Mas, CarmenNguyen, Hung XuanThiran, Patrick2005-07-112005-07-112005-07-11200510.1007/0-387-22584-6_16https://infoscience.epfl.ch/handle/20.500.14299/214264Fault identification and location in optical networks must cope with 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)WDM network componentsfailure modelfailure managementcomplexity.text::book/monograph::book part or chapter