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在下一代被动光学网络中,用于保密光路保护的交叉通话感知动态带宽分配算法.
Optics express
|November 11, 2025
概括
本研究介绍了一种新的交叉通话意识的动态带宽分配 (CA-DBA) 算法,用于时间和波长分割多重复合的被动光学网络 (TWDM-PON). 该CA-DBA算法有效地减轻了交叉通话攻击,确保了对机密光路的安全数据传输.
科学领域:
- 电信工程 电信工程 电信工程
- 网络安全 网络安全
- 光学网络 光学网络
背景情况:
- 时间和波长分割多重复合的被动光学网络 (TWDM-PON) 对于B5G应用至关重要,提供高容量.
- 在TWDM-PON中,机密光路 (CLP) 容易受到交叉通话攻击,导致数据窃听和服务中断.
- 在TWDM-PON中,交叉通话攻击可能由于缺乏光电光学转换而未被检测到,导致广泛的信息泄露.
研究的目的:
- 为TWDM-PON开发一种新的交叉通话意识的动态带宽分配 (CA-DBA) 算法.
- 模拟和理解TWDM-PON中交叉通话攻击的传播.
- 提出一个强大的安全机制,防止对CLP的交叉窃听攻击.
主要方法:
- 模拟两种类型的交叉通话攻击的生成和传播.
- 使用图形神经网络 (GNN) 模型来识别交叉通话攻击的概率.
- 实施一个启发式算法,有三个不同的投票方案:安全优先,时间优先和时间效率.
主要成果:
- 安全优先和时间效率方案使用ChebConv模型实现了0%的泄漏风险,最高可达100%的检测准确性.
- 时间优先计划虽然减少了48.04%的时间延迟,但仍使至少6%的链路面临高泄漏风险.
- 拟议的CA-DBA算法有效地减轻了TWDM-PON中的交叉声攻击.
结论:
- 开发的CA-DBA算法可以有效地缓解TWDM-PON中的交叉声攻击.
- 基于GNN的方法在识别攻击概率方面提供了高准确度.
- 差异化投票方案允许根据应用需求平衡安全和性能要求.
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