I-High-Performance Optical Fiber Ethernet Switch: Isixazululo Esithuthukisiwe Senethiwekhi Yesikhungo

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iswithi le-ethernet yemifula yesilika

Isikhombisi se-ethernet sefayibha le-okhulahlileyo yindlela elihleke ukuxhumana okuhlanganisa amandla angcono asefayibha le-optic neemisebenzi ye-ethernet esijwayelekileyo. Le ndlela ephumelelayo ikhankatha ukutumathelwa kwezinto ngokudluliselwa kwezifayibha le-optic, ekuvumela ukuxhumana ngokukhawuleza phambi kuka-100 Gbps nangokoqobo komoya kude emkhawulweni. Isikhombisi senza umshakiso wezinhlamvu ezifayibheni kuzinhlamvu zokudlula kwezimali futhi kanje, kuvumela ukuxhumana ngokunxulumene phakathi kwezifayibha nezinye i-inthanethi ezisemleni. Inezinhloso eziningi ze-optic njengoba nezinhlangothi ezijwayelekileyo zase-RJ45, ekusikleni imigaba lemmandla neemisebenzi. Lezi sikhombisi zinezinto ezinhle ngaphandle kokuqinisekiswa kama-VLAN, ukuphepha kweQoS, nokusekelo olukhanyayo oluvumela ukutumathelwa kwezinto ngokuthembekile kanye nokujwayelekile. Zidizainwe specifically ukubophelela izidingo eziphambene nemisebenzi yesiseko samakheli aphakeme, kanye namadatha yenkampani, amandla wokuxhumana, nezemvikelelo zokuthutha. Imigawo yasekhaya yesikhombisi iyafaka i-optical transceivers, izinkomba zokucoca, neemisebenzi yokugcina okuyimfuneko lokushintshana neekhompiyutha. Ngaphezu kwalokhu, lezi sikhombisi zingafaka i-interface yokuphatha ukusindisa, ukujonga, nokulungisa amaphutha, okuvumela ukuba yisikhombisi esiyanele kunezinkinga zamakheli aphakeme nezinkinga ezincane.

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Isithwici se-ethernet sefayela sokuxhumana sikhona nezinhloso eziningi eziyisisekelo esidlangalaleni somphakathi wenkqubo yokuxhumana. Okokuqala, sikhona ukukhula nokwehlukaniswa kwamathatha athola amathuba okulandelana kedata okuphindwe kabili ngaphezulu kohlelo lwesilinda olusebenzisa amagcabhu amadala. Le nto ikhulu kakhulu kumaqembu ohlinzekayo ngemathatha amakhulu noma abeza ukusebenzisa imathatha ngokusheshayo. Ukunikeza isiqiniso semathatha embaphakathi ngemathamba aphezulu engavuthwa yinto efanayo yesikoleni nezinhlango zokuxhumana phakathi kwezinkqubo. Inhloso enye etholakaleya yileyo sithwici yindlela yokungasekhathelwe yimanyano yemali yelekthromagnetika, ekhuselela ukuthi imathatta ayivutwe lula endaweni enhlelekileyo. Ukwakhiwa kwayo okutholisa izinkqubo zefayela nezilinda zixhumiwa ngekona elikhulu lokuhlenjelwa kwenzokuxhumana futhi likhuselela ama-qembu ukuthi ibe yifayela ngokuzuzwe futhi libe nenkqubo yakho yamanje. Kuhlolweni kwesiqiniso, izinkqubo zefayela zikhuseleka ngaphezulu kuzilinda, njengoba kungenzeka ukuthi zibekwe noma zihlinzekwe ngaphandle kokuboniswe. Iinkqubo zakhe ezininzi zenkululeko zenza amakhankatha ukuthi bakhulelwe ngokuphelele inkqubo yokuxhumana, ukuze abasebenzisi bakwazi ukuthi babuyeke kakhulu isebenta nezopolithi zokusekela. Ubunjwa bendawo yindlela enye etholakaleya, njengoba iteknoloji yefayela ineedwa amandla angaphansi kohlolweni lwamaqondo amadala. Ubuciko nobude besikoti sefayela sikhonza ukunciphisa izindleko zokuhlola futhi sikhube ukuphila kwamathina.

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iswithi le-ethernet yemifula yesilika

iswitchi sefiber kunye neswitchi yeeethernet

iswitchi yezinhlobo 24

iswitchi enenye ipoti ye-fiber

iswichi se-poe yesimakade

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Ukulawulwa kweNkqubo yokuhlangana nokukhokha

Isiswitchi sefayela sokuxhumeka sasematholeni senqwelwe ekunxenyeni yekhowudi yolawulo lomkhakha ngokusheshayo. Le ndawo ikunciphise abasebenzisi ukuba baphumelele ukugcina isigalelo sobudlelwane, ukuvuleka komsebenzi, nokukhusekwa kwesikhangiso kuwo wonke amakhobokazi wesikhangiso. Isiswitchi inamacala athola ukwengeza izicelo zokuvula, ukusetshenziswa kolawuli, nobungazinduna obungenhla. Abasebenzisi bakwenzela ukucubungula i-VLANs, ukusebenzela izisino ze-QoS, nokulawula ukufinyelela ngokusebenzisa uhlelo lokulawula olulodwa. Isistimu nakwesikhathi elilodwa sinikeza imithi yokubhaliswa nezinhlobo zokukhusekwa, ukuze kube khona ukufinyelela okuphezulu kumkhakha nokuthunyelwa kwedatha. Imicubheko yokulungisa izinkinga ezinhle ekunciphise ukuthimele kwaye ukuvuselela ukusebenza okuphezulu.

Umsebenzi Omkhulu Nokuhlola Ekupheleni

Ukuchithwa kwe-swithi kudale ngokuzigaba okuqukethwe yizinhlayiya zokuxazulula nezinhlelo yokuxhuba, ekunikeza amandla okuthumela idatha. Inhlelo ikhankanyela imivo yamathola we-fiber optic nezindleko, kunoma 1G, 10G, 40G, namanye atholakala 100G, ekunikeza ukuthuthukiswa kwamanqaku kakhulu esikoleni. Iziphumo zokulungisa impawu nokuthuthukisa isiyinali ezifakwe khona zihlinza ukuthi idatha ibe yinto ethile noma emaphakathi akhangelwa ngemizi. Ukuchithwa kwe-swithi kokungabi ngekati kuvumela ukuxhumana ngokuphelele kuzo zonke izimbali ngalokho, ekhathaze ubungako bendawo nefficiency yenkolo. Ngaphezu kwalokho, izinsiza zokumelela nezinhlelo ongayithola futhi zingatshintshwa zibandze kakhulu kusisweni nekusebenza ngokuphelele.

Ukuthunyelwa Okuningi Ne-Ukuthuthukiswa

Enye yezinkaba eziphambene kakhulu ye-switch yethernet yesithawu sezingqungqo ukuthi ikhona ukusebenzisa ngokuvamile imigqa yokuxhumana nezingxenye zokuthutha. I-switch iyindlela yokuxhumana nezinhlobo eziningi zezingqungqo, kunoma ukuxhumana okujwayelekile kwe-RJ45, okunika amandla ukuxhumeka ngokuzuzwe nenqubomkonto yakho yezingqungqo. Le ndlela yokuxhumana ngokudluliselwa ikhona ukuba izinhlonipho zenkululeko yokuguqula kusikhathi esifanayo kwezinye izingqungqo nasekuhloleni ukuphumelela kwemisebenzi. I-switch ikhanya nezinhlobo eziningi zezithawu nezinhlobo zokuxhumana, okunika ukukhanya kwezimali zokuhlola nezokwenza. Izici ezinhle njenge-aggregation kanye ne-spanning tree protocols zinika amandla ukudala izinto ezinezimo eziphumelelayo nezokugcina ukulahleka ngokuzuzwe. Indlela yokudizaynwa engenakudala ikhona ukuchweka kakhulu komkhiqizo wemigqa nokuthutha izici ngemuva kokuthuthwa kwezingqungqo.