fgOTN应用于智算中心互联研究综述  

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

作　　者：史庆娜 王佳雪 李诗语 蔡梦茹 刘晓东[1,2] 尹珊 黄善国[1,2] SHI Qingna;WANG Jiaxue;LI Shiyu;CAI Mengru;LIU Xiaodong;YIN Shan;HUANG Shanguo(State Key Laboratory of Information Photonics and Optical Communications,Beijing University of Posts and Telecommunications,Beijing 100876,China;School of Electronic Engineering,Beijing University of Posts and Telecommunications,Beijing 100876,China)

机构地区：[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

出　　处：《电信科学》2025年第1期26-41,共16页Telecommunications Science

基　　金：国家杰出青年科学基金资助项目(No.62125103);国家自然科学基金面上项目(No.62371061);北京市自然科学基金资助项目(No.4232008)。

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。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 require‐ments for flexible scheduling,efficient transmission,strict security isolation,and low latency.Firstly,the basic con‐cepts,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.Fi‐nally,the research directions and development trends were discussed.

关 键 词：细颗粒光传送网 智算中心互联 应用场景 

分 类 号：TN914[电子电信—通信与信息系统]