Video: Vim li cas UDP xav tau?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
UDP txo cov nyiaj siv ua haujlwm vim nws tsis addflowcontrol, tswj kev ua yuam kev, lossis kev xa khoom tsis zoo li kev pabcuam kev sib txuas. UDP yog siv rau kev xa cov ntaub ntawv uas xa cov ntaub ntawv tseem ceeb tshaj qhov raug. Yog li ntawd, UDP yog xav tau.
Tsis tas li ntawd, vim li cas peb thiaj xav tau UDP?
UDP tuaj yeem siv rau hauv cov ntawv thov uas xav tau Cov ntaub ntawv tsis muaj kev sib kis thaum daim ntawv thov raug teeb tsa los tswj cov txheej txheem ntawm kev xa rov qab cov ntaub ntawv ploj thiab kho kom raug cov pob ntawv tau txais. Txoj hauv kev no tuaj yeem pab txhim kho cov ntaub ntawv hloov pauv ntawm cov ntaub ntawv loj piv rauTCP.
Ib yam li ntawd, vim li cas UDP tsis ntseeg tau raws tu qauv? Streaming media xws li yees duab, suab thiab lwm yam siv UDP vim nws muab ceev. Yog vim li cas UDP isfasterthan TCP yog vim tias tsis muaj daim ntawv tswj kev ntws. Noerrorchecking, kho qhov yuam kev, lossis kev lees paub yog ua tiav UDP . UDP tsuas yog txhawj xeeb nrog ceev.
Hais txog qhov no, vim li cas ib daim ntawv thov siv UDP hloov TCP?
Vim UDP ua tsis siv congestioncontrol, tab sis TCP ua , nws muaj peev xwm tshem tawm ntawm TCP uas yields UDP ntws. Qhov tshwm sim yog qhov ntawd UDP muaj peev xwm: Ua tau siab dua throughput tshaj TCP ntev npaum li qhov networkdrop tus nqi nyob hauv qhov txwv uas daim ntawv thov tuaj yeem ua tau. Xa pob ntawv sai dua TCP tsis muaj sijhawm.
UDP txhais li cas?
Tus neeg siv Datagram raws tu qauv ( UDP ) yog ib feem ntawmInternet raws tu qauv suite siv los ntawm cov kev pab cuam uas khiav ondifferentcomputers ntawm ib tug network. UDP yog siv los xa cov lus luv luv hu ua datagrams tab sis tag nrho, nws yog qhov tsis ntseeg, tsis muaj kev sib txuas lus. UDP yog officially txhais hauv RFC 768 thiab tau tsim los ntawm David P. Reed.
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