OSU based M-OTN networking modes and field trial

Ruiquan JING; Leiyang SHEN; Zhiwei JIN; Jing ZHANG; Yuan YAO; Lei CHENG; Heng ZHOU

doi:10.11959/j.issn.1000-0801.2023124

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OSU based M-OTN networking modes and field trial

Engineering and Application | 更新时间：2024-06-05

- OSU based M-OTN networking modes and field trial
- Telecommunications Science Vol. 39, Issue 6, Pages: 139-148(2023)
- 作者机构：
  
  1. 中国电信股份有限公司研究院，北京 102209
  2. 中国电信股份有限公司安徽分公司，安徽合肥 230011
  3. 中国电信股份有限公司六安分公司，安徽六安 237005
  4. 中国电信股份有限公司淮南分公司，安徽淮南 232000
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2023124
  CLC： TN914
- Published Online：2023-06，
  
  Published：20 June 2023
- 稿件说明：
移动端阅览
Ruiquan JING, Leiyang SHEN, Zhiwei JIN, et al. OSU based M-OTN networking modes and field trial[J]. Telecommunications science, 2023, 39(6): 139-148.
DOI：

Ruiquan JING, Leiyang SHEN, Zhiwei JIN, et al. OSU based M-OTN networking modes and field trial[J]. Telecommunications science, 2023, 39(6): 139-148. DOI： 10.11959/j.issn.1000-0801.2023124.

摘要

基于光业务单元（optical service unit，OSU）的面向城域优化的光传送网络（metro-optimized OTN， M-OTN）创新技术方案可以提供低时延和带宽灵活调整的高品质专线业务，提升光传送网络（optical transport network，OTN）对小颗粒专线业务的承载能力和效率。重点探讨了 OSU 技术在 OTN 中的应用模式，包括OSU在现网中的应用价值、叠加层（Overlay）与底层（Underlay）组网模式比较、OSU到光数据单元k（optical data unit-k，ODUk）复用方式与多业务统一承载等几个方面。通过现网试验对OSU技术的业务能力和长期运行可靠性进行了充分验证，为后续OSU组网模式的选择提供技术依据。

Abstract

The innovative optical service unit (OSU) based on M-OTN technologies can provide high-quality private line services with low latency and flexible bandwidth

and improve the networking capability and efficiency of OTN for small granularity services.The application mode of M-OTN/OSU technologies in the OTN were discussed

including the value OSU brings

the comparison of Overlay vs.Underlay networking modes

multiplexing modes of OSU into ODUk and multi-service unified transport.The service capability and long-term operational reliability of OSU technology were fully verified through the field trial network

which provides a technical basis for the selection of OSU networking modes.

关键词

Keywords

references

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