Siyakwamukela esihlokweni sethu esibanzi sokuthi iyini ihabhu lenethiwekhi! Kulolu hambo oluhehayo, sizohlola ukungena nokuphuma kwalesi sisetshenziswa esibalulekile emhlabeni wokuxhumana. Uma uke wazibuza ukuthi ihabhu yenethiwekhi isebenza kanjani, isetshenziselwa ini, nokuthi ziyini izinzuzo zayo, ufike endaweni efanele.
Kusukela ekuxhumekeni kwasekhaya kuya kumanethiwekhi ebhizinisi, amahabhu enethiwekhi adlale indima ebalulekile ekudluliselweni kwedatha okusebenzayo kanye nokuxhumana. Kuso sonke lesi sihloko, sizohlukanisa zonke izici ezibalulekile ezihlobene namahabhu enethiwekhi. Ngakho ake siqale!
Yini i-Network Hub?
Ihabhu yenethiwekhi ithola idatha kusuka kudivayisi exhunyiwe futhi iyidlulisele kuwo wonke amanye amadivaysi axhunyiwe kunethiwekhi. Ngokungafani namaswishi namarutha, amahabhu enethiwekhi awenzi noma yimiphi imisebenzi yokuhlunga noma yokuphatha ithrafikhi. Kunalokho, bavele bathumele yonke idatha etholiwe kudivayisi ngayinye exhunyiwe.
Isebenza Kanjani Ihabhu Yenethiwekhi?
Ukusebenza kwehabhu yenethiwekhi kulula. Uma idivayisi ithumela idatha ngehabhu, ihabhu ithola idatha bese iyidlulisela kuwo wonke amanye amadivayisi axhunyiwe. Lokhu kwaziwa njengokudluliswa kwedatha yemodi yokuziphatha okubi, lapho wonke amadivayisi axhunyiwe athola ulwazi olufanayo.
Uma idivayisi exhunyiwe ithumela idatha ngehabhu, ihabhu iyayiphinda futhi iyithumele kuwo wonke amanye amadivayisi. Kodwa-ke, kubalulekile ukuqaphela ukuthi amahabhu enethiwekhi anemikhawulo mayelana nomkhawulokudonsa kanye nomthamo. Njengoba amadivayisi engeziwe engezwa kunethiwekhi, ukusebenza kungase kuthinteke ngenxa yokugcwala kwedatha.
Izinhlobo zama-Network Hubs
Kunezinhlobo ezahlukene zamahabhu enethiwekhi, ngalinye elinezici ezithile namandla. Nazi izinhlobo ezivame kakhulu:
- I-Passive Concentrator: Eyaziwa nangokuthi ihabhu ye-passive, lolu uhlobo oluyisisekelo kakhulu lwehabhu yenethiwekhi. Imane inikeze ukuxhumana ngokomzimba phakathi kwamadivayisi axhunyiwe, ngaphandle kokusebenza okwengeziwe.
- Ihabhu elisebenzayo: Ngokungafani namahabhu angenzi lutho, amahabhu asebenzayo ancike ezingxenyeni ze-elekthronikhi futhi ayakwazi ukukhiqiza kabusha nokukhulisa amasignali enethiwekhi. Lokhu kusiza ukunqoba ukucekelwa phansi kwesignali njengoba idlulela kumakhebuli amade.
- I-Smart Hub: Eyaziwa nangokuthi i-switch, i-smart hub inikeza izici ezengeziwe ezifana nekhono lokuhlunga nokuphatha ithrafikhi yenethiwekhi. Ngokungafani namahabhu asebenzayo nasebenzayo, ihabhu elihlakaniphile lithumela kuphela idatha kumadivayisi afanele kunawo wonke amadivayisi akunethiwekhi.
Izinzuzo kanye nokusetshenziswa kwama-Network Hubs
Amahabhu enethiwekhi adlale indima ebalulekile ekuxhumekeni kwenethiwekhi iminyaka eminingi. Nazi ezinye izinzuzo ezibalulekile nokusetshenziswa okuvamile kwamahabhu enethiwekhi:
- Ukuxhuma kalulaAmahabhu enethiwekhi ahlinzeka ngendlela elula neqondile yokuxhuma amadivayisi amaningi kunethiwekhi ngaphandle kwesidingo sokucupha okuyinkimbinkimbi.
- Ukunwetshwa KwenethiwekhiAmahabhu enethiwekhi akuvumela ukuthi unwebe umthamo wenethiwekhi ekhona ngokunikeza izimbobo ezengeziwe ukuze uxhume amadivayisi amaningi.
- Ukuxhumana OkuphumelelayoAmahabhu enethiwekhi enza kube lula ukuxhumana phakathi kwamadivayisi axhunyiwe ngokudlulisa idatha kusuka kudivayisi eyodwa kuya kuzo zonke ezinye ngokushesha futhi kalula.
- Izindleko EzithengekayoUma kuqhathaniswa namanye amadivaysi enethiwekhi athuthuke kakhulu, amahabhu enethiwekhi ngokuvamile awabizi kakhulu futhi ayathengeka, okuwenza abe inketho ekhangayo yokuthunyelwa kwenethiwekhi okulula.
- Amanethiwekhi AsekhayaAmahabhu enethiwekhi angasetshenziswa kumanethiwekhi asekhaya ukuxhuma amadivayisi amaningi, njengamakhompuyutha, amaphrinta, amakhonsoli egeyimu yevidiyo, nama-smart TV.
- Business NetworksEzindaweni zamabhizinisi, amahabhu enethiwekhi angasetshenziswa ukuxhuma iminyango eminingi noma izindawo zokusebenza, kube lula ukuxhumana nokwabelana ngolwazi.
Imibuzo Evame Ukubuzwa mayelana nokuthi Iyini Ihabhu Yenethiwekhi
Uyini umehluko phakathi kwehabhu lenethiwekhi kanye neswishi?
Yize amahabhu enethiwekhi namaswishi kunokufana okuthile, nawo anomehluko omkhulu. Ngenkathi ihabhu yenethiwekhi ithumela idatha kuwo wonke amadivayisi axhunyiwe, iswishi ithumela idatha kuphela kudivayisi efanelekile ngokusekelwe ekhelini le-MAC. Lokhu kuvumela ukusebenza okungcono kanye nokuminyana okuphansi uma kuqhathaniswa namahabhu enethiwekhi.
Yini okufanele ngiyicabangele lapho ngikhetha ihabhu yenethiwekhi?
Uma ukhetha ihabhu yenethiwekhi, kubalulekile ukucabangela izici ezifana nenani lezimbobo ezitholakalayo, isivinini sokudlulisa idatha, amandla okubamba ithrafikhi, nezici zokuphepha. Kubalulekile futhi ukuhlola izidingo zakho ezithile kanye nendawo lapho ihabhu yenethiwekhi izosetshenziswa khona.
Ingabe ama-network hubs aphelelwe yisikhathi?
Ngokuthuthuka kobuchwepheshe bokuxhumana , ama-network hub athathelwe indawo kakhulu ngamadivayisi athuthukile, njengama-switch nama-router. Kodwa-ke, ama-network hub asasetshenziswa ezimweni ezithile lapho kudingeka khona ikhambi elilula nelingabizi.
Ngingakwazi ukuxhuma ihabhu yenethiwekhi kwenye ihabhu?
Yebo, kuyenzeka ukuxhuma ihabhu lenethiwekhi kwelinye ihabhu ekucushweni okwaziwa ngokuthi yi-cascade. Nokho, lokhu kulungiselelwa kungase kubangele ukubambezeleka okwandisiwe kanye nokonakaliswa kokusebenza ngenxa yokuphindwaphindwa kwedatha.
Ungakanani umkhawulo wamadivayisi engingakwazi ukuwaxhuma kuhabhu yenethiwekhi?
Umkhawulo wamadivayisi angaxhunywa kuhabhu yenethiwekhi uncike ezintweni ezimbalwa, njengohlobo lwehabhu, umthamo wenethiwekhi, kanye nomkhawulokudonsa otholakalayo. Ngokuvamile, amahabhu enethiwekhi anemikhawulo ngokomthamo, futhi ukungeza amadivayisi amaningi kakhulu kungathinta ukusebenza kwenethiwekhi nesivinini.
Uyini umehluko phakathi kwehabhu lenethiwekhi nerutha?
Ngokungafani nama-network hub, adlulisela idatha kuwo wonke amadivayisi axhunyiwe, ama-router angamadivayisi ahlakaniphe kakhulu enza izinqumo mayelana nokugeleza kwedatha ngaphakathi kwenethiwekhi. Ama-router avumela ukuxhumana phakathi kwamanethiwekhi ahlukene futhi anganikeza izici zokuphepha ezifana nama-firewall kanye nokwabiwa kwekheli le-IP.
Isiphetho sokuthi iyini ihabhu lenethiwekhi
Ihabhu yenethiwekhi iyisisetshenziswa esibalulekile sokuxhumanisa amadivayisi kunethiwekhi. Nakuba edlulwa kakhulu amaswishi namarutha ngokuya ngokusebenza nokusebenza, amahabhu enethiwekhi asenayo indawo yawo ekusetshenzisweni okulula nokushibhile.
Sethemba ukuthi lesi sihloko sikunikeze ukuqonda okucacile kokuthi iyini ihabhu lenethiwekhi, lisebenza kanjani, nokuthi lisetshenziswa kanjani ezimweni ezahlukene. Uma ufuna isixazululo esilula nesithengekayo sokuxhuma amadivayisi kunethiwekhi, ihabhu yenethiwekhi ingaba inketho elungile kuwe.
Khumbula, ubuchwepheshe benethiwekhi buyaqhubeka nokuvela futhi kubalulekile ukuhlala unolwazi lwakamuva ngamathrendi akamuva nezixazululo zokuthuthukisa amanethiwekhi akho!