Video: Thaum twg koj yuav siv UDP hloov TCP?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
UDP kuj yog siv nyob rau hauv cov xwm txheej wheretheexpense ntawm tsim kev sib txuas thiab syncing nrog TCP outweighs lub payload. DNS queries yog ib qho piv txwv zoo meej. Onepacket tawm, ib pob ntawv rov qab, ib cov lus nug. Yog siv TCP qhov no yuav yuav ntau intensive.
Ib yam li ntawd, koj tuaj yeem nug, thaum twg kuv yuav tsum siv UDP hloov TCP?
Feem ntau, siv UDP nyob rau hauv cov ntawv thov uas speedismore tseem ceeb tshaj kev ntseeg tau. Piv txwv li, nws yuav zoo dua siv UDP nyob rau hauv ib daim ntawv thov xa cov ntaub ntawv los ntawm afastacquisition qhov twg nws yog txaus kom poob ib co cov ntaub ntawv cov ntsiab lus. Youcan kuj siv UDP tshaj tawm rau txhua lub tshuab (s) mloog rau lub server.
Ib yam li ntawd, dab tsi yog cov txiaj ntsig ntawm kev siv UDP hloov TCP raws li kev thauj mus los rau DNS?
- 1) UDP tau nrawm dua. TCP qeeb raws li nws xav tau 3-txoj kev sib tuav tes.
- 2) DNS thov feem ntau me me thiab haum zoo hauv UDPsegments.
- 2) UDP tsis txhim khu kev qha, tab sis kev ntseeg siab tuaj yeem ntxiv onapplicationlayer. Ib daim ntawv thov tuaj yeem siv UDP thiab tuaj yeem ntseeg tau los ntawm kev siv atimeout thiab xa rov qab ntawm daim ntawv thov txheej.
Kuj nug, UDP puas zoo dua TCP?
UDP yog zoo rau kev tshaj tawm thiab multicasttypeof network kis tau tus mob. TCP yog ntseeg tau raws li nwsguarantees xa cov ntaub ntawv mus rau lub hom phiaj router. UDP yog sai dua , yooj yim dua thiab ua tau zoo dua tshaj TCP . Retransmission ntawm ploj pob ntawv yog ua tau nyob rau hauv TCP , mas notin UDP.
Dab tsi yog qhov zoo ntawm UDP tshaj TCP?
Ua ntej, ib qho ntawm cov yam ntxwv ntxim nyiam ntawm UDP nws yog vim nws tsis tas yuav rov xa cov pob ntawv ploj lossis tsis ua ib qho kev sib txuas teeb tsa, xa cov ntaub ntawv cuam tshuam tsawg dua. Qhov kev txo qis no ua rau UDP ib qho kev xaiv txaus siab rau ncua-sensitive thov xws li suab thiab video.
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