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Conference Paper
Effective Fault Management for Hierarchical OTN Multiplexing Using Tandem Connection Monitoring Coordinates
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- Authors
- Wonkyoung Lee, Jeong-dong Ryoo, Bheom-Soon Joo, Taesik Cheung
- Issue Date
- 2016-10
- Citation
- International Conference on Information and Communication Technology Convergence (ICTC) 2016, pp.254-257
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- We propose and verify fault management method using tandem connection monitoring for OTN multiplexing hierarchy through experiments on fiber-cut event. Marking defects on TCM coordinates that consists of TCM levels and ODU trails, and identifying a root-cause of faults using two consequent actions of trail signal fail and server signal fail are newly presented as means to find fault-originators and root-causes. By effectively managing multiple faults all over the network and all over the hierarchical OTN layers, the fault management method could contribute toward the enhanced OAM for fast end-To-end service maintenance and fast restoration.
- KSP Keywords
- End to End(E2E), Fast restoration, Tandem Connection Monitoring, fault management, multiple faults