Iswichi esebenza ngokukhulu kwe-Fiber: Isisombululo se-Optical Networking esiphambili yeziqephu nezindawo zokugcina idatha

Thola Isilinganiso Samahhala

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Isikhombisi se-fiber kuya ku-fiber sibonakala ngokuba yikhiye ebalulekile ye-nethiwekhi enikela amandla ukuxhuma ne-isikhombisi phakathi kwezinhlobo eziningi ze-cable ye-fiber optic kumathibini we-data communication. Le ndawo enhle enikela amandla ukulayisha imithwalo ye-optical phakathi kwezinhlobo ezahlukene ze-fiber paths ngaphandle kokudinga ukuguqula optically-electrically-optically, kuyekela ubunzima ne- speed. Xhuma emsini wokugcina, lezi sikhombisi sebenzisa izinkomba zemfanelo ye micro-electro-mechanical systems (MEMS) noma izinye i-tech ezokuguqula izimboniso zelight ngokungcolana futhi nge latency encane. Le switch ikhansela amathayiphi angahlanu we-fiber, akanti single-mode na multi-mode fibers, kanye inake ukuphatha amawavelength angahlanu ngasinye. Izi fiber switches zamanje ziqukela ukuhlolwa okuzenzekelayo komkhawulo, amandla wokuphatha ngaphandle kwendawo, nezinsekelo ezimbili zezinsuku zokwenza ubunzima obuningi. Le ndawo usebenza kakhulu kumathibini we-telecommunications, data centers, umthombo wenethiwekhwe, namathibini we-television cable, lapho kudingeka ukuxaziswa kwe-data kubona ngokushesha nokuzinzelwa. Lo tech ikhansela konke point-to-point ne mesh network configurations, lokho kuyenza kube yimali yindlela ngaso sonke isimo senethiwekhwe. Noma data rates enikeza amabinzana angahlanu kusikhashana, lezi sikhombisi zinemigomo esikhundleni sokuphatha izisebenzelo eziphezulu kwebandwidth kanye nokuyekela ubunzima benthakhiwe ngenxa yokuguqula ngokushesha.

Izincomo Zomkhiqizo Omusha

Isithwakala se-fiber kuya ku-fiber sikhokha amanye amathiselwe alungiselelwa okwenza yena ngumhlobo ongenelanga esetshenziswa kakhulu ekushintshashini lezinhlangano. Okokuqala, sikhokha imigomo emikhulu yokuxhumeka nezindlela zokulayisha idatha, ekuvumela ukuthi izilayisho ze-data zingaphezulu kakhulu kunezinye iindlela ezisembenziwe ngokwezindaba. Le migaqo ephumelelayo ikhona kakhulu engenhla abasebenzisa izinhlangano ezingenela ivolumu elikhulu ledata noma abadinga ukusebenzisa data ngokushesha. Isikhothamandla sokugcina isiqiniso sesiyawo (signal integrity) phakathi kwamanje amaningi asengaphansi komkhawulo ayenza yena ngumhlobo ongenelela ethekwini nezinhlongo eziphakeme. Enye indlela enkulu yokukhanya yona kukudala okuphantsi kokuzalisa iphrojekthi, ngoba isikhokamelo esembenziwe ngokushesha sokuxhumana kusimisa inqubo yokuguqula isiyawo, bekuyazi ukuthi idatha ithunyelwe ngokushesha kangaka. Isithwakala senqaku lokusekela amanye amawavelengths ngokusetshenzisa iteknoloji ye-wavelength division multiplexing (WDM) efektivileya kubonisa izindlela zokulayisha idatha kufomu yenye le-fiber, ekuvumela ukuthi usebenze ngokuhambisana nezinselelo. Kuye neziganeko zokusebenza, izithwakala se-fiber kudinga ukulungiswa okuncane futhi zikhokha ukuthula oluningi, okungenza ukuthi kube lula ukuthi kuthinte izikhawulo nezinga eliphezu kwalokhu kusebenzwa. Izithwakala zakhokha futhi ukuphepha okuningi, ngoba iziyawo zokushisa kakhulu zidinga ukuthi kuthintelwe noma kuthibelelwe ngokulinganayo nezinye iziyawo. Ukusebenza ngokuthuthukile kwezimali ikhona enye into eqondile, ngoba leso sithwakala singena amandla angaphansi kwezinye izinhlelo zokushintsha, kudinga ukuthi kusebenziswe kakhulu. Ukuthuthukile kwayo nokuthola amandla kuvumela ukuthi izinhlangano zenze ubunjwa bokuthola amandla wabo ngendlela engenabangawo yokuguqula izinhlelo, bekuyazi ukuthi yena ingxenye ethuthukisiweyo. Ngokwesibonelo, ukutholakala kwayo nezinhlelo zasekuqaleni zezifomu le-fiber zingenisa ukuthi kuthunyelwe ngokushesha kwi-inthanethi njalo, ekuvumela ukuthi kube lula ukuthi kuthinte amandla wasekuqaleni ngenxa yokuthi kuthinte izinhlelo.

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Isayensi senqanawe yokuxubha kwesibonelo

Isayensi senqanawe yokuxubha kwesibonelo

Isikhombisi se-fiber kuya ku-fiber sikhombisa ukusebenzisa teknoloji yekhwekhwebhu le-optical enguqu ngokukhulu ekupakathini komphakathi wokuxhumana. Le ndawo encane faka imikhi-mirrors engenye ne-photonic integrated circuits ukulondoloza amasinyo wezibonelela phakathi kwezindlela zase-fiber ngokwemfanelo futhi ngekasi elikhulu. Ukusebenzi kwekhwekhwebhu kusebenza noma kube ngaphandle kokuguqula amasinyo e-optical kuweyona elekthronethi, kubonisa intokozo yesinyo futhi ikhonzile ukusebenza okusha ngenkathi eningi. Teknolojithi lena ikhansela amandla wekhwekhwebhu amaningi, akunandi ukulayisha, ukubekeka kanye nokuxhumana okuhlanganisa-ku-point, ukunikeza ubunjwa obuningi bama-aplikesheni amaningi. Inkinobeko yekhwekhwebhu lokugcina amawavelengithi amaningi ngesikhathi esifanayo ngokusebenzisa teknoloji ye-dense wavelength division multiplexing (DWDM) iyahlukanisa kakhulu inkawulo yokungeniswa, lokhu kuyisikhali esifanelekileyo kumaqhubekayo amaningi.
Izici Ezinhle Zokwenza Umphakathi Ukuhlanjelana

Izici Ezinhle Zokwenza Umphakathi Ukuhlanjelana

Isithwici se-fiber kuya ku-fiber sikhombisa izimo zokwenza ukuthi isihlanu solwandile siqhubeke noma ngemva kwezimo eziphakeme. Inqubo inamame amaphuzu okulungiswa okungenqelwa ngokusheshayo futhi akhishwe isixhumo ngendlela yokudonsa, kubaluleka ukuphantsi kwesihlanu. Izingxenye ezifakiweyo zokuphindwa, ifaka phakathi amakhawuntula amabili nezinye izinkomba zokukhondla, zinikeza izinhlobo ezingu-2 yokuprotektha kwezindleko zokwenza. Inqubo yokuhambo iqhutywa ye-intlijiyenthi iyagcina ukulandelelwa kwezindawo, imiphumela yesithwici, neqembu lokuxhumana, loku kuvumela ukwenza inkumbulo ethinte inqubomgomo kanye nokunquma izinkinga ezengeziweyo zesihlanu. Lezi zimo zokwenza ziphandakanywa ngezindlela ezinhle zokuhlola futhi zokubika ama-rhporti ezivumela abasebenzisi besihlanu ukutholakala kanye nokuthola izinkinga ngokusheshayo.
Ukuphathwa kanye nokukhondla Okuhlelwe

Ukuphathwa kanye nokukhondla Okuhlelwe

Iziswitchi zokuguqula umqondo wesilini ezintsha zinezinhlelo yokuphatha nokukhawuleza ezifanelekileyo okwenza ukuphathwa kwenethiwekhi kube lula futhi ukusebenza kube ngcono. Inhlelo yokuphatha ene-integrated ikhombisa ukulandwa ngokushesha koonxenye zazo zonke iziswitchi, kanye nendawo yepoti, imigqa yamandla, nezindikimba zokudlulisela. Iziphumakelo ezinjengo-Quality of Service (QoS) zenzele ukuba abaphathi balethe indawo ebalulekileyo yesixhumi futhi ubike amathuluzi ngokungcono. Isiswitchi isekela iiprothokholi nezinye i-interface yokuphatha, okwenzelwe ukuthi inhlanganise ngempeleni nenethiwekhana yakho esikhundleni. Iziphumakelo zokugcina nokulandwa kude kunciphisa ukudinga ukulandwa phakathi kwenethiwekhi, akeke iziphumakelo eziphepha ukungena okungeke kube nemvume futhi ukutshintshwa kwemilayezo. Inhlelo nayo ikhomba izibonelo ezingcono zokusebenza nezinkomba zokulandelwa okunakekela ukusebenza kwenethiwekhi futhi ukubeka inkulumo mayelana nokudinga kwebandwidth emuva.

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