Ngawaphi network yethopholoji efanayo? Kutheni kufuneka? Apho ke zisetyenziswa yaye ngayiphi injongo? Zeziphi iintlobo zazo kunye iintlobo na apho? Ngaba kunokwenzeka ukuba Nokwethisa thile izinto ezimbi topologies womnatha kunye nokwandisa izinto ezintle? Nalu uluhlu elifutshane imibuzo eza kuphendulwa kweli nqaku.
ulwazi jikelele
Abantu abaninzi bayazi malunga izixhobo womnatha. Ithopholoji yesininzi - ihlathi emnyama. Ngoko ke, masikhe nomfanekiso umfuziselo encinane. Thina computers ukuba asebenza ngaphantsi kwe ariya yobulali yomsebenzi womnatha efanayo. Bona uxhume nge imigca zonxibelelwano. Kuxhomekeke wazakhela ngayo benxibelelana, ukwahlula ezi ndidi zilandelayo zothungelwano:
- Khalisa.
- Ogcwele.
- Bus.
- Oluneqela elinegunya.
- Ngokwesigqibo esicalanye.
Konke oku kungentla libhekisela yethopholoji emzimbeni. Kodwa kukho abo ayicacanga ngakumbi. Miyalezo ingenye elizimeleyo ukusuka kwelinye. Ngenxa yoko, phantsi lokuqala ibandakanya ukwakhiwa wew geometry we-network. A ithopholoji ubhalo uzibophelele uyalela flow data phakathi ezalathelwe womnatha ezahlukeneyo kwaye ukhetha indlela yokudlulisa data. Ngalinye uhlobo kuxoxwa ngezantsi yokwakha ubudlelwane zinezibonelelo ezithile nezingalunganga. Ngoku makhe sijonge topologies womnatha esisiseko.
Uhlobo ibhasi
Lusetyenziswa kwiimeko apho idatha kusetyenziswa lineechny mono. Emiphethweni yayo imvelaphi inyuselwa khona terminators. Emva koko, ikhompyutha nganye udityaniswe kwintambo multidrop i ngokusebenzisa T-isinxibelelanisi. Idatha ikhutshelwe macala omabini kwaye ziboniswe kwi terminators terminal. Njengoko kungaba kuqondwe koku, ulwazi kule meko iya zonke iindawo. Kodwa nantsi into kuthathwa kunokuba kuphela ezo apho kujongwe. Transmission medium esetyenzisiweyo kulo mzekelo zonke iiPC ukuba udityanisiwe kwi network. A uphawu ukuba livela PC enye, ezisasazwa kuzo zonke izixhobo. Ukuthandwa obu bugcisa ukufumana usebenzisa Ethernet bokwakha. Ziziphi iingenelo sikunika esi sixhobo womnatha (network yethopholoji)? Ukuqala nge lula Ukucwangcisa womnatha uqwalaselo. Kwakhona, ukuba omnye node uyasilela, oko ukuqhubeka nomsebenzi yakhe iphela. Ngenxa yale nto sinokuthi womnatha wawusakhiwa typology ibhasi, kufuneka baphikisana kakhulu kakuhle. Kodwa kukho kuneengxaki. Ubukhulu becala kufanele kuphawulwe umda ubude isalamane of cable kunye nenani workstations. Ukongeza, ithuba yomgama Mono ifuthe elibi komsebenzi womnatha. Ngenxa yoko, kunzima rhoqo ukujonga indawo unesiphako, ingakumbi ukuba sifihlwe usambathisa.
Network yethopholoji efanayo "Inkwenkwezi"
Kulo mzekelo, isibini ngasinye ifenishala ezijijekileyo liqhagamshelene hub okanye hub. Enkosi kubo inikezelwa yi uxhulumaniso engumzekelo zonke iikhompyutha zobuqu. Esebenzisa njengentsika okanye concentrator PC nokunxibelelana nabanye. data Ithumela ifunyanwa kuzo zonke iikhompyutha. Kodwa ke uthabathe elinye yona kuphela. On ezilungileyo kubalulekile ukukhumbula ukuba inethiwekhi kulula ukudibanisa kwiPC entsha. Kwakhona, oko iyamelana kwiimpazamo amacandelo ngendlela ngamnye. Kwaye konke oku kongeza amathuba yolawulo kwindawo enye. Nangona kunjalo, kukho neengxaki ezithile. Ngoko ke, kukho flow elibalulekileyo intambo. Ukongeza, le ndawo okanye hub ukungaphumeleli ichaphazele ukusebenza yonke inethiwekhi.
Ukusetyenziswa njengentsika engundoqo
Le inethiwekhi isekelwe phezu typology kwefom sangaphambili kwendalo network. Indima ephambili kule meko wadlala hub engundoqo. Kuyinto isixhobo elikrelekrele elinika uqhagamshelwano serial lezikhululo ezahlukeneyo kwi "igalelo-output", oko kubangelwa kuye, ikhompyutha nganye elidityaniswe kwezinye workstations ezimbini. Kuba uzinzo ukusebenza apha ke amakhonkco zamabanga backup. Oku kukuvumela ukuba balondoloze impilo uthungelwano, nokuba kukho umonakalo ebonakalayo. Ingxaki point nje icinyiwe. Kugqithiso lwedata usebenzisa isiphawuli okhethekileyo. Iqulathe idilesi umthumeli umamkeli ulwazi. Kufuneka kuqatshelwe ukuba, ukongeza ukuthembeka phezulu, le typology inikezela ngonikezelo ngokulinganayo kuzo zonke kwinethiwekhi workstations. Kodwa sonke kufuneka ukuba ahlawule. Kule meko libhekisela kwingcungela enkulu imigca intambo kunye nokufakelwa eninzi.
iinkuni
Le typology network kubonwa indibanisela leenkwenkwezi eziliqela. Umthi kungaba lithi zilandelayo:
- Active.
- Kwisixando sokwenziwa.
- True.
Kuxhomekeka kwimeko efunekayo kwentlawulo kubasebenzi ukhetha ukuba ufuna ukusebenzisa: iikhompyutha esembindini okanye neenafu (izikhungo). ukhetho ngamnye alungileyo kwakunye nangalunganga. Kwimeko yokuqala singathetha ngokwakha inkqubo esembindini ngakumbi kunye nokuphathwa engcono kunye like. Kodwa ke ukusetyenziswa kweendawo, okanye neenafu, jikelele kakhulu inzuzo kunye resource kunye nezicwangciso zemali ngakumbi.
ring yethopholoji efanayo
Kulo mzekelo, saba ambaxa lamajelo zonxibelelwano enye chain beqinile. Nangona kunjalo, oko akuthethi ukuba kufuneka ukuba zifane isangqa. Kule meko inika ukuba datha iya kusetyenziselwa ngaphandle computer yakho, oludityaniswe igalelo computer. Ngoko ke, xa ulwazi luza kuqalisa ukusuka nayiphi na ingongoma ethile omnye ukuphela kwayo kuya kuba njalo, ukuba Umz omnye. Idatha kula amakhonkco zisoloko ihamba kwicala elinye. Qwalasela kwaye ukuprosesa umyalezo ofunyenweyo kuphela ikhompyutha ukuya ngawo ingqwalasela. Xa ithopholoji yasebenzisa ukufikelela isiphawuli. Ubonelela ukuba ilungelo lokusebenzisa ebengumsesane ethubeni. Ngexesha ukudluliselwa data usebenzisa i ring enengqondo. Yenza kwaye wenze le womnatha ngokulula kakhulu. Kodwa ngenxa yokuba umonakalo kuloo ndawo omnye siyizise ezantsi, ngendlela yayo enyulu phantse asisetyenziswa ngenxa unreliability yayo. Ukuze usebenze zingasetyenziswa iinguqulelo ezahlukahlukeneyo typology.
imifelandawonye
Zisetyenziswa ukunciphisa okanye ukuphelisa izinto ezimbi xa nokwakha ubuhlobo phakathi kwee computer ezahlukeneyo. Yeyona ixhaphakileyo edibene network yethopholoji Iintlobo eyakhelwe inkwenkwezi, isangqa kunye nebhasi technologies. Ukuze siqonde le meko, unako ukunika imizekelo embalwa. Thatha inkwenkwezi-bus yethopholoji yokuqala. Ikakhulu lo hub. Kodwa ke elidityaniswe nje kuphela iikhompyutha ngamnye kodwa yonke ziqwempu network ibhasi. Kakade ke, mayingabi sakhululwa isicelo hub mnye, kodwa abaninzi. Kusenokwenzeka kwakhona ingasetyenziswa sokuyilwa elibizwa (main) ibhasi. Abaxhamla kule indibanisela kukuba inkqubo umlawuli Ungathatha ingqalelo zombini typologies kunye lula ngenani iikhompyutha ukuba udityanisiwe kwi network. Makhe sijonge omnye umzekelo. Kuthathwa inkwenkwezi-ring yethopholoji efanayo. On kuyo amanyene iikhompyutha hayi, neenafu, abaqhagamshelwe ngqo kunye nekhompyutha. Ngaloo ndlela, apho idala isekethi evaliweyo ukuba idibanisa iingenelo zombini ezi topologies, kwaye inani eziluncedo. Njengoko umzekelo enjalo ingabangela yokuba zonke maqumrhu zingalandwa endaweni enye. Oku kuthetha ukuba indawo uqhagamshelwano ngentambo ziza kube kunye, sisebenza nabo uya lula kakhulu.
isiphelo
Apha thina, kunye neendidi ezisisiseko network yethopholoji efanayo. Ezingenisiweyo phantsi Article ithuba lokwakha ubuhlobo phakathi kweekhompyutha ezahlukeneyo zezona zinto zithandwa ngenxa usizo kwalo. Kodwa kwezinye iimeko kufuneka topologies womnatha ezikhethekileyo ngaphezulu. uphuhliso lwabo kunye nokusetyenziswa kobugcisa sele ekhoyo lwenziwa zonke iimpawu eziyimfuneko ukuze isebenze ngokuchanekileyo, i bokuqonda kunye nemiba. Ngokuqhelekileyo into efana oku kusetyenziswa kuphela xa izibonelelo zenzululwazi emkhosini, ngoxa ubomi kuthuthwa ingaphezulu ngokwaneleyo, kunye neendlela zixhaphakileyo. Ngapha koko, ingqalelo uthungelwano yethopholoji efanayo - a kuphuhliso kwamashumi!