Quantum Key Distribution Network Survivability via Edge Analytics
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Quantum key distribution networks face disruptions in communication link failures, leading to service interruptions and reduced capacity, which negatively impact network security and user experience.
Innovation Solution
A closed-loop system comprising a quantum edge computing device, global analytics service, and software-defined networking controller that detects communication link failures, analyzes data, generates recommendations, and implements commands to reroute traffic or allocate new resources, ensuring network resilience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If quantum key distribution networks use traditional communication links, then network infrastructure is simple, but communication link failures cause service interruptions and reduced capacity
Solution Approach 1:
The patent introduces a quantum edge computing device as an intermediary component between quantum key distribution nodes and the core network. This device hosts monitoring and analysis modules that detect communication link failures and generate mitigation commands, acting as a mediator that enhances network reliability without requiring complete system redesign. The intermediary handles failure detection and coordination, reducing the complexity burden on individual nodes while improving overall survivability.
Solution Approach 2:
The patent segments the network into distinct functional layers: quantum key distribution nodes, quantum edge computing devices, and a core network with global analytics service. This segmentation allows failure mitigation to be handled at the edge level through local monitoring and analysis modules, while the core network provides global coordination. By dividing responsibilities across segments, the system achieves improved reliability without proportionally increasing overall complexity.
2Reliability
If the network implements failure detection and mitigation systems, then network security survivability improves, but system complexity and response coordination requirements increase
Solution Approach 1:
The patent implements dynamic failure mitigation by enabling the quantum edge computing device to adapt its response based on real-time network conditions. The monitoring module continuously detects communication link status, and the orchestration module dynamically generates mitigation commands tailored to the specific failure scenario. This dynamic approach allows the system to handle various failure modes effectively without requiring overly complex predetermined protocols for every possible scenario.
Solution Approach 2:
The patent establishes a feedback loop where the quantum edge computing device monitors communication link failures, analyzes their impact, and generates mitigation commands that are executed by quantum key distribution nodes. The system continuously receives feedback on the effectiveness of mitigation actions and adjusts its response accordingly. This feedback mechanism enables reliable failure mitigation while keeping system complexity manageable through iterative improvement rather than exhaustive pre-programming.
3Productivity
If quantum key distribution resources are rerouted to mitigate failures, then network capacity is maintained, but traffic routing complexity increases
Solution Approach 1:
The patent implements preliminary action by having the quantum edge computing device pre-establish alternative routing paths and prepare mitigation strategies before failures occur. The monitoring module continuously assesses network topology and identifies potential alternative routes, so when a communication link failure occurs, the system can quickly activate pre-planned rerouting actions. This preliminary preparation maintains data flow capacity without requiring complex real-time routing calculations during actual failures.
Solution Approach 2:
The patent enables self-service through the orchestration module at the quantum edge computing device, which autonomously generates and executes mitigation commands without requiring manual intervention or complex external coordination. The system automatically detects failures, analyzes their impact on data flow, and implements rerouting decisions locally. This self-service capability maintains network productivity while reducing the complexity of external coordination and manual traffic management.
Data Source
AI summary
Quantum key distribution network security survivability can be provided by receiving, at a software defined networking controller operating in a control layer of a network, a recommendation from a global analytics service operating in an application layer of the network, the recommendation for replacing a failed communication link in a quantum key distribution layer of the network, the failed communication link being detected by a quantum edge computing device operating in the quantum key distribution layer. The software defined networking controller can generate a command to cause a quantum key distribution resource to perform an action to mitigate impact from the failed communication link. The command can be sent to the quantum key distribution resource and the quantum key distribution resource can perform the action to mitigate the impact from the failed communication link.