Hangata re utloile ka li-switches tsa fiber optic le li-transceivers tsa fiber optic.Har'a tsona, li-switches tsa fiber optic ke lisebelisoa tsa phetiso ea marang-rang tse lebelo le phahameng, tseo hape li bitsoang li-fiber channel switch le li-switch tsa SAN.Ha li bapisoa le li-switches tse tloaelehileng, li sebelisa likhoele tsa fiber optic e le sesebelisoa sa phetiso.mahareng.Melemo ea phetiso ea fiber ea optical ke lebelo le potlakileng le bokhoni bo matla ba ho thibela tšitiso.Ho na le mefuta e 'meli ea mantlha ea li-switches tsa fiber optic.E 'ngoe ke switch ea FC e sebelisoang ho hokela polokelong.E 'ngoe ke sesebelisoa sa Ethernet, boema-kepe ke sebopeho sa fiber optical,' me ponahalo e tšoana le sebopeho se tloaelehileng sa motlakase, empa mofuta oa sebopeho o fapane.
Ho na le mefuta e meraro ea li-switches tsa fiber: li-switches tsa boemo ba ho kena, li-switches tsa faeba tsa boemo ba sehlopha sa mosebetsi, le li-switches tsa faeba tsa mantlha.Kahoo ha re qaleng ka switch ea pele ea mantlha ea fiber optic!
Li-switches tsa fiber optic tsa 1.core-level
Li-switches tse bitsoang core-level (tseo hape li bitsoang batsamaisi) li fumaneha bohareng ba SAN e kholo, li kopanya li-switches tse 'maloa ho tse ling ho theha marang-rang a SAN a nang le likou tse makholo.Sesebelisoa sa mantlha se ka boela sa sebelisoa e le sesebelisoa se ikemetseng kapa sesebelisoa sa moeli, empa mesebetsi ea sona e ntlafalitsoeng le sebopeho sa kahare se etsa hore e sebetse hantle sebakeng sa polokelo ea mantlha.Mesebetsi e meng ea phetoho ea mantlha e boetse e kenyelletsa: tšehetso bakeng sa liprothokholo tse ling ntle le fiber ea optical (joaloka InfiniBand), tšehetso bakeng sa 2Gbps Fiber Channel, le litšebeletso tse tsoetseng pele tsa optical (mohlala: ts'ireletso, kutu le foreimi ea ho hloekisa, joalo-joalo).Li-switch tsa "core-level fiber optic" hangata li fana ka likou tse ngata, ho tloha ho tse 64 ho isa ho tse 128 le tse ling.E sebelisa khokahano e pharalletseng haholo ea kahare ho tsamaisa liforeimi tsa data tse nang le bandwidth e phahameng.Sepheo sa ho sebelisa li-switches tsena ke ho haha marang-rang a maholoanyane a tšireletso le ho fana ka marang-rang a mangata.Li etselitsoe ho tsamaisa matšoao a foreimi kapele kamoo ho ka khonehang lipakeng tsa likou tse ngata ka ho lieha ho hoholo.Ho phaella moo, li-switches tsa fiber tsa mantlha li atisa ho sebelisa mapolanka a potoloho a chesang a chesang a thehiloeng ho "mofuta oa lehare": hafeela sesebelisoa se kenngoa ka har'a khabinete, mesebetsi e mecha e ka eketsoa, 'me tlhokomelo ea inthaneteng e ka boela ea etsoa.E hloka ho atolosoa.Li-switches tse ngata tsa core-level ha li tšehetse li-loop kapa lisebelisoa tse ling tse hokahaneng ka kotloloho.Ba tsotella feela core switching capabilities.Hobane ho fumaneha ke ntho ea bohlokoa ka ho fetisisa tikolohong eohle, batho ba ikemiselitse ho sebelisa chelete e ngata ho fokotsa mosebetsi.Likarolo tsohle tsa li-switches tse phahameng tse sa hlokeng letho ha li na thuso, tse felisang ka botlalo lintlha tse le 'ngoe tsa ho hloleha le ho netefatsa Uptime ea nako e telele haholo.Lits'enyehelo tsena tsa khaello ea chelete hangata li sebelisoa ho lifofane tse fumanehang ka morao, lisebelisoa tsa motlakase, li-circuits tse sa sebetseng, le software ho boloka li fumaneha.Mofuta ona oa switjha o na le lipotoloho tse ngata tse hahelletsoeng kahare ho sebetsana le liphoso tsa Hardware kahare ho switch.Li-switches tsa mantlha ho li-switches tsa fiber optic li fana ka ts'epo e phahameng ka ho fetesisa le boits'oaro ba port.Setsing sa data se nang le lisebelisoa tse ngata tsa Fiber Channel, lihlahisoa tse joalo li batla li sa sireletseha, li-switches tsa polokelo tse bohareng.Ka hona, bakeng sa marang-rang a mangata a fumanehang haholo, o lokela ho khetha marang-rang a mabeli a hahiloeng ka li-switches tsa fiber.
Li-switches tsa fiber optic tsa 2.workgroup-level
Li-switches tsa fiber optic li fana ka bokhoni ba ho theola li-switches tse ngata ho lesela le leholo.Ka ho hokahanya koung e le 'ngoe kapa ho feta tsa li-switches tse peli, likou tsohle tse amanang le sesebelisoa li ka bona setšoantšo se ikhethang sa marang-rang,' me node leha e le efe ea lesela lena e ka buisana le li-node tse ling.Ka li-switches tsa cascading, sesebelisoa se seholo, se bonahalang, se ajoang se ka thehoa, 'me sebaka seo e ka se bolelang se seholo haholo.Lesela le entsoeng ka li-switches tse ngata le shebahala joaloka lesela le entsoeng ka li-switches tse arohaneng.Likou tsa li-switches tsohle li ka bonoa 'me tsa fihlelleha joalo ka likou tse ling tsohle tsa lesela e le ho fihlella li-switches tsa lehae.Seva e kopaneng ea mabitso le ts'ebeletso ea taolo e lumella ho shebella le ho fetola tlhahisoleseling eohle ea Lesela ka sebopeho se le seng.Ntho ea bohlokoa ho theheng lesela le ajoang ke ho fumana bandwidth ea khokahano lipakeng tsa li-switches.Sekhahla se sebetsang pakeng tsa likou leha e le life tse peli se angoa ke bandwidth e sebetsang ea khokahanyo pakeng tsa li-switches, 'me ho ka' na ha hlokahala hore u sebelise likhokahano tse ngata pakeng tsa li-switches ho boloka marang-rang a hlokahalang.Li-switch tsa Workgroup Fiber Channel li ngata ebile li na le mekhoa e mengata.Li-switches tsa sehlopha sa mosebetsi li sebelisoa ka litsela tse ngata, empa sebaka se sebelisoang haholo ke SAN e nyenyane.Li-switches tse joalo li ka hokahana hammoho ka likhokahano lipakeng tsa li-switches ho fana ka likou tse ngata.Mehala ea khokahano lipakeng tsa li-switches e ka etsoa boema-kepeng bofe kapa bofe ho switch ea Fiber Channel.Leha ho le joalo, haeba u rera ho sebelisa lihlahisoa tse tsoang ho barekisi ba bangata, u tlameha ho netefatsa hore lisebelisoa li sebelisana.
3. li-switches tsa boemo ba ho kena
Ts'ebeliso ea li-switches tsa boemo ba ho kena ho li-switches tsa fiber optic e tsepamisitsoe haholo lihlopheng tse nyane tse sebetsang tse nang le likou tse 8 ho isa ho tse 16.E loketse liketsahalo tse nang le litheko tse tlase le tlhoko e nyane ea katoloso le taolo.Hangata li sebelisoa ho nkela li-hubs sebaka, tse ka fanang ka li-bandwidth tse phahameng le ho fana ka likhokahano tse tšepahalang ho feta li-hubs.Batho ka kakaretso ha ba reke li-switches tsa boemo ba ho kena ka thoko, empa hangata ba li reka hammoho le li-switches tse ling ho etsa tharollo e felletseng ea polokelo.Li-switches tsa fiber optic tsa boemo ba ho kena li fana ka boemo bo lekanyelitsoeng ba bokhoni ba ho phalla ha port.Haeba basebelisi ba sebelisa lisebelisoa tse joalo tsa maemo a tlase ba le bang, ba ka kopana le mathata a ho laola.