Sau da yawa mun ji labarin filayen fiber optic switches da fiber optic transceivers.Daga cikin su, fiber optic switches sune kayan aikin watsa shirye-shiryen watsa shirye-shiryen sadarwa mai sauri, wanda ake kira tashar tashar fiber da SAN switches.Idan aka kwatanta da na'urori na yau da kullun, suna amfani da igiyoyin fiber optic azaman kayan watsawa.matsakaici.Abubuwan da ake amfani da su na watsa fiber na gani shine saurin sauri da ƙarfin hana tsangwama.Akwai manyan nau'ikan maɓallan fiber na gani guda biyu.Ɗayan shine maɓalli na FC da ake amfani dashi don haɗawa zuwa ma'aji.Ɗayan shine maɓalli na Ethernet, tashar tashar tashar fiber ce ta gani, kuma bayyanar iri ɗaya ce da na'urar lantarki ta yau da kullum, amma nau'in haɗin gwiwar ya bambanta.
Akwai nau'ikan maɓallan fiber guda uku: madaidaicin matakin shigarwa, madaidaicin matakin fiber na rukuni-rukuni, da maɓallan fiber na ainihin matakin.Don haka bari mu fara da farkon madaidaicin matakin fiber optic switch!
1.core-level fiber optic switches
Abubuwan da ake kira core-level switches (wanda ake kira daraktoci) gabaɗaya suna cikin tsakiyar babban SAN, suna haɗa maɓalli da yawa zuwa juna don samar da hanyar sadarwa ta SAN tare da ɗaruruwan tashoshin jiragen ruwa.Hakanan za'a iya amfani da maɓalli mai mahimmanci azaman maɓalli na tsaye ko maɓallin gefe, amma ingantattun ayyukansa da tsarin ciki ya sa ya yi aiki mafi kyau a cikin ainihin yanayin ajiya.Sauran ayyuka na ainihin sauyawa kuma sun haɗa da: tallafi don ƙa'idodi ban da fiber na gani (kamar InfiniBand), goyan bayan tashar 2Gbps Fiber, da sabis na gani na ci gaba (misali: tsaro, gangar jikin da tace firam, da sauransu).Maɓallin fiber optic na matakin Core yawanci yana ba da tashoshin jiragen ruwa da yawa, daga tashar jiragen ruwa 64 zuwa tashar jiragen ruwa 128 da ƙari.Yana amfani da haɗin ciki mai faɗi mai faɗi don hanyar firam ɗin bayanai tare da iyakar bandwidth.Manufar yin amfani da waɗannan maɓallan shine don gina cibiyar sadarwa mai girma da kuma samar da bandwidth mafi girma.An ƙera su don tafiyar da siginar firam ɗin cikin sauri tsakanin mashigai da yawa tare da mafi guntuwar jinkiri.Bugu da ƙari, ƙwanƙwasa fiber mai mahimmanci sau da yawa suna amfani da allunan kewayawa masu zafi-swappable dangane da "nau'in ruwa": idan dai an shigar da allon canzawa a cikin majalisar, za a iya ƙara sababbin ayyuka, kuma ana iya aiwatar da kulawa ta kan layi.Bukatar fadadawa.Yawancin maɓalli na asali ba sa tallafawa madaukai masu daidaitawa ko wasu na'urorin madauki da aka haɗa kai tsaye.Suna kawai kula da iyawar sauya ainihin asali.Saboda samuwa shine mafi mahimmanci a cikin dukan yanayi, mutane suna shirye su kashe ƙarin kuɗi akan sakewa.Duk abubuwan da aka haɗa na manyan juzu'i na sake sakewa ba su da yawa, wanda ke kawar da gaba ɗaya maki guda na gazawa kuma yana ba da garantin Uptime na dogon lokaci.Ana kashe waɗannan abubuwan kashe kuɗi akan sakewa gabaɗaya akan manyan jirage na baya, samar da wutar lantarki, da'irori masu yawa, da software don kiyaye samuwa.Wannan nau'in sauyawa yana da da'irori da yawa da aka gina a ciki don magance gazawar hardware a cikin maɓalli.Maɓalli na asali a cikin firam ɗin fiber optic suna ba da mafi girman dogaro da yawan tashar tashar jiragen ruwa.A cikin cibiyar bayanai tare da adadi mai yawa na kayan aikin Fiber Channel, irin waɗannan samfuran kusan ba su da rauni, maɓallan ajiya na tsakiya.Don haka, don mafi yawan manyan cibiyoyin sadarwa, yakamata ku zaɓi hanyar sadarwar tashoshi biyu da aka gina ta core fiber switches.
2.workgroup-level fiber optic switches
Fiber optic switches yana ba da damar jujjuya masu sauyawa da yawa zuwa babban Fabric.Ta hanyar haɗa ɗaya ko fiye da tashar jiragen ruwa na masu sauyawa guda biyu, duk tashar jiragen ruwa da ke da alaƙa da sauyawa za su iya ganin hoto na musamman na cibiyar sadarwa, kuma kowane kumburi a kan wannan masana'anta zai iya sadarwa tare da wasu nodes.Ta hanyar maɓalli na cascading, ana iya kafa babban, kama-da-wane, mai rarrabawa, kuma nisan da zai iya ɗauka yana da girma sosai.Yadudduka da aka gina na maɓalli da yawa yana kama da masana'anta da aka haɗa da maɓalli daban-daban.Ana iya duba tashoshin jiragen ruwa a kan duk maɓallai da samun dama kamar sauran tashoshin jiragen ruwa a kan masana'anta kamar samun dama ga maɓallai na gida.Haɗin uwar uwar garken suna da sabis na gudanarwa suna ba da damar dubawa da gyara duk bayanan Fabric ta hanyar dubawa ɗaya.Wani muhimmin mahimmanci wajen ƙirƙirar masana'anta da aka rarraba shine don samun bandwidth na haɗin kai tsakanin masu sauyawa.Matsakaicin ƙimar da ke tsakanin kowane tashar jiragen ruwa guda biyu yana shafar ingantaccen bandwidth na haɗin kai tsakanin masu juyawa, kuma yana iya zama dole a yi amfani da haɗin haɗin kai da yawa tsakanin masu sauyawa don kula da bandwidth mai mahimmanci.Maɓallan Tashoshin Fiber ɗin Aiki suna da yawa kuma suna da yawa.Ana amfani da maɓalli na ƙungiyar aiki ta hanyoyi da yawa, amma yankin da aka fi amfani dashi shine ƙarami SAN.Ana iya haɗa irin waɗannan maɓallai tare ta hanyar haɗin kai tsakanin maɓalli don samar da ƙarin tashar jiragen ruwa.Za a iya ƙirƙirar layin haɗin kai tsakanin maɓalli akan kowace tashar jiragen ruwa akan tashar Fiber Channel.Koyaya, idan kuna shirin amfani da samfuran daga masu siyarwa da yawa, dole ne ku tabbatar da cewa na'urorin suna yin aiki tare.
3.matakin shigarwa
Aiwatar da matakan shigarwa a cikin maɓallan fiber optic ya fi mayar da hankali a cikin ƙananan ƙungiyoyin aiki tare da tashar jiragen ruwa 8 zuwa 16.Ya dace da lokatai tare da ƙananan farashi da ƙananan buƙatu don haɓakawa da gudanarwa.Ana amfani da su sau da yawa don maye gurbin cibiyoyi, wanda zai iya samar da bandwidth mafi girma da kuma samar da haɗin gwiwa mafi aminci fiye da cibiyoyi.Jama'a gabaɗaya ba sa siyan musaya matakin shigarwa daban, amma galibi suna siyan su tare da sauran matakan musanya don samar da cikakkiyar maganin ajiya.Maɓallan fiber na gani na shigarwa-matakin shigarwa yana ba da iyakataccen matakin iya cakuɗewar tashar jiragen ruwa.Idan masu amfani suna amfani da irin waɗannan ƙananan na'urori kawai, za su iya fuskantar wasu matsalolin gudanarwa.