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1、WidebandopticalfiberaccessnetworktrendofdevelopmentAuthor:LiuJinhaiarticlesource:Computeruniversaltime:2005-3(BroadbandFiberAccessNetworkDevelopmentTrends)Thisarticlefirstisbriefintroducedtheworldbroadbandaccessnetworkdevelopstheconditionandthemainapplication,
2、nextnarratedthewidebandopticalfiberaccessnetworkmerit.Withemphasishasoncemoreanalyzedthewidebandpoint-to-pointactiveEthernetopticalfibersystemandthewidebandtothepassiveopticalfibersystemcharacteristicandtheapplication.Meetsdownproposedourcountryopticalfiberacc
3、essnetworksendschem.possibletosurmountAPON,BPONandtheEPONstage,startsfromthewidebandpoint-to-pointEthernetopticalfibersystemandGEPON,finallyandeventransitstotheGPONstagepreliminaryidea・Finallyanalyzedtheopticalfibercommunicationstechnologytrendofdevelopmentfro
4、meachangle・ThebroadbandaccessnetworkdevelopsconditionandmainapplicationInfact,lookingfromthetelecommunicationdevelopmenthistory,whenthenetworknumberofusersachievescertainscale・Eachkindofapplicationmeetsthenatureproduction;thisalsoisso-calledstepstheCufflawmigh
5、ttobeatespecially.Inthehistoryonekindoftechnologysincebirthhasnotbeenhavingabigpileofapplication,regardlessofisthemobilecommunicationortheInternet,onitsshortnote,thebrowsing,thenetchatsandsoonthekeyapplicationsallisdevelopscertaindegreeaftertheuserscaletoprodu
6、cenaturally,butisnotsedulouslydesignsbeforehandplans.Sincehasenteredforthe21stcentury,thewholeworldbroadbandaccessnetworkenteredthebigdevelopmentphase・To2004year'send,thetotalnumberofusersalreadyachieved150,000,000,becameintheelectricityreliablehistoricalaccou
7、nttodeveloponeofquickesttelecommunicationservices,andevenwasalsoquickerthanthemobileservice・Forexamplethewholeworldmobileservicefrom10,000,000developedto100,000,000hasspentfor5.5years,butthebroadbandaccessservicehasonlyusedfor3.5years・AccordingtotheIDCforecast
8、,in2007theglobalwidebandtotalusermayachieve209,000,000,inwhich9.9,namelyabout20,000,000usersforopticalfiberaccessnetwork.TheAsianandPacificarea,speciallySouthKorea'sandJapanwerethe