通过智能感知网络攻击,动态优化量子纠缠纯化,提升抗拒绝服务能力。
Intelligence-Guided Adaptive Purification for DDoS-Resilient Quantum Networks: A CUDA-Q based Study
- 构建CUDA-Q与SeQUeNCe协同仿真,模拟异构量子中继链的自适应纯化策略。
- 在8节点链中,风险感知控制器使达标纠缠交付率提升至34.4%(原为9.8%)。
- 首次实现基于入侵检测的资源自适应调控,适合量子网络安全研究者。
量子中继网络需在纠缠生成速率、端到端保真度、纯化开销和内存延迟间权衡,当经典控制平面受网络异常或拒绝服务攻击影响时,这一权衡更复杂。本文开发了CUDA-Q/SeQUeNCe协同仿真流程,研究异构线性中继链中的自适应纠缠纯化。使用CUDA-Q的噪声量子核估算基础纯化与交换行为,而SeQUeNCe提供事件层模型,涵盖随机链路生成、依赖等待时间的内存退化、纯化失败及端到端交换。在稳态条件下,对比了无纯化、本地阈值纯化、均场预测纯化、固定纯化和资源惩罚的风险感知预测策略。在8节点链中,资源惩罚的风险感知控制器在降低延迟和纯化开销的同时,提升了达标交付概率。随后将量子网络控制器与来自CSE-CIC-IDS2018良性至SSDP攻击数据集的异常评分耦合。攻击期间,未感知攻击的控制器保持高原始交付率,但达标纠缠交付率降至0.098±0.007;而基于入侵检测的资源自适应控制器切换至更重的纯化模式,将达标交付率提升至0.344±0.011,接近理想感知控制器的0.335。结果表明,通过以原始吞吐换保真度,可显著提升量子网络在攻击下的实用性能。
原文摘要 · Abstract (English)
Quantum-repeater networks require adaptive control policies that balance entanglement generation rate, end-to-end fidelity, purification overhead, and memory-induced latency. This tradeoff becomes more complex when the classical control plane is degraded by cyber anomalies or denial-of-service traffic. We develop a CUDA-Q/SeQUeNCe co-simulation workflow for studying adaptive entanglement purification in heterogeneous linear repeater chains. CUDA-Q noisy quantum kernels are used to estimate primitive entanglement purification and swapping behavior, while SeQUeNCe provides an event-layer model for stochastic link generation, waiting-time-dependent memory decay, purification failure, and end-to-end swapping. Under stationary conditions, we compare no purification, local threshold purification, mean-field predictive purification, fixed purification, and a resource-penalized risk-aware predictive policy. In an 8-node chain, the resource-penalized risk-aware controller increases above-target delivery probability relative to fixed purification while reducing latency and purification overhead. We then couple the quantum-network controller to anomaly scores derived from the CSE-CIC-IDS2018 benign-to-SSDP intrusion-detection trace. During the attack period, the attack-unaware controller maintains high raw delivery, but its above-target entanglement delivery falls to 0.098+/-0.007; the IDS-aware resource-adaptive controller switches to more purification-heavy masks and increases above-target delivery to 0.344+/-0.011, closely matching the oracle-aware value of approximately 0.335. These results demonstrate that cyber-state awareness can improve useful quantum-network outcomes by trading raw throughput for fidelity-qualified entanglement delivery.
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