Abstract
Trust-based security models are efficient and reliable over traditional cryptographic schemes (e.g., encryption, key management schemes) to detect and alleviate various internal threats by estimating the trust scores of sensor nodes in a quantitative way. Trust models analyse the trustworthiness of each sensor node to improve reliability, quality of data, prevent damage, and adversely affect. This paper presents a realistic trust-based reliable routing (communication) strategy to counter selfish nodes based on the hybrid trust model. The proposed scheme (TASRP) is a multifactor routing approach that employs trust scores of nodes, residual energy, and path length to provide reliable routing paths among trusted nodes with reduced energy consumption. This multi-factor strategy helps in selecting trusted nodes to forward data and minimise energy consumption due to shorter routing paths. Simulation results show better performance in terms of robust trust values, throughput, packet delivery rate, and energy consumption of nodes.
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