Yuav ua li cas FTTX cov kev pabcuam ua haujlwm?
Kev txiav fiber ntau nqi $ 3,600 ib feeb hauv cov nyiaj tau rau cov neeg Asmeskas loj. Qhov ntawd yog $ 216,000 ib teev ntawm downtime -}}}}}}}}}}}}}}}}}}} Kev Fiber ntau yog kev txhim khu kev qha cov kev daws teeb meem tshaj plaws muaj. Qhov sib txawv ntawm kev nkag siab dab tsi FTTX cov kev pabcuam yeej xa tawm dab tsi thaum paub tias fiber ntau hauv koj lub network.
FTX tsis yog ib qho thev naus laus zis. Nws yog qhov chaw xa tawm qhov twg "x" cim tau li cas thiaj li ua tau kom haum rau koj lub tsev ua ntej hloov mus rau lwm yam- feem ntau yog tooj liab, coax, lossis wireless. Qee tus neeg siv tau txais cov fiber ntau rau lawv cov router. Lwm tus tau txais fiber ntau rau lub txee 300 metres deb, ces tooj liab rau qhov kawg ncab. Ob qho tib si hu nws "fiber hauv internet," tab sis qhov ua tau zoo sib txawv tuaj yeem tsoo 10 x hauv - ntiaj teb cov xwm txheej.
Lub lag luam FTTX FTTX tau txog $ 15.9 nphom hauv 2024 thiab cov phiaj xwm mus rau $ 24G kev loj hlob hauv lub nroog txawb rau 533, uas yog xav tau fiber ntau pob txha nraub qaum. Lub tsev hluav taws xob muaj. Qhov tsis meej pem yog dab tsi tshwm sim nyob rau hauv lub xeem ntawd - lossis kawg 100 meters.
Nkag Siab FTTX Cov Kev Pab Cuam: Vim li cas "X" Hloov Txhua Yam
FTTX Cov teeb tsa cais ua ob hom kev lag luam, tab sis kev lag luam tsis tshua muaj txiaj ntsig vim li cas qhov no tseem ceeb rau kev ua tau zoo.
Cov Fiber Ntau Fiber NtauNqa khob txhua txoj kev mus rau lub sij hawm txiav tawm. FTH (Fiber rau hauv lub tsev) muab cov kab ke ncaj qha rau thaj tsam ntawm chaw nyob, Fiber ntau rau thaj chaw ua haujlwm) pabcuam li ntawm daim pam vov ob qho tib si. Cov ntsiab lus no cog lus no rau tag nrho bandwidth muaj peev xwm ntawm fiber ntau optics.
Hybrid Fible LoadationsTerminate fiber ntau ua ntej mus txog tus neeg siv kawg. FTTN (Fiber rau ntawm) Chaw Tso Khoom Fiber Optic Rau Cov Zej Zog Cov Khaub Ncaws, Muaj Peev Xwm Mais Los Ntawm Cov Neeg Siv Khoom, nrog tooj liab ua tiav qhov kev sib txuas. FTTC (Fiber rau ntawm ntug kev) coj cov fiber ntau dua, feem ntau 300 metres lossis tsawg dua, tom qab ntawd hloov mus rau tooj liab lossis coax. Tus luv dua tus tooj liab khiav, ntau dua qhov ua tiav nrawm.
Ntawm no yog cov kev ua tau zoo ntawm pob tsuas Feem ntau: FTTC cov kev teeb tsa tau siv vstream, tab sis qhov dej ntws tsis tshua txaus siab heev thaum deb tshaj 100 meters. Koj cov neeg nyob ze 80 meters ntawm lub txee yuav tau txais 75 MBPs. Koj ntawm 150 metres yuav tau 35 MBPs. Cov phiaj xwm kev pabcuam qub, sib txawv sib txawv.
Lub Pon System: Sib Koom Tsis Paub
Feem ntau FTTX Cov Khoom Siv FTTX Siv cov khoom siv kho tshiab (pon) architecture, qhov twg "passive" txhais tau tias tsis muaj lub zog hluav taws xob ntawm tus cab kuj thiab koj thaj chaw. Lub teeb los ntawm ISP faib faib los ntawm passive spritters kom mus txog ntau cov neeg qhua tuaj noj mov, thiab lub teeb ntawm cov neeg siv khoom sib xyaw ua ke rau hauv ib fiber.
Tus qauv teeb tsa khiav zoo li no:
Nyob rau ntawm cov chaw nplooj ntawv cab kuj, ib txoj kab kho qhov muag lub davhlau ya nyob twg (OLT) hloov cov ntaub ntawv hauv cov paib ntawm cov wavelength. Rau feem ntau FTTX cov ntawv thov, cov dej sib kis tau siv 1490nm wavelength, thaum upstrailet siv 1310nming bidirectional kis tau ntau dhau los ntawm wavelength division multiplexing.
Lub teeb travels los ntawm fiber ntau rau lub passion optical splitter {}} kev sib txuas, txawm tias cov cai sib txuas, txawm tias muaj kev sib txuas rau kev gonpon. Txhua lub tsev tau txais lub chaw tsim hluav taws xob kho mob (ONT) lossis chav tsev txawb chaw (ONU) uas hloov hluav taws xob rau cov qauv Ethernet.
Lub ntes: koj tab tom qhia bandwidth. Lub Pon System Architecture muaj cov khoom loj muaj xws li OLT, OLT, thiab nthuav dav internet thiab kis tau cov fiber ntau cov network kev pabcuam FTTX kev pabcuam. If your neighborhood PON serves 32 homes on a 2.5 Gbps GPON downstream connection, evening Netflix hours could bottleneck everyone to 78 Mbps each-assuming equal distribution, which never happens.
Thev naus laus zis: tus ntaiv ceev
Pon tshuab hloov los ntawm cov neeg sib txawv, txhua qhov muaj bandwidth:
Gon (gigabit pon)Los ua tus ua haujlwm pib thaum nruab nrab - 2000s. Godon siv cov nthwv dej ntws ntws los ntawm 1310nm thiab ownstref yoj ntawm 1490nm, xa cov kab mob siab tshaj plaws ntawm 2.5 Gbps thiab ntau tshaj plaws nce nce nce los ntawm 1.25 gbps. Qhov qauv asympetric no xav txog qhov kev muaj tiag uas cov neeg feem ntau rub deb dua li lawv upload.
Xg {- pon (10 gigusit pon)tuaj txog raws li thawj 10g hloov kho. Xg {{- Pon muab 10Gbps downstream bandwidth, xws li tso tawm hauv tsheb thiab cov ntsiab lus robband. Lub asymmetry pheej yig vim tias cov qauv siv tau siv tsis tau hloov.
Xgs - pa (10 gigabab symmetrical pon)Hloov pauv qhov kev ua si xyoo 2016. Xgs - pon ua haujlwm hauv qab ntawm 1572nm, muab cov kev sib tw hauv qab ntuj, muab cov kev sib tw ua si nrog 10gbps rau ob qho tib si hauv qab. Cov teeb meem zoo no nce ntxiv raws li huab thaub qab, kev sib tham video, thiab cov ntsiab lus uas yuav tsum muaj muaj peev xwm hloov loj.
Lub wavelength qhov sib txawv tsis tseem tsis tseem ceeb. Vim tias txawv wavelength ranges, gppon tuaj yeem ua haujlwm tau ua haujlwm nrog tib lub khoos phis tawm, pub cov cuab yeej siv rau kev daws teeb meem. Cov neeg nqa khoom tuaj yeem hloov kho cov khoom muaj nqis hauv cov av muaj nqis yam tsis muaj kev hloov pauv txhua feem.
Xgs - Pon Tau nrov ntawm cov neeg nyob hauv Asmeskas raws li 2022, tab sis feem ntau ntawm cov gpon lossis hybrid xg- pa / gppon tes hauj lwm. Kev lag luam hais tias "10 gig fiber." Qhov kev xa tawm tiag tiag yuav xa 2.5 GBPS sib koom thoob 64 lub tsev.
Fiber ntau vs. tooj liab: cov phiaj xwm physics
Cov kev ua tau zoo sib txawv ntawm fiber ntau thiab tooj liab tsis yog marginal - nws yog exponentialential.
Tooj liab Cables txhawb nqa nrawm txog 10 GBPS tshaj qhov kev ncua deb, tab sis fiber ntau cov cable ua tiav 100 gbps thiab dhau mus deb dua. Kis tau kev nrawm nrawm txog 800 gbps hauv 2024 nrog kev kwv yees rau 1.6 TBPS. Lub cev txwv tsis pub sib txawv los ntawm kev txiav txim ntawm qhov ntau.
Cov phiajcim teeb meem qhia rau zaj dab neeg: Tooj hluav taws tau muaj teeb meem ntau zaus rau kev ncua deb, thaum muaj fiber ntau cov ntaub ntawv xa cov ntaub ntawv ntau ntawm ntau mais kev deb ntawm ntau qhov kev ncua deb ntawm kev ncua deb ntawm kev ua haujlwm tsis muaj teeb meem.
Cov kev sib txuas muaj fiber ntau muab tshaj 1,000 zaus ntau npaum li cas los tooj liab thiab tuaj yeem taug kev ntau dua 100 npaug. Ib qho bandwidth ib txwm {{4} Cov khoom nyob deb li cas rau ntau {} hom hom fiber ntau yog 500 me me} cov ntsiab lus ib 500 me me tuaj yeem kis tau 1 GHz. Twisted khub zoo rau cov ntaub ntawv siab xws li miv 6 tuaj yeem xa 500 MHz hla tsuas yog 100 meters.
Lub nrawm sib piv tau txais kev tshaj tawm tau cov txuj ci: Fiber Optics kis tau ntawm Speats tsuas yog 31% qeeb dua li lub teeb nrawm, thaum lub teeb nrawm dua li 1% ntawm lub teeb nrawm. Qhov no tsis yog hais txog kev ua lag luam specifications- Nws yog qhov tseem ceeb ntawm physics ntawm photons tiv thaiv tshuab hluav taws xob.
Qhov uas ib puag ncig ib puag ncig compound qhov sib txawv. Tooj liab cables muaj kev cuam tshuam rau hluav taws xob kev cuam tshuam uas tuaj yeem ua rau muaj teeb meem distortion thiab kev tiv thaiv cov ntaub ntawv muaj fiber ntau, muab cov ntaub ntawv sib txuam nrog hluav taws xob nrog cov khoom siv hluav taws xob muaj hluav taws xob muaj hluav taws xob muaj hluav taws xob muaj hluav taws xob muaj hluav taws xob muaj hluav taws xob muaj hluav taws xob muaj hluav taws xob siab.
Yuav ua li cas FTTX Cov Kev Pab Cuam Foob Erepmentment: Dab tsi tiag tau ua
Txoj kev tshawb fawb hais tias FTTX cov kev pabcuam xa tus qauv nrawm. Xyaum cuam tshuam nrog kev suav nrog ib tsev neeg dhau mus.
Ib qho ntawm cov teeb meem tsis nce loj tshaj plaws hauv FTHT kev npaj yog tus nqi siab ntawm qhov kawg {mile in txuas hauv nroog thiab sparsely populated chaw. Qhov kev ncua deb ntawm tsev thiab tus lej tsawg ntawm cov neeg yuav khoom muaj peev xwm ib kilometer ntawm fiber ntau ua rau nws muaj nyiaj txiag tsis txaus rau ntau lub network ua haujlwm. Kev Pab Cuam Hauv Nroog Ntiav Cov Kev Xa Mus Hauv Tebchaws los ntawm kev tswj hwm.
Kev ntsuas tau suav nrog cov tsev kev pabcuam kom muaj kev nthuav dav ntawm FTTX} Cov teeb meem hauv zos thiab kev sib txuas lus hauv nroog thiab kev sib koom tes rau kev tso cov nyiaj fiber ntau network. Carriers lub ntsej muag muaj kev tswj hwm kom ua kom haum rau fiber thaum lub nroog qeeb {2} Taug kev tso cai.
Tus nqi ntawm kev khawb nce txoj kev thiab khaws cov hluav taws xob fiber ntau tuaj yeem txwv tsis pub muaj qee kis, tshwj xeeb tshaj yog cov pej xeem muaj ntau yam. Ib qho kev daws teeb meem yog siv cov cuab yeej siv hluav taws xob uas twb muaj lawm xws li cov khoom siv hluav taws xob kom khiav fiber ntau cov cables. Aerial xa cov nqi tsawg dua tab sis tsim kev kho mob taub hau.
Fiber ntau lo hauj lwm tsis ua hauj lwm thiab txiav yog tib qho loj tshaj plaws ua rau ntawm cov network tawm thoob ntiaj teb, ua rau 30-feeb downtime ib qho xwm txheej. Hauv ib tus neeg Asmeskas pawg neeg Asmeskas 1 cov cab kuj, network Unavailustity yog muaj kev txiav fiber ntau yog {}} teev nyob rau ib xyoo. Nyob rau hauv Asmeskas, kev txiav fiber tshwm qab 25% ntawm tag nrho cov network tawm, nrog cov nqi kho tau ncav $ 75,000 rau ib mais.
Cov kev ua haujlwm kev coj ua tau pom dhau los. Qhov nyuaj ntawm Legacy Tooj Liab / Fiber Network cov ntaub ntawv cov ntsiab lus ntawm kev muab cov khoom sib tw ntawm lub cev tseem ceeb thiab cov haujlwm txhawb nqa, ob qho tib si kev xa tawm. Cov neeg muaj cuab yeej ua ncaus ntawm cov tsis muaj ntaub ntawv nthuav tawm tooj hluav taws lawv yuav tsum muaj qee yam nrog cov tes hauj lwm fiber ntau.
Cov hloov pauv zais ntawm kev hloov pauv
Cov ntaub ntawv lag luam tsom rau qhov siab tshaj plaws. Kev ua tau tiag tiag yog nyob ntawm cov neeg siv yam tsis tau yooj yim kos.
Phua Sib TwTxiav txim siab seb muaj pes tsawg tus neeg siv qhia rau lub pon. Txawm hais tias cov txheej txheem tso cai loj sib faib sib faib mus txog rau lub gpon, hauv kev coj ua kom haum nrog kev sib cais sib piv ntawm 1:64 lossis me dua. Koj tus cab kuj yuav tsis tuaj yeem pab lawv sib piv, tab sis nws piav qhia tias yog vim li cas tsaus ntuj qeeb.
Kev Siv Nyiaj Kho Mobcuam tshuam qhov siab tshaj plaws nrug thiab tus neeg siv suav. Pon Cov Qauv Kev Txhawb Nqa Cov Khoom Siv Kho Mob ntawm 29 DB rau 31 DB, nrog cov qauv hloov kho tshiab txuas ntxiv mus rau 33 DB thiab 35 DB cov kev faib tawm. Ib lub pon nrog 35 DB siv nyiaj kho tshiab tuaj yeem ua ntev 25 km thiab tau koom nrog 128 cov neeg rau npe. Siab dua cov nyiaj siv kho qhov muag ntau ntxiv rau kev sib cais ntau dua lossis ua kom ntev dua- Tus kws nqa khoom xaiv qhov twg los ua ntej.
Coastercacial Caiscuam tshuam bandwidth faib. Compatibility nrog cov kab lus tseem ceeb yuav tsum muaj kev sib tw nrog cov lej tooj los ntawm cov lej tooj los yog coaxial network. Npaj ua kev sib sau ua ke cov cuab yeej siv fiber ntau nrog cov txheej txheem txheej txheem uas twb muaj lawm thaum ua kom cov nyom kom zoo dua qub.
Dynamic bandwidth faibtxiav txim siab ncaj ncees. O O O O O O O O O O O O O O O O O O OLTS UPSSTREAM BANDWIDTH NYOB RAU TXHUA ONU TSHEB LAUS. OLT kev ua tiav cov txheej txheem ntawm lub sijhawm Slots raws li cov tsheb uas yuav tsum tau ua ntawm cov khoom sib txawv thiab ONU hom. Nyob rau hauv lub sij hawm slots faib rau XG - Pon interus, cov ntaub ntawv kis tus nqi yog 2.5gbps; Nyob rau hauv lub sij hawm slots faib rau xgs - pa onus, kis tus nqi yog 10GBps. Sib xyaw -} tiam network tsim kev faib cov nyom.
Ua kev txiav txim siab ntawm koj cov kev pabcuam
Kuaj seb koj puas muaj:
Saib koj ont. Cov cuab yeej uas converts fiber ntau rau etheret qhia tau pon tiam. GPon Maxes ntawm 2.5 GBPS dej ntws thoob plaws txhua tus siv ntawm koj lub Pon. Xgs - pa xa cov 10 gbps symmetrical tab sis tseem tsis tshua muaj xwm txheej nyob rau hauv cov chaw nyob.
Ntsuam xyuas upload ceev. Gonon muab cov asymmetric bandwidth nrog 2.5gbps ntau kawg downstream thiab 1.25gbps siab tshaj plaws ntws los. Yog tias koj cov kaus mom upload nyob ib ncig ntawm 35 - 40 Mbps ntawm "Gigabit" Txoj Kev Npaj, koj nyob ntawm Godon nrog Splect Splits. Qhov tseeb gigit-muaj peev xwm intrastrastrastrastrastrastrastrastrastras yuav tsum xa 100+ Mbps uploads.
Kuaj cov qauv pov tseg. Pon Architecture txhais tau tias koj qhia bandwidth nrog cov neeg nyob sib ze. Zoo ib yam yav tsaus ntuj qhia tau tias yog cov pons uas tsis nkag siab lossis kev sib cav sib npaug. Raws li cov neeg yuav tsum suav nrog FTTX cov neeg pabcuam nce ntxiv, qhov kev loj hlob ntawm kev nthuav dav optioning {}} uas txhais tau tias cov neeg nqa khoom sai dua li lawv hloov kho cov khoom siv ntxiv.
Nco ntsoov lub sij hawm txiav. "Fiber Internet" txhais tau tias ftth nrog cov iav ntshiab rau koj lub router, lossis FTTC nrog tooj liab npog qhov kawg 200 meters. Lub taub hau fiber ntau, cov nqi tsim kho thiab cov peev txheej siab dua. Yog tias koj cov installation suav nrog cov hlua nrog xov tooj sib txuas, koj tsis nyob ntawm fiber ntau.
Dab tsi ua rau FTTX ua haujlwm tau ua haujlwm
FTTX Ua kom tiav thaum xa cov khoom ua haujlwm ntawm kev siv rooj plaub.
Kev loj hlob siab hauv FTTX cov kev pabcuam ntawm 2020 thiab 2024 tau tsav los ntawm cov chaw ua haujlwm tej chaw taws teeb, huab kev me nyuam, thiab 5g nthuav dav. Telecom cov neeg ua hauj lwm tsom rau dov tawm fiber ntau rau hauv nroog thiab siab}}} pa thechnologies rau bodoDband nrawm. Hauv nroog ceev ceev qhia tshwj xeeb rau cov peev txheej peev nyiaj nqis peev.
Txij li 2025 txog 2035, kev ua lag luam yuav hloov mus rau-}}} kev siv nyiaj uas txo cov nqi ua haujlwm. Thev naus laus zis. Ua rau nws nyiaj txiag muaj txiaj ntsig zoo nyob rau hauv qis- qhov chaw tsis txaus ntseeg tseem muaj kev sib tw.
Tus nqi tswv yim hloov pauv. Kev siv dua tshiab nyiam ua haujlwm los ntawm tsev, kev kawm online, thiab kev sib txuas video rau ib qho: Seamless sib txuas yog tam sim no tsis {1} {sib ceg. Fiber ntau tsiv los ntawm cov khoom kim heev rau cov txheej txheem tsim nyog.
Tuam Tshoj tus "broadband Suav" lub tswv yim coj mus rau kev nqis peev ntau hauv FTH ua tes hauj lwm hauv FTH cov tes hauj lwm, ua rau nws lub khw muag FTTX loj tshaj plaws hauv ntiaj teb. Kaus lim qab teb ua tiav ze li ntawm cov kev pab fiber ntau hauv nroog loj. Tsoomfwv yuav tsum ua kom nrawm xa cov khoom siv nrawm dua li kev ua lag luam rog ib leeg.
Cov txuj ci roadmap cov ntsiab lus mus rau terit - muaj peev xwm network. Fiber - rau {{3} {{{} {} {} Lub Hoobkas siv, thiab ntug kev siv cov ntawv thov. Terit - Liber ntau cov tes hauj lwm yuav ua rau tsav digital hloov. Cov cuab yeej siv hluav taws xob raug tsa txhawb nqa ntau caum xyoo ntawm kev loj hlob.
Cov Lus Nquag Nug
Dab tsi yog qhov tseeb nrawm ntawm FTH thiab FTTC?
FTTH muab cov peev xwm fiber ntau ncaj qha rau koj thaj chaw- pansial ftth network, txawm tias feem ntau nyob ntawm ftth network, txawm tias feem ntau nyob ntawm ftth network, txawm tias feem ntau nyob ntawm ftth network, txawm tias feem ntau nyob ntawm ftth network, txawm tias feem ntau nyob hauv ftth network, txawm tias feem ntau nyob ntawm ftth network, txawm tias feem ntau nyob hauv ftth network, txawm tias feem ntau nyob hauv cov gon network nrog 2.5 Gbps nqes hav ntawm cov neeg siv 2.5 FTTC Terminates fiber ntau ntawm cov txee kev kev, ces siv vsl dua tooj liab dua li 100-300 meters. Ntu ntu no tsim cov bottulenck: nrawm poob los ntawm 80 MBPS kom deb li ntawm cov txee nce dhau 100 meters. Txawm tias FTC zoo meej FTTC tsis tuaj yeem sib phim ftth lub peev xwm vim tias tooj liab lub cev kev txwv lub cev qhov siab tshaj plaws.
Puas tuaj yeem muab cov kev pabcuam txhim kho kuv qhov kev sib txuas yam tsis muaj hloov cov txheej txheem?
Ib nrab. Pon Cov Cuab Yeej Tsim Kho Wavelength Division multivision multagexing, cia gpon thiab xgs - pon rau cov fiber ntau cov roj teeb. Cov kws khomob tuaj yeem hloov kho cov khoom siv OST ntawm lawv lub chaw thiab koj itt ntawm koj thaj chaw tsis muaj hloov lub fiber nws tus kheej. Txawm li cas los xij, kev sib cais sib piv txwv siab tshaj plaws ib {{}}}}}}} pon tau txais kwv yees li 35} Pon tau kwv yees li ntawm 35 xyoo ntawm qhov muaj peev xwm tshaj plaws. Lub ntsiab lus ceev nce ntxiv yuav tsum tau muab rho tawm sib faib (ntxiv cov pons ntxiv) lossis kev hloov kho ntxiv rau cov khoom siv tom ntej. Kev lag luam txhawb nqa cov kev hloov pauv hloov tshiab uas yooj yim software hloov pauv, tab sis physics txwv dab tsi tau muab fiber ntau tuaj yeem xa tau.
Yuav ua li cas kuv thiaj paub yog tias kuv ua tau muaj fiber - {1} {2} tsev?
Kuaj koj cov kev teeb tsa. Qhov tseeb ftth terminates nrog ib qho ont (kho qhov muag network davhlau ya nyob twg) uas lees txais fiber ntau cov tswv yim thiab tawm cov ething ethernet. Yog tias koj cov kev teeb tsa muaj kev sib txuas, xov tooj kab jacks, lossis DSL cov ntxaij lim dej, koj nyob ntawm hybrid fiber- tooj liab architecture. Ntsuam xyuas upload ceev: FTH ntawm gpon yuav tsum xa {{4 4} Mbps cov phiaj xwm, thaum FTTC / VDSL Caps uploads ncig 40 MBPS tsis hais txog kev tshaj tawm rub tawm. Hu rau koj tus kws khomob thiab tshwj xeeb nug seb koj pon tiam twg pab koj qhov chaw nyob thiab qhov uas fiber kev sim. "Fiber Is Taws Nem" yog kev ua lag luam. FTTH, FTB, lossis FTTC piav qhia txog cov txheej txheem tiag tiag.
Vim li cas yav tsaus ntuj ceev poob rau kev sib txuas nrog fiber ntau?
Pon Architecture Shares Bandwidth hla ntau tus neeg siv ntawm tib kho qhov muag txhais. Koj cov kev sib txuas fiber tsis tau muab fij rau - Nws tau faib ua ke los ntawm cov pas dej sib luag. Feem ntau cov pons ua haujlwm 32 {{}} 64 cov neeg rau npe sib koom 2.5 gbps (gbps (xgps (xgps (x Thaum ntau cov neeg zej zog ua liaj ua teb ib txhij nyob rau yav tsaus ntuj, sib sau ua ke ntau tshaj muaj bandwidth. Cov kws zov me nyuam etersubscribe pons raws li cov kev siv nruab nrab, tsis yog lub ncov siab. The solution is reducing split ratios or upgrading to higher-capacity PON generations, but carriers prioritize adding subscribers over upgrading existing infrastructure. Koj tus kheej kev sib txuas tau zoo-cov kev sib koom nrog cov pa hluav taws xob txig ua rau kev ua rau qeeb.
Kuv puas xav tau xgs - pon rau yav tom ntej- ua pov thawj?
Nyob ntawm cov qauv siv. Xgs - pa xa cov kab mob symmetrical 10 gbps, tab sis tus neeg siv khoom siv tiag yog faib sib faib. Feem ntau cov kev pab nyob hauv lub zos tseem yog rub tawm- hnyav, ua rau ggon tsim nyog rau streaming, nrhiav, thiab rub tawm. Xgs {- pa taws rau cov ntsiab lus creator, cov neeg siv huab hnyav los siv cov ntaub ntawv loj tsis tu ncua. Txawm li cas los xij, xgs - pon infrastructure export sib piv thaum tswj hwm ib puag ncig zoo li cov neeg nyob ze ntxiv cov neeg ua haujlwm ntxiv rau cov neeg ua haujlwm ntxiv. Yog xaiv ntawm cov muab kev pabcuam, xgs- pa tawm tswv yim ntau dua {
Dab tsi ua rau tus nqi loj sib txawv ntawm cov nroog loj thiab nyob hauv nroog fiber ntau?
Kev Siv Hluav Taws Xob nrog ntom. Cov neeg xa xov xwm hauv nroog yuav kis tau 200 lub tsev ntawm fiber ntau, kis tus nqi siv thoob plaws ntau tus neeg tau txais cov neeg tuaj yeem hla ntau tus neeg siv khoom. Cov thaj chaw deb nroog yuav dhau 5-10 lub tsev ib mais. Trenching raug nqi $ 30,000-75,000 ib mais tsis hais tus neeg yuav suav. Kev lag luam ua haujlwm tsuas yog thaum cov neeg siv txaus rau ib mais offset cov nqi sib luag. Ib qho ntxiv, cov neeg xa khoom nyob deb nroog ntsej muag ntev dua ntawm cov nodes, uas yuav tsum muaj ntau cov khoom siv rau cov cim kev ncaj ncees. Tsoomfwv cov nyiaj pab txhawb teev cov sib txawv no, tab sis cov nqa khoom zam cov kev ntsuas muaj fiber ntau yam tsis muaj cai. Kev xa tawm cov nqi hluav taws xob uas twb muaj lawm txo cov nqi tab sis yuav tsum tau saib xyuas cov tswv ntawm huab cua.
Hauv qab kab
FTTX piav qhia pes tsawg kawg mus txog koj, tsis yog nws muab cov fiber ntau. FTH coj khob rau koj thaj chaw. FTTC nres ntawm ntug kev. FTTN cov lus xaus ntawm cov zej zog. Txhua qhov kev teeb tsa kev teeb tsa raug nqi tiv thaiv muaj peev xwm.
Pon Architecture txhais tau tias koj qhia bandwidth nrog cov neeg nyob sib ze los ntawm passive optical cleacters. GPon Plotocates 2.5 Gbps DownStream Hla feem ntau 32 {4 4}} 64 cov neeg siv. XGS-Pon muab 10 Gbps symmetrical tab sis tseem muaj cov peev txheej tshiab thiab cov kev pabcuam lag luam. Lub "gigus fiber" ua lag luam rau cov neeg muas zaub uas muaj chaw nyob ntau zaus sau ntawm GPON tshuab splitting muaj peev xwm ntau txoj hauv kev.
Fiber ntau dua tus tooj liab yog qhov tseem ceeb physics - sib xyaw ua ke 100 x ntau dua. Tab sis kawg {{{{{}} mch kile architecture txiav txim siab seb koj puas nkag mus rau lub peev xwm ntawd. Hybrid Fas - tooj liab teeb tsa cov kev txwv tsis pub siv tsis hais cov peev xwm fiber ntau.
Kev xa tawm cov kev muaj tseeb muaj kev suav ib yim neeg dhau mus, kev tswj hwm rau kev ua haujlwm thoob ntiaj teb, thiab kev nyuaj ua ke nrog cov khoom lag luam ntawm cov legacy. Cov ntaub ntawv hauv nroog loj yuav tau them cov fiber ntau los ntawm tsoomfwv yuam kev, tsis yog kev ua lag luam kev lag luam.
Txheeb xyuas koj cov cuab yeej tiag tiag: ont tiam, sib faib ua ke, kev sib cais, thiab upload cov ntsiab lus qhia seb "Facebook tau txhais tau tias yog FTTH lossis Hybrid FTTC. Cov thev naus laus zis tshwm sim kom xa cov pob tshab mult - gigabit ceev. Txawm hais tias koj qhov chaw nyob tau txais lub tsev hluav taws xob yog nyob ntawm kev ua kom qis dua thiab kev tswj hwm.
Cov kev pabcuam FTTX yuav txuas ntxiv mus ntxiv rau kev nce siab-}}}}}}}}}}}}}}} Cov kev ua lag luam network ntawm cov kev pab cuam deb. Cov fiber ntau tau txhawb kev txhawb nqa ntau caum ntawm kev loj hlob. Nkag siab txog qhov koj yeej muaj teeb meem ntau dua li kev cog lus kev lag luam.
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