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    Ke mefuta efe ea li-switches tsa fiber optic tse ka aroloa ka tsona?

    Nako ea poso: Apr-29-2021

    Hangata re utloile ka fiber opticli-switchesle li-transceivers tsa fiber optic. Har'a bona, fiber opticli-switcheske lisebelisoa tsa phetiso ea marang-rang ea lebelo le phahameng, hape li bitsoa fiber channelli-switchesle SANli-switches. Ha e bapisoa le e tloaelehilengli-switches, ba sebelisa lithapo tsa fiber optic e le thepa ea ho fetisa. 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 fiber opticli-switches. E 'ngoe ea tsona ke FCswitjhase sebedisoang ho hokela polokelong. E 'ngoe ke Ethernetswitjha, kou 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 fiber optic ea pele ea mantlhaswitjha!

    Li-switches tsa fiber optic tsa 1.core-level

    Ho thoeng ke core-levelli-switches(bao hape ba bitswang batsamaisi) ka kakaretso ba fumaneha bohareng ba SAN e kgolo, e kopanyang mathoko a mmalwali-switchesho e mong ho theha marang-rang a SAN a nang le likou tse makholo. Ea mantlhaswitjhae ka boela ea sebelisoa e le e ikemetsengswitjhakapa bohaleswitjha, empa mesebetsi ea eona e ntlafetseng le sebopeho sa ka hare li etsa hore e sebetse hantle sebakeng sa polokelo ea mantlha. Mesebetsi e meng ea mantlhaswitjhahape li kenyelletsa: ts'ehetso ea 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. Morero oa ho sebelisa tsenali-switcheske ho aha marang-rang a maholo a tšireletso le ho fana ka bandwidth e kholoanyane. Li etselitsoe ho tsamaisa matšoao a foreimi kapele kamoo ho ka khonehang lipakeng tsa likou tse ngata ka ho lieha ho hoholo. Ntle le moo, li-switches tsa fiber ea mantlha hangata li sebelisa liboto tsa potoloho tse chesoang tse chesang tse thehiloeng ho "mofuta oa lehare": ha feelaswitjhaboto e kenngoa ka har'a kabinete, ho ka eketsoa mesebetsi e mecha, 'me tlhokomelo ea inthaneteng e ka etsoa hape. 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 tse phahameng-redundancyli-switchesha 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 lifofaneng tsa morao-rao tse fumanehang haholo, lisebelisoa tsa motlakase, li-circuits tse sa sebetseng, le software ho boloka li fumaneha. Mofuta ona oaswitjhae na le lipotoloho tse ngata tse hahiloeng ka har'a logic ho sebetsana le ho hloleha ha hardware ka hare hoswitjha. Ea mantlhali-switcheska fiber opticli-switchesfana ka botšepehi bo phahameng ka ho fetisisa le boema-kepe. 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.

    2.workgroup-level fiber opticli-switches

    Li-switches tsa fiber optic li fana ka bokhoni ba ho theola ba bangatali-switchesho kena Lesela le leholo. Ka ho hokahanya koung e le 'ngoe kapa ho feta tsa li-switches tse peli, likou tsohle li hokahane leswitjhae ka bona setšoantšo se ikhethang sa marang-rang, 'me node leha e le efe holim'a lesela lena e ka buisana le li-node tse ling. Ka li-switches tsa cascading, e kholo, ea sebele, e ajoaswitjhae ka thehoa, ’me sebaka seo e ka se bolelang ke se seholo haholo. Lesela le entsoeng ka li-switches tse ngata le shebahala joaloka lesela le entsoeng ka li-switches tse arohaneng. Li-ports ho tsohleli-switchese ka shejoa le ho fihlella joalo ka likou tse ling tsohle tse holim'a 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 theha lesela le ajoang ke ho fumana bandwidth ea khokahano lipakeng tsali-switches. Sekhahla se sebetsang lipakeng tsa likou life kapa life tse peli se angoa ke bandwidth e sebetsang ea khokahano lipakeng tsali-switches, 'me ho ka' na ha hlokahala hore u sebelise likhokahano tse ngata pakeng tsa li-switches ho boloka bandwidth e hlokahalang. Li-switch tsa Workgroup Fiber Channel li ngata ebile li na le mekhoa e mengata. Sehlopha sa mosebetsili-switchesli 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 Fiber Channelswitjha. 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.boemo ba ho kenali-switches

    Tšebeliso ea li-switches tsa boemo ba ho kena ho fiber opticli-switchese 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 boemo ba ho kenali-switcheska thoko, empa hangata li reke hammoho le maemo a mang a li-switches ho theha 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.

     



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