DEVS as a Language for Design of Adaptive IoT Systems
Résumé
As Internet of Things (IoT) applications evolve toward greater capability, the requirements for adaptive behaviors become more salient. Complex adaptive concepts implemented in IoT-enabled systems are still emerging. The Discrete Event System Specification (DEVS) formalism enables modular construction and dynamic structure changes to support adaptive behavior. Here we will show that DEVS has the necessary model expressiveness and development continuity properties to serve as an IoT Design language. We will illustrate with several examples to show the wide applicability to IoT systems. We will demonstrate the added value of the System Entity Structure (SES) to enhance expressiveness, scalability, and flexibility in IoT system design, making it a powerful tool for managing complexity and enabling efficient simulation and deployment. In addition, we will formulate conditions that are necessary and sufficient for IoT system development and show how DEVS-based model-driven engineering methodology helps to meet them.
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