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A Service Discovery Solution for Edge Choreography-Based Distributed Embedded Systems.

Sara Blanc¹, José-Luis Bayo-Montón¹, Senén Palanca-Barrio²

¹Institute of Information and Communication Technologies, ITACA, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain.

Sensors (Basel, Switzerland)

|January 22, 2021

Summary

This study introduces a novel service discovery solution for Internet of Things (IoT) edge systems, enhancing choreography middleware with new messaging models. It improves hot plugging and load balancing for distributed embedded systems.

Keywords:

Internet of Things discovery distributed embedded systems edge fog computing middleware regular expressions service choreography

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Area of Science:

Computer Science
Distributed Systems
Internet of Things (IoT)

Background:

Edge computing architectures in IoT systems often face challenges with service discovery and dynamic resource management.
Choreography-based distributed embedded systems require robust mechanisms for service integration and load balancing.

Purpose of the Study:

To develop and evaluate a service discovery solution for edge choreography-based distributed embedded systems.
To enhance IoT middleware compatibility with existing messaging protocols and support dynamic system changes.

Main Methods:

Implemented a broker service for service discovery supporting regular expressions (Regex) in message scope.
Integrated three message passing models into the choreography middleware.
Compared CPU usage and latency between request-response and data-centric configurations, and analyzed Regex impact on system resources.

Main Results:

The proposed solution facilitates blind hot plugging of new machines and aids in service load balancing.
Analysis of Regex interpreter latency and its impact on CPU and memory consumption was performed.
Performance was evaluated in both request-response and data-centric scenarios.

Conclusions:

The developed service discovery mechanism effectively supports dynamic service management in IoT edge environments.
The use of Regex in message scope offers a flexible approach for service matching in distributed systems.
The solution demonstrates potential for improving the efficiency and adaptability of edge choreography-based systems.