Knight’s tour-based fast fault localization mechanism in mesh optical communication networks

Knight’s tour-based fast fault localization mechanism in mesh optical communication networks Based on the knight’s tour theory, a novel link failure localization mechanism is proposed in the paper. Firstly, degree aware node splitting method is introduced. Then, the nodes and links of the network are mapped on the squares and steps of the corresponding chessboard. Subsequently, the probing signals are sent periodically to detect the network status in real-time manner. Once the link failure is detected, according to returned fault information, the link failure is located by searching the static mapping table. In the case of achieving failure localization of any link failure, the localization time and cover length of links are analysis. Numerical results show that the link failure can be located effectively and rapidly by the proposed strategy with less network resources utilized. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Photonic Network Communications Springer Journals

Knight’s tour-based fast fault localization mechanism in mesh optical communication networks

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Publisher
Springer Journals
Copyright
Copyright © 2011 by Springer Science+Business Media, LLC
Subject
Computer Science; Electrical Engineering; Computer Communication Networks; Characterization and Evaluation of Materials
ISSN
1387-974X
eISSN
1572-8188
D.O.I.
10.1007/s11107-011-0342-y
Publisher site
See Article on Publisher Site

Abstract

Based on the knight’s tour theory, a novel link failure localization mechanism is proposed in the paper. Firstly, degree aware node splitting method is introduced. Then, the nodes and links of the network are mapped on the squares and steps of the corresponding chessboard. Subsequently, the probing signals are sent periodically to detect the network status in real-time manner. Once the link failure is detected, according to returned fault information, the link failure is located by searching the static mapping table. In the case of achieving failure localization of any link failure, the localization time and cover length of links are analysis. Numerical results show that the link failure can be located effectively and rapidly by the proposed strategy with less network resources utilized.

Journal

Photonic Network CommunicationsSpringer Journals

Published: Nov 29, 2011

References

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