Review of the application of fgOTN in the interconnection of artificial intelligence data centers

SHI Qingna; WANG Jiaxue; LI Shiyu; CAI Mengru; LIU Xiaodong; YIN Shan; HUANG Shanguo

doi:10.11959/j.issn.1000-0801.2025022

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Review of the application of fgOTN in the interconnection of artificial intelligence data centers

Topic: Fine Grain Optical Transport Network | 更新时间：2025-02-07

- Review of the application of fgOTN in the interconnection of artificial intelligence data centers
- Telecommunications Science Vol. 41, Issue 1, Pages: 26-41(2025)
- 作者机构：
  
  1.北京邮电大学信息光子学与光通信全国重点实验室，北京 100876
  2.北京邮电大学电子工程学院，北京 100876
- 作者简介：
- 基金信息：
  
  The National Science Fund for Distinguished Young Scholars(62125103);The National Natural Science Foundation of China(62371061);Beijing Natural Science Foundation of China(4232008)
- DOI：10.11959/j.issn.1000-0801.2025022
  CLC： TN914
- Received：30 November 2024，
  
  Revised：2024-12-31，
  
  Published：20 January 2025
- 稿件说明：
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史庆娜,王佳雪,李诗语等.fgOTN应用于智算中心互联研究综述[J].电信科学,2025,41(01):26-41.

SHI Qingna,WANG Jiaxue,LI Shiyu,et al.Review of the application of fgOTN in the interconnection of artificial intelligence data centers[J].Telecommunications Science,2025,41(01):26-41.
史庆娜,王佳雪,李诗语等.fgOTN应用于智算中心互联研究综述[J].电信科学,2025,41(01):26-41. DOI： 10.11959/j.issn.1000-0801.2025022.

SHI Qingna,WANG Jiaxue,LI Shiyu,et al.Review of the application of fgOTN in the interconnection of artificial intelligence data centers[J].Telecommunications Science,2025,41(01):26-41. DOI： 10.11959/j.issn.1000-0801.2025022.

摘要

随着智算中心数据流量和业务需求的快速增长，高效、灵活的网络解决方案成为关键。细颗粒光传送网（fine grain optical transport network，fgOTN）作为同步数字体系（synchronous digital hierarchy，SDH）技术的接续与光传送网（optical transport network，OTN）技术的扩展，被应用于智算中心互联，以满足其灵活调度、高效传输、严格安全隔离和低时延等多重需求。首先，介绍了fgOTN的基本概念、技术架构及应用场景，随后，阐述了智算中心的相关概念、体系架构、关键技术及应用场景。在此基础上，重点探讨了fgOTN在智算中心互联中的应用，旨在促进智算中心间数据传输的高效、可靠。最后，论述了fgOTN应用于智算中心互联的研究方向和发展趋势。

Abstract

With the rapid growth of data traffic and service requirements in artificial intelligence data centers

efficient and flexible network solutions have become critical. The fine grain optical transport network (fgOTN)

which serves as a continuation of synchronous digital hierarchy (SDH) technology and an extension of optical transport network (OTN) technology

is applied in the interconnection of artificial intelligence data centers to meet their multiple requirements for flexible scheduling

efficient transmission

strict security isolation

and low latency. Firstly

the basic concepts

technical architecture

and application scenarios of fgOTN were introduced. Subsequently

the related concepts

architectures

key technologies

and application scenarios of artificial intelligence data centers were elaborated. Based on these foundations

the application of fgOTN in interconnection of artificial intelligence data centers was discussed in detail

aiming to promote efficient and reliable data transmission between artificial intelligence data centers. Finally

the research directions and development trends were discussed.

关键词

Keywords

references

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