5G, cov ntaub ntawv loj, kev txawj ntse txawj ntse thiab lwm yam thev naus laus zis muaj cov kev xav tau siab dua rau kev ua cov ntaub ntawv thiab lub network bandwidth. Cov chaw zov me nyuam yuav tsum tau ua kom zoo dua qub network bandwidth kom tau raws li qhov yuav tsum tau ua. Internet cov chaw zov me nyuam.Qhov ncaj qha tshaj plaws los ua kom lub network bandwidth yog nce ib qhov chaw nres nkoj network bandwidth los ntawm 40G mus rau 100G, los ntawm 100G mus rau 200G, los yog ntau dua, yog li ua kom cov bandwidth ntawm tag nrho cov ntaub ntawv center. Cov kws tshaj lij tau kwv yees tias feem ntau 400GbE Kev xa tawm yuav pib xyoo 2019. 400GbE cov keyboards yuav siv los ua tus txha nraub qaum lossis cov tub ntxhais hloov pauv rau cov ntaub ntawv loj heev, nrog rau cov pob txha caj qaum lossis cov pob txha caj qaum rau cov chaw ntiag tug thiab pej xeem huab, paub tias 100G kuj nrov.Hauv peb lub xyoos dhau los, tam sim no nws yog qhov yuav tsum tau hloov mus rau 400G, thiab lub network bandwidth tau nce nrawm dua thiab nrawm dua.
Ntawm qhov tod tes, muaj qhov xav tau muaj zog rau high-speed modules nyob rau hauv cov ntaub ntawv chaw, thiab ntawm qhov tod tes, qhov module tsis ua hauj lwm tus nqi yog siab.Piv rau 1G, 10G, 40G, 100G los yog txawm 200G, qhov intuitive tsis ua hauj lwm tus nqi. yog ntau dua.Tau kawg, cov txheej txheem complexity ntawm cov high-ceev modules yog ntau dua li ntawm tsawg-ceev modules.Piv txwv li, 40G optical module yog qhov tseem ceeb ua ke los ntawm plaub 10G raws.Nyob rau tib lub sijhawm, nws yog sib npaug rau plaub 10Gs ua haujlwm, tsuav yog muaj teeb meem.Tag nrho 40G tsis tuaj yeem siv tau lawm, thiab tus nqi tsis ua haujlwm yog qhov tseeb siab dua 10G, thiab cov khoom siv kho qhov muag xav tau kev sib koom tes ua haujlwm ntawm plaub txoj kev kho qhov muag, thiab qhov tshwm sim ntawm qhov yuam kev yog ib txwm siab dua.Lub 100G yog ntau dua li, qee qhov raug khi los ntawm 10 10G channels, thiab qee qhov siv cov cuab yeej kho qhov muag tshiab, uas yuav ua rau muaj kev ua yuam kev.Lub 100G tseem ntau dua, qee qhov raug khi los ntawm 10 10G raws, thiab qee qhov siv cov tshuab kho qhov muag tshiab, uas yuav ua rau muaj peev xwm nce ntxiv. ntawm qhov yuam kev.Tsis hais txog qhov nrawm dua, qhov kev ua tiav ntawm kev ua haujlwm tsis siab, zoo li 400G tseem yog cov thev naus laus zis hauv chav kuaj, nws yuav raug qhia rau kev lag luam hauv xyoo 2019, yuav muaj qhov kawg me me ntawm qhov tsis ua haujlwm, tab sis tus nqi tsis yog thaum pib.Yuav muaj ntau, thiab raws li kev siv tshuab txuas ntxiv txhim kho, kuv ntseeg tias nws yuav ruaj khov raws li qhov kev hais lus tsis zoo.Xav txog qhov tau txais 1G optical module ntawm GBIC 20 xyoo dhau los.Nws zoo ib yam li kev xav ntawm kev siv 200G tam sim no.Nws yog inevitable uas cov khoom tshiab yuav nce nyob rau hauv tsis ua hauj lwm tus nqi nyob rau hauv lub sij hawm luv luv.
Hmoov zoo, qhov txhaum ntawm qhov kho qhov muag module muaj qhov cuam tshuam tsawg dua rau cov kev pabcuam.Cov kev sib txuas hauv cov chaw khaws ntaub ntawv tau rov ua dua.Yog tias ib qho txuas optical module muaj teeb meem, qhov kev pabcuam tuaj yeem nqa lwm qhov txuas.Yog tias nws yog CRC pob ntawv yuam kev, nws tuaj yeem dhau los ntawm kev tswj hwm lub network.Tam sim ntawd pom tias cov txheej txheem hloov pauv tau ua tiav ntxov, yog li qhov kho qhov muag module tsis tshua muaj kev cuam tshuam loj rau kev lag luam.Muaj tsawg zaus, qhov kho qhov muag module yuav ua rau lub chaw nres nkoj tsis ua haujlwm, uas yuav ua rau tag nrho cov cuab yeej dai.Qhov xwm txheej no feem ntau tshwm sim los ntawm kev siv cov cuab yeej tsis tsim nyog, thiab tsis tshua muaj tshwm sim.Nruab nrab ntawm feem ntau optical modules thiab cov khoom siv yog Loosely coupled, txawm tias txuas ua ke, tsis muaj kev sib txuas.Yog li ntawd, txawm hais tias kev siv high-speed optical modules yog ntau dua thiab tsis zoo, qhov cuam tshuam rau kev lag luam tsis zoo heev.Feem ntau, nws yuav tsis nyiam cov neeg nyiam.Nws tau pom tias qhov txhaum yog hloov ncaj qha, thiab lub sijhawm txij nkawm ntawm qhov kev kub ceev optical module kuj ntev.Qhov txhaum yog qhov pib dawb.Hloov, qhov poob tsis loj.
Qhov txhaum ntawm qhov kho qhov muag module feem ntau yog tshwm sim los ntawm qhov tsis ua hauj lwm ntawm qhov chaw nres nkoj yuav tsum tau nce, qhov kho qhov muag module yuav tsis paub, thiab qhov yuam kev ntawm qhov chaw nres nkoj CRC.Cov faults no muaj feem xyuam rau sab ntaus ntawv, qhov kho qhov muag module nws tus kheej, thiab qhov txuas zoo, tshwj xeeb tshaj yog cov lus tsis raug thiab tsis ua hauj lwm rau UP.Txiav txim siab qhov chaw ntawm qhov txhaum los ntawm software technology.Qee qhov tseem yog qhov teeb meem ntawm chav kawm adaptation.Tsis muaj teeb meem ntawm ob tog, tab sis tsis muaj kev debugging thiab adaptation ntawm lawv, uas ua rau nws tsis yooj yim sua kom ua hauj lwm ua ke.Qhov xwm txheej no tseem muaj ntau heev, yog li ntau lub network pab kiag li lawm yuav muab kev yoog raws.Daim ntawv teev cov khoom siv kho qhov muag xav kom cov neeg siv khoom siv lawv tus kheej hloov kho qhov muag modules kom ntseeg tau tias muaj kev ruaj ntseg.Yog tias muaj qhov ua yuam kev, txoj kev zoo tshaj plaws tseem yog kev sib hloov kev xeem, hloov txuas txuas optical fiber, hloov module, hloov chaw nres nkoj, los ntawm cov kev xeem no kom paub meej. Txawm hais tias nws yog qhov teeb meem kho qhov muag, lossis qhov teeb meem txuas lossis cov khoom siv chaw nres nkoj, hmoov zoo, feem ntau qhov kev ua txhaum ntawm qhov tshwm sim no yog qhov tseeb, nws nyuaj rau kev cuam tshuam nrog qhov zoo li qhov tshwm sim txhaum cai tsis raug kho.Piv txwv li, yog tias muaj CRC. pob ntawv tsis raug ntawm qhov chaw nres nkoj, qhov kho qhov muag module yuav ncaj qha rub tawm thiab hloov nrog ib qho tshiab.Qhov tshwm sim txhaum yuav ploj mus, thiab tom qab ntawd tus thawj optical module yuav raug hloov thiab qhov txhaum yuav tsis rov ua dua, uas ua rau nws nyuaj rau txiav txim seb nws puas yog qhov teeb meem kho qhov muag lossis tsis yog.Qhov teeb meem no feem ntau ntsib hauv kev siv tswv yim, uas ua rau nws nyuaj rau kev txiav txim.
Yuav ua li cas txo qhov tsis ua hauj lwm ntawm lub teeb modules?Ua ntej, them nyiaj tshwj xeeb rau qhov chaw, siab dua bandwidth ntawm lub teeb module tsis txhob dhia mus rau hauv kev ua lag luam, ua kom tag nrho cov kev sim, thiab cov module xav tau cov khoom siv, paub txog cov tswv yim no kuj yuav tsum tau ua kom zoo rau cov laus, cov qauv tshiab kom ntseeg tau yooj yim rau hauv kev ua lag luam, tsis yog tsuas yog nrhiav kev kub ceev, cov khoom siv network tam sim no txhawb ntau qhov chaw nres nkoj, tsis yog 400 g, bundled nrog plaub 100 g kuj tuaj yeem ua tau raws li qhov yuav tsum tau ua. Thib ob, peb yuav tsum xyuam xim rau kev taw qhia ntawm kev kub ceev optical. modules.Cov neeg siv khoom siv network thiab cov neeg siv khoom siv cov ntaub ntawv yuav tsum tau ceev faj hauv kev qhia txog kev kub ceev kho qhov muag modules, nce qhov kev ntsuam xyuas nruj ntawm kev kub ceev optical modules, thiab txiav txim siab lim cov khoom tsis zoo hauv cov khoom zoo.Tam sim no, kev lag luam kev sib tw rau high-speed optical modules yog nruj heev.Lawv txhua tus cia siab tias yuav txeeb lub sijhawm nyob rau hauv cov tshiab high-ceev modules, tab sis qhov zoo thiab tus nqi tsis sib xws.Qhov no xav kom cov neeg muag khoom siv khoom siv network thiab cov neeg siv khoom siv cov ntaub ntawv kom nce lawv cov kev ntsuam xyuas.Qhov siab dua tus nqi ntawm cov module, qhov ntau qhov nyuaj ntawm cov ntaub ntawv pov thawj.Qhov thib peb, qhov kho qhov muag module ua tau yog ib qho cuab yeej uas muaj kev sib koom ua ke tshwj xeeb.Qhov nthuav tawm fiber ntau channel thiab cov khoom siv sab hauv yog qhov tsis yooj yim.Thaum siv nws, nws yuav tsum tau ua tib zoo saib xyuas, nrog rau cov hnab looj tes huv si kom tsis txhob poob rau hauv cov plua plav, uas tseem yuav txo tau Kev siv tus nqi tsis ua haujlwm, cov khoom siv kho qhov muag tsis siv yuav tsum tau nruab nrog lub hau fiber ntau thiab muab tso rau hauv lub hnab.Fourth, qhov kev txwv tsis pub siv. tsawg li tsawg tau, xws li 100 g ntawm lub teeb module siv nyob rau hauv cov ntaub ntawv ntawm ze rau qhov ceev txwv thiab ntev, 200 meters deb lub teeb module, thiab yuav tsum tau siv nyob rau hauv lub 200 - meter nrug, cov nqi txwv no Kev siv cov khib nyiab ntawm qhov kho qhov muag yog qhov loj dua, ib yam li tib neeg, tib neeg ua haujlwm hauv chav cua txias ntawm 24 ~ 26 degrees, kev ua haujlwm siab, nyob rau hauv qhov kub ntawm 35 degrees sab nraum ib puag ncig, kev mloog tsis tuaj yeem tsom mus ntev. lub sij hawm, kev ua hauj lwm efficiency tsawg heev, nyob rau hauv ntau tshaj 40 degrees, cov neeg tuaj mus rau lub tshav kub kuj yuav ua li cas mus ua hauj lwm.Muab qhov chaw xis nyob rau qhov kho qhov muag module tuaj yeem ua tau zoo rau kev pab cuam lub neej ntawm optical module.
Nrog rau kev loj hlob ntawm cov ntaub ntawv loj, qhov kev thov bandwidth ntawm cov chaw zov me nyuam tau txais ntau dua thiab siab dua, thiab cov kev taw qhia ntawm cov khoom siv kho qhov muag ceev tau dhau los ua tib txoj hauv kev los tswj qhov zoo.Yog tias cov tshiab high-speed modules tsoo ib phab ntsa ntau zaus hauv. kev ua lag luam, lawv yuav raug tshem tawm.Tau kawg, txhua lub tshuab tshiab muaj cov txheej txheem paub tab, kev kub ceev kho qhov muag module tsis muaj qhov tshwj xeeb, xav tau txuas ntxiv thev naus laus zis tshiab, daws ntau yam teeb meem, txhim kho module zoo, txo qhov ua tsis tiav.Kev kub ceev lub teeb module yog cov txiaj ntsig cav ntawm module manufacturers, thiab nws yog qhov chaw tseem ceeb rau module manufacturers hauv yav dhau los dynasties.