Benchmarking IoT Simulation Frameworks for Edge–Fog–Cloud Architectures: A Comparative and Experimental Study

Fatima Bendaouch (), Hayat Zaydi, Safae Merzouk and Saliha Assoul
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Fatima Bendaouch: Smart Systems and Digital Transformation Team—SSDT, Systems Engineering and Digital Transformation Laboratory—LISTD, National Higher School of Mines—ENSMR, Rabat 11000, Morocco
Hayat Zaydi: Smart Systems and Digital Transformation Team—SSDT, Systems Engineering and Digital Transformation Laboratory—LISTD, National Higher School of Mines—ENSMR, Rabat 11000, Morocco
Safae Merzouk: SMARTiLab Laboratory, Moroccan School of Engineering Sciences (EMSI Rabat/SMARTILAB), Rabat 11000, Morocco
Saliha Assoul: Smart Systems and Digital Transformation Team—SSDT, Systems Engineering and Digital Transformation Laboratory—LISTD, National Higher School of Mines—ENSMR, Rabat 11000, Morocco

Future Internet, 2025, vol. 17, issue 9, 1-25

Abstract: Current IoT systems are structured around Edge, Fog, and Cloud layers to manage data and resource constraints more effectively. Although several studies have examined IoT simulators from a functional angle, few have combined technical comparisons with experimental validation under realistic conditions. This lack of integration limits the practical value of prior results and complicates tool selection for distributed architectures. This work introduces a selection and evaluation methodology for simulators that explicitly represent the Edge–Fog–Cloud continuum. Thirteen open-source tools are analyzed based on functional, technical, and operational features. Among them, iFogSim2 and FogNetSim++ are selected for a detailed experimental comparison on their support of mobility, resource allocation, and energy modeling across all layers. A shared hybrid IoT scenario is simulated using eight key metrics: execution time, application loop delay, CPU processing time per tuple, energy consumption, cloud execution cost, network usage, scalability, and robustness. The analysis reveals distinct modeling strategies: FogNetSim++ reduces loop latency by 48% and maintains stable performance at scale but shows high data loss under overload. In contrast, iFogSim2 consumes up to 80% less energy and preserves message continuity in stressful conditions, albeit with longer execution times. These outcomes reflect the trade-offs between modeling granularity, performance stability, and system resilience.

Keywords: Edge–Fog–Cloud simulation; internet of things; experimental benchmarking; distributed systems; iFogSim2; FogNetSim++ (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2025
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