用于可信任中继量子密钥分配网络的差异化服务提供机制

孙咏梅; 程先柱; 纪越峰

光子学报, 2014, 43 (7): 0706009, 网络出版: 2014-08-18

用于可信任中继量子密钥分配网络的差异化服务提供机制

A Differentialized Service Providing Scheme on Trusted Relay Quantum Key Distribution Networks

论文大纲

孙咏梅程先柱纪越峰

作者单位

北京邮电大学信息与通信工程学院信息光子学与光通信国家重点实验室, 北京 100876

摘要

为了向用户提供差异化的密钥服务，研究了配备密钥池的可信任量子密钥分配网络.首先，理论分析了数据包时延和密钥池的关系，给出了具体关系式，指出带有密钥池缓存功能的量子密钥分配网络的平均数据包时延与密钥产生速率、密钥池的初始密钥长度、以及数据包的平均长度、到达时间和到达率密切相关.对比理论分析和软件仿真结果，验证了时延分析的正确性.其次，将密钥提供服务分为三类：保证提供型、优先提供型和尽力提供型，并提出了相应的技术实现方案，即提前预约、逐跳插队和逐跳排队；最后，仿真结果表明差异化密钥服务提供机制是有效的.

Abstract

In order to provide different quantum key service, trusted relay quantum key distribution networks with quantum key pool was studied. Firstly, relationship between packet delay and quantum key pool was analyzed. The formula was given, which showed that the mean packet delay is related to the quantum key generation rate, the initial length of quantum key, the mean length, arrival time and arrival rate of packets. The theory and simulation results verified the accuracy of the delay analysis. Next, the key providing service was classified into three types: guaranteed, prioritized and besteffort key service. Correspondingly, prereserving, hopbyhop jumpingqueue and hopbyhop queuing approaches were presented to realize the above differentialized key services. Finally, simulation results verified the efficiency of the differentialized service providing scheme.

参考文献

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孙咏梅, 程先柱, 纪越峰. 用于可信任中继量子密钥分配网络的差异化服务提供机制[J]. 光子学报, 2014, 43(7): 0706009. SUN Yongmei, CHENG Xianzhu, JI Yuefeng. A Differentialized Service Providing Scheme on Trusted Relay Quantum Key Distribution Networks[J]. ACTA PHOTONICA SINICA, 2014, 43(7): 0706009.

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