DOCSIS 2.0 vs DOCSIS 3.0 - Kuv Yuav Tau Txais Kuv Qhov Modem Cable?
Apr 22, 2017
DOCSIS 2.0 yog dab tsi?
Cia peb ua ntej tau txais DOCSIS sawv kev tawm ntawm txoj kev: DOCSIS txhais cov ntaub ntawv tshaj Cable Cable Interface Specification. Muaj tsib lub qauv ntawm cov qauv no, uas yog 1.0, 1.1, 2.0, 3.0 thiab qhov tseeb txheem 3.1.
Muaj thawj zaug tso tawm hauv xyoo 2001, DOCSIS 2.0 yog tam sim no zoo nkauj qub qauv. Txawm li cas los xij, nws tseem siv los ntawm qee tuam txhab cable, thiab nws tseem yuav muaj nyob rau hauv modems thoob plaws lub teb chaws.
DOCSIS pub rau qis qis qis txog 38Mbps thiab qis tshaj mus txog 27 Mbps. Tau kawg, txawm tias koj tau los yog tsis tau txais cov caij no yuav vam khom muaj ntau qhov sib txawv, tsis yog qhov tsawg tshaj plaws uas yog koj lub ISP.
DOCSIS 3.0 yog dab tsi?
DOCSIS 3.0 yog tus qauv uas tau tso ua ntej rau xyoo 2006. Tus txheej txheem pub ntau dua cov ntaub ntawv ceev thiab muaj xws li zoo meej rau kev siv internet niaj hnub no.
Qhov kev txhim kho loj tshaj plaws los ntawm DOCSIS 2.0 yog tias 3.0 pub kev sib txuas hauv cov channel, uas tso cai rau ob txoj kab (los yog ntau dua) los siv los yog cov upload channel. Los ntawm tsevneeg txuas ua ke, koj lub modem ua ob chav tus bandwidth muaj rau downloads lossis uploads.
Kuv Yuav Tau Txais Kuv Qhov Modem?
Thaum DOCSIS 3.0 puas yog zoo dua DOCSIS 2.0, txawm tias koj yuav tsum tau upgrade lossis tsis yuav nyob ntawm seb muaj pes tsawg tus qhob. Ua ntej, koj yuav tsum xyuas seb puas yog koj tus neeg muab kev pabcuam hauv internet tau txhawb DOCSIS 3.0 hauv cheeb tsam koj nyob. Thaum cov chaw feem ntau ua, tseem muaj qee thaj chaw uas tsuas yog siv DOCSIS 2.0 thiab li ntawd nws yuav tsis tsim nyog hloov kho koj lub modem.
Nqe lus nug tom ntej koj yuav tsum tau nug yog seb koj puas tau them rau qhov kev pabcuam uas yuav tsum tau ua DOCSIS 3.0. Yog tias koj nyob rau ntawm daim phiaj siv nyiaj (budget plan) uas tsis muaj kev kub ceev hauv internet, koj yuav pom tau tias tsis muaj cov ntsiab lus ntxiv rau qhov kev hloov tshiab tshaj vim tias qhov txuas ntxiv bandwidth yuav cia li mus pov tseg.
Ntawm qhov tod tes, yog tias koj them nyiaj rau kev siv internet thiab siv lub DOCSIS 2.0 modem, koj lub modem yuav zoo rau koj cov kev ceev internet. Hauv qhov no, nws yeej yog ib lub tswv yim zoo los hloov koj lub modem rau DOCSIS 3.0.
Ntxiv lus hu rau muag:
Bonnie Jia
Tus Thawj Coj Hauv Chaw Muag Khoom
DIBSYS Technologies Co., Ltd
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