智慧城市轨道交通云原生探讨
陈青云
Discussion on Smart Urban Rail Transit Cloud native
CHEN Qingyun
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作者信息:绍兴市轨道交通集团有限公司， 312099， 绍兴
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Affiliation:Shaoxing Rail Transit Group Co., Ltd., 312099, Shaoxing, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2023.06.003
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中图分类号/CLCN:TN929.5∶U231.7
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栏目/Col:百家论坛
摘要:
虚拟化技术以较高的可用性、灵活性及扩展性等优势解决了城市轨道交通（以下简称“城轨”）信息系统传统技术架构下的部分问题，然而并未解决传统架构存在的架构臃肿、信息孤岛、资源利用率低及运维成本高等一系列问题，同时传统的虚拟化技术仅能提供城轨运行基本的资源，未能充分释放云计算强大的服务能力。随着云计算技术的不断推陈出新，以容器、微服务等构建敏捷架构的云原生技术已得到广泛应用。通过分析城轨信息系统的特点，云计算技术在城轨信息系统中的应用历程，以及云原生技术架构中的容器、微服务的技术优势等，指出容器云技术具有比传统虚拟化技术更高的服务可用性和资源弹性伸缩等优点，同时支持大数据的存储和分析，与微服务技术的集合可以实现传统虚拟化技术应用的弹性解耦、资源的高效利用，为构建“安全、高效、便捷、经济”的智慧城轨提供强力后台保障。
Abstracts:
Some problems in urban rail transit (hereinafter referred to as ′urban rail′) information system conventional technical architecture are solved by virtualization technology with its advantages such as high availability, flexibility and scalability. However, issues such as architecture bloating, information silos, low resource utilization rate and high operation and maintenance costs are not addressed. Additionally, the conventional virtualization technology can only provide basic resource for urban rail operation which doesn′t fully utilize the powerful service capabilities of cloud computing. With the continuous development of cloud computing technology, cloud native technologies such as containers and microservices are widely used to build agile architectures. By analyzing the characteristics of urban rail information system, the application history of cloud computing technology in urban rail information system, and the technical advantages of containers and microservices in cloud native architectures, it is pointed out that containers cloud technology has higher service availability and resource elasticity than conventional virtualization technology while supporting the storage and analysis of big data, realizing elastic decoupling and efficient resource utilization for conventional virtualization technology application in combination with microservices technology. A strong backend support is provided for building a ′safe, efficient, convenient and economical′ smart urban rail transit.
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