A Novel End-to-End Protection Scheme in Multi-Domain Networks

LIANG Kaile; WANG Hongxiang

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A Novel End-to-End Protection Scheme in Multi-Domain Networks

LIANG Kaile 1 #,WANG Hongxiang 2 *

1.School of Infornation and Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876

2.School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing,100876

*Correspondence author

#Submitted by

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Funding: none

Opened online:17 May 2012

Accepted by: none

Citation: LIANG Kaile,WANG Hongxiang.A Novel End-to-End Protection Scheme in Multi-Domain Networks[OL]. [17 May 2012] http://en.paper.edu.cn/en_releasepaper/content/4477767

Considering the essential improtance of information technology in today's society, network survivability has been a major concern. While pre-provisoned protection strategies for single-link failure has been well studied in single domain networks, and efforts have been made to mitigate these shcemes to Multi-Domain networks, there are still many challenging problems. Diverse path pair computation and setup across domains is very complex and challenging due to the limited state information between domains. In this paper, a novel end-to-end diverse path pairs protection heuristic for Multi-Domain networks considering traffic engineering is proposed. It gives significantly lower routing overhead and complexitty. Integer Linear Programming(ILP) formulation aimming to minimize blocking rate in bandwidth routing optical network is proposed. Meanwhile, the proposed heuristic is evaluated using simulation and compared with both ILP solution and other shceme.

Keywords:diverse lightpath pairs; protection; multi-domain networks; ILP

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