在VANET中进行分散的信任优化:以区块链驱动的混合PoS-PBFT架构用于增强安全性和节能通信
Asad Ullah1, Zia Ullah2, Sanam Shahla Rizvi3
1School of Information Engineering, Xi'an Eurasia University, Xi'an, Shaanxi, China.
PloS one
|December 15, 2025
概括
本研究介绍了一个区块链框架,用于安全的车辆特设网络 (VANET). 该系统增强了信任管理,减少了35%的网络流量,并提高了25%的恶意节点检测.
科学领域:
- 计算机科学 计算机科学
- 网络安全 网络安全
- 智能运输系统 智能运输系统
背景情况:
- 车辆特设网络 (VANET) 对于智能运输系统 (ITS) 是至关重要的.
- 由于其动态和分散的性质,VANET面临信任和安全挑战,导致安全威胁,高通讯开销和能源效率低下.
- 现有的解决方案在VANET中努力平衡安全性,效率和可扩展性.
研究的目的:
- 为VANETs开发一个基于区块链的新型信任管理框架.
- 解决VANET中通信开销,能源效率低下和安全威胁的问题.
- 为了提高信任准确性和恶意节点检测能力.
主要方法:
- 实施基于区块链的信任管理框架.
- 整合轻量级的共识机制 (混合的权益证明和实际的拜占庭式故障容忍).
- 利用优化的数据传播策略和节能协议.
主要成果:
- 通过选择性信任更新传播,将整体网络流量减少35%.
- 在检测恶意节点方面取得了超过95%的准确性.
- 恶意行为检测率提高了25%,延迟时间减少了30%,能源消耗减少了40%.
- 在高流动性条件下,向准确的信任值更快地趋同.
结论:
- 拟议的区块链框架为VANET信任管理提供了一个安全,节能和可扩展的解决方案.
- 该系统有效地缓解安全威胁,并在动态的车辆环境中提高通信效率.
- 这项研究为更有弹性和可靠的车辆通信网络铺平了道路.
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