Distributed multi-failure localization protocol for all-optical networks

Authors:
Mazen Khair;Jun Zheng;Hussein T. Mouftah
Affiliations:
School of Infonnation Technology and Engineering, University of Ottawa, Ottawa, Ontario, Canada;School of Infonnation Technology and Engineering, University of Ottawa, Ottawa, Ontario, Canada;School of Infonnation Technology and Engineering, University of Ottawa, Ottawa, Ontario, Canada
Venue:
ONDM'09 Proceedings of the 13th international conference on Optical Network Design and Modeling
Year:
2009

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Abstract

In this paper, we propose a distributed fault localization protocol, called Parallel Limited Perimeter Vector Matching (p-LVM) protocol, for localizing multi-link failures in all-optical networks. The P-LVM protocol is based on the Limited Perimeter Vector Matching (LVM) protocol for localizing single-link failures in all-optical networks. To handle multi-link failures, it tries to separate each failure in a small perimeter area after identifying each perimeter area with its corresponding failure and then localize the failures in parallel respectively in a distributed manner. Through simulation results, we show that the P-LVM protocol can effectively localize multi-link failures that occur simultaneously or at different times in all-optical networks.