结合SDN控制器的TSN周期性带宽预留值计算方法

苏建忠; 张华宇; 朱海龙

doi:10.11959/j.issn.1000-436x.2021204

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结合SDN控制器的TSN周期性带宽预留值计算方法

专题：确定性网络 | 更新时间：2024-06-05

- 结合SDN控制器的TSN周期性带宽预留值计算方法
- Computing method for periodic stream reservation in TSN combined with SDN controller
- 通信学报 2021年42卷第10期页码：23-31
- 作者机构：
  
  1. 网络通信与安全紫金山实验室，江苏南京 211111
  2. 北京邮电大学信息与通信工程学院，北京 100876
- 作者简介：
  
  [ "苏建忠（1989- ），男，江苏淮安人，网络通信与安全紫金山实验室研究员，主要研究方向为工业互联网、时间敏感网络、网络流量调度" ]
  [ "张华宇（1986- ），男，湖北十堰人，博士，网络通信与安全紫金山实验室研究员，主要研究方向为工业互联网、未来网络、智能计算等" ]
  [ "朱海龙（1987- ），男，山东菏泽人，博士，北京邮电大学讲师，主要研究方向为工业互联网、确定性网络、工业以太网、软件定义网络、时间敏感网络和车载网络等" ]
- 基金信息：
  
  国家重点研发计划基金资助项目;The National Key Research and Development Program of China(2020YFB1805300)
- DOI：10.11959/j.issn.1000-436x.2021204
  中图分类号： TP393
- 网络出版日期：2021-10，
  
  纸质出版日期：2021-10-25
- 稿件说明：
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苏建忠, 张华宇, 朱海龙. 结合SDN控制器的TSN周期性带宽预留值计算方法[J]. 通信学报, 2021,42(10):23-31.

Jianzhong SU, Huayu ZHANG, Hailong ZHU. Computing method for periodic stream reservation in TSN combined with SDN controller[J]. Journal on communications, 2021, 42(10): 23-31.
苏建忠, 张华宇, 朱海龙. 结合SDN控制器的TSN周期性带宽预留值计算方法[J]. 通信学报, 2021,42(10):23-31. DOI： 10.11959/j.issn.1000-436x.2021204.

Jianzhong SU, Huayu ZHANG, Hailong ZHU. Computing method for periodic stream reservation in TSN combined with SDN controller[J]. Journal on communications, 2021, 42(10): 23-31. DOI： 10.11959/j.issn.1000-436x.2021204.

摘要

近年来，随着 TSN 技术的发展，其低时延、低抖动、最大时延可预测的优势可以很好地应用于自动驾驶技术以及工业互联网。针对TSN协议中带宽预留技术预留至多75%（经验值）带宽的问题，同时结合SDN的数据面和控制面的分离技术，提出一种结合TSN-SDN控制器，在控制器层面规划整个拓扑的预留计划和路径的预留方案。该方案同时提供2种计算具体预留带宽值的方法，计算方法在每一跳按照时隙预留相应的带宽值。仿真环境实验结果表明，在达到时延要求的基础之上，很好地控制抖动为 0，同时还可以分时隙利用带宽，为多条流同时保障带宽利用率。

Abstract

In recent years

with the development of TSN

its low latency

low jitter and predictable maximum delay can be widely used in automatic driving technology and industrial Internet.To solve the 75% (empirical value) bandwidth problem of stream reservation technology in TSN protocols

and combine with the separation of data plane and control plane in SDN

a stream reservation solution was put forward

which was combined with TSN-SDN controller and scheduling the transmission path and reservation of the entire topology in the control plane.And two reservation computing methods was put forward

which would give out a bandwidth with time slot.The simulation experimental results show that it can control the jitter to 0 based on require latency

and also use the bandwidth based on time slot to guarantee the utilization of bandwidth.

关键词

Keywords

references

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