Abstract
Model-Driven Development (MDD) with eUML-ARC uses a synthesis of executable UML and the ARC (Agent, Role, Coordination) programming model. An entity in the ARC model is composed of concurrent role-based agents, enabling collaboration-based design and exposing both inter-entity and intra-entity parallelism, thereby facilitating the development of software systems that execute efficiently on multi-core hardware. Concurrency in eUML-ARC is based on the Actor model, which provides a simpler and more formal treatment of concurrency than found in standard UML or other approaches to executable UML. The coordination required by collaboration-based designs is separated from other computation and enacted by coordination agents upon coordinated role-based agents. In this paper, we examine the distinguishing features of the eUML-ARC approach to MDD, including the support for hierarchical state machines, the simplified concurrency model, the structure of the ARC model, and coordination viewed as an orthogonal concern. As a case study, a benchmark system is specified as an eUML-ARC model and deployed to a multi-core computer.
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