Tus Neeg Siv Datagram Protocol nta Piv txwv li: Nws tso cai rau cov pob ntawv kom poob thiab tau txais nyob rau hauv ib qho kev txiav txim sib txawv dua li lawv tau kis, ua rau nws tsim nyog rau cov ntawv thov hauv lub sijhawm uas latency yuav muaj kev txhawj xeeb. Nws tuaj yeem siv tau rau kev hloov pauv raws li kev cai, xws li DNS lossis Network Sijhawm raws tu qauv (NTP).
Datagram yog dab tsi?
A datagram yog ib chav hloov pauv yooj yim cuam tshuam nrog pob ntawv hloov pauv. Datagrams feem ntau yog tsim nyob rau hauv header thiab payload seem. Datagrams muab kev pabcuam kev sib txuas lus tsis muaj kev sib txuas lus thoob plaws pob ntawv-hloov network.
TCP puas siv datagram?
Cov Kev Tswj Kev Sib Txuas Lus (TCP) yog ib qho ntawm cov txheej txheem tseem ceeb ntawm Internet raws tu qauv suite. … Cov ntawv thov uas tsis xav tau kev pabcuam cov ntaub ntawv txhim khu kev qha tuaj yeem siv User Datagram Tus Txheej Txheem (UDP), uas muab cov kev pabcuam datagram yam tsis muaj kev cuam tshuam uas tseem ceeb rau lub sijhawm ntawm kev ntseeg siab.
Qhov twg hauv qab no yog piv txwv ntawm datagram network?
Piv txwv suav nrog xa email, tshawb xyuas lub vev xaib, lossis xa cov ntaub ntawv siv cov ntaub ntawv hloov chaw (ftp). Qhov kev ntseeg siab no ua kom tag nrho cov ntaub ntawv tau txais nyob rau hauv qhov kev txiav txim kom raug yam tsis muaj kev sib tw lossis tsis muaj kev cuam tshuam. Nws yog muab los ntawm cov txheej txheem ntxiv ntawm software algorithms siv hauv End Systems (A, D).
Vim li cas Internet hu ua datagram network?
Datagrams yog cov ntaub ntawv pob khoom uas muajcov ntaub ntawv header txaus kom lawv tuaj yeem raug xa mus rau ib tus zuj zus los ntawm txhua qhov nruab nrab ntawm lub network hloov khoom siv mus rau qhov chaw. Cov tes hauj lwm no hu ua datagram networks vim kev sib txuas lus tshwm sim ntawm datagrams.
