DNS ib txwm tau tsim siv UDP thiab TCP chaw nres nkoj 53 los ntawm qhov pib 1, nrog UDP yog lub neej ntawd, thiab poob rov qab los siv TCP thaum nws tsis tuaj yeem sib txuas lus ntawm UDP, feem ntau yog thaum lub pob ntawv loj dhau los thawb rau hauv ib pob ntawv UDP.
Vim li cas DNS tuaj yeem siv TCP lossis UDP?
TCP yog kev sib txuas-taw qhia raws tu qauvwhereas UDP yog kev sib txuas-tsawg raws tu qauv. … TCP xav kom cov ntaub ntawv kom zoo ib yam ntawm qhov chaw thiab UDP tsis xav kom cov ntaub ntawv kom zoo ib yam lossis tsis tas yuav tsim kom muaj kev sib txuas nrog tus tswv tsev rau cov ntaub ntawv raug.
TCP thiab UDP qhov chaw nres nkoj dab tsi DNS kev pabcuam siv?
A DNS server siv paub zoo chaw nres nkoj 53 rau txhua tusnws cov haujlwm UDP thiab ua nws qhov chaw nres nkoj server rau TCP. Nws siv qhov chaw nres nkoj random saum 1023 rau TCP thov. Tus neeg siv DNS siv qhov chaw nres nkoj random saum 1023 rau ob qho tib si UDP thiab TCP.
Puas browser siv TCP lossis UDP?
TCP yog siv hauv cov ntawv thov uas kev ntseeg siab tseem ceeb dua, xws li hloov cov ntaub ntawv, emails, thiab kev tshawb xyuas lub vev xaib. UDP yog siv rau hauv cov ntawv thov uas ceev yog qhov tseem ceeb dua xws li kev sib tham hauv video, nyob streaming, thiab kev ua si hauv online.
Puas TCP tib yam li
In luv: TCP yog txheej txheem thauj khoom, thiab HTTP yog daim ntawv thov txheej txheejuas khiav dhau TCP.
