Journal on Communications ›› 2018, Vol. 39 ›› Issue (8): 125-132.doi: 10.11959/j.issn.1000-436x.2018146

• Papers • Previous Articles     Next Articles

Link-lifetime-based service restoration in optical datacenter network

Ninghai BAO,Yuan YUAN,Ziqian LIU,Ming KUANG   

  1. School of Communication and Information Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065,China
  • Revised:2018-07-02 Online:2018-08-01 Published:2018-09-13
  • Supported by:
    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)

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.

Key words: optical datacenter network, link lifetime, network survivability, service restoration, service holding time

CLC Number: 

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