基于软件定义的时间敏感网络跨域调度机制

汪硕; 黄玉栋; 黄韬; 霍如; 刘韵洁

doi:10.11959/j.issn.1000-436x.2021182

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基于软件定义的时间敏感网络跨域调度机制

专题：确定性网络 | 更新时间：2024-06-05

- 基于软件定义的时间敏感网络跨域调度机制
- Software-defined cross-domain scheduling mechanism for time-sensitive networking
- 通信学报 2021年42卷第10期页码：1-9
- 作者机构：
  
  1. 北京邮电大学网络与交换国家重点实验室，北京 100876
  2. 网络通信与安全紫金山实验室，江苏南京 211111
  3. 北京工业大学信息学部，北京 100124
- 作者简介：
  
  [ "汪硕（1991– ），男，河南灵宝人，博士，北京邮电大学讲师，主要研究方向为确定性网络、数据中心网络、软件定义网络、网络流量调度等" ]
  [ "黄玉栋（1998– ），男，重庆人，北京邮电大学博士生，主要研究方向为未来网络体系架构、确定性网络、软件定义网络等" ]
  [ "黄韬（1980– ），男，重庆人，博士，北京邮电大学教授，主要研究方向为路由与交换、软件定义网络、内容分发网络等" ]
  [ "霍如（1988– ），女，黑龙江哈尔滨人，博士，北京工业大学讲师，主要研究方向为计算机网络、信息中心网络、网络缓存策略与算法、工业互联网、标识解析技术等" ]
  [ "刘韵洁（1943– ），男，山东烟台人，中国工程院院士，主要研究方向为未来网络体系架构、网络融合与演进等" ]
- 基金信息：
  
  广东省重点领域研发计划基金资助项目;The Research and Development Program in Key Areas of Guangdong Province(2018B010113001);国家重点研发计划基金资助项目;The National Key Research and Development Program of China(2018YFB1800500);国家自然科学基金资助项目;The National Natural Science Foundation of China(61902033);北京市自然科学基金资助项目;Beijing Natural Science Foundation(4204105);中央高校基本科研业务费专项资金资助项目;The Fundamental Research Funds of the Central Universi-ties(2021RC02)
- DOI：10.11959/j.issn.1000-436x.2021182
  中图分类号： TP393
- 网络首发：2021-10，
  
  纸质出版：2021-10-25
- 稿件说明：
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汪硕, 黄玉栋, 黄韬, 等. 基于软件定义的时间敏感网络跨域调度机制[J]. 通信学报, 2021,42(10):1-9.

Shuo WANG, Yudong HUANG, Tao HUANG, et al. Software-defined cross-domain scheduling mechanism for time-sensitive networking[J]. Journal on Communications, 2021, 42(10): 1-9.
汪硕, 黄玉栋, 黄韬, 等. 基于软件定义的时间敏感网络跨域调度机制[J]. 通信学报, 2021,42(10):1-9. DOI： 10.11959/j.issn.1000-436x.2021182.

Shuo WANG, Yudong HUANG, Tao HUANG, et al. Software-defined cross-domain scheduling mechanism for time-sensitive networking[J]. Journal on Communications, 2021, 42(10): 1-9. DOI： 10.11959/j.issn.1000-436x.2021182.

摘要

针对时间敏感网络的跨域调度问题，提出了基于软件定义的时间敏感网络跨域调度机制。该机制基于3种广域时钟同步技术来保障纳秒级域间时间同步。提出了时隙无冲突跨域调度模型，解决了域间链路时延带来的时隙对齐问题，利用时隙无冲突约束严格限制跨域流量在边缘节点的到达时间，最终在线计算得到融合各域的全局调度门控列表。实验结果表明，在典型的跨域远程工控场景下，所提模型能调度上百条时间敏感流量，并具有可行的秒级逐流执行时间。

Abstract

For the cross domain scheduling problem of time-sensitive network

a software-defined cross-domain scheduling mechanism for time-sensitive networking was proposed

which was based on three kinds of wide area clock synchronization technology to ensure nanosecond inter-domain time synchronization.Then

a time slot conflict-free cross domain scheduling model was proposed to solve the problem of time slot alignment caused by inter-domain link delay.The time slot conflict-free constraints were used to strictly limit the arrival time of cross-domain traffic at the edge node.Finally

the gate control list of fusion domains for global scheduling was calculated online.The simulation results show that the model can schedule hundreds of time-sensitive traffic in a typical cross-domain remote control scenario

and has a feasible algorithm execution time in seconds.

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references

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