Cited by 659IoT and Edge/Fog ComputingInternet of Things and AIBlockchain Technology Applications and Security

Securing Fog Computing for Internet of Things Applications: Challenges and Solutions

Ni, Jianbing, Zhang, Kuan, Lin, Xiaodong, Shen, Xuemin·2018·IEEE Communications Surveys & Tutorials

Abstract

Internet of Things (IoT) allows billions of physical objects to be connected to collect and exchange data for offering various applications, such as environmental monitoring, infrastructure management, and home automation. On the other hand, IoT has unsupported features (e.g., low latency, location awareness, and geographic distribution) that are critical for some IoT applications, including smart traffic lights, home energy management and augmented reality. To support these features, fog computing is integrated into IoT to extend computing, storage and networking resources to the network edge. Unfortunately, it is confronted with various security and privacy risks, which raise serious concerns towards users. In this survey, we review the architecture and features of fog computing and study critical roles of fog nodes, including real-time services, transient storage, data dissemination and decentralized computation. We also examine fog-assisted IoT applications based on different roles of fog nodes. Then, we present security and privacy threats towards IoT applications and discuss the security and privacy requirements in fog computing. Further, we demonstrate potential challenges to secure fog computing and review the state-of-the-art solutions used to address security and privacy issues in fog computing for IoT applications. Finally, by defining several open research issues, it is expected to draw more attention and efforts into this new architecture.

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Crossref · 10.1109/comst.2017.2762345

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Authors
Ni, J., Zhang, K., Lin, X., & Shen, X.
Affiliations
  • University of Waterloo (CA)
  • University of Nebraska–Lincoln (US)
  • Wilfrid Laurier University (CA)
Venue
IEEE Communications Surveys & Tutorials
Published
2018
Volume
20
Issue
1
Pages
601-628
ISSN
  • 1553-877X (ISSN-L)
  • 2373-745X
OpenAlex
W2763925543
Cited by
659
References
211
Citations by year
2026: 16 · 2025: 37 · 2024: 48 · 2023: 81 · 2022: 94 · 2021: 106 · 2020: 103 · 2019: 103 · 2018: 70 · 2017: 1
FWCI
50.47
Type
journal article
Language
en
Open access
closed
Locations
IEEE Communications Surveys & Tutorials (publishedVersion)
Funders
National Natural Science Foundation of China (61728102)
Topics
  • Physical Sciences › Computer Science › Computer Networks and Communications › IoT and Edge/Fog Computing
  • Physical Sciences › Computer Science › Information Systems › Internet of Things and AI
  • Physical Sciences › Computer Science › Information Systems › Blockchain Technology Applications and Security
Keywords
fog computing, Internet of Things, fog computing security, privacy, fog nodes, security threats, privacy requirements, edge computing, decentralized computing, data dissemination, real-time services, transient storage, open problems

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