Puas yog Ethernet siv CSMA CA?

Video: Puas yog Ethernet siv CSMA CA?

2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47

Carrier-sense ntau nkag nrog kev sib tsoo nrhiav pom ( CSMA / CD ) yog ib txoj kev tswj hwm kev nkag mus rau hauv xov xwm (MAC) uas siv tshwj xeeb tshaj yog thaum ntxov Ethernet technology rau kev sib tham hauv cheeb tsam. Nws siv carrier-sensing kom ncua kev sib kis mus txog thaum tsis muaj lwm qhov chaw nres tsheb sib kis.

Tom qab ntawd, ib tus tuaj yeem nug, vim li cas CSMA CA siv rau wireless LAN?

Qhov no yog vim CSMA / CD cov xwm ntawm ' mloog ' yog qhov nruab nrab yog dawb ua ntej xa cov pob ntawv. Yog li ntawd, CSMA / CA yog siv ntawm wireless networks . CSMA / CA tsis pom kev sib tsoo (tsis zoo li CSMA / CA ) tab sis theej zam lawv los ntawm kev siv cov lus tswj hwm.

Kuj Paub, CSMA CA siv qhov twg? CSMA / CA yog siv nyob rau hauv wireless tes hauj lwm los tiv thaiv kev sib tsoo los ntawm kev tshuaj xyuas seb lub channel puas ua haujlwm ua ntej xa ib pob ntawv. Kev sib tsoo tseem tuaj yeem tshwm sim hauv wireless network, vim tias ob lub cuab yeej sim nkag mus rau qhov chaw nkag mus rau tib lub sijhawm ua rau muaj kev sib tsoo thaum ob leeg tau tso cai siv tib lub channel.

Ib yam li ntawd, tib neeg nug, vim li cas CSMA CD tsis siv hauv Gigabit Ethernet?

Teb Chaws Asmeskas: Vim li cas peb tsis xav tau CSMA / CD raws tu qauv hauv Fast/ Gigabit Ethernet /10 Gigabit Ethernet uas ua haujlwm ntawm full-duplex hom? Txij li thaum cov chaw nres nkoj nyob hauv tag nrho duplex, txhua lub cuab yeej tuaj yeem xa mus rau lwm tus tib lub sijhawm. Muaj tsis muaj thib peb ntawm ntu los tsim kom muaj kev sib tsoo sib kis.

Yuav kuaj pom kev sib tsoo hauv Ethernet li cas?

Hauv Ethernet terminology, ib kev sib tsoo tshwm sim thaum peb ob leeg hais ib zaug. Thaum chaw nres tsheb ntes a kev sib tsoo , lawv tso tseg kev sib kis, tos ib lub sij hawm random, thiab sim kis thaum lawv rov ntes ntsiag to ntawm nruab nrab. Kev tshaj tawm. Qhov random ncua thiab rov sim dua yog ib feem tseem ceeb ntawm txoj cai.

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