Dab tsi yog Txoj Kab Leased hauv Networking?

Cov txheej txheem:

Dab tsi yog Txoj Kab Leased hauv Networking?
Dab tsi yog Txoj Kab Leased hauv Networking?
Anonim

Ib kab xauj, tseem hu ua kab mob siab rau, txuas ob qhov chaw rau kev sib txuas lus ntiag tug thiab / lossis cov ntaub ntawv kev pabcuam. Ib txoj kab xauj tsis yog ib qho kab mob siab; nws yog ib tug reserved circuit ntawm ob lub ntsiab lus. Cov kab xauj tsev yeej ib txwm ua haujlwm thiab muaj rau tus nqi them txhua hli.

Leased kab tuaj yeem ncua luv lossis ntev. Lawv tuav ib lub voj voog qhib txhua lub sijhawm, tsis yog cov kev pabcuam hauv xov tooj ib txwm siv rov qab siv tib cov kab rau ntau qhov sib tham los ntawm tus txheej txheem hu ua hloov.

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Cov kab Leased siv rau dab tsi?

Leased kab feem ntau yog xauj los ntawm cov lag luam los txuas cov ceg haujlwm ntawm lub koom haum. Leased kab lav bandwidth rau network tsheb khiav ntawm qhov chaw. Piv txwv li, T1 cov kab xauj muaj ntau thiab muab cov ntaub ntawv tib yam li symmetric DSL.

Cov tib neeg muaj peev xwm theoretically xauj cov kab xauj tsev rau kev siv internet ceev ceev, tab sis lawv cov nqi siab ua rau cov neeg feem coob, thiab cov kev xaiv tsev pheej yig dua muaj nyob nrog cov bandwidth siab dua li cov xov tooj yooj yim dial-up, suav nrog cov tsev nyob DSL thiab cable internet broadband kev pab.

Fractional T1 kab, pib ntawm 128 Kbps, txo tus nqi no me ntsis. Lawv tuaj yeem pom hauv qee lub tsev tsev thiab tsev so.

Siv Virtual Private Network (VPN) yog lwm txoj hauv kev siv cov kab xauj tsev. VPNs tso cai rau ib lub koom haum los tsim kev sib txuas virtual thiab ruaj ntseg ntawm cov chaw thiab nruab nrab ntawm cov chaw thiab cov neeg nyob deb xws li cov neeg ua haujlwm.

Broadband Internet Services

Rau cov neeg siv khoom uas tab tom nrhiav kev nkag mus rau hauv is taws nem, kab xauj tsev feem ntau tsis yog qhov ua tau. Muaj kev sib txuas hauv internet ceev ceev uas pheej yig dua.

Nkag mus rau cov kev pabcuam broadband no txawv nyob ntawm qhov chaw. Feem ntau, qhov deb ntawm thaj chaw muaj neeg nyob uas koj nyob, muaj tsawg dua kev xaiv dav dav.

Kev xaiv dav dav muaj rau cov neeg siv khoom suav nrog:

  • Digital Subscriber Lines: DSL kev pabcuam siv cov xov tooj uas twb muaj lawm los xa cov kev pabcuam dav dav. Kev pabcuam hauv xov tooj tsis siv tag nrho cov peev txheej ntawm lub xov tooj ntawm cov xov tooj ntawm cov xov tooj ntawm cov xov tooj, thiab DSL siv qhov chaw dawb.
  • Cable Modems: Kev pabcuam Cable sawv cev rau lwm cov xaim uas twb muaj lawm rau hauv ntau lub tsev. Lub coaxial cable yog siv los nqa cov teeb liab broadband internet ntxiv.
  • Wireless Broadband: Wireless Broadband siv xov tooj cua txuas ntawm tus neeg siv qhov chaw thiab qhov chaw muab kev pabcuam. Qhov ntau yog txwv, ua kom muaj tsawg dua thiab.
  • Wireless Cell Xov tooj Internet: Kev pabcuam dav dav feem ntau muaj siv cov xov tooj ntawm tes uas feem ntau siv los ntawm smartphones. Txawm hais tias tsis ceev npaum li DSL lossis cable thiab kim yog tias koj siv cov ntaub ntawv siab, qhov kev xaiv no nrawm dua li hu rau cov neeg siv khoom nyob deb nroog.
  • Satellite Broadband: Satellite broadband kev pabcuam yuav yog qhov kev pabcuam dav dav nkaus xwb muaj nyob rau hauv cov chaw nyob deb nroog. Cov kev pabcuam feem ntau nrog cov kev pabcuam satellite TV thiab siv tib lub receiver rau rub tawm. Qhov ceev tsis yog ceev npaum li lwm cov kev pabcuam, tab sis nws tseem nrawm dua li kev pabcuam hu xovtooj. Lub ntsiab downside yog tus nqi tag rau cov khoom siv thiab kev pabcuam.

FAQ

    Lub npe ntawm lub cuab yeej uas txiav tawm ib qho kev cog lus qiv hluav taws xob yog dab tsi?

    Ib qhov chaw pabcuam channel / chav pabcuam cov ntaub ntawv (CSU / DSU) yog qhov yuav tsum tau siv thaum siv cov kev pabcuam tshwjxeeb vim nws txiav kev sib txuas ntawm lub cev. Yog li ntawd, CSU / DSUs tau nce ntxiv rau hauv T1 Routers.

    Dab tsi yog txiaj ntsig ntawm kev siv cov kab xauj tsev?

    Qhov txiaj ntsig tseem ceeb ntawm kev lag luam uas siv cov kab xauj tsev tshwj xeeb yog tias nws tsis qhia nws txoj kev sib txuas hauv internet. Raws li qhov tshwm sim, cov neeg siv cov kab xauj tsev txaus siab rau cov bandwidth ruaj khov yam tsis muaj qhov hloov pauv.

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