(Inqaku lomhleli: Eli nqaku, lithathwe kwiZigBee Resource Guide.)
Indlela olukhuphisana ngayo iyamangalisa. I-Bluetooth, i-Wi-Fi, kunye ne-Thread zonke zijolise kwi-IoT enamandla aphantsi. Okubalulekileyo kukuba, le migangatho ibe neengenelo zokujonga oko kusebenzeyo noko kungasebenzanga kwiZigBee, okwandisa amathuba abo okuphumelela kunye nokunciphisa ixesha elifunekayo lokuphuhlisa isisombululo esisebenzayo.
Umsonto wenzelwe ukusuka ekuqaleni ukuya phezulu ukuze uhlangabezane neemfuno ze-IoT ezithintelweyo yimithombo. Ukusetyenziswa kwamandla aphantsi, i-topology ye-mesh, inkxaso ye-IP yendalo, kunye nokhuseleko oluhle ziimpawu eziphambili zomgangatho. Njengoko iphuhliswe ngabaninzi abathambekele ekuthatheni okona kulungileyo kwiZigBee kwaye bayiphucule. Isitshixo sesicwangciso se-Thread yinkxaso ye-IP ukusuka ekuqaleni ukuya ekupheleni kwaye oko kukuthi, ikhaya elikrelekrele, kodwa akukho sizathu sokukholelwa ukuba iya kuphela apho ukuba iyaphumelela.
I-Bluetooth kunye ne-Wi-Fi zinokuba zixhalabisa ngakumbi kwiZigBee. I-Bluetooth yaqala ukulungiselela ukujongana nemarike ye-IoT ubuncinane kwiminyaka emithandathu eyadlulayo xa yongeza i-Bluetooth Low Energy kwinguqulelo yesi-4.0 yenkcazo ephambili kwaye kamva kulo nyaka uhlaziyo lwe-5.0 luya kongeza uluhlu oluphezulu kunye nesantya, kusonjululwe iziphene eziphambili. Malunga nelo xesha linye, i-Blurtooth SIG iya kwazisa imigangatho yokunxibelelana kwe-mesh, eya kuhambelana ngasemva ne-silicon eyenzelwe inguqulelo yesi-4.0 ye-spec. Iingxelo zibonisa ukuba inguqulelo yokuqala ye-Blurtooth mesh iya kuba zizicelo ezisebenza ngamandla amakhulu ezifana nokukhanyisa, imakethi yokuqala ye-Bluetooth Mesh. Inguqulelo yesibini yemigangatho ye-mesh iya kongeza amandla okuhambisa, ivumela ama-node amagqabi anamandla aphantsi ukuba ahlale elele ngelixa amanye ama-node (ngethemba lokuba asebenza ngamandla amakhulu) enza ukuphatha imiyalezo.
I-Wi-Fi Alliance ifike emva kwexesha kwiqela le-IoT elinamandla aphantsi, kodwa njengeBlurtooth, inophawu oluqhelekileyo kunye nenkqubo enkulu yokunceda ukuyikhawulezisa ngokukhawuleza. I-Wi-Fi Alliance yabhengeza iHalow, eyakhelwe kumgangatho we-sub-Ghz 802.11ah, ngoJanuwari 2016 njengokungena kwayo kwimigangatho ye-IoT exineneyo. I-Holaw ineengxaki ezinkulu ekufuneka zoyiswe. Inkcazo ye-802.11ah ayikavunywa kwaye inkqubo yesatifikethi seHalow ayilindelwanga kude kube ngu-2018, ngoko ke isemva ngeminyaka kwimigangatho ekhuphisanayo. Okubaluleke ngakumbi, ukuze kusetyenziswe amandla enkqubo ye-Wi-Fi, iHalow ifuna isiseko esikhulu seendawo zokufikelela ze-Wi-Fi ezixhasa i-802.11ah. Oko kuthetha ukuba abenzi beengcango ze-broadband, ii-routers ezingenazingcingo, kunye neendawo zokufikelela kufuneka bongeze ibhendi entsha ye-spectrum kwiimveliso zabo, bongeza iindleko kunye nobunzima. Kwaye iibhendi ze-sub-Ghz azifani nebhendi ye-2.4GHz, ngoko ke abavelisi kuya kufuneka baqonde iimpawu ezilawulayo zamazwe amaninzi kwiimveliso zabo. Ngaba oko kuya kwenzeka? Mhlawumbi. Ngaba kuya kwenzeka ngexesha lokuba iHalow iphumelele? Ixesha liza kuxela.
Abanye bayayigxeka iBluetooth kunye neWi-Fi njengeenkampani ezisandula ukudibana kwimarike abangaziqondiyo kwaye abangazilungiselelanga ukuyilungisa. Yimpazamo leyo. Imbali yonxibelelwano igcwele imizimba yemigangatho ephezulu kwezobuchwepheshe, eye yaba nelishwa lokuba sendleleni yesikhulu sonxibelelwano esifana ne-Ethernrt, i-USB, iWi-Fi, okanye iBluetooth. Ezi "ntlobo zihlaselayo" zisebenzisa amandla esiseko sazo esifakiweyo ukuze zifumane inzuzo yokukhuphisana kwiimarike ezikufutshane, zisebenzisa ubuchwepheshe babachasi bazo kwaye zisebenzisa uqoqosho oluphezulu ukuze zitshabalalise inkcaso. (Njengomvangeli wangaphambili weFireWire, umbhali uyiqonda kakuhle le ntshukumo.)
Ixesha lokuthumela: Septemba-09-2021