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1、WidebandopticalfiberaccessnetworktrendofdevelopmentAuthor:LiuJinhaiarticlesource:Computeruniversaltime:2005-3-8Thisarticlefirstisbriefintroducedtheworldbroadbandaccessnetworkdevelopstheconditionandthemainapplication,nextnarratedthewidebandopticalfiberaccessnetwo
2、rkmerit.Withemphasishasoncemoreanalyzedthewidebandpoint-to-pointactiveEthernetopticalfibersystemandthewidebandtothepassiveopticalfibersystemcharacteristicandtheapplication.Meetsdownproposedourcountryopticalfiberaccessnetworksendschem.possibletosurmountAPON,BPONa
3、ndtheEPONstage,startsfromthewidebandpoint-to-pointEthernetopticalfibersystemandGEPON,finallyandeventransitstotheGPONstagepreliminaryidea.Finallyanalyzedtheopticalfibercommunicationstechnologytrendofdevelopmentfromeachangle.Thebroadbandaccessnetworkdevelopscondit
4、ionandmainapplicationInfact,lookingfromthetelecommunicationdevelopmenthistory,whenthenetworknumberofusersachievescertainscale.Eachkindofapplicationmeetsthenatureproduction;thisalsoisso-calledstepstheCufflawmighttobeatespecially.Inthehistoryonekindoftechnologysin
5、cebirthhasnotbeenhavingabigpileofapplication,regardlessofisthemobilecommunicationortheInternet,onitsshortnote,thebrowsing,thenetchatsandsoonthekeyapplicationsallisdevelopscertaindegreeaftertheuserscaletoproducenaturally,butisnotsedulouslydesignsbeforehandplans.S
6、incehasenteredforthe21stcentury,thewholeworldbroadbandaccessnetworkenteredthebigdevelopmentphase.To2004year'send,thetotalnumberofusersalreadyachieved150,000,000,becameintheelectricityreliablehistoricalaccounttodeveloponeofquickesttelecommunicationservices,andeve
7、nwasalsoquickerthanthemobileservice.Forexamplethewholeworldmobileservicefrom10,000,000developedto100,000,000hasspentfor5.5years,butthebroadbandaccessservicehasonlyusedfor3.5years.AccordingtotheIDCforecast,in2007theglobalwidebandtotalusermayachieve209,000,000,inw
8、hich9.9,namelyabout20,000,000usersforopticalfiberaccessnetwork.TheAsianandPacificarea,speciallySouthKorea'sandJapanwerethebroadbandaccessdeveloptheswiftestmostandviol
