Quantum Key Distribution Network (QKDN)

Why Quantum Key Distribution Network (QKDN)?

Revolutionizing quantum-secure communication with centralized control, intelligent orchestration, and scalable infrastructure for governments and enterprises.

QKDN is India’s first software-defined quantum network orchestration platform designed for governments and enterprises. It offers centralized control, unmatched operational resilience, and national-scale quantum-safe communication to secure critical digital infrastructure.

Unlike traditional point-to-point QKD setups that demand separate hardware for every connection, QKDN orchestrates hundreds of nodes and controllers from one command center, enabling seamless management across physical, digital, hybrid, and free-space QKD systems.

Its platform architecture delivers up to 50% cost savings compared to linear deployments. Centralized orchestration removes complexity, enhances scalability, and simplifies expansion as organizations grow their quantum-secure networks across multiple layers and geographies.

Tested across 500 km of Indian Army operations with 99.5% uptime, QKDN integrates AI-driven fault recovery, intelligent automation, and ETSI-compliant standards to maintain a self-healing, sovereign, and future-ready quantum-secure network.

Key Value Propositions

Orchestrate Hundreds of Quantum Nodes from One Command Center

Support Every QKD Technology from One Platform

Automatically Heal Network Failures Before Anyone Even Notices

Reduce Infrastructure Costs by 50 Percent Through Intelligent Network Topology

Deploy with Defence-Grade Validation and Indian Sovereignty

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Secure Your Encryption

For Industries That Cannot Afford Quantum Vulnerability

For industries vulnerable to quantum threats: Cloud-Native, Financial Services, Healthcare, Government, SaaS, Telecom, Energy sectors.

Competitive Landscape

Comparison Parameter

QNu Labs QKDN

Traditional Players

Network Scale

Hundreds of nodes, 100+ controllers

Limited node management, metro-scale focus

Standards Compliance

Full ETSI GS QKD 014, 015, 018 + IETF NETCONF/YANG

ETSI GS QKD 014, partial SDN integration

QKD Format Support

Physical + Digital + Hybrid + Free-Space

Primarily physical QKD only

Distance Coverage

500km deployed; 2,000km roadmap

~120-150km standard

Orchestration Intelligence

AI/ML-powered, cost-based routing, predictive analytics

Basic management dashboard, manual configuration

Fault Handling

Automated multi-level recovery, path re-routing, BITE/POST

Hot-swappable components, manual intervention required

Integration Flexibility

SKIP protocol, VPN-compatible, SDN/NFV frameworks

Hot-swappVendor-specific integration, limited compatibility able components, manual intervention required

Topology Support

Hub-and-spoke, ring, star, mesh with 3-tier hierarchy

Point-to-point, relay, ring, star

Deployment Validation

33 systems, 500km operational network

European/Asian metro deployments, limited scale

Cost Efficiency

50% infrastructure cost reduction vs. linear topology

High CAPEX for hardware-intensive deployments

Indian Sovereignty

Fully indigenous, IITM-incubated, TEC certified

Foreign technology, export-controlled, complex licensing

Geographic Coverage

India TEC 91000:2022, NQM-backed; global deployment

European/Asian markets

Sources:

NIST PQC: https://csrc.nist.gov/Projects/post-quantum-cryptography
Classical IKEv2: https://datatracker.ietf.org/doc/html/rfc7296

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Secure Your Encryption

Why Organisations, SMBs Need Quantum Today?

Urgent quantum readiness: Protect data from harvest-now-decrypt-later threats, meet NIST mandates, and leverage India and China’s quantum advancements for future security.

HNDL Threat Active Adversaries collecting encrypted data for future quantum decryption; Q-Day anticipated by 2035.

Cyberattack Cost Explosion Attacks doubled since COVID-19; costs projected to reach $10.5 trillion annually by 2025

NIST 2028 Mandate Full PQC adoption required; enterprises need 3-5 years for cryptographic infrastructure migration

China's Operational Lead 12,000km quantum backbone connecting 16 cities demonstrates quantum-safe national networks are strategic imperatives

India's 500km Milestone - National Quantum Mission focused quantum_ projects position India at the forefront with validated defence-grade operational reality.

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Why QKDN Leads

Software-defined quantum orchestration at national scale - proven across 500km Indian Army deployment.

Software-Defined Orchestration

Centralized automation cuts deployment time and operational costs by 60%.

Multi-Format QKD

Supports physical, digital, hybrid, and free-space QKD for vendor-agnostic, future-ready deployments.

Intelligent Resilience

AI-driven monitoring delivers 99.5% uptime, 30% less downtime, and autonomous threat response.

National-Scale Architecture

500km hybrid network, 33 systems, validated at defense-grade for real-world deployments.

Hybrid Security Stack

Integrated QKD, NIST PQC, and QRNG ensure crypto-agility, classical compatibility, and regulatory compliance.

Indigenous Sovereignty

Fully India-made, TEC-approved; no foreign or export dependencies.

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QKDN: Enterprise Quantum Network Features

Enhancing enterprise quantum networks with centralized orchestration, multi-tenant management, AI-driven monitoring, and PQC-secured high-availability infrastructure for mission-critical key distribution.

Network Management & Orchestration

Centralized SDN controller managing 100+ QKD network controllers

Multi-tenancy with isolated virtual quantum networks

QKD 018 and ETSI GS QKD 015 NETCONF/YANG Interface

Key Management & Distribution

ETSI GS QKD 014 REST API for application integration

SKIP protocol for VPN/IPsec compatibility

Nokia 1830 SMS PSS Tamper-proof storage with intrusion detection

Monitoring & Analytics

Real-time telemetry (QBER, SKR, temperature, link status)

AI/ML predictive maintenance forecasting failures 30% faster

Customizable dashboards and automated scheduled reporting

Security & Access Control

Multi-factor authentication (MFA) with biometric verification

PQC-secured management links with TLS 1.3 encryption

Physical and logical tamper detection triggering key deletion

Fault Tolerance & High Availability

Active-standby redundancy with <5 second failover

Automated path re-routing with sub-second activation

99.5% uptime SLA validated in operational deployment

Interoperability & Integration

Simultaneous physical, digital, free-space QKD management

Router/firewall integration (Cisco, Juniper, Palo Alto)

Cloud platform APIs (AWS, Azure, Google Cloud)

Scalability Specifications

Hundreds of QKD nodes per deployment

25+ applications per node; 1000+ key paths per network

500km validated; 2,000km roadmap with quantum repeaters

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How Does QKDN Work?

Unified Quantum Network Architecture: Layered design from SDN orchestrator and distributed QKD controllers to physical/digital quantum nodes with ETSI-compliant APIs.

Architecture Layers

Layer 1

Network Manager / SDN Orchestrator Top-level command providing unified network view, policy configuration, cross-controller coordination via ETSI GS QKD 018 (NETCONF/YANG)

Layer 2

QKD Network Controllers (QKDNC) Distributed controllers managing node domains, handling registration, key sessions, routing, local fault recovery via ETSI GS QKD 015

Layer 3

QKD Nodes Physical/digital/hybrid QKD systems generating quantum-secured keys, reporting telemetry, delivering keys via ETSI GS QKD 014 REST APIs

10-Step Operational Workflow

Step 1:

Network Initialization

Administrator accesses system via MFA, performs inventory discovery, configures topology, and generates network maps.

Step 2:

Node Registration

Nodes initiate TLS 1.3 connection, authenticate certificates, receive configuration, and start key generation.

Step 3:

Quantum Key Generation

Physical QKD uses photon transmission; QKDN combines QRNG and PQC; Hybrid approach integrates both with continuous QBER monitoring.

Step 4:

Key Distribution & Storage

Keys are securely stored in the controller's KMM, indexed with metadata, and automated rotations are scheduled.

Step 5:

Application Key Request

Applications request keys via REST API, with authentication validated and authorization checked.

Step 6:

Intelligent Path Selection

OSPF cost metrics are evaluated, optimal multi-hop relays selected, and paths reserved.

Step 7:

Continuous Monitoring

Real-time telemetry feeds AI/ML pattern analysis, dashboard health displays, and triggers alerts.

Step 8:

Fault Detection & Recovery

Link failures trigger BITE self-tests, activate alternate paths, and failover occurs within 5 seconds.

Step 9:

Security Incident Response

Tamper sensors detect intrusion, immediately delete keys, isolate the node, and alert the SOC.

Step 10:

Reporting & Compliance

Scheduled reports are auto-generated, compliance logs maintained, and historical trends visualized.

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Frequently asked questions

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Quantum Key Distribution Network (QKDN)

Why Quantum Key Distribution Network (QKDN)?

Key Value Propositions

For Industries That Cannot Afford Quantum Vulnerability

Competitive Landscape

Sources:

Why Organisations, SMBs Need Quantum Today?

Why QKDN Leads

QKDN: Enterprise Quantum Network Features

How Does QKDN Work?

Architecture Layers

10-Step Operational Workflow

National-Scale Quantum Security Today

Frequently asked questions

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