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Proceedings Paper

Non-adaptive fault diagnosis for low-degree networks via lightpath probing method
Author(s): Hang Zhang; Yanhe Li; Yili Guo; Hanyi Zhang; Xiaoping Zheng
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Paper Abstract

This paper considers the fault-diagnosis problem for low-degree all-optical networks. Failure-detection schemes which subject to topological constraints are proposed. Optical probe signals are sent in parallel along a set of designed lightpaths. The network health state is derived from the results of this end-to-end test (i.e., probe syndromes). The design objectives are to minimize the diagnosis cost which is represented by the number of probes. We obtain a lower bound of the number of the probes to identify any single link failure and implement this scheme in several networks as well.

Paper Details

Date Published: 19 November 2008
PDF: 8 pages
Proc. SPIE 7137, Network Architectures, Management, and Applications VI, 71371R (19 November 2008); doi: 10.1117/12.804147
Show Author Affiliations
Hang Zhang, Tsinghua Univ. (China)
Yanhe Li, Tsinghua Univ. (China)
Yili Guo, Tsinghua Univ. (China)
Hanyi Zhang, Tsinghua Univ. (China)
Xiaoping Zheng, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 7137:
Network Architectures, Management, and Applications VI
Weisheng Hu; Shoa-Kai Liu; Ken-ichi Sato; Lena Wosinska, Editor(s)

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