani, Aomar and Prandini, Marco and Zavattaro, Gianluigi and Zimmermann, Olaf},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.Microservices.2020-2022.3},
  URN =		{urn:nbn:de:0030-drops-194650},
  doi =		{10.4230/OASIcs.Microservices.2020-2022.3},
  annote =	{Keywords: Choreographic Programming, Choreographies, Modularity}
}
Document
DOI: 10.4230/OASIcs.Microservices.2020-2022.6
Model-Driven Code Generation for Microservices: Service Models

Authors: Saverio Giallorenzo, Fabrizio Montesi, Marco Peressotti, and Florian Rademacher

Published in: OASIcs, Volume 111, Joint Post-proceedings of the Third and Fourth International Conference on Microservices (Microservices 2020/2022)

Abstract
We formally define and implement a translation of domain and service models expressed in the LEMMA modelling ecosystem for microservice architectures to source code in the Jolie microservice programming language. Specifically, our work extends previous efforts on the generation of Jolie code to the inclusion of the LEMMA service modelling layer. We also contribute an implementation of our translation, given as an extension of the LEMMA2Jolie tool, which enables the practical application of our encoding. As a result, LEMMA2Jolie now supports a software development process whereby microservice architectures can first be designed by microservice developers in collaboration with domain experts in LEMMA, and then be automatically translated into Jolie APIs. Our tool can thus be used to enhance productivity and improve design adherence.
Cite as

Saverio Giallorenzo, Fabrizio Montesi, Marco Peressotti, and Florian Rademacher. Model-Driven Code Generation for Microservices: Service Models. In Joint Post-proceedings of the Third and Fourth International Conference on Microservices (Microservices 2020/2022). Open Access Series in Informatics (OASIcs), Volume 111, pp. 6:1-6:17, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)

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@InProceedings{giallorenzo_et_al:OASIcs.Microservices.2020-2022.6,
  author =	{Giallorenzo, Saverio and Montesi, Fabrizio and Peressotti, Marco and Rademacher, Florian},
  title =	{{Model-Driven Code Generation for Microservices: Service Models}},
  booktitle =	{Joint Post-proceedings of the Third and Fourth International Conference on Microservices (Microservices 2020/2022)},
  pages =	{6:1--6:17},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-306-5},
  ISSN =	{2190-6807},
  year =	{2023},
  volume =	{111},
  editor =	{Dorai, Gokila and Gabbrielli, Maurizio and Manzonetto, Giulio and Osmani, Aomar and Prandini, Marco and Zavattaro, Gianluigi and Zimmermann, Olaf},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.Microservices.2020-2022.6},
  URN =		{urn:nbn:de:0030-drops-194688},
  doi =		{10.4230/OASIcs.Microservices.2020-2022.6},
  annote =	{Keywords: Microservices, Model-driven Engineering, Code Generation, Jolie APIs}
}
Document
DOI: 10.4230/LIPIcs.ITP.2023.11
Now It Compiles! Certified Automatic Repair of Uncompilable Protocols

Authors: Luís Cruz-Filipe and Fabrizio Montesi

Published in: LIPIcs, Volume 268, 14th International Conference on Interactive Theorem Proving (ITP 2023)

Abstract
Choreographic programming is a paradigm where developers write the global specification (called choreography) of a communicating system, and then a correct-by-construction distributed implementation is compiled automatically. Unfortunately, it is possible to write choreographies that cannot be compiled, because of issues related to an agreement property known as knowledge of choice. This forces programmers to reason manually about implementation details that may be orthogonal to the protocol that they are writing. Amendment is an automatic procedure for repairing uncompilable choreographies. We present a formalisation of amendment from the literature, built upon an existing formalisation of choreographic programming. However, in the process of formalising the expected properties of this procedure, we discovered a subtle counterexample that invalidates the original published and peer-reviewed pen-and-paper theory. We discuss how using a theorem prover led us to both finding the issue, and stating and proving a correct formulation of the properties of amendment.
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Luís Cruz-Filipe and Fabrizio Montesi. Now It Compiles! Certified Automatic Repair of Uncompilable Protocols. In 14th International Conference on Interactive Theorem Proving (ITP 2023). Leibniz International Proceedings in Informatics (LIPIcs), Volume 268, pp. 11:1-11:19, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)

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@InProceedings{cruzfilipe_et_al:LIPIcs.ITP.2023.11,
  author =	{Cruz-Filipe, Lu{\'\i}s and Montesi, Fabrizio},
  title =	{{Now It Compiles! Certified Automatic Repair of Uncompilable Protocols}},
  booktitle =	{14th International Conference on Interactive Theorem Proving (ITP 2023)},
  pages =	{11:1--11:19},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-284-6},
  ISSN =	{1868-8969},
  year =	{2023},
  volume =	{268},
  editor =	{Naumowicz, Adam and Thiemann, Ren\'{e}},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.ITP.2023.11},
  URN =		{urn:nbn:de:0030-drops-183867},
  doi =		{10.4230/LIPIcs.ITP.2023.11},
  annote =	{Keywords: choreographic programming, theorem proving, compilation, program repair}
}
Document
DOI: 10.4230/LIPIcs.ECOOP.2023.7
Modular Compilation for Higher-Order Functional Choreographies

Authors: Luís Cruz-Filipe, Eva Graversen, Lovro Lugović, Fabrizio Montesi, and Marco Peressotti

Published in: LIPIcs, Volume 263, 37th European Conference on Object-Oriented Programming (ECOOP 2023)

Abstract
Choreographic programming is a paradigm for concurrent and distributed software, whereby descriptions of the intended communications (choreographies) are automatically compiled into distributed code with strong safety and liveness properties (e.g., deadlock-freedom). Recent efforts tried to combine the theories of choreographic programming and higher-order functional programming, in order to integrate the benefits of the former with the modularity of the latter. However, they do not offer a satisfactory theory of compilation compared to the literature, because of important syntactic and semantic shortcomings: compilation is not modular (editing a part might require recompiling everything) and the generated code can perform unexpected global synchronisations. In this paper, we find that these shortcomings are not mere coincidences. Rather, they stem from genuine new challenges posed by the integration of choreographies and functions: knowing which participants are involved in a choreography becomes nontrivial, and divergence in applications requires rethinking how to prove the semantic correctness of compilation. We present a novel theory of compilation for functional choreographies that overcomes these challenges, based on types and a careful design of the semantics of choreographies and distributed code. The result: a modular notion of compilation, which produces code that is deadlock-free and correct (it operationally corresponds to its source choreography).
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Luís Cruz-Filipe, Eva Graversen, Lovro Lugović, Fabrizio Montesi, and Marco Peressotti. Modular Compilation for Higher-Order Functional Choreographies. In 37th European Conference on Object-Oriented Programming (ECOOP 2023). Leibniz International Proceedings in Informatics (LIPIcs), Volume 263, pp. 7:1-7:37, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)

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@InProceedings{cruzfilipe_et_al:LIPIcs.ECOOP.2023.7,
  author =	{Cruz-Filipe, Lu{\'\i}s and Graversen, Eva and Lugovi\'{c}, Lovro and Montesi, Fabrizio and Peressotti, Marco},
  title =	{{Modular Compilation for Higher-Order Functional Choreographies}},
  booktitle =	{37th European Conference on Object-Oriented Programming (ECOOP 2023)},
  pages =	{7:1--7:37},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-281-5},
  ISSN =	{1868-8969},
  year =	{2023},
  volume =	{263},
  editor =	{Ali, Karim and Salvaneschi, Guido},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.ECOOP.2023.7},
  URN =		{urn:nbn:de:0030-drops-182005},
  doi =		{10.4230/LIPIcs.ECOOP.2023.7},
  annote =	{Keywords: Choreographies, Concurrency, \lambda-calculus, Type Systems}
}
Document
Pearl
DOI: 10.4230/LIPIcs.ECOOP.2021.22
Multiparty Languages: The Choreographic and Multitier Cases (Pearl)

Authors: Saverio Giallorenzo, Fabrizio Montesi, Marco Peressotti, David Richter, Guido Salvaneschi, and Pascal Weisenburger

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

Abstract
Choreographic languages aim to express multiparty communication protocols, by providing primitives that make interaction manifest. Multitier languages enable programming computation that spans across several tiers of a distributed system, by supporting primitives that allow computation to change the location of execution. Rooted into different theoretical underpinnings - respectively process calculi and lambda calculus - the two paradigms have been investigated independently by different research communities with little or no contact. As a result, the link between the two paradigms has remained hidden for long. In this paper, we show that choreographic languages and multitier languages are surprisingly similar. We substantiate our claim by isolating the core abstractions that differentiate the two approaches and by providing algorithms that translate one into the other in a straightforward way. We believe that this work paves the way for joint research and cross-fertilisation among the two communities.
Cite as

Saverio Giallorenzo, Fabrizio Montesi, Marco Peressotti, David Richter, Guido Salvaneschi, and Pascal Weisenburger. Multiparty Languages: The Choreographic and Multitier Cases (Pearl). In 35th European Conference on Object-Oriented Programming (ECOOP 2021). Leibniz International Proceedings in Informatics (LIPIcs), Volume 194, pp. 22:1-22:27, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@InProceedings{giallorenzo_et_al:LIPIcs.ECOOP.2021.22,
  author =	{Giallorenzo, Saverio and Montesi, Fabrizio and Peressotti, Marco and Richter, David and Salvaneschi, Guido and Weisenburger, Pascal},
  title =	{{Multiparty Languages: The Choreographic and Multitier Cases}},
  booktitle =	{35th European Conference on Object-Oriented Programming (ECOOP 2021)},
  pages =	{22:1--22:27},
  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.2021.22},
  URN =		{urn:nbn:de:0030-drops-140658},
  doi =		{10.4230/LIPIcs.ECOOP.2021.22},
  annote =	{Keywords: Distributed Programming, Choreographies, Multitier Languages}
}
Document
DOI: 10.4230/LIPIcs.ITP.2021.15
Formalising a Turing-Complete Choreographic Language in Coq

Authors: Luís Cruz-Filipe, Fabrizio Montesi, and Marco Peressotti

Published in: LIPIcs, Volume 193, 12th International Conference on Interactive Theorem Proving (ITP 2021)

Abstract
The theory of choreographic languages typically includes a number of complex results that are proved by structural induction. The high number of cases and the subtle details in some of them lead to long reviewing processes, and occasionally to errors being found in published proofs. In this work, we take a published proof of Turing completeness of a choreographic language and formalise it in Coq. Our development includes formalising the choreographic language, its basic properties, Kleene’s theory of partial recursive functions, the encoding of these functions as choreographies, and a proof that this encoding is correct. With this effort, we show that theorem proving can be a very useful tool in the field of choreographic languages: besides the added degree of confidence that we get from a mechanised proof, the formalisation process led us to a significant simplification of the underlying theory. Our results offer a foundation for the future formal development of choreographic languages.
Cite as

Luís Cruz-Filipe, Fabrizio Montesi, and Marco Peressotti. Formalising a Turing-Complete Choreographic Language in Coq. In 12th International Conference on Interactive Theorem Proving (ITP 2021). Leibniz International Proceedings in Informatics (LIPIcs), Volume 193, pp. 15:1-15:18, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@InProceedings{cruzfilipe_et_al:LIPIcs.ITP.2021.15,
  author =	{Cruz-Filipe, Lu{\'\i}s and Montesi, Fabrizio and Peressotti, Marco},
  title =	{{Formalising a Turing-Complete Choreographic Language in Coq}},
  booktitle =	{12th International Conference on Interactive Theorem Proving (ITP 2021)},
  pages =	{15:1--15:18},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-188-7},
  ISSN =	{1868-8969},
  year =	{2021},
  volume =	{193},
  editor =	{Cohen, Liron and Kaliszyk, Cezary},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.ITP.2021.15},
  URN =		{urn:nbn:de:0030-drops-139109},
  doi =		{10.4230/LIPIcs.ITP.2021.15},
  annote =	{Keywords: Choreographic Programming, Formalisation, Turing Completeness}
}
Document
DOI: 10.4230/OASIcs.Gabbrielli.5
The Servers of Serverless Computing: A Formal Revisitation of Functions as a Service

Authors: Saverio Giallorenzo, Ivan Lanese, Fabrizio Montesi, Davide Sangiorgi, and Stefano Pio Zingaro

Published in: OASIcs, Volume 86, Recent Developments in the Design and Implementation of Programming Languages (2020)

Abstract
Serverless computing is a paradigm for programming cloud applications in terms of stateless functions, executed and scaled in proportion to inbound requests. Here, we revisit SKC, a calculus capturing the essential features of serverless programming. By exploring the design space of the language, we refined the integration between the fundamental features of the two calculi that inspire SKC: the λ- and the π-calculus. That investigation led us to a revised syntax and semantics, which support an increase in the expressiveness of the language. In particular, now function names are first-class citizens and can be passed around. To illustrate the new features, we present step-by-step examples and two non-trivial use cases from artificial intelligence, which model, respectively, a perceptron and an image tagging system into compositions of serverless functions. We also illustrate how SKC supports reasoning on serverless implementations, i.e., the underlying network of communicating, concurrent, and mobile processes which execute serverless functions in the cloud. To that aim, we show an encoding from SKC to the asynchronous π-calculus and prove it correct in terms of an operational correspondence. Dedicated to Maurizio Gabbrielli, on his 60th birthday (... rob da mët ! )
Cite as

Saverio Giallorenzo, Ivan Lanese, Fabrizio Montesi, Davide Sangiorgi, and Stefano Pio Zingaro. The Servers of Serverless Computing: A Formal Revisitation of Functions as a Service. In Recent Developments in the Design and Implementation of Programming Languages. Open Access Series in Informatics (OASIcs), Volume 86, pp. 5:1-5:21, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@InProceedings{giallorenzo_et_al:OASIcs.Gabbrielli.5,
  author =	{Giallorenzo, Saverio and Lanese, Ivan and Montesi, Fabrizio and Sangiorgi, Davide and Zingaro, Stefano Pio},
  title =	{{The Servers of Serverless Computing: A Formal Revisitation of Functions as a Service}},
  booktitle =	{Recent Developments in the Design and Implementation of Programming Languages},
  pages =	{5:1--5:21},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-171-9},
  ISSN =	{2190-6807},
  year =	{2020},
  volume =	{86},
  editor =	{de Boer, Frank S. and Mauro, Jacopo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.Gabbrielli.5},
  URN =		{urn:nbn:de:0030-drops-132271},
  doi =		{10.4230/OASIcs.Gabbrielli.5},
  annote =	{Keywords: Serverless computing, Process calculi, Pi-calculus}
}
Document
Complete Volume
DOI: 10.4230/OASIcs.Microservices.2017-2019
OASIcs, Volume 78, Microservices 2017/2019, Complete Volume

Authors: Luís Cruz-Filipe, Saverio Giallorenzo, Fabrizio Montesi, Marco Peressotti, Florian Rademacher, and Sabine Sachweh

Published in: OASIcs, Volume 78, Joint Post-proceedings of the First and Second International Conference on Microservices (Microservices 2017/2019)

Abstract
OASIcs, Volume 78, Microservices 2017/2019, Complete Volume
Cite as

Joint Post-proceedings of the First and Second International Conference on Microservices (Microservices 2017/2019). Open Access Series in Informatics (OASIcs), Volume 78, pp. 1-98, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@Proceedings{cruzfilipe_et_al:OASIcs.Microservices.2017-2019,
  title =	{{OASIcs, Volume 78, Microservices 2017/2019, Complete Volume}},
  booktitle =	{Joint Post-proceedings of the First and Second International Conference on Microservices (Microservices 2017/2019)},
  pages =	{1--98},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-137-5},
  ISSN =	{2190-6807},
  year =	{2020},
  volume =	{78},
  editor =	{Cruz-Filipe, Lu{\'\i}s and Giallorenzo, Saverio and Montesi, Fabrizio and Peressotti, Marco and Rademacher, Florian and Sachweh, Sabine},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.Microservices.2017-2019},
  URN =		{urn:nbn:de:0030-drops-118301},
  doi =		{10.4230/OASIcs.Microservices.2017-2019},
  annote =	{Keywords: OASIcs, Volume 78, Microservices 2017/2019, Complete Volume}
}
Document
Front Matter
DOI: 10.4230/OASIcs.Microservices.2017-2019.0
Front Matter, Table of Contents, Preface, Conference Organization

Authors: Luís Cruz-Filipe, Saverio Giallorenzo, Fabrizio Montesi, Marco Peressotti, Florian Rademacher, and Sabine Sachweh

Published in: OASIcs, Volume 78, Joint Post-proceedings of the First and Second International Conference on Microservices (Microservices 2017/2019)

Abstract
Front Matter, Table of Contents, Preface, Conference Organization
Cite as

Joint Post-proceedings of the First and Second International Conference on Microservices (Microservices 2017/2019). Open Access Series in Informatics (OASIcs), Volume 78, pp. 0:i-0:xiv, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@InProceedings{cruzfilipe_et_al:OASIcs.Microservices.2017-2019.0,
  author =	{Cruz-Filipe, Lu{\'\i}s and Giallorenzo, Saverio and Montesi, Fabrizio and Peressotti, Marco and Rademacher, Florian and Sachweh, Sabine},
  title =	{{Front Matter, Table of Contents, Preface, Conference Organization}},
  booktitle =	{Joint Post-proceedings of the First and Second International Conference on Microservices (Microservices 2017/2019)},
  pages =	{0:i--0:xiv},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-137-5},
  ISSN =	{2190-6807},
  year =	{2020},
  volume =	{78},
  editor =	{Cruz-Filipe, Lu{\'\i}s and Giallorenzo, Saverio and Montesi, Fabrizio and Peressotti, Marco and Rademacher, Florian and Sachweh, Sabine},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.Microservices.2017-2019.0},
  URN =		{urn:nbn:de:0030-drops-118225},
  doi =		{10.4230/OASIcs.Microservices.2017-2019.0},
  annote =	{Keywords: Front Matter, Table of Contents, Preface, Conference Organization}
}
Document
DOI: 10.4230/LIPIcs.CONCUR.2016.33
Coherence Generalises Duality: A Logical Explanation of Multiparty Session Types

Authors: Marco Carbone, Sam Lindley, Fabrizio Montesi, Carsten Schürmann, and Philip Wadler

Published in: LIPIcs, Volume 59, 27th International Conference on Concurrency Theory (CONCUR 2016)

Abstract
Wadler introduced Classical Processes (CP), a calculus based on a propositions-as-types correspondence between propositions of classical linear logic and session types. Carbone et al. introduced Multiparty Classical Processes, a calculus that generalises CP to multiparty session types, by replacing the duality of classical linear logic (relating two types) with a more general notion of coherence (relating an arbitrary number of types). This paper introduces variants of CP and MCP, plus a new intermediate calculus of Globally-governed Classical Processes (GCP). We show a tight relation between these three calculi, giving semantics-preserving translations from GCP to CP and from MCP to GCP. The translation from GCP to CP interprets a coherence proof as an arbiter process that mediates communications in a session, while MCP adds annotations that permit processes to communicate directly without centralised control.
Cite as

Marco Carbone, Sam Lindley, Fabrizio Montesi, Carsten Schürmann, and Philip Wadler. Coherence Generalises Duality: A Logical Explanation of Multiparty Session Types. In 27th International Conference on Concurrency Theory (CONCUR 2016). Leibniz International Proceedings in Informatics (LIPIcs), Volume 59, pp. 33:1-33:15, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2016)

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@InProceedings{carbone_et_al:LIPIcs.CONCUR.2016.33,
  author =	{Carbone, Marco and Lindley, Sam and Montesi, Fabrizio and Sch\"{u}rmann, Carsten and Wadler, Philip},
  title =	{{Coherence Generalises Duality: A Logical Explanation of Multiparty Session Types}},
  booktitle =	{27th International Conference on Concurrency Theory (CONCUR 2016)},
  pages =	{33:1--33:15},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-017-0},
  ISSN =	{1868-8969},
  year =	{2016},
  volume =	{59},
  editor =	{Desharnais, Jos\'{e}e and Jagadeesan, Radha},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2016.33},
  URN =		{urn:nbn:de:0030-drops-61811},
  doi =		{10.4230/LIPIcs.CONCUR.2016.33},
  annote =	{Keywords: Multiparty Session Types, Linear Logic, Propositions as Types}
}
Document
DOI: 10.4230/LIPIcs.CONCUR.2015.412
Multiparty Session Types as Coherence Proofs

Authors: Marco Carbone, Fabrizio Montesi, Carsten Schürmann, and Nobuko Yoshida

Published in: LIPIcs, Volume 42, 26th International Conference on Concurrency Theory (CONCUR 2015)

Abstract
We propose a Curry-Howard correspondence between a language for programming multiparty sessions and a generalisation of Classical Linear Logic (CLL). In this framework, propositions correspond to the local behaviour of a participant in a multiparty session type, proofs to processes, and proof normalisation to executing communications. Our key contribution is generalising duality, from CLL, to a new notion of n-ary compatibility, called coherence. Building on coherence as a principle of compositionality, we generalise the cut rule of CLL to a new rule for composing many processes communicating in a multiparty session. We prove the soundness of our model by showing the admissibility of our new rule, which entails deadlock-freedom via our correspondence.
Cite as

Marco Carbone, Fabrizio Montesi, Carsten Schürmann, and Nobuko Yoshida. Multiparty Session Types as Coherence Proofs. In 26th International Conference on Concurrency Theory (CONCUR 2015). Leibniz International Proceedings in Informatics (LIPIcs), Volume 42, pp. 412-426, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2015)

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@InProceedings{carbone_et_al:LIPIcs.CONCUR.2015.412,
  author =	{Carbone, Marco and Montesi, Fabrizio and Sch\"{u}rmann, Carsten and Yoshida, Nobuko},
  title =	{{Multiparty Session Types as Coherence Proofs}},
  booktitle =	{26th International Conference on Concurrency Theory (CONCUR 2015)},
  pages =	{412--426},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-91-0},
  ISSN =	{1868-8969},
  year =	{2015},
  volume =	{42},
  editor =	{Aceto, Luca and de Frutos Escrig, David},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2015.412},
  URN =		{urn:nbn:de:0030-drops-53661},
  doi =		{10.4230/LIPIcs.CONCUR.2015.412},
  annote =	{Keywords: Programming languages, Type systems, Session Types, Linear Logic}
}
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