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1、城域双平面传送网对宽带多业务的意义ThemeaningoftheinterplanartransmissionnetworkforbroadbandmultibusinessHc360.comtheinfonuationsource:communicationworldnetworkat9:34onApr订6,2006Theupcoming3Gbusinessandthe2008OlympicGamesinBeijingoffernewandexpandeddemandfortransmissionnetworks
2、・MetropolitanareaopticaltransmissionnetworkhasalsoevolvedfromoverlappingnetworkconstructionforthebusinesstotransfermorebusinessorientedMSTPnetwork,completedbythetransferofaunifiednetworkaccess,gatheringandtransmittingavarietyofbusiness・Doubleplaneopticaltransm
3、issionnetworkisthenetworksecurityandbusinessdevelopmentway,oneoftheevolvementofthetransmissionnetworkconstructionbiplanartransmissionnetworkisthebusiness,technologyandeconomydrivenbymanyfactorssuchasarealisticandwisechoice・Thepurposeofbuildingatwo-planetranspo
4、rtnetworkHowtomeetthenetwork，sneedforbusinessdiversity,exterisibility,andsecurityisthemostimportantthingforcarriers・ItisofgreatsignificanceforoperatorstobuildadualplanaropticaltransmissionnetworkforInternetsecurityandbusinessdevelopment・Optimizethenetworktopol
5、ogyInthedeploymentofthesecondplanecanchoosedifferenttopologystructure,soastomakeupfortheoriginalflatblankinsomeareasorbusiness,makethenetworktorealizethewholebusiness,geographiccoverage・Optimizecross-loopbusinessschedulingIntheoriginalplanebusinesschannelbetwe
6、entwonodesislikelytobeloopacrossdifferentconvergencelayer,andincreaseafteranotherplanebecauseoftopologyoptimization,canmakethepartintheoriginalplanebetweentheringofconvergencelayeronthesurfaceofthecircuitintonewringcircuit,moreflexibilitytoprovideend-to-endcha
7、nne1.RealizebusinesssharingandenhancebusinesssecurityWewillbeabletoeffectivelyimplementbusinesssharing,businessprotectionanddisasterresistance,andgreatlyenhancethesecurityofourbusiness・OptimizethetransmissionofwirelessbasestationserviceNewplanecantaponthesurfa
8、ceofthepartoftheoriginalbasestationconnectedtoring,whenanyconvergencelayernodefailure,failure,onlyapartofthebasestationoftherestoftheworkofbasestationcanincreasethepowerthroughasce
