Video: Vim li cas slotted Aloha zoo dua?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov Slotted ALOHA yog qee yam zoo dua tshaj tus Ntshiab ALOHA . Raws li qhov tshwm sim ntawm kev sib tsoo yog tsawg nyob rau hauv Slotted ALOHA piv rau Pure ALOHA vim lub chaw nres tsheb tos lwm zaus qhov pib uas cia tus ncej nyob rau hauv ib lub sij hawm dhau los qhov kom dhau thiab zam kev sib tsoo ntawm cov thav ntawv.
Ib yam li ntawd, slotted Aloha yuav ua li cas txhim kho qhov kev ua tau zoo dua cov ntshiab aloha?
Slotted ALOHA txo tus naj npawb ntawm kev sib tsoo mus rau ib nrab thiab muab ob npaug rau efficiency ntawm ntshiab ALOHA . Nyob rau hauv ntshiab ALOHA , tej chaw nres tsheb ua tau xa cov ntaub ntawv txhua lub sijhawm. Hauv slotted ALOHA , tej chaw nres tsheb ua tau xa cov ntaub ntawv thaum pib ntawm txhua lub sijhawm qhov . Hauv Pure ALOHA , chaw nres tsheb ua tau xa cov ntaub ntawv hauv yam tsis tu ncua sijhawm.
Qhov thib ob, qhov ua tau zoo ntawm slotted Aloha yog dab tsi? "A qhov nyob rau hauv uas raws nraim ib node kis tau hais tias ua tau zoo qhov . Cov efficiency ntawm a slotted Cov txheej txheem nkag mus tau ntau yam txhais tau tias yog qhov ua haujlwm ntev ntawm qhov ua tau zoo hauv cov ntaub ntawv thaum muaj coob tus ntawm cov nquag nquag, txhua tus ib txwm muaj ntau tus ncej xa tuaj."
Ib sab saum toj, koj txhais li cas los ntawm slotted Aloha?
ua tsaug Aloha - Khoos phis tawj Txhais Los ntawm Hawaii aloha , lub ntsiab lus nyob zoo thiab nyob zoo. Ib txoj cai tsim nyob rau hauv University of Hawaii thaum ntxov 1970s raws li kev txhim kho ntawm dawb huv Aloha raws tu qauv. Slotted Aloha qhov tseem ceeb tshaj tawm qhov muaj nyob ntawm lub sijhawm qhov hauv ib channel.
CSMA zoo dua Aloha li cas?
Yog li CSMA raws tu qauv zam kev sib tsoo ua ntej lawv tshwm sim thaum Aloha raws tu qauv kuaj pom tias ib channel yog tibneeg hu tauj coob tsuas yog tom qab kev sib tsoo tshwm sim. Vim li no, CSMA Nws yog qhov tsim nyog rau cov tes hauj lwm xws li Ethernet qhov twg ntau qhov chaw thiab cov chaw siv tib lub channel.
Pom zoo:
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