电信科学 ›› 2023, Vol. 39 ›› Issue (11): 52-58.doi: 10.11959/j.issn.1000-0801.2023245

• 专题:确定性网络 • 上一篇    

Auto-learning TSN:时间敏感网络(TSN)的可用性优化

王童童, 张嘉怡, 陈李昊, 耿雪松   

  1. 华为技术有限公司,北京 100083
  • 修回日期:2023-11-09 出版日期:2023-11-01 发布日期:2023-11-01
  • 作者简介:王童童(1978- ),女,华为技术有限公司确定性网络专家,主要研究方向为有线网络性能分析、确定性网络技术以及TSN标准技术
    张嘉怡(1989- ),女,博士,华为技术有限公司高级工程师,主要研究方向为TSN、网络演算理论算法、确定性网络技术
    陈李昊(1992- ),男,华为技术有限公司高级工程师,主要从事TSN算法及解决方案研究、确定性网络技术研究工作
    耿雪松(1991- ),女,华为技术有限公司高级工程师、确定性网络标准代表,主要从事确定性网络相关技术研究及标准推动工作

Auto-learning TSN: improvements on TSN usability

Tongtong WANG, Jiayi ZHANG, Lihao CHEN, Xuesong GENG   

  1. Huawei Technologies Co., Ltd., Beijing 100083, China
  • Revised:2023-11-09 Online:2023-11-01 Published:2023-11-01

摘要:

许多网络应用(如工业控制)都要求网络提供确定性的传输服务,传统的统计复用网络无法满足这一类应用需求。IEEE 802.1时间敏感网络(TSN)相关标准和研究能够在以太网上提供确定性的网络服务。简述TSN的基本原理,利用网络演算对TSN中的关键排队机制进行了定量分析,并提出自学习TSN机制,通过网络智能化自适应支持非TSN端侧设备组网,结合时延保证算法形成端到端TSN方案,为TSN技术的进一步推广和应用打下了基础。

关键词: TSN, 有界时延, 网络演算, 确定性网络

Abstract:

Many network applications (e.g., industrial control) require networks to provide deterministic transmission services, and traditional statistical multiplexing networks can not meet the needs of this type of applications.IEEE 802.1 TSN standard and related research can provide deterministic networking services over Ethernet.The basic principles of TSN were described briefly, the key queuing mechanisms of TSN by using network calculus were analyzed quantitatively, and an auto-learning TSN mechanism was proposed to adaptively support non-TSN device connections by network intelligence.Together with delay guarantee algorithms, a E2E TSN solution can be formed and used for the further promotion and application of TSN technology.

Key words: TSN, bounded latency, network calculus, deterministic networking

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