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Blockchain-Based Lightweight Trust Management in Mobile Ad-Hoc Networks
May Thura Lwin1, Jinhyuk Yim2, Young-Bae Ko1
1Department of Computer Engineering, Ajou University, Suwon 16499, Korea.
Sensors (Basel, Switzerland)
|February 5, 2020
Summary
This study introduces a blockchain-based trust management system with a lightweight consensus algorithm for mobile ad-hoc networks (MANETs). It enhances security and efficiency in routing protocols like OLSR, reducing overhead and improving attack defense.
Area of Science:
- Computer Science
- Network Security
- Distributed Systems
Background:
- Blockchain technology offers unique features like immutability and consensus for secure data exchange.
- Mobile ad-hoc networks (MANETs) face challenges in secure data validation and trust management due to their dynamic and distributed nature.
- Integrating blockchain into MANETs requires addressing computational complexity and node selection for validation.
Purpose of the Study:
- To propose a novel blockchain-based trust management system for MANETs.
- To develop a lightweight consensus algorithm suitable for resource-constrained ad-hoc environments.
- To enhance the security and efficiency of routing protocols, specifically the Optimized Link State Routing Protocol (OLSR), using blockchain principles.
Main Methods:
- Implementation of a distributed trust framework using blockchain for routing nodes in MANETs.
- Development and application of a lightweight consensus algorithm for block validation.
- Integration of blockchain concepts into the Optimized Link State Routing Protocol (OLSR) to address individual node security operations.
Main Results:
- The proposed system provides a tamper-proof, distributed trust framework for MANETs.
- The lightweight consensus algorithm significantly reduces validation time and overhead in resource-hungry MANETs.
- Attack detection overhead and time are decreased due to reduced process repetitivity, enhancing scalability and distributed trust.
Conclusions:
- The blockchain-based trust management system with a lightweight consensus algorithm is effective for MANETs.
- The proposed approach enhances security, reduces computational burden, and improves trust management in ad-hoc networks.
- This system offers a scalable and distributed solution for securing routing operations in MANETs.
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