Method and system for network wide fault isolation in an...

Details Method and system for network wide fault isolation in an... Method and system for network wide fault isolation in an...

2004-11-05

2008-07-29

Sedighian, M. R. (Department: 2613)

Optical communications

Fault recovery

C398S009000, C398S010000, C398S017000, C370S241000

Reexamination Certificate

active

07406260

ABSTRACT:
A method and system for network wide fault isolation in an optical network are described. A single fault in a network can produce a large number of alarms at different points in an optical network. The described method and system identify the root cause alarm while masking all correlated alarms. In the embodiment of the invention, the method and system are based on a wavelength tracker technology allowing identification and tracking of individual channels in the optical network.

REFERENCES:
patent: 5949759 (1999-09-01), Cretegny et al.
patent: 6006016 (1999-12-01), Faigon et al.
patent: 6253339 (2001-06-01), Tse et al.
patent: 6356885 (2002-03-01), Ross et al.
patent: 6604208 (2003-08-01), Gosselin et al.
patent: 6707795 (2004-03-01), Noorhosseini et al.
patent: 2004/0120710 (2004-06-01), Seddigh et al.

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