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A Source Anonymity-Based Lightweight Secure AODV Protocol for Fog-Based MANET.

Weidong Fang1,2, Wuxiong Zhang3,4, Jinchao Xiao5

  • 1Key Laboratory of Wireless Sensor Network & Communication, Shanghai Institute of Micro-system and Information Technology, Chinese Academy of Sciences, Shanghai 201800, China. weidong.fang@mail.sim.ac.cn.

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Summary

This study introduces SAL-SAODV, a novel routing protocol for fog-based mobile ad hoc networks (MANETs). It enhances security and energy efficiency by anonymizing the source and using a lightweight CRC-4 scheme, outperforming existing protocols.

Keywords:
AODVenergy efficiencyfog computingmobile ad hoc networksecurity

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Area of Science:

  • Computer Science
  • Network Engineering
  • Cybersecurity

Background:

  • Mobile Ad hoc Networks (MANETs) integrate mobility with fog computing, creating fog-based MANETs.
  • The Ad hoc On-Demand Distance Vector (AODV) routing protocol is widely used in fog-based MANETs.
  • Existing research on AODV focuses on improving transmission performance and security, often neglecting joint energy efficiency and security.

Purpose of the Study:

  • To propose a novel routing protocol, SAL-SAODV, for fog-based MANETs.
  • To enhance both security and energy efficiency in AODV.
  • To achieve source anonymity and data integrity while reducing computational overhead.

Main Methods:

  • Developed a Source Anonymity-based Lightweight Secure AODV (SAL-SAODV) protocol.
  • Implemented a source anonymity algorithm to prevent node tracking.
  • Utilized an improved CRC-4 polynomial scheme to replace RSA digital signatures for data integrity and reduced energy consumption.
  • Incorporated a Random Delayed Transmitting Scheme (RDTM) for tamper-proofing.

Main Results:

  • The SAL-SAODV protocol demonstrates a balanced improvement in transmission performance, energy efficiency, and security.
  • Achieved source anonymity, ensuring nodes cannot be tracked or located.
  • Reduced computational and energy demands compared to traditional RSA-based security methods.
  • The RDTM scheme effectively separated check codes and data, providing tamper-proof transmission.

Conclusions:

  • SAL-SAODV offers a superior trade-off between transmission performance, energy efficiency, and security for fog-based MANETs.
  • The proposed protocol outperforms both standard AODV and SAODV in comprehensive evaluations.
  • This research addresses the gap in joint energy efficiency and security considerations for AODV in fog-based MANET environments.