Unidirectional Communications in Secure IoT Systems-A Survey

The security of Internet of Things (IoT) systems has consistently been a challenge, particularly in the context of critical infrastructure. One particular approach not yet employed in this domain is the unidirectional communication paradigm. This survey presents an analysis of the most prevalent uni...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2024-11, Vol.24 (23), p.7528
Main Authors: Gaina, Lucian, Stangaciu, Cristina Sorina, Stanescu, Daniela, Gusita, Bianca, Micea, Mihai Victor
Format: Article
Language:English
Subjects:
Access to information
Algorithms
Communication
critical infrastructure
data diodes
Data exchange
Data integrity
Diodes
Infrastructure
Internet
Internet of Things (IoT)
network pumps
Privacy
R&D
Research & development
Review
Safety and security measures
security
Security systems
unidirectional communications
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Summary:The security of Internet of Things (IoT) systems has consistently been a challenge, particularly in the context of critical infrastructure. One particular approach not yet employed in this domain is the unidirectional communication paradigm. This survey presents an analysis of the most prevalent unidirectional communication solutions, namely, data diodes, network pumps, unidirectional gateways, and unidirectional protocols. The objective of the survey is to present an analysis of the unidirectional communication methods that meet the requirements of IoT security. These methods are classified according to their implementation and operational mode. The survey analyzes the unidirectional communication solutions based on their performance, the level of security offered, the cost-effectiveness, and their cost of implementation. Additionally, it includes an analysis of the existing off-the-shelf unidirectional communication implementations found in the industry. Furthermore, it identifies some of the most important current issues and development directions.
ISSN:1424-8220
1424-8220
DOI:10.3390/s24237528