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Recovery escalation with load balancing and backup resources sharing in survivable WDM optical networks

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Abstract

In this paper, we propose a new survivable algorithm, called Enhanced Shared-Path Protection (ESPP), to tolerate multi-link failures in WDM optical networks. In ESPP, we consider the load balancing method to reduce the blocking probability for computing the primary paths, and we also use the idea of backup resources sharing to save backup resources for computing the backup paths. In order to tolerate multi-link failures, we perform the recovery escalation mechanism to establish new routes for carrying the traffic affected by the failures. Simulation results show that, compared with the conventional algorithm, ESPP has better resource utilization ratio, lower blocking probability, and higher protection ability.

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Authors and Affiliations

  1. College of Information Science and Engineering, Northeastern University, Shenyang, 110004, China

    Lei Guo, Xingwei Wang & Xiaobing Zheng

  2. Department of Computing, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong

    Lei Guo & Jiannong Cao

Authors
  1. Lei Guo
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  2. Xingwei Wang
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  3. Jiannong Cao
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  4. Xiaobing Zheng
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Corresponding author

Correspondence to Xingwei Wang.

Additional information

The preliminary work of this paper was presented at the International Symposium on Network Computing and Applications (NCA) 2008. This work was supported in part by the National Natural Science Foundation of China (60802023, 60673159, 70671020), the National High-Tech Research and Development Plan of China (2007AA041201), the Key Project of Chinese Ministry of Education (108040), the Specialized Research Fund for the Doctoral Program of Higher Education (20070145096, 20070145017, 20060145012), the Program for New Century Excellent Talents in University (NCET-08-0095), and the Hong Kong Polytechnic University Postdoctoral Fellowships Scheme (G-YX2E).

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Guo, L., Wang, X., Cao, J. et al. Recovery escalation with load balancing and backup resources sharing in survivable WDM optical networks. Photon Netw Commun 18, 393–399 (2009). https://doi.org/10.1007/s11107-009-0201-2

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  • DOI: https://doi.org/10.1007/s11107-009-0201-2

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