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Overview of Time Synchronization for IoT Deployments: Clock Discipline Algorithms and Protocols.

Hüseyi N Yi Ği Tler1, Behnam Badihi1, Riku Jäntti1

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Summary
This summary is machine-generated.

Accurate time synchronization is crucial for the Internet of Things (IoT). This study addresses challenges in synchronizing diverse IoT devices, offering methods and protocols for reliable timekeeping in complex deployments.

Keywords:
capillary networksclock discipline algorithmsclock synchronizationinternet of thingstime synchronization protocolswireless sensor networks

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Area of Science:

  • Computer Science
  • Networking
  • Distributed Systems

Background:

  • The Internet of Things (IoT) enables pervasive data exchange but faces challenges with time synchronization.
  • Existing time synchronization protocols like Network Time Protocol are not suitable for resource-constrained IoT devices.
  • Solutions for constrained systems often lack scalability in heterogeneous IoT deployments.

Purpose of the Study:

  • To investigate time synchronization challenges in Internet of Things (IoT) deployments.
  • To provide detailed derivations of clock models and their relations for IoT environments.
  • To present and analyze various clock synchronization methods and protocols suitable for IoT.

Main Methods:

  • Detailed mathematical derivations of clock models and clock relation models.
  • Presentation and performance analysis of different clock synchronization methods.
  • Survey of existing time synchronization protocols for IoT applications.
  • Tutorial on clock discipline algorithms.

Main Results:

  • The study provides a comprehensive overview of time synchronization methods applicable to IoT.
  • Performance expectations for various synchronization methods are derived and illustrated.
  • A survey of protocols aids practitioners in selecting appropriate components for IoT deployments.

Conclusions:

  • Effective time synchronization is essential for time-sensitive IoT applications.
  • The paper offers a holistic guide to time synchronization methods for diverse IoT scenarios.
  • This work supports the development of reliable and coherent timekeeping across heterogeneous IoT networks.