Yiziphi yomphindwa inethiwekhi? Kungani ababesidinga? Lapho zisetshenziswa futhi ngayiphi injongo? Yiziphi izinhlobo zazo kanye izinhlobo khona Kungenzeka yini ukuba ngandlela-thile iwukudambisa izici ezingezinhle inethiwekhi topologies futhi ukuthuthukisa omuhle? Nasi uhlu olufushane imibuzo ezophendulwa kulesi sihloko.
ulwazi olujwayelekile
Abantu abaningi bayazi mayelana namadivayisi inethiwekhi. Topology ngoba iningi - ihlathi elimnyama. Ngakho, ake sicabange imodeli encane. Sine amakhompyutha asebenza ngaphansi efanayo wendawo endaweni inethiwekhi. Basuke uxhumeke nge zokuxhumana imigqa. Kuye ngokuthi lakhiwe kanjani wakha ekuhlanganyeleni kwabo, ukuhlukanisa lezi zinhlobo ezilandelayo amanethiwekhi:
- Ring.
- Stellar.
- Bus.
- Phezulu.
- Ezingafanele.
Konke okungenhla libhekisela yomphindwa ngokomzimba. Kodwa kukhona labo ayizwakali inengqondo. Ziyakwazi omunye ngaphandle komunye. Ngakho, ngaphansi sokuqala sihilela ukwakhiwa kwalesi geometry senethiwekhi. A yomphindwa okunengqondo izimisele uqondisa idatha ukugeleza phakathi inethiwekhi ehlukile ISIZINDA bese ukhetha indlela yokudlulisa idatha. Ngamunye uhlobo Kuchazwa kabanzi lapha ngezansi sokwakha ubuhlobo kunezinzuzo ethile kanye nobubi obuthile. Manje ake sibheke eziyisisekelo inethiwekhi topologies.
ibhasi Uhlobo
Isetshenziselwa ezimweni lapho idatha isetshenziswa lineechny mono. Emikhawulweni yaso ukukhwezwa terminators. Khona-ke, i-computer ngamunye exhunywe kwi-umugqa multidrop ngokusebenzisa T-Isixhumi. Idatha idluliswe nhlangothi zombili futhi ziyabonakala kusukela terminators esigungwini. Njengoba kungaqondakala kulokhu, imininingwane kulesi umlandu usiwa zonke ISIZINDA. Kodwa lapha uphuzwe kungaba labo okuhloswe. Transmission naphakathi lasetshenziswa kule ndaba zonke PC axhunyiwe kunethiwekhi. Nxa ukuthi livela PC olulodwa, kwasakazwa kuwo wonke amadivayisi. Ukuthandwa lobu buchwepheshe thola usebenzisa i-Ethernet izakhiwo. Yiziphi izinzuzo sinikeza lokhu imishini inethiwekhi (inethiwekhi yomphindwa)? Ukuqala kalula yokusetha futhi ukumisa inethiwekhi. Futhi, uma omunye engeyokuqala uchitheka, akwazi ukuqhubeka nomsebenzi wayo wonkana. Ngenxa yalokhu singasho ukuthi inethiwekhi lakhiwa typology ibhasi, babe baphikisana kakhulu ukuba eziyimbangela yezinkinga ezizuzwa. Kodwa zikhona nemiphumela ethile engathandeki. Ngokuyinhloko, kufanele kuqashelwe umkhawulo obuphelele eyisihlobo ikhebuli inani workstations. Ngaphezu kwalokho, igebe we komugqa Mono nomthelela omubi ukusebenza inethiwekhi. Ngenxa yalokho, ngokuvamile kunzima ukunquma indawo isici, ikakhulukazi uma ithukuswe ukwahlukanisa.
Uxhumano yomphindwa "Inkanyezi"
Kulokhu, ngamunye ezisontekile pair workstation ixhunywe ihabhu noma ihabhu. Siyabonga kubo bunikezwa uxhumano okucishe kufane nalokhu wonke amakhompyutha siqu. Esebenzisa labaculi noma concentrator PC futhi ukuxhumana nabanye. Ukuthumela idatha ezitholakale zonke workstations. Kodwa abakwazi kuphela thatha ababedalelwene senzelwe okuyinto. On izinzuzo kuyafaneleka ukuthi inethiwekhi kulula ukuxhuma PC entsha. Futhi, amelana emaphutheni izingxenye ngabanye futhi disconnections. Futhi konke lokhu unezela kungenzeka ukuphathwa eyodwa. Nokho, zikhona yokuntula ezithile. Ngakho, kukhona ukugeleza abalulekile ikhebula. Ngaphezu kwalokho, ihabhu noma ihabhu ukwehluleka zibulale ekusebenzeni yonke inethiwekhi.
Ukusetshenziswa isikhungo central
Le nethiwekhi esekelwe typology yefomu yangaphambili ukudalwa inethiwekhi. Iqhaza main kuleli cala wadlala ihabhu emaphakathi. Kuyinto idivayisi ohlakaniphile enikeza ukuxhumana serial iziteshi ezahlukene kwi "okokufaka-okukhipha", ukuthi kungenxa yakhe, ikhompyutha axhumene nezinye workstations ezimbili. Ukuze ukuzinza ukusebenza lapha emasongweni okuyinhloko kanye nebhekhaphu. Lokhu kukuvumela ukuba balondoloze impilo inethiwekhi, ngisho noma kukhona umonakalo ebalulekile. Inkinga iphuzu elithile ngendlela elula icishiwe. Ukuze ukudluliswa kwedatha usebenzisa umaka okhethekile. Iqukethe ikheli Umthumeli nomamukeli ulwazi. Kufanele kuqashelwe ukuthi, ngaphezu enokwethenjelwa, lokhu typology futhi inikeza ukufinyelela ngokulinganayo kubo bonke workstations inethiwekhi. Kodwa kubo bonke ke kumele akhokhe. Kulokhu libhekisela ukusetshenziswa elikhulu eqolo ikhebuli wiring imigqa.
izinkuni
Lokhu typology inethiwekhi ubonakala inhlanganisela izinkanyezi eziningana. Umuthi ungaba ezifundeni ezilandelayo:
- Active.
- Azithele ngabandayo.
- Iqiniso.
Kuye isimo edingekayo ophethe abasebenzi akhombe ukuthi ufuna ukusebenzisa: amakhompyutha emaphakathi noma izikhungo (Izikhumulo). ukukhetha ngamunye kunezinzuzo zako kanye nebubi. Esimweni sokuqala sikwazi ukukhuluma ukwakha isimiso eyodwa ngaphezulu nge handling kangcono kanye nokunye okufana nalokho. Kodwa ukusetshenziswa Izikhumulo, noma izikhungo, ngokuvamile kakhulu kube nenzuzo enkulu nge umthombo futhi izinhlelo zezimali.
indandatho yomphindwa
Kulokhu, kwaba yisona sikhali kwakwakhe iziteshi zokuxhumana kwelinye uchungechunge ziqotho. Nokho, lokho akusho kufanele zifane umbuthano. Kulesi simo ihlinzeka ukuthi idatha izosetshenziswa aphume kwikhompyutha siqu, okuyinto ixhunywe okokufaka kwe-computer. Ngakho-ke, lapho ulwazi uzoqala ezihambayo ukusuka kunoma yiliphi iphuzu elithile eyodwa ekugcineni siyoba esifanayo, kokuba omunye ethangeni. Idatha kulezi izindandatho njalo ezihambayo ohlangothini olufanayo. Bona futhi sicubungule umyalezo owamukelwe kuphela workstation ukuze ngalo kuso. Lapho yomphindwa esetshenziswa ukufinyelela umaka. Inikeza ilungelo ukusebenzisa indandatho ngesikhathi esifanele. Phakathi ukuthumela idatha usebenzisa iringi okunengqondo. Dala futhi ngezifiso kule nethiwekhi kalula kakhulu. Kodwa ngenxa yokuthi umonakalo endaweni eyodwa kungaletha phansi, njengoba injalo emsulwa cishe akazange asebenzise ngenxa kungathembeki yayo. Ukuze usebenze ingasetshenziswa ukulungiswa ezihlukahlukene typology.
inhlanganisela
Zisetshenziswa ekunciphiseni noma ekuqedeni izici ezingezinhle uma udala ubudlelwano phakathi kwamakhompyutha ezahlukene. Izinhlobo ezivame kakhulu kuhlangene inethiwekhi yomphindwa eyakhelwe inkanyezi, indandatho kanye ibhasi ubuchwepheshe. Ukuze uqonde isimo, ungakwazi ukunikeza izibonelo ezimbalwa. Thatha okokuqala inkanyezi-ibhasi yomphindwa. Ikakhulu kuba ihabhu. Kodwa kungenziwa exhunywe hhayi kuphela kumakhompyutha ngabanye kodwa yonke ibhasi inethiwekhi izingxenye. Yiqiniso, asikwazi ukusetshenziswa eyodwa ihabhu, kodwa amaningi. Kungase futhi ingasetshenziswa nesimo sesakhiwo esikhulu eziveza (main) ibhasi. Buhle le nhlanganisela ukuthi umlawuli wohlelo ingakwazi kokubili typologies futhi sithonyeka kalula ngenani amakhompyutha axhunyiwe kunethiwekhi. Ake sibheke esinye isibonelo. Kucatshangwa ukuthi inkanyezi-indandatho yomphindwa. On ke abahlanganisiwe amakhompuyutha Izikhumulo, ezixhunywe ngqo ne-computer. Ngakho, idala ngesimiso somshini esivalekile ukuthi ihlanganisa izinzuzo zombili lezi topologies, futhi kukhona namanje eziningi Izinsiza. Njengoba isibonelo ezinjalo zingaholela ekuphathekeni yokuthi zonke izikhungo ingalandwa endaweni eyodwa. Lokhu kusho ukuthi iphuzu ikhebula le-inthanethi ngeke ndawonye, futhi isebenza nabo uzobe lula kakhulu.
isiphetho
Lapha esasikulo, futhi izinhlobo eziyisisekelo inethiwekhi yomphindwa. Kuthunyelwe ngaphansi Article kungenzeka ukwakha ubuhlobo phakathi computer ezahlukene kukhona ethandwa kakhulu ngenxa yokuthi liyasiza. Kodwa kwezinye izimo kungase kudingeke ezikhethekile ngaphezulu inethiwekhi topologies. ukuthuthukiswa yabo futhi ukusetshenziswa kobuchwepheshe osuvele Kwenziwa zonke izici ezidingekayo ukuze isebenze kahle, umehluko wemisindo nemiqondo yamagama kanye izici. Ngokuvamile into enjengale isetshenziswa kuphela izindawo yesayensi nakwezempi, kuyilapho ukuphila sokuya empini kwanela, kanye izindlela ezivame kakhulu. Phela, ibhekwa njengomlando wesonto yomphindwa inethiwekhi - emashumini ngentuthuko!