The Research on Dedicated-path Protection Methods in Elastic Optical Networks with Data Centers

FU Xiao-dong; WANG Yao-pan; SHEN Yi-chun; FANG Hong-lian; CHEN Bo-wen

doi:10.13756/j.gtxyj.2022.06.003

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The Research on Dedicated-path Protection Methods in Elastic Optical Networks with Data Centers

更新时间：2023-01-29

- The Research on Dedicated-path Protection Methods in Elastic Optical Networks with Data Centers
- Study on Optical Communications Issue 6, Pages: 16-21,69(2022)
- 作者机构：
  
  1.苏州大学　电子信息学院，江苏　苏州　215006
  2.中天通信技术有限公司，江苏　南通　226400
  3.中天科技精密材料有限公司，江苏　南通　226009
  4.中天宽带技术有限公司，江苏　南通　226000
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2022.06.003
  CLC： TN929.11
- Published：10 December 2022，
  
  Received：15 April 2022，
扫描看全文
FU Xiao-dong, WANG Yao-pan, SHEN Yi-chun, et al. The Research on Dedicated-path Protection Methods in Elastic Optical Networks with Data Centers. [J]. Study on Optical Communications (6):16-21,69(2022)
DOI：

FU Xiao-dong, WANG Yao-pan, SHEN Yi-chun, et al. The Research on Dedicated-path Protection Methods in Elastic Optical Networks with Data Centers. [J]. Study on Optical Communications (6):16-21,69(2022) DOI： 10.13756/j.gtxyj.2022.06.003.

摘要

随着大数据、云服务和人工智能的发展，网络向着规模化与复杂化方向演进，网络发生故障的概率增加，需要为每个连接请求提供专用保护，减少因网络故障造成的损失。因此，在数据中心弹性光网络中，为了提高网络的生存性，采用带宽调整方法。文章提出了一种数据中心弹性光网络专用保护优化方法。仿真结果表明，文章所提专用保护优化方法能够有效降低网络的阻塞率，提高网络资源利用率，解决了网络生存性问题。

Abstract

With the development of big data

cloud services

and artificial intelligence

the optical network is developing towards scale and complexity

which suffers from larger probability of network failure. It is necessary to provide dedicated-path protection for each connection request to reduce the loss caused by the network failures. Therefore

in order to guarantee the network survivability

we propose a dedicated-path protection optimization method to improve the network resource efficiency in elastic optical networks with data centers. The simulation results show that the proposed dedicated-path protection optimization method can effectively reduce the blocking probability

improve the network resource utilization

and solve the survivability problem of elastic optical networks in data centers.

关键词

数据中心弹性光网络专用路径保护带宽调整

Keywords

data centerelastic optical networksdedicated-path protectionbandwidth adjustment

references

Lu Y, Gu H. Flexible and Scalable Optical Interconnects for Data Centers: Trends and Challenges[J]. IEEE Communications Magazine, 2019, 57(10): 27-33.

Ji P N, Qian D, Kanonakis K, et al. Design and Evaluation of a Flexible-bandwidth OFDM-based Intra-data Center Interconnect[J]. IEEE Journal of Selected Topics in Quantum Electronics, 2013, 19(2): 2209409.

Chen B, Lei Y, Jiang Y, et al. Spectrum-sharing-maximized Approaches with Shared-path Protection in Elastic Optical Data Center Networks[J]. IEEE Internet of Things Journal, 2022, 9(6): 4721-4736.

Chen B, Zhao Y, Zhang J. Survivable Spectrum-shared Ability in Flexible Bandwidth Optical Networks with Distributed Data Centers[J]. Photonic Network Communications, 2017, 33(2): 102-111.

Xiong Y, Li Y, Zhou B, et al. SDN Enabled Restoration with Triggered Precomputation in Elastic Optical Inter-datacenter Networks[J]. Journal of Optical Communications and Networking, 2018, 10(1): 24-34.

Chen Q, Chen B, Zheng W, et al. Virtual Optical Network Mapping Approaches in Space-division-multiplexing Elastic Optical Data Center Networks[J]. Journal of Lightwave Technology, 2022, 40(12): 3515-3529.

Chen B, Zhang J, Xie W, et al. Cost-effective Survivable Virtual Optical Network Mapping in Flexible Bandwidth Optical Networks[J]. Journal of Lightwave Technology, 2016, 34(10): 2398-2412.

Zhu M, Sun Q, Zhang S, et al. Energy-aware Virtual Optical Network Embedding in Sliceable-transponder-enabled Elastic Optical Networks[J]. IEEE Access, 2019, 7: 41897-41912.

Zhang L, Chen J, Agrell E, et al. Enabling Technologies for Optical Data Center Networks: Spatial Division Multiplexing[J]. Journal of Lightwave Technology, 2020, 38(1): 18-30.

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