Mai haɓaka kayan aikin sadarwa Ciena ya gabatar da tsarin sarrafa siginar gani. Zai ƙara saurin watsa bayanai a cikin fiber na gani zuwa 800 Gbit/s.
A ƙarƙashin yanke - game da ka'idodin aikinsa.
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Bukatar ƙarin fiber
Tare da ƙaddamar da sabbin hanyoyin sadarwa na zamani da kuma yaduwar na'urorin Intanet na Abubuwa, bisa ga wasu ƙididdiga, adadin su. biliyan 50 a cikin shekaru uku - yawan zirga-zirgar ababen hawa na duniya zai karu ne kawai. Deloitte ya ce abubuwan da ake amfani da su na fiber optic, wanda shine tushen hanyoyin sadarwar 5G, ba zai isa ya iya ɗaukar irin wannan nauyin ba. Ra'ayin hukumar nazari yana goyon bayan da masu samar da girgije.
Don magance halin da ake ciki, ƙungiyoyi da yawa suna aiki akan tsarin da ke ƙara yawan kayan aiki na "Optics". Ɗaya daga cikin hanyoyin warware matsalar ita ce Ciena - ana kiranta WaveLogic 5. A cewar injiniyoyin kamfanin, sabon na'ura mai sarrafawa yana da ikon samar da kudaden canja wurin bayanai har zuwa 800 Gbit / s a tsawon zango guda.
Yadda sabon mafita ke aiki
Ciena ya gabatar da gyare-gyare guda biyu na WaveLogic 5. Na farko ana kiransa WaveLogic 5 Extreme. Tsarin zane ne , wanda ke aiki azaman mai sarrafa siginar dijital () cibiyar sadarwa fiber optic. DSP yana canza siginar daga lantarki zuwa na gani da kuma akasin haka.
WaveLogic 5 Extreme yana goyan bayan fitar da fiber daga 200 zuwa 800 Gbps - dangane da nisa da ake buƙatar aika siginar. Don ingantacciyar hanyar canja wurin bayanai, Ciena ya gabatar da shi a cikin firmware mai sarrafa kayan aikin algorithm don yuwuwar samuwar siginar ƙungiyar taurari ( - PCS.
Wannan ƙungiyar taurari sashe ne na ƙimar girman girman (maki) don sigina da ake watsawa. Ga kowane batu a cikin ƙungiyar taurari, PCS algorithm yana ƙididdige yiwuwar ɓarna bayanai da ƙarfin da ake buƙata don aika siginar. Bayan haka, ya zaɓi amplitude wanda rabon siginar-zuwa-amo da amfani da makamashi zai kasance kaɗan.
Mai sarrafawa kuma yana amfani da algorithm gyara kuskuren gaba () da kuma yawan rarraba mita (). Ana amfani da algorithm na ɓoye don kare bayanan da aka watsa .
Gyara na biyu na WaveLogic 5 shine jerin toshe-in Nano na gani na gani. Suna iya aikawa da karɓar bayanai a cikin sauri zuwa 400 Gbps. Modulolin suna da nau'ikan nau'i biyu - QSFP-DD da CFP2-DCO. Na farko karami ne kuma an tsara shi don hanyoyin sadarwa na 200 ko 400GbE. Saboda girman haɗin haɗin kai da ƙananan amfani da wutar lantarki, QSFP-DD ya dace da mafita na cibiyar bayanai. Siffa ta biyu, CFP2-DCO, ana amfani da ita don aika bayanai a kan nisan ɗaruruwan kilomita, don haka za a yi amfani da su a cikin hanyoyin sadarwa na 5G da abubuwan samar da sabis na Intanet.
WaveLogic 5 zai ci gaba da siyarwa a cikin rabin na biyu na 2019.
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Fa'idodi da rashin amfani na processor
WaveLogic 5 Extreme yana ɗaya daga cikin na'urori masu sarrafawa na farko a kasuwa don watsa bayanai akan tsawon zango ɗaya a 800 Gbps. Don mafita ga gasa da yawa, wannan adadi shine 500-600 Gbit/s. Ciena yana amfana daga 50% ƙarin ƙarfin tashar gani da haɓaka akan 20%.
Amma akwai wahala ɗaya - tare da matsawa sigina da haɓaka saurin canja wurin bayanai, akwai haɗarin ɓarna bayanai. Yana ƙaruwa tare da haɓaka nesa. A saboda wannan dalili, da processor matsaloli lokacin aika sigina akan dogon nesa. Kodayake masu haɓakawa sun ce WaveLogic 5 yana da ikon watsa bayanai "a cikin tekuna" a cikin saurin 400 Gbit / s.
Analogs
Hakanan ana haɓaka tsarin haɓaka ƙarfin fiber ta Infinite da Acacia. Maganin farko na kamfani shine ake kira ICE6 (ICE - Infinite Capacity Engine). Ya ƙunshi sassa biyu - na'urar haɗaɗɗiyar gani (PIC - Photonic Integrated Circuit) da na'urar sarrafa siginar dijital a cikin nau'in guntu na ASIC. PIC a cikin cibiyoyin sadarwa yana jujjuya siginar daga gani zuwa lantarki da akasin haka, kuma ASIC ce ke da alhakin haɓakar ta.
Siffa ta musamman na ICE6 shine daidaitawar siginar bugun jini (). Mai sarrafa na'ura na dijital yana raba hasken wani tsayin tsayi zuwa ƙarin mitoci na ƙasa, wanda ke faɗaɗa adadin matakan da ake samu kuma yana ƙara yawan siginar. Ana sa ran ICE6, kamar WaveLogic, zai samar da ƙimar canja wurin bayanai a cikin tashoshi ɗaya a matakin 800 Gbit/s. Ya kamata samfurin ya ci gaba da siyarwa a ƙarshen 2019.
Dangane da Acacia, injiniyoyinta sun ƙirƙira ƙirar AC1200. Zai samar da saurin watsa bayanai na 600 Gbit/s. Ana samun wannan saurin ta amfani da 3D samuwar ƙungiyar taurarin siginar: algorithms a cikin ƙirar ta atomatik suna canza saurin amfani da maki da matsayinsu a cikin ƙungiyar taurari, daidaita ƙarfin tashar.
Ana sa ran cewa sabbin hanyoyin samar da kayan aikin za su ƙara yawan kayan aikin fiber na gani ba kawai a kan nisa a cikin birni ɗaya ko yanki ba, har ma a kan nesa mai nisa. Don yin wannan, injiniyoyi kawai sun shawo kan matsalolin da ke tattare da tashoshi masu hayaniya. Ƙarfafa ƙarfin hanyoyin sadarwa na ƙarƙashin ruwa zai yi tasiri mai kyau akan ingancin sabis na masu samar da IaaS da manyan kamfanonin IT, ganin cewa sun "» rabin zirga-zirgar da ake yadawa tare da benen teku.
Waɗanne abubuwa masu ban sha'awa da muke da su akan shafin ITGLOBAL.COM:
source: www.habr.com