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1、WidebandopticalfiberaccessnetworktrendofdevelopmentAuthor:LiuJinhaiarticlesource:Computeruniversaltime:2005-3-8文中字体改一致Thisarticlefirstisbriefintroducedtheworldbroadbandaccessnetworkdevelopstheconditionandthemainapplication,nextnarratedthewidebandopticalfiberaccessn
2、etworkmerit.Withemphasishasoncemoreanalyzedthewidebandpoint-to-pointactiveEthernetopticalfibersystemandthewidebandtothepassiveopticalfibersystemcharacteristicandtheapplication.Meetsdownproposedourcountryopticalfiberaccessnetworksendschem・possibletosurmountAPON,BPON
3、andtheEPONstage,startsfromthewidebandpoint-to-pointEthernetopticalfibersystemandGEPON,finallyandeventransitstotheGPONstagepreliminaryidea・Finallyanalyzedtheopticalfibercommunicationstechnologytrendofdevelopmentfromeachangle・Thebroadbandaccessnetworkdevelopsconditio
4、nandmainapplicationInfact,lookingfromthetelecommunicationdevelopmenthistory,whenthenetworknumberofusersachievescertainscale.Eachkindofapplicationmeetsthenatureproduction;thisalsoisso-calledstepstheCufflawmighttobeatespecially.Inthehistoryonekindoftechnologysincebir
5、thhasnotbeenhavingabigpileofapplication,regardlessofisthemobilecommunicationortheInternet,onitsshortnote,thebrowsing,thenetchatsandsoonthekeyapplicationsallisdevelopscertaindegreeaftertheuserscaletoproducenaturally,butisnotsedulouslydesignsbeforehandplans.Sincehase
6、nteredforthe21stcentury,thewholeworldbroadbandaccessnetworkenteredthebigdevelopmentphase.To2004year'send,thetotalnumberofusersalreadyachieved150,000,000,becameintheelectricityreliablehistoricalaccounttodeveloponeofquickesttelecommunicationservices,andevenwasalsoqui
7、ckerthanthemobileservice.Forexamplethewholeworldmobileservicefrom10,000,000developedto100,000,000hasspentfor5.5years,butthebroadbandaccessservicehasonlyusedfor3.5years・AccordingtotheIDCforecast,in2007theglobalwidebandtotalusermayachieve209,000,000,inwhich9.9,namely
8、about20,000,000usersforopticalfiberaccessnetwork.TheAsianandPacificarea,speciallySouthKorea'sandJapanwerethebroadbandaccessdeveloptheswiftestmost
