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A systematic literature review on IoT application layer protocol testing and future research directions
Maryam Asgari Araghi1, Ferhat Khendek1
1Department of Electrical and Computer Engineering, Concordia University, Montreal, Canada.
Discover Internet of Things
|May 18, 2026
Summary
This study reviews Internet of Things (IoT) application layer protocol testing. It identifies key challenges and trends in testing IoT protocols to improve device quality and performance.
Area of Science:
- Computer Science
- Software Engineering
- Network Engineering
Background:
- Internet of Things (IoT) devices are increasingly critical across various domains.
- Existing reviews often overlook specific testing of IoT application layer protocols.
- A focused analysis of IoT application layer protocol testing is needed.
Purpose of the Study:
- To systematically review and analyze the state-of-the-art in testing IoT application layer protocols.
- To identify current testing approaches, tools, frameworks, and trends.
- To highlight challenges and future research directions in this specialized testing area.
Main Methods:
- Conducted a Systematic Literature Review (SLR) following PRISMA guidelines.
- Screened 822 papers retrieved from eight digital libraries, selecting 47 primary studies.
- Focused on studies published between 2010 and 2025.
Main Results:
- Synthesized findings on diverse testing types for IoT application layer protocols.
- Identified promising testing approaches, frameworks, and tools.
- Detailed current trends, significant challenges, and open research issues.
Conclusions:
- This SLR provides a comprehensive overview of IoT application layer protocol testing.
- The findings guide researchers and practitioners in improving IoT quality through effective testing.
- Identified research gaps highlight future work needed in this evolving field.
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