Intro
Acknowledgments
Contents
1 Fundamentals of Quantum Key Distribution
1.1 Information-Theoretic Secrecy
1.2 QKD Protocols
1.2.1 BB84 Protocol
1.2.1.1 Sifting: Extraction of a Raw Key
1.2.1.2 Error Rate Estimation
1.2.1.3 Error Key Reconciliation
1.2.1.4 Privacy Amplification
1.2.1.5 Authentication
1.2.2 B92 Protocol
1.2.3 CV-QKD
1.3 Key Length
1.4 Summary
References
2 Quality of Service Requirements
2.1 Quality of Service
2.2 Quality of Service Constraints
2.3 Quality of Service Components
2.4 QKD Networking

2.4.1 QKD Networks
2.4.1.1 Key Relay
2.4.2 QKD Virtual Private Networking
2.4.3 IPsec
2.4.3.1 Authentication Header
2.4.3.2 Encapsulating Security Payload
2.4.3.3 IP Payload Compression Protocol (IPComp)
2.4.3.4 Internet Key Exchange (IKE) Protocols
2.4.4 IPsec and QKD
2.4.5 Passive and Active Eavesdropping
2.4.6 QoS Constraints in QKD Network
2.5 Similarities Between QKD and Ad Hoc Networking
2.6 Summary
References
3 Quality of Service Architectures of Quantum Key Distribution Networks
3.1 Integrated Services
3.1.1 RSVP Protocol

3.1.2 ETSI 004: QKD Application Interface
3.2 Differentiated Services
3.2.1 DiffServ Components
3.2.2 The Per Hop Behavior (PHB) Classes
3.2.3 Per-Domain Behavior (PDB) Metrics
3.2.4 ETSI 014: Protocol and Data Format of REST-Based Key Delivery API
3.3 MultiProtocol Label Switching
3.3.1 MPLS Operation and Architecture Basics
3.3.1.1 MPLS Header
3.3.1.2 MPLS Control and Forwarding Planes
3.3.2 MPLS and QKD
3.4 Flexible Quality of Service Model
3.5 Summary
References
4 Quality of Service Media Access Control of Quantum Key Distribution Networks

4.1 Post-Processing Applications
4.1.1 Improving Error Reconciliation
4.1.1.1 Adaptive Cascade
4.1.1.2 Using Error Correcting Codes
4.1.2 Out-of-Band Authentication and Key Validation
4.1.2.1 Watermarking by Quantum Coin Flipping
4.1.2.2 Watermarking Using Pseudorandom Sequences
4.2 Overlay QKD Networking
4.3 Impact of QKD Key Management
4.4 Summary
References
5 Quality of Service Signaling Protocols in Quantum Key Distribution Networks
5.1 In-Band signaling and QKD
5.1.1 QSIP: A Quantum Key Distribution Signaling Protocol

5.2 Out-of-Band Signaling and QKD
5.2.1 Q3P: Quantum Point-to-Point Protocol
5.2.1.1 Q3P Key Store
5.2.1.2 Q3P Network Stack
5.2.2 RSVP
5.3 Summary
References
6 Quality of Service Routing in Quantum Key Distribution Networks
6.1 Routing in General
6.1.1 Routing Algorithms
6.1.2 Routing Architecture
6.2 Routing Requirements in QKD Networks
6.3 Addressing in QKD Networks
6.4 Routing Protocols
6.4.1 Distance Vector Routing Protocols
6.4.1.1 Distance Vector-Based QKD Routing
6.4.2 Link State Routing Protocols
6.4.3 QKD Routing Based on Link-States