OTN原理特点及关键技术

OpticalTransportNetwork(OTN)iscomposedofasetofOpticalNetworkElementsconnectedbyopticalfiberlinks,abletoprovidefunctionalityoftransport,multiplexing,routing,management,supervisionandsurvivabilityofclientsignals,accordingtotherequirementsgiveninRec.G.872.