Secure time information in the internet key exchange protocol
Annales UMCS, Informatica - Security Systems
An accurate on-demand time synchronization protocol for wireless sensor networks
Journal of Parallel and Distributed Computing
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Time synchronization is essential in wireless sensor networks as it is needed by many applications for basic communication. The inherent characteristics of sensor networks do not permit simply applying traditional time synchronization algorithms. Therefore, many new time synchronization algorithms have been proposed, and a few of them provide security measures against various degrees of attacks. In this article we review the most commonly used time synchronization algorithms and evaluate these algorithms based on factors such as their countermeasures against various attacks and the types of techniques used.