Hauv kev sib txuas lus niaj hnub siv thev naus laus zis, ONTs (Optical Network Terminals) thiab routers yog cov khoom siv tseem ceeb, tab sis lawv txhua tus ua haujlwm sib txawv thiab tsim nyog rau cov xwm txheej sib txawv. Hauv qab no, peb yuav sib tham txog qhov sib txawv ntawm ob qho tib si hauv daim ntawv thov scenarios los ntawm cov kws tshaj lij, nthuav dav thiab nkag siab yooj yim.
Ua ntej tshaj plaws, ONT yog lub luag haujlwm tseem ceeb rau kev nkag mus rau network ntawm "qhov rooj". Thaum kho qhov muag fiber ntau txuas los ntawm tus neeg teb xov tooj hauv chav tsev computer mus rau koj lub tsev lossis chaw ua haujlwm, ONT yog "tus neeg txhais lus" uas hloov cov teeb liab hluav taws xob kub ceev rau hauv cov teeb liab digital uas peb tuaj yeem nkag siab thiab siv tau. Ua li no, koj lub computer, xov tooj ntawm tes thiab lwm yam khoom siv tuaj yeem txuas rau Is Taws Nem thiab txaus siab rau lub ntiaj teb digital.
Lub luag haujlwm tseem ceeb ntawm ONT yog hloov cov teeb liab kho qhov muag rau hauv cov teeb liab digital thaum kawg ntawm kev nkag mus rau hauv lub network. Nws feem ntau yog ntsia rau hauv cov neeg siv thaj chaw (xws li tsev, chaw ua haujlwm, thiab lwm yam) thiab txuas ncaj qha rau cov neeg siv khoom siv. Yog li, daim ntawv thov scenarios ntawm ONT feem ntau yog tsom rau hauv fiber-to-the-tsev (FTTH) ib puag ncig, muab cov neeg siv nrog kev pabcuam siab ceev thiab ruaj khov hauv Internet.
Ib lub router tuaj yeem muab piv rau "lub hlwb" ntawm lub tsev lossis kev lag luam network. Tsis tsuas yog nws lub luag haujlwm rau kev txuas ntau yam khoom siv rau lub network, nws tseem txiav txim siab qhov twg cov ntaub ntawv yuav tsum tuaj ntawm thiab qhov twg nws yuav tsum mus.Routersmuaj cov kev ua haujlwm nyuaj uas tuaj yeem xaiv txoj hauv kev zoo tshaj plaws los xa cov ntaub ntawv los ntawm ib lub network node mus rau lwm qhov raws li network topology thiab kev sib txuas lus raws tu qauv. Qhov no zoo li tus thawj coj tsav tsheb ntse uas tuaj yeem ua kom paub tseeb tias cov tsheb khiav (cov ntaub ntawv pob khoom) hauv lub network yog du thiab yuav tsis muaj tsheb thauj mus los (network congestion).
Tsis tas li ntawd, lub router tseem muaj qhov chaw nyob hauv network txhais lus (NAT) muaj nuj nqi, uas tuaj yeem hloov pauv ntawm tus IP chaw nyob thiab cov chaw nyob IP pej xeem, muab cov neeg siv nrog kev ruaj ntseg network ib puag ncig. Nyob rau tib lub sijhawm, lub router tseem tuaj yeem tswj hwm kev sib txuas hauv network thiab kev faib tawm bandwidth kom ntseeg tau tias txhua lub cuab yeej tuaj yeem tau txais cov peev txheej hauv network txaus thiab yuav tsis muaj "network grabbing".
Yog li ntawd, daim ntawv thov scenarios ntawm routers yog ntau dua, tsis tsuas yog haum rau hauv tsev network, tab sis kuj dav siv nyob rau hauv tsev kawm ntawv, lag luam, cov ntaub ntawv chaw zov me nyuam thiab lwm qhov chaw uas network interconnection, kev tswj thiab tswj yuav tsum tau.
Hauv cov ntsiab lus, qhov sib txawv tseem ceeb hauv daim ntawv thov scenarios ntawm ONTs thiab routers yog ONTs feem ntau yog siv rau optical fiber nkag network, hloov kho qhov muag teeb liab rau hauv cov teeb liab digital, thiab muab cov neeg siv nrog kev pabcuam siab ceev thiab ruaj khov hauv Internet; Thaum cov routers siv rau kev sib txuas thiab Tswj cov khoom siv sib txawv ntawm lub network, muab kev sib txuas hauv network ruaj khov thiab kev tswj xyuas network zoo, thiab xyuas kom meej tias cov ntaub ntawv hauv lub network tuaj yeem sib kis tau zoo thiab nyab xeeb.
CeiTaTech cov khoom sib txuas lusONT (ONU)Tsis tsuas yog siv los ua cov khoom siv hloov kho qhov muag rau hauv cov teeb liab digital los muab kev pabcuam siab ceev thiab ruaj khov hauv Is Taws Nem, tab sis kuj tseem tuaj yeem siv los ua lub router txuas thiab tswj cov khoom siv sib txawv, muab kev sib txuas hauv network ruaj khov thiab ua haujlwm siab. kev tswj xyuas network. Ib qho khoom siv, ob qho tib si siv.
Lub sij hawm xa tuaj: Plaub Hlis-29-2024
