Mas, CarmenThiran, Patrick2004-08-312004-08-312004-08-31200010.1109/49.887911https://infoscience.epfl.ch/handle/20.500.14299/149579WOS:0001656054000093083Fault identification and location in optical networks is hampered by a multitude of factors: (i) the redundancy and the lack of coordination (internetworking) of the managements at the different layers (WDM, SDH/SONET, ATM, IP)optical networksfault locationwavelength division multiplexing (WDM)multiple failureslost and false alarmstext::journal::journal article::research article