基于OXC构建灵活可靠的全光城域网研究  

Research on Constructing Flexible and Reliable all Optical Metropolitan Area Network based on OXC

作　　者：李文辉[1] 夏世峰 魏涛 王梅春[1] LI Wenhui;XIA Shifeng;WEI Tao;WANG Meichun(Huaxin Consulting CO.,Ltd.,Hangzhou 310014,China;China Mobile Group Hubei Company Limited,Wuhan 430000,China)

机构地区：[1]华信咨询设计研究院有限公司,杭州310014 [2]中国移动通信集团湖北有限公司,武汉430000

出　　处：《光通信研究》2023年第6期40-44,50,共6页Study on Optical Communications

摘　　要：【目的】光交叉连接(OXC)技术解决了光传送网(OTN)系统电交叉能力不足的部分问题以及固定光分插复用器(FOADM)/可重构光分插复用器(ROADM)板卡间复杂的手工连纤和调度不灵活问题。文章研究了如何在OTN城域网(MAN)中引入OXC技术提升网络的灵活性,并解决了OXC过于集中带来的一些网络安全问题。【方法】文章介绍了OXC技术的优势,综述了现网OTN系统的架构以及承载业务的安全配置模式。通过建立各种OXC应用模型,比较分析了各类模型的灵活性和安全性等。【结果】在现网中进行测试,并总结各类模型评价指标,找出了最优的应用方案。【结论】文章创新地提出了一种基于OXC的全光MAN建设模型以促进OXC技术的应用发展,加强算力间的调度能力,形成算网一体化新型基础设施,为用户提供了低时延、高可靠、端到端的算力连接。【Objective】Optical Cross Connect(OXC)technology has solved some problems of insufficient electric crossover capacity of Optical Transport Network(OTN)system,as well as complex manual fiber connection and inflexible scheduling between Fixed Optical Add/Drop Multiplexer(FOADM)/Reconfigurable Optical Add/Drop Multiplexer(ROADM)boards.This paper studies how to introduce OXC technology into OTN Metropolitan Area Network(MAN)to improve the flexibility of the network and solve some network security problems caused by the over concentration of OXC.【Methods】This paper introduces the advantages of OXC technology,and summarizes the architecture of the OTN system in the existing network,as well as the security configuration mode of the bearer service.By establishing various OXC application models,the paper compares and analyzes the flexibility and security of various models.【Results】After testing in the existing network,the paper summarizes various model evaluation indicators,and finds the optimal application scheme.【Conclusion】In this paper,an all-optical MAN construction model based on OXC is innovatively proposed to promote the application and development of OXC technology,strengthen the scheduling capability between computing forces,and form a new infrastructure of computing network integration.It finally provides users with low latency,highly reliable,end-to-end computing connections.

关 键 词：全光城域网 光传送网 光交叉连接 可重构光分插复用器 固定光分插复用器 

分 类 号：TN915[电子电信—通信与信息系统]