Link-lifetime-based service restoration in optical datacenter network

Ninghai BAO; Yuan YUAN; Ziqian LIU; Ming KUANG

doi:10.11959/j.issn.1000-436x.2018146

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Link-lifetime-based service restoration in optical datacenter network

Papers | 更新时间：2024-06-05

- Link-lifetime-based service restoration in optical datacenter network
- Journal on Communications Vol. 39, Issue 8, Pages: 125-132(2018)
- 作者机构：
  
  重庆邮电大学通信与信息工程学院，重庆 400065
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61671092);The Fundamental Science and Frontier Technology Research Project of Chongqing(cstc2016jcyjA0083);The College Innovation Team Project of Chongqing(KJTD201312)
- DOI：10.11959/j.issn.1000-436x.2018146
  CLC： TN929.11
- Online First：2018-08，
  
  Published：25 August 2018
- 稿件说明：
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Ninghai BAO, Yuan YUAN, Ziqian LIU, et al. Link-lifetime-based service restoration in optical datacenter network[J]. Journal on Communications, 2018, 39(8): 125-132.
DOI：

Ninghai BAO, Yuan YUAN, Ziqian LIU, et al. Link-lifetime-based service restoration in optical datacenter network[J]. Journal on Communications, 2018, 39(8): 125-132. DOI： 10.11959/j.issn.1000-436x.2018146.

摘要

针对大规模灾难事件对光数据中心网络造成的关联性和级联性故障，提出一种基于链路生命期的灾后业务恢复方案。该方案利用全局业务带宽退让和局部链路的有限生命期，缓解灾后网络的带宽资源危机，根据灾难损毁业务的带宽需求和持续时间需求，确定业务恢复优先级，采用任播与多播相结合的路由策略提高业务的连通性和带宽资源利用率。仿真结果表明，所提方案能够最大限度地降低业务中断率，并有效地延长灾难损毁业务的持续时间，减少数据流量损失。

Abstract

Aiming at the correlated and cascading failures caused by large-scale disasters

a post-disaster service restoration scheme was proposed.This scheme utilized global service bandwidth concession and the limited lifetime of local links to mitigate resource crunch in the post-disaster network.According to their bandwidth and holding time requirements

the impacted services for restoration was prioritized firstly

then jointly employed anycast and manycast routing strategies to improve the service connectivity and bandwidth resource utilization.Simulation results show that the proposed scheme can significantly reduce the service loss ratio

effectively prolong the holding time of the impacted services and decrease the data flow loss ratio in the post-disaster network.

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Keywords

references

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