Sentinel-Based Failover for QKD-Augmented IPsec Tunnels

arXiv:2609.01121 · cs.NI, cs.CR · Submitted 2026-09-01 · Read on arXiv

cs.NI, cs.CR

Submitted: 2026-09-01

Updated: 2026-09-01

Comments: Work accepted at the 1st International Workshop on Networked Quantum Systems and Applications (NetQSA 2026) within the 34th IEEE International Conference on Network Protocols, Tempe, Arizona, USA, October 05-08, 2026

Code: https://github.com/jhhdez/qkdPlugin

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Graceful Degradation — 6× in this paper · explained in 2 episodes
• Quantum Key Distribution — 3× in this paper
• Quantum Physics — 1× in this paper · explained in 10 episodes

Sources

• Overview of Quantum Key Distribution Technique within IPsec Architecture
• 100 Gbps Quantum-safe IPsec VPN Tunnels over 46 km Deployed Fiber
• Hybrid Quantum Security for IPsec
• Quantum-safe IPsec in the banking industry

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