一种时间敏感网络GCL自适应调整算法

doi:10.13190/j.jbupt.2021-117

北京邮电大学学报 ›› 2022, Vol. 45 ›› Issue (1): 26-32.doi: 10.13190/j.jbupt.2021-117

一种时间敏感网络GCL自适应调整算法

周小明¹, 仇梓鑫², 朱瑾瑜³, 张恒升³, 赵成林²

1. 国网辽宁省电力有限公司科技互联网部, 沈阳 110055;
2. 北京邮电大学信息与通信工程学院, 北京 100876;
3. 中国信息通信研究院技术与标准研究所, 北京 100083

收稿日期:2021-06-08 出版日期:2022-02-28 发布日期:2021-12-16
通讯作者: 仇梓鑫(1997—),男,硕士生,邮箱:qzx6660376@bupt.edu.cn E-mail:qzx6660376@bupt.edu.cn
作者简介:周小明(1970—),男,高级工程师
基金资助:
2020年工业互联网创新发展工程-工业企业网络安全综合防护平台项目

GCL Adaptive Adjustment Algorithm in Time Sensitive Networks

ZHOU Xiaoming¹, QIU Zixin², ZHU Jinyu³, ZHANG Hengsheng³, ZHAO Chenglin²

1. Science and Internet Department, State Grid Liaoning Electric Power Supply Company Limited, Shenyang 110055, China;
2. School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China;
3. Technology and Standards Research Institute, China Academy of Information and Communications Technology, Beijing 100083, China

Received:2021-06-08 Online:2022-02-28 Published:2021-12-16

摘要/Abstract

摘要： 时间敏感网络（TSN）使以太网技术能够在具有严格时延限制的任务关键型系统中使用。目前在网络上进行部署的TSN大多是静态的，TSN设备无法对拓扑更改或流量的动态变化做出反应。针对上述问题，通过建立门控列表（GCL）模型，推导了理论上时间敏感流的端到端时延，提出了一种GCL持续时长自适应调整算法。根据TSN工作组提出的IEEE 802.1Qcc标准，为GCL的动态配置仿真实现了集中式网络控制器模块。集中式网络控制器管理网络上运行的应用并检测流量变化，之后根据提出的算法动态配置TSN设备，以保障时间敏感业务在流量发生变化时稳定可靠的传输。仿真结果表明，相比静态的TSN配置，使用GCL自适应调整算法后时间敏感流的平均时延满足率提升1倍以上。

关键词: 时间敏感网络, 门控列表, 集中式网络控制器

Abstract: Time sensitive networking (TSN) enables applying ethernet technology in mission-critical systems with strict delay constraints.Currently, most TSN deployed on the network is static, and TSN devices cannot respond to topology changes or dynamic changes in traffic. To solve the above problems, the theoretical end-to-end delay of time-sensitive traffic is derived by establishing a gate control list(GCL) model, and a GCL duration adaptive adjustment algorithm is further proposed. According to the IEEE 802.1Qcc standard proposed by the TSN working group, the centralized network controller module is simulated for the dynamic configuration of GCL.The centralized network controller manages the applications running on the network and detects traffic changes, and then dynamically configures the TSN equipment according to the proposed algorithm to ensure the stable and reliable transmission of time-sensitive services when the traffic changes. The simulation results show that, the GCL adaptive adjustment algorithm has more than doubled average delay satisfaction rate of time-sensitive flows compared with the static TSN configuration.

Key words: time-sensitive network, gate control list, central network controller

中图分类号:

TP393.0

周小明, 仇梓鑫, 朱瑾瑜, 张恒升, 赵成林. 一种时间敏感网络GCL自适应调整算法[J]. 北京邮电大学学报, 2022, 45(1): 26-32.

ZHOU Xiaoming, QIU Zixin, ZHU Jinyu, ZHANG Hengsheng, ZHAO Chenglin. GCL Adaptive Adjustment Algorithm in Time Sensitive Networks[J]. Journal of Beijing University of Posts and Telecommunications, 2022, 45(1): 26-32.

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一种时间敏感网络GCL自适应调整算法

GCL Adaptive Adjustment Algorithm in Time Sensitive Networks

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