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1、WidebandopticalfiberaccessnetworktrendofdevelopmentFirst,thisarticleintroducetheworldbroadbandaccessnetworktheconditionofdevelopsandthemainapplication,nextnarratedthewidebandopticalfiberaccessnetworkmerit.Withemphasishasoncemoreanalyzedthewidebandpoint-to-
2、pointactiveEthernetopticalfibersystemandthewidebandtothepassiveopticalfibersystemcharacteristicandtheapplication.Meetsdownproposedourcountryopticalfiberaccessnetworksendschem.possibletosurmountAPON,BPONandtheEPONstage,startsfromthewidebandpoint-to-pointEth
3、ernetopticalfibersystemandGEPON,finallyandeventransitstotheGPONstagepreliminaryidea.Finallyanalyzedthedevelopmenttrendofopticalfibercommunicationstechnologyfromeachangle.ThebroadbandaccessnetworkdevelopsconditionandmainapplicationInfact,lookingfromthetelec
4、ommunicationdevelopmenthistory,whenthenetworknumberofusersachievescertainscale.Eachkindofapplicationmeetsthenatureproduction;thisalsoisso-calledstepsthecufflawmighttobeespecially.Inthehistoryonekindoftechnologysincebirthhasnotbeenhavingabigpileofapplicatio
5、n,regardlessofisthemobilecommunicationortheInternet,onitsshortnote,thebrowsing,thenetchatsandsoonthekeyapplicationsallisdevelopscertaindegreeaftertheuserscaletoproducenaturally,butisnotsedulouslydesignsbeforehandplans.Sincehasenteredforthe21stcentury,thewh
6、oleworldbroadbandaccessnetworkenteredthebigdevelopmentphase.To2004year'send,thetotalnumberofusersalreadyachieved150,000,000,becameintheelectricityreliablehistoricalaccounttodeveloponeofquickesttelecommunicationservices,andevenwasalsoquickerthanthemobileser
7、vice.Forexamplethewholeworldmobileservicefrom10,000,000developedto100,000,000hasspentfor5.5years,butthebroadbandaccessservicehasonlyusedfor3.5years.AccordingtotheIDCforecast,in2007theglobalwidebandtotalusermayachieve209,000,000,inwhich9.9,namelyabout20,000
8、,000usersforopticalfiberaccessnetwork.TheAsianandPacificarea,speciallySouthKorea'sandJapanwerethebroadbandaccessdeveloptheswiftestmostandviolentcountry,theSouthKoreanwidebandusertotalalreadybreakthrough10,000
