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1、WidebandopticalfiberaccessnetworktrendofdevelopmentAuthor:LiuJinhaiarticlesource:Computeruniversaltime:2005-3-8Thisarticlefirstisbriefintroducedtheworldbroadbandaccessnetworkdevelopstheconditionandthemainapplication,nextnarratedthewidebandopticalfiberaccessnetworkmerit.Withemphasishasoncemorea
2、nalyzedthewidebandpoint-to-pointactiveEthernetopticalfibersystemandthewidebandtothepassiveopticalfibersystemcharacteristicandtheapplication.Meetsdownproposedourcountryopticalfiberaccessnetworksendschem.possibletosurmountAPON,BPONandtheEPONstage,startsfromthewidebandpoint-to-pointEthernetoptica
3、lfibersystemandGEPON,finallyandeventransitstotheGPONstagepreliminaryidea.Finallyanalyzedtheopticalfibercommunicationstechnologytrendofdevelopmentfromeachangle.ThebroadbandaccessnetworkdevelopsconditionandmainapplicationInfact,lookingfromthetelecommunicationdevelopmenthistory,whenthenetworknumb
4、erofusersachievescertainscale.Eachkindofapplicationmeetsthenatureproduction;thisalsoisso-calledstepstheCufflawmighttobeatespecially.Inthehistoryonekindoftechnologysincebirthhasnotbeenhavingabigpileofapplication,regardlessofisthemobilecommunicationortheInternet,onitsshortnote,thebrowsing,thenet
5、chatsandsoonthekeyapplicationsallisdevelopscertaindegreeaftertheuserscaletoproducenaturally,butisnotsedulouslydesignsbeforehandplans.Sincehasenteredforthe21stcentury,thewholeworldbroadbandaccessnetworkenteredthebigdevelopmentphase.To2004year'send,thetotalnumberofusersalreadyachieved150,000,000
6、,becameintheelectricityreliablehistoricalaccounttodeveloponeofquickesttelecommunicationservices,andevenwasalsoquickerthanthemobileservice.Forexamplethewholeworldmobileservicefrom10,000,000developedto100,000,000hasspentfor5.5years,butthebroadbandaccessservicehasonlyusedfor3.5years.Accordingtoth
7、eIDCforecast,in2007theglobalwidebandtotalusermayachieve209,000,000,inwhich9.9,namelyabout20,000,000usersforopticalfiberaccessnetwork.TheAsianandPacificarea,speciallySouthKorea'sandJapanwerethebroadbandaccessdeveloptheswiftestmostandviol