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Information-Aware Secure Routing in Wireless Sensor Networks.

Qiong Shi1,2,3, Li Qin1,2, Yinghua Ding3

  • 1Science and Technology on Electronic Test & Measurement Laboratory, North University of China, Taiyuan 030051, Shan'xi, China.

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Summary

This study introduces a secure routing protocol for wireless sensor networks (WSNs) that identifies and avoids malicious nodes. The protocol ensures optimal and secure data transmission by evaluating node trust and status, enhancing network reliability.

Keywords:
attack probabilityglobal optimizationinformation-awaresecure routingtrust calculation

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Area of Science:

  • Computer Science
  • Network Security
  • Wireless Sensor Networks

Background:

  • Wireless Sensor Networks (WSNs) are susceptible to various security threats, particularly from malicious nodes.
  • Secure routing is essential for maintaining the integrity and reliability of data transmission in WSNs.

Purpose of the Study:

  • To propose a novel secure routing protocol for WSNs designed to mitigate attacks from malicious nodes.
  • To enhance the security and efficiency of routing in WSNs by considering node-specific metrics.

Main Methods:

  • A new secure routing protocol is proposed, incorporating trust value (attack probability) and status (residual energy and distance to sink) for each relay node.
  • An improved variant of the Dijkstra algorithm is utilized to generate secure and globally optimal routes.
  • The protocol's performance is evaluated against the Reputation-Based Mechanism to Stimulate Cooperation (RBMSC) model and the traditional Dijkstra algorithm.

Main Results:

  • The proposed protocol achieves a higher delivery ratio compared to the RBMSC model, demonstrating its effectiveness in global optimization.
  • The improved Dijkstra algorithm shows a lower packet loss ratio than the traditional Dijkstra algorithm by effectively avoiding malicious nodes.
  • The generated routes are secure against malicious attacks and globally optimal based on node trust and status.

Conclusions:

  • The developed secure routing protocol effectively enhances WSN security and performance by intelligently selecting routes.
  • The improved Dijkstra algorithm variant is superior in avoiding malicious nodes, leading to reduced packet loss and increased data delivery.
  • The protocol offers a robust solution for secure and efficient routing in WSNs facing adversarial conditions.