Optical fiber hloov yog ib hom kev ua haujlwm siab hauv lub network xa cov khoom xaib, tseem hu ua fiber ntau hloov thiab San hloov. Piv nrog rau hloov mus rau lwm tus, nws siv cov hluav taws xob fiber ntau cable ua kis tau nruab nrab. Qhov zoo ntawm cov hluav taws xob fiber ntau kis tau muaj kev kub ceev thiab muaj zog tiv thaiv kev cuam tshuam muaj peev xwm.Yog feem ntau yog ob hom kho qhov muag, ib qho yog siv los txuas FC hloov ntawm kev cia. Lwm qhov yog Ethernet hloov, qhov chaw nres nkoj yog optical fiber interface, thiab cov tsos ntawm hluav taws xob zoo tib yam interface yog tib yam, tab sis hom interface sib txawv.
Tus tes hloov fiber ntau yog dab tsi?
Cov kab hluav taws xob (FC) yog tsim rau qhov chaw cia cov chaw (SAN). Nws yog lub tshuab ua haujlwm siab ceev hauv tshuab txuas hauv computer cov ntaub ntawv khaws cia rau cov servers. Nws txhawb peb hom topology: thawj lub thiab theem nrab, uas yog lub chaw hais plaub. Hauv kev hloov pauv cov ntaub topology (tsuas yog ib tus tes hloov qhov xav tau), txhua cov khoom siv tau txuas nrog thiab sib txuas lus los ntawm kev hloov mus. Fiber channel hloov yog lub network kev sib txuas nrog fiber channel raws tu qauv (FCP), thiab muaj cov haujlwm ntawm kev ua haujlwm siab, qis qeeb thiab tsis muaj kev sib kis hauv fiber ntau channel architecture. Raws li ib qho ntawm cov tseem ceeb ntawm SAN, hloov kho cov channel channel tau ua lub luag haujlwm tseem ceeb hauv kev sib txuas nrog ntau cov chaw nres nkoj thiab cov chaw khaws khoom. Cov kab hluav taws xob channel muaj qhov kis tau tus mob siab, qis qeeb thiab muaj zog scalability. Cov kab hluav taws xob hauv lub network muaj ntau txoj haujlwm sib txawv, suav nrog kev txhawb nqa rau GBIC, cov kiv cua tsis pom zoo, lub zog hluav taws xob, zoning, lub nplhaib ua haujlwm thiab ntau yam kev cuam tshuam. Txhua qhov haujlwm muaj peev xwm nce kev ua haujlwm ntawm tag nrho switching network. Kev nkag siab txog cov yam ntxwv no tuaj yeem pab cov neeg siv tsim qauv SAN haib thiab loj-loj.
Yuav ua li cas xaiv lub xov tooj cua hloov pauv channel?
Txij li cov hloov pauv channel yog qhov tseem ceeb ntawm SAN, nws yog qhov tseem ceeb heev los xaiv lub pob hluav taws xob uas haum tshaj plaws
SAN (chaw cia hauv cheeb tsam network) yog lub network fiber ntau nplooj siab ua ke nrog cov chaw cia khoom thiab chaw pabcuam. Nws yog tsim ntawm cov servers, fiber ntau cov ntawv phaib, fiber ntau cov chaw / hloov pauv thiab fiber ntau cov chaw tso khoom. SAN tso cov kev muaj peev xwm thiab qhov sib txuas ntev los ntawm SCSI thiab zam cov shackles ntawm Ethernet kom muaj cov ntaub ntawv xa xov nrawm kis tau zoo.SAN muaj peb lub hauv paus: interface (xws li SCSI, fiber ntau channel, ESCON, thiab lwm yam), cov khoom siv sib txuas. (xws li hloov khoom siv, rooj vag, router, hub, thiab lwm yam) thiab cov tswj kev sib txuas lus (xws li IP thiab SCSI, thiab lwm yam). Peb qho kev sib koom ua ke no, ua ke nrog cov khoom ntxiv khaws cia thiab cov servers, ua rau SAN system. Cov cuab yeej tseem ceeb ntawm cov chaw khaws thaj av (SAN) yog cov hloov tawm fiber ntau. Raws li cov fiber ntau channel topology, lub kaw lus sib txuas nrog cov neeg rau zaub mov los ntawm fiber ntau channel hloov kom muab cov ntaub ntawv xa hluav taws xob nrawm thiab sib qhia, LAN dawb cov ntaub ntawv thaub qab thiab khaws cov khoom sib txuas. Fiber channel network ua lub luag haujlwm tseem ceeb hauv kev cia. Nws tuaj yeem nrhiav txhua yam hauv lub kaw lus cia, thiab tswj thiab tswj txhua yam hauv qhov system cia.
Ethernet hloov yog dab tsi?
Ethernet tau txhais los ntawm IEEE 802.3. Ethernet hloov yog qhov hloov raws Ethernet xa cov ntaub ntawv. Ethernet txais yuav LAN ntawm cov tsheb npav sib koom los xa xov xwm. Tus qauv ntawm Ethernet hloov yog tias txhua qhov chaw nres nkoj txuas ncaj qha nrog tus tswv thiab ua haujlwm nyob rau hauv tag nrho cov duplex hom. Ethernet hloov chaw tuaj yeem txuas ntau khub ntawm cov chaw nres nkoj tib lub sijhawm, kom txhua tus khub ntawm cov tswv sib txuas tau sib txuas ua ke raws li kev tshaj xov xwm sib txuas lus kom xa cov ntaub ntawv tsis muaj teeb meem.
Thaum xa tawm Ethernet network, Ethernet hloov yog qhov tseem ceeb. Nws yog cov khoom siv uas txuas txuas rau Ethernet li ua ke. Feem ntau, LAN cov khoom siv hloov mus yuav yog Ethernet raws li cov khoom siv hluav taws xob uas siv cov chaw nres nkoj hluav taws xob lossis kho qhov muag, muaj ntau cov chaw nres nkoj sib txawv. Ethernet keyboards muaj qhov nrawm ntawm 10G, 25g, 40g, 100g thiab ntau dua.
Ethernet hloov yog nrov tshaj plaws, pheej yig thiab tiav. Yog li ntawd, daim ntawv thov teb yog qhov dav heev, hauv LAN loj thiab me me tuaj yeem pom lawv cov kab. Ethernet hloov feem ntau muaj ob peb mus rau kaum ob ntawm cov chaw nres nkoj, uas yog qhov tseem ceeb siv ntau qhov chaw nres nkoj. Tsis tas li ntawd, nws qhov chaw nres nkoj tus nqi tuaj yeem sib txawv, thiab nws cov qauv ua haujlwm kuj tseem tuaj yeem sib txawv, xws li muab 10m, 100m bandwidth, muab ib nrab duplex, puv ob npaug, hloov ua haujlwm hom, thiab lwm yam.
Dab tsi yog qhov sib txawv ntawm cov hloov hluav taws xob fiber ntau thiab Ethernet hloov?
Cov kab hluav taws xob channel (FC) yog txoj kev sib txuas I / O kev sib txuas sib txuas network technology uas tuaj yeem txhawb nqa ntau yam kev cai. Faib cov kab hluav taws xob yog siv rau San, thaum Ethernet keyboards yog siv rau LAN. Tab sis rau kev khaws cov cuab yeej, cov thev naus laus zis ntawm cov ntaub ntawv nruab nrab yog feem ntau fiber ntau channel. Yog li dab' s qhov sib txawv ntawm cov xov tooj cua channel thiab Ethernet hloov? Qhov sib txawv ntawm lawv tau txheeb xyuas qhov tseeb, kev xa mus ceev thiab tus nqi
1. Kev ntseeg tau
Faib cov kab hluav taws xob yog qhov ua tsis tau, thaum Ethernet keyboards yuav muaj kev pheej hmoo ntawm cov ncej ploj. Cov kab hluav taws xob feem ntau yog muab piv rau qhov tsis muaj peev xwm ua rau Ethernet Rau kev hloov pauv cov channel, nws tuaj yeem ua haujlwm kom tiav yam tsis muaj ib tus ncej, thiab cov ntaub ntawv thav ntawv yuav tsum kis mus raws kab xwm. Cov kab hluav taws xob hauv lub vev xaib xa cov cim thaum lawv txuas nrog lwm cov khoom siv, yog li cov khoom siv no nres xa cov thav ntawv kom tsis txhob muaj cov ncej ploj. Hauv kev sib piv rau Ethernet, Ethernet pib poob ntas thaum lub network tsis sib haum, thiab tso siab rau txheej txheej txheej txheej sab saud (xws li TCP) kom txhua yam ua haujlwm zoo.
2. Kev nrawm kis
Tus pib qhov siab tshaj plaws cov ntaub ntawv ntawm cov hloov hluav taws xob channel yog 1Gbps. Tam sim no nws tau tsim rau 128Gbps thiab tseem tuaj yeem siv 8Gbps, 16Gbps thiab 32Gbps version. Kev sib kis tau ceev ntawm Ethernet hloov yog los ntawm ceev Ethernet (10 / 100Mbps), Gigabit Ethernet (10/100 / 1000Mbps), 10 Gigabit Ethernet (10/100/1000 / 10000Mbps) txog txawm tias 40 / 100Gbps. Hais txog kev sib kis ceev, Ethernet hloov zoo li surpass fiber channel hloov. Thiab ob qho tag nrho lawv nyob hauv kev kub ceev tau siv.
3. Nqi
Nqi kuj yog ib yam yuav tau txiav txim siab. Feem ntau, Ethernet keyboards yog qhov pheej yig dua li cov fiber hloov cov kab hluav taws xob. Tseem ceeb tshaj, kev saib xyuas kuj tseem yog ib qho uas yuav tsum tau txiav txim siab. Hauv qhov system IT loj, yog tias tus Ethernet hloov pauv, cov tswj xyuas feem ntau tuaj yeem coj nws. Txawm li cas los xij, thaum muaj teeb meem nrog cov paib channel hloov, lub chaw lag luam yuav tsum tig mus rau cov chaw tsim khoom. Piv nrog Ethernet hloov, fiber ntau hloov hluav taws xob adopts tsim cov qauv ntau dua, uas yuav tsum xyuas kom muaj cov ntaub ntawv khaws cia siab thiab kev tswj txoj haujlwm.
Hauv ntej, muaj qhov sib txawv tseem ceeb ntawm cov hloov hluav taws xob channel thiab Ethernet keyboards. Cov kab hluav taws xob channel yog ib hom qauv network, uas tuaj yeem sib txuas tus tswv tsev (server) thiab chaw cia khoom. Nws' s sib txawv kiag li ntawm Ethernet. Cia lub network hloov yog txawv ntawm Ethernet hloov. Thaum pib, tsuas yog nruab nrab kis rau cov channel fiber ntau, tab sis tam sim no cov twisted khub tooj liab kuj tseem siv tau. Qhov no yog qhov ntxeev ntawm Ethernet, uas pib nkag ntawm tooj liab thiab tom qab ntawd ua rau fiber ntau.
HTF' s optical module khoom yog tsim rau cov hloov pauv., Qhov zoo yog tau lees tias, thiab cov khoom ntxiv yog ntshuam.
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