Abstract
The nature of Internet of Things (IoT) networks and Wireless Sensor Networks (WSNs) is such that it makes them vulnerable to a number of problems, such as path disconnections, node failure, and security attacks. Nowadays it is important that a network is able to continue functioning correctly even in the occurrence of faults. The use of mobile nodes is an approach that can be used to resolve the issue of failure. In this work we present a Centralized Fault Tolerant Algorithm that utilizes mobile nodes to handle failures in the network. The scheme consists of a detection and a recovery process. In the former, the fault is detected by the sink node and investigated with the help of an investigation mobile node, whereas in the latter, mobile nodes paths are created to (re)connect the affected area with the sink node. Simulation results show that the proposed scheme can significantly contribute in the alleviation of faults in IoT and WSN networks.
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