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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
Published on: September 8, 2023
609
A Resource-Adaptive Routing Scheme with Wavelength Conflicts in Quantum Key Distribution Optical Networks
Tao Zhao1, Xiaodong Fan1, Bowen Dong1
1Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, South China Normal University, Guangzhou 510006, China.
Entropy (Basel, Switzerland)
|May 27, 2023
Summary
This study introduces a resource-adaptive routing scheme (RAWC) to address wavelength conflicts in quantum key distribution optical networks (QKDON). The RAWC scheme enhances network resource utilization and improves the service request success rate.
Area of Science:
- Quantum communication
- Network engineering
- Information security
Background:
- Quantum Key Distribution (QKD) offers robust data security but faces challenges in practical deployment within existing optical fiber networks.
- Quantum Key Distribution Optical Networks (QKDON) suffer from low quantum key generation rates and limited wavelength channels, leading to potential wavelength conflicts.
Purpose of the Study:
- To develop an efficient routing scheme for QKDON that mitigates wavelength conflicts.
- To enhance load balancing and optimize network resource utilization in QKDON.
Main Methods:
- Proposed a resource-adaptive routing scheme (RAWC) specifically designed for QKDON.
- RAWC dynamically adjusts link weights based on link load and resource competition.
- Introduced a metric for wavelength conflict degree to guide routing decisions.
Main Results:
- RAWC effectively resolves wavelength conflicts in QKDON.
- The scheme demonstrates improved load balancing and efficient network resource utilization.
- Simulation results show a service request success rate improvement of up to 30% compared to benchmark algorithms.
Conclusions:
- The RAWC algorithm presents a viable solution for overcoming wavelength conflicts in QKDON.
- This approach significantly enhances the practical implementation and performance of QKD over existing optical networks.
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