将量子特性融入经典网络协议，实现安全通信资源优化
Towards a Quantum-classical Augmented Network
- 改造HTTP协议，支持同时传输量子与经典数据包
- 通过机器学习模型分类通信隐私等级，减少量子资源消耗
- 为未来量子-经典混合网络提供可落地的架构基础
过去十年已建成多个小型量子密钥分发网络。但大规模量子网络的部署依赖于量子中继、量子信道、量子存储及网络协议的发展。为提升现有网络安全性并利用当前可行的量子技术，下一步应将量子设备、特性与现象融入经典网络。为此，我们提出修改HTTP协议结构，使其能同时承载量子与经典数据。该工作为根据隐私需求将单个网络包拆分为经典与量子部分奠定基础。我们采用逻辑回归、CNN、LSTM和BiLSTM模型对出站通信进行隐私标签分类，从而降低量子资源使用率，实现更高效的量子安全网络设计。实验结果验证了所提方法的有效性。
原文摘要 · Abstract (English)
In the past decade, several small-scale quantum key distribution networks have been established. However, the deployment of large-scale quantum networks depends on the development of quantum repeaters, quantum channels, quantum memories, and quantum network protocols. To improve the security of existing networks and adopt currently feasible quantum technologies, the next step is to augment classical networks with quantum devices, properties, and phenomena. To achieve this, we propose a change in the structure of the HTTP protocol such that it can carry both quantum and classical payload. This work lays the foundation for dividing one single network packet into classical and quantum payloads depending on the privacy needs. We implement logistic regression, CNN, LSTM, and BiLSTM models to classify the privacy label for outgoing communications. This enables reduced utilization of quantum resources allowing for a more efficient secure quantum network design. Experimental results using the proposed methods are presented.
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