Video: MQTT siv li cas hauv IoT?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
MQTT yog ib qho ntawm feem ntau siv raws tu qauv hauv IoT tej yaam num. Nws sawv cev rau Message Queuing Telemetry Thauj. Tsis tas li ntawd, nws yog tsim los ua ib qho kev sib txuas lus sib txuas lus uas siv kev tshaj tawm / sau npe ua haujlwm los pauv cov ntaub ntawv ntawm cov neeg siv khoom thiab cov neeg rau zaub mov.
Ib yam li ntawd, kev siv MQTT yog dab tsi?
MQTT yog ib qho yooj yim messaging raws tu qauv, tsim los rau constrained li nrog tsawg-bandwidth. Yog li, nws yog qhov kev daws teeb meem zoo tshaj plaws rau Internet of Things applications. MQTT tso cai rau koj xa cov lus txib los tswj cov zis, nyeem thiab tshaj tawm cov ntaub ntawv los ntawm cov sensor nodes thiab ntau ntxiv.
Kuj Paub, MQTT sawv rau dab tsi? MQ Telemetry Thauj
Ib yam li ntawd, nws tau nug, MQTT raws tu qauv yog dab tsi thiab nws ua haujlwm li cas?
MQTT yog publish/subscribe raws tu qauv uas tso cai rau ntug-ntawm-network li tshaj tawm mus rau ib tug broker. Cov neeg siv khoom txuas mus rau tus broker no, uas tom qab ntawd kho kev sib txuas lus ntawm ob lub cuab yeej. Thaum lwm tus neeg tau tshaj tawm cov lus ntawm cov ncauj lus sau npe, tus broker xa cov lus rau txhua tus neeg siv khoom uas tau sau npe.
Puas yog MQTT xav tau Internet?
Yog, xa lossis txais cov lus, lub MQTT tus neeg siv yuav tsum tsim kom muaj kev sib txuas TCP rau tus broker. Txawm li cas los xij, MQTT los nrog cov yam ntxwv tshwj xeeb tsim los tiv thaiv kev sib txuas tsis ruaj khov, zoo li tus broker buffering cov lus tuaj rau cov neeg siv tsis tau.
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