Nthawi zambiri tamva za ma switch a fiber optic ndi ma transceivers a fiber optic.Zina mwa izo, zosinthira za fiber optic ndi zida zotumizirana ma network zothamanga kwambiri, zomwe zimatchedwanso ma switch switch ndi ma SAN switch.Poyerekeza ndi masiwichi wamba, amagwiritsa ntchito zingwe za fiber optic ngati zida zotumizira.wapakati.Ubwino wa kufala kwa fiber optical ndi liwiro lachangu komanso mphamvu zotsutsana ndi kusokoneza.Pali mitundu iwiri ikuluikulu ya masiwichi a fiber optic.Chimodzi ndi chosinthira cha FC chomwe chimagwiritsidwa ntchito kulumikiza kusungirako.Wina ndi chosinthira cha Efaneti, doko ndi mawonekedwe a fiber optical, ndipo mawonekedwe ake ndi ofanana ndi mawonekedwe wamba amagetsi, koma mawonekedwe amtundu ndi wosiyana.
Pali mitundu itatu ya masinthidwe a fiber: masiwichi olowera, masiwichi amtundu wamagulu ogwira ntchito, ndi masiwichi amtundu wapakatikati.Chifukwa chake tiyeni tiyambe ndi chosinthira choyambirira cha fiber optic!
1.core-level fiber optic switches
Zomwe zimatchedwa ma core-level switch (omwe amatchedwanso otsogolera) nthawi zambiri amakhala pakatikati pa SAN yayikulu, kulumikiza masiwichi angapo am'mphepete kuti apange netiweki ya SAN yokhala ndi madoko mazana.Chosinthira pachimake chitha kugwiritsidwanso ntchito ngati chosinthira choyimirira kapena chosinthira m'mphepete, koma ntchito zake zowonjezera komanso mawonekedwe amkati zimapangitsa kuti zizigwira ntchito bwino pamalo osungira.Ntchito zina zosinthira pachimake zimaphatikizansopo: kuthandizira ma protocol ena osati optical fiber (monga InfiniBand), kuthandizira kwa 2Gbps Fiber Channel, ndi mautumiki apamwamba apamwamba (mwachitsanzo: chitetezo, thunthu ndi kusefa chimango, etc.).Masinthidwe amtundu wa fiber optic nthawi zambiri amakhala ndi madoko ambiri, kuyambira madoko 64 mpaka madoko 128 ndi zina zambiri.Imagwiritsa ntchito kulumikizana kwakukulu kwamkati kuti iyendetse mafelemu a data okhala ndi bandwidth yayikulu.Cholinga chogwiritsa ntchito masiwichiwa ndikumanga maukonde okulirapo komanso kupereka bandwidth yayikulu.Amapangidwa kuti aziyendetsa ma siginecha mwachangu momwe angathere pakati pa madoko angapo ndikuchedwa kwafupi.Kuphatikiza apo, masiwichi apakati a fiber nthawi zambiri amagwiritsa ntchito matabwa ozungulira otentha otengera "mtundu wa tsamba": bola ngati chosinthiracho chikuyikidwa mu nduna, ntchito zatsopano zitha kuwonjezeredwa, komanso kukonza pa intaneti kungathekenso.Zofunika kukulitsidwa.Ma switch ambiri apakatikati samathandizira malupu olumikizirana kapena zida zina zolumikizidwa mwachindunji.Amangoganizira za kuthekera kosinthira koyambira.Chifukwa kupezeka ndikofunika kwambiri m'chilengedwe chonse, anthu ali okonzeka kugwiritsa ntchito ndalama zambiri pochotsa ntchito.Zigawo zonse za masiwichi otsika kwambiri ndizochepa, zomwe zimathetsa kulephera kumodzi ndikutsimikizira nthawi yayitali kwambiri ya Uptime.Ndalama zomwe zimagwiritsidwa ntchito pa redundancy nthawi zambiri zimagwiritsidwa ntchito pa ndege zobwerera kumbuyo, zida zamagetsi, mabwalo osafunikira, ndi mapulogalamu kuti azitha kupezeka.Kusintha kotereku kumakhala ndi mabwalo ambiri omangidwa kuti athe kuthana ndi zolephera za Hardware mkati mwa switch.Kusintha kwapakati pama switch a fiber optic kumapereka kudalirika kwambiri komanso kusasunthika kwa madoko.Pamalo opangira ma data okhala ndi zida zambiri za Fiber Channel, zinthu zotere sizingawonongeke, zosintha zapakati zosungira.Chifukwa chake, pamanetiweki ambiri omwe amapezeka kwambiri, muyenera kusankha ma netiweki apawiri omwe amapangidwa ndi ma core fiber switch.
2.workgroup-level fiber optic switches
Kusintha kwa Fiber optic kumakupatsani mwayi wosinthira masiwichi ambiri kukhala Nsalu yayikulu.Mwa kulumikiza madoko amodzi kapena angapo a masiwichi awiri, madoko onse olumikizidwa ndi chosinthira amatha kuwona chithunzi chapadera cha maukonde, ndipo mfundo iliyonse pansalu iyi imatha kulumikizana ndi mfundo zina.Kupyolera mu ma switch otsika, chosinthira chachikulu, chowoneka bwino, chogawidwa chikhoza kukhazikitsidwa, ndipo mtunda womwe ungatalike ndi waukulu kwambiri.Nsalu yopangidwa ndi masiwichi angapo imawoneka ngati nsalu yopangidwa ndi masiwichi osiyana.Madoko pamasinthidwe onse amatha kuwonedwa ndikufikiridwa ngati madoko ena onse pansalu monga kulowa ma switch am'deralo.Seva yolumikizana ya dzina ndi ntchito yoyang'anira imalola kuwona ndikusintha zidziwitso zonse za Nsalu kudzera mu mawonekedwe amodzi.Chofunika kwambiri pakupanga nsalu yogawidwa ndikupeza bandwidth ya kugwirizana pakati pa zosintha.Mlingo wogwira ntchito pakati pa madoko awiri aliwonse umakhudzidwa ndi bandwidth yogwira ntchito yolumikizirana pakati pa masinthidwe, ndipo pangakhale kofunikira kugwiritsa ntchito maulumikizidwe angapo pakati pa masinthidwe kuti musunge bandwidth yofunikira.Zosintha za Workgroup Fiber Channel ndizochulukirapo komanso zosunthika.Kusintha kwamagulu ogwirira ntchito kumagwiritsidwa ntchito m'njira zambiri, koma malo omwe amagwiritsidwa ntchito kwambiri ndi SAN yaing'ono.Kusintha kotereku kumatha kulumikizidwa palimodzi kudzera mumizere yolumikizirana pakati pa masinthidwe kuti apereke madoko ambiri.Mizere yolumikizirana pakati pa masinthidwe imatha kupangidwa padoko lililonse pa switch ya Fiber Channel.Komabe, ngati mukufuna kugwiritsa ntchito zinthu zochokera kwa ogulitsa angapo, muyenera kuwonetsetsa kuti zidazo zimagwirizana.
3.kusintha kwa mlingo wolowera
Kugwiritsa ntchito masinthidwe olowera muzosinthira za fiber optic kumakhazikika m'magulu ang'onoang'ono ogwira ntchito okhala ndi madoko 8 mpaka 16.Ndizoyenera nthawi zokhala ndi mitengo yotsika komanso kufunikira kochepa pakukulitsa ndi kasamalidwe.Nthawi zambiri amagwiritsidwa ntchito m'malo mwa ma hubs, omwe angapereke ma bandwidth apamwamba ndikupereka maulumikizidwe odalirika kuposa ma hubs.Anthu nthawi zambiri samagula ma switch olowera padera, koma nthawi zambiri amawagula limodzi ndi masiwichi ena kuti apange njira yosungira.Masiwichi olowera amtundu wa fiber optic amapereka mwayi wocheperako wapadoko.Ngati ogwiritsa ntchito akugwiritsa ntchito zida zotsika ngati zokha, amatha kukumana ndi zovuta zowongolera.