基于SDN的量子密码通信网络设计与研究  

Design and Research of Quantum Cryptographic Communication Network based on SDN

作　　者：赵鑫 李恺 ZHAO Xin;LI Kai(Chengdu Guoxin’an Information Industry Base Co.,Ltd.,Chengdu Sichuan 610000,China)

机构地区：[1]成都国信安信息产业基地有限公司,四川成都610000

出　　处：《通信技术》2020年第4期898-902,共5页Communications Technology

基　　金：国家自然科学基金项目(No.U1801266)。

摘　　要：软件定义网络(SDN)采用OpenFlow技术分离网络设备的数据平面和控制平面,实现灵活控制网络资源的目的。基于此,设计了量子密码通信网络模型,实现灵活控制密码通信网络整体量子密匙资源,确保了信息的安全传输。此外,提出了综合到端可用密匙和跳数的路由算法,提高了QKD生成密匙的有效利用率。由测试结果可知,通过基于SDN的量子密码通信网络及路由算法,可提高量子密匙资源利用率,提高网络性能。The SDN(Software Defined Network)uses OpenFlow technology to separate the data plane and control plane of network equipment,so as to realize the purpose of flexible control on network resources.Based on this,a quantum cryptographic communication network model is designed to achieve flexible control on the overall quantum key resources of the cryptographic communication network,ensuring the secure transmission of information.In addition,a routing algorithm that integrates available keys and hops to the end is proposed to improve the effective utilization rate of QKD generated keys.Test results indicate that the quantum cryptographic communication network and routing algorithm based on SDN can improve the utilization rate of quantum key resources and enhance the performance of communication network.

关 键 词：通信网络 量子密码 SDN OpenFlow 

分 类 号：TN915[电子电信—通信与信息系统]