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Open Access

ARTICLE

A Latency-Aware and Fault-Tolerant Framework for Resource Scheduling and Data Management in Fog-Enabled Smart City Transportation Systems

Ibrar Afzal1, Noor ul Amin1,*, Zulfiqar Ahmad1,*, Abdulmohsen Algarni2
1 Department of Computer Science and Information Technology, Hazara University, Mansehra, 21300, Pakistan
2 Department of Computer Science, King Khalid University, Abha, 61421, Saudi Arabia
* Corresponding Author: Noor ul Amin. Email: email; Zulfiqar Ahmad. Email: email
(This article belongs to the Special Issue: Practical Application and Services in Fog/Edge Computing System)

Computers, Materials & Continua https://doi.org/10.32604/cmc.2024.057755

Received 27 August 2024; Accepted 19 November 2024; Published online 13 December 2024

Abstract

The deployment of the Internet of Things (IoT) with smart sensors has facilitated the emergence of fog computing as an important technology for delivering services to smart environments such as campuses, smart cities, and smart transportation systems. Fog computing tackles a range of challenges, including processing, storage, bandwidth, latency, and reliability, by locally distributing secure information through end nodes. Consisting of endpoints, fog nodes, and back-end cloud infrastructure, it provides advanced capabilities beyond traditional cloud computing. In smart environments, particularly within smart city transportation systems, the abundance of devices and nodes poses significant challenges related to power consumption and system reliability. To address the challenges of latency, energy consumption, and fault tolerance in these environments, this paper proposes a latency-aware, fault-tolerant framework for resource scheduling and data management, referred to as the FORD framework, for smart cities in fog environments. This framework is designed to meet the demands of time-sensitive applications, such as those in smart transportation systems. The FORD framework incorporates latency-aware resource scheduling to optimize task execution in smart city environments, leveraging resources from both fog and cloud environments. Through simulation-based executions, tasks are allocated to the nearest available nodes with minimum latency. In the event of execution failure, a fault-tolerant mechanism is employed to ensure the successful completion of tasks. Upon successful execution, data is efficiently stored in the cloud data center, ensuring data integrity and reliability within the smart city ecosystem.

Keywords

Fog computing; smart cities; smart transportation; data management; fault tolerance; resource scheduling

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