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A model for correlation-based choreographic programming.

Saverio Giallorenzo^1,2, Fabrizio Montesi³, Maurizio Gabbrielli²

¹INRIA, Sophia-Antipolis, France.

Peerj. Computer Science

|February 3, 2025

Summary

This summary is machine-generated.

Applied Choreographies bridges the gap between theoretical models and practical implementations of distributed systems. This new framework ensures faithful service-oriented implementations from choreography specifications.

Keywords:

Choreographic programming Concurrency Distributed programming Service-oriented computing

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Area of Science:

Computer Science
Formal Methods
Distributed Systems

Background:

Choreographies model communication in concurrent and distributed systems.
Existing theories have a gap between abstract channel names and low-level message routing in implementations.
Bridging this gap is crucial for practical application of choreographic models.

Purpose of the Study:

Introduce Applied Choreographies, a formal framework to bridge the theory-practice gap in choreographic models.
Enable developers to write and reason about choreographies using familiar syntax and abstract semantics.
Provide a compilation procedure to transform choreographies into Service-Oriented Computing (SOC) calculus.

Main Methods:

Developed a new formal framework, Applied Choreographies.
Introduced a compilation procedure divided into three stages: translation, projection, and distribution.
Formalized and proved the compilation stages, ensuring behavioral correspondence.
Utilized choreographic types for modular programming features.

Main Results:

Successfully bridged the gap between abstract choreographic models and low-level SOC implementations.
Demonstrated a compilation procedure that transforms name-based communications into data-correlated messages.
Proved behavioral correspondence at each stage of the compilation process.
Guaranteed the synthesis of faithful service-oriented implementations from choreography specifications.

Conclusions:

Applied Choreographies provides a robust framework for designing and implementing distributed systems.
The proposed compilation procedure ensures correctness and faithfulness of the generated SOC implementations.
This work facilitates the practical application of formal choreographic models in real-world systems.