安志聪（信息产业电子第十一设计研究院科技工程股份有限公司,成都市 610021）

数据中心叶脊网络架构及预端接布线设计探讨（安志聪）

Discussion on Leaf‑spine Network Architecture and Pre‑terminal

Cabling Design of Data Center

AN Zhicong（The IT Electronics Eleventh Design & Research Institute Scientific and

Technological Engineering Co.,Ltd.,Chengdu 610021，China）

    Abstract：The disadvantages of the traditional three‑layer network architecture applied in the data center are introduced,and the principle,performance advantages,related equipment characteristics of the leaf‑spine network architecture which can replace the traditional three‑layer network architecture,and how the advantages of the architecture can meet the network requirements of the L2 layer of the data center are analyzed;and the design of pre‑terminating generic cabling of leaf‑spine network is discussed.

    Key words：data center;network architecture；

three‑layer network;leaf‑spine network;pre‑terminating optical cable arrangement;generic cabling；optical fiber connector;transmission distance

  摘　要：介绍传统三层网络架构应用在数据中心的弊端，分析可替代传统三层网络架构的叶脊网络架构原理、性能优势、相关设备特点，以及该架构的优势如何满足数据中心L2层的网络需求；探讨叶脊网络的预端接综 合布线设计。

  关键词：数据中心; 网络架构; 三层网络; 叶脊网络;预端接光缆布线;综合布线;光纤连接器；传输距离

  中图分类号：TN919.2        　  　文献标识码：A

    doi：10.3969 / j. issn.1003 － 8493.2020.11.011