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确定性网络技术研究
电子技术应用
高方方1,陈焱1,刘美慧2,沈彬3,徐启宸3
1.深圳中广核工程设计有限公司,广东 深圳 518100;2.北京邮电大学,北京 100876;3.中国信息通信研究院,北京 100191
摘要:随着新兴应用的不断涌现,越来越多的业务需要低时延、低抖动地进行可靠传输,尤其在工业场景中,接入网络设备数量激增,网络朝着大规模、复杂化的方向发展,如何保障其中关键数据流的确定性交付成为研究的重点。确定性网络技术由于其低时延、低抖动、低丢包率、确定性带宽、高可靠传输等特性受到了广泛关注,在车载、能源及工业自动化等领域有着良好的应用前景。对当前的确定性网络关键技术进行了阐述,介绍了两种不同场景下的确定性网络融合部署解决方案,最后对确定性网络技术走向实际应用所面临的挑战进行了分析。
中图分类号:TN91 文献标志码:A DOI: 10.16157/j.issn.0258-7998.234299
中文引用格式:高方方,陈焱,刘美慧,等. 确定性网络技术研究[J]. 电子技术应用,2024,50(2):10-16.
英文引用格式:Gao Fangfang,Chen Yan,Liu Meihui,et al. Research on deterministic network technology and its development trends[J]. Application of Electronic Technique,2024,50(2):10-16.
Research on deterministic network technology and its development trends
Gao Fangfang1,Chen Yan1,Liu Meihui2,Shen Bin3,Xu Qichen3
1.China Nuclear Power Design Co., Ltd.(Shenzhen) , Shenzhen 518100, China; 2.Beijing University of Posts and Telecommunications, Beijing 100876, China; 3.China Academy of Information and Communications Technology, Beijing 100191, China
Abstract:With the continuous emergence of emerging applications, more and more businesses require reliable transmission with low latency and low jitter. Especially in industrial scenarios, the number of access network devices has surged, and the network is developing towards large-scale and complex directions. How to ensure the deterministic delivery of key data streams has become a research focus. Deterministic network technology has received widespread attention due to its characteristics such as low latency, low jitter, low packet loss rate, deterministic bandwidth, and highly reliable transmission, and has good application prospects in fields such as automotive, energy, and industrial automation. The key technologies of deterministic networks are elaborated, the deterministic network fusion deployment solutions in two different scenarios are introduced, and finally the challenges faced by deterministic network technologies in practical application are analyzed.
Key words :deterministic networks;TSN;5G deterministic network;converged deployment

引言

2018~2023年思科年度互联网报告显示,到2023年,连接到IP网络的设备数量将是全球人口的三倍以上[1]。激增的数据流量带来了大量的网络拥塞、分组时延和传输抖动,同时,一些新兴应用如自动驾驶、远程医疗等对网络有着超低时延、超低抖动和超高可靠性的确定性通信要求,而传统网络提供的“尽力而为”服务已经无法满足其毫秒到微秒级别的应用需求,迫切需要建立起能够提供“准时、准确”服务的确定性网络传输体系。


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作者信息:

高方方1,陈焱1,刘美慧2,沈彬3,徐启宸3

1.深圳中广核工程设计有限公司,广东 深圳 518100;2.北京邮电大学,北京 100876;3.中国信息通信研究院,北京 100191


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