Dangane da waɗannan halayen, akwai kusan mafita na DCI guda biyu:
1. Yi amfani da kayan aikin DWDM mai tsabta, kuma yi amfani da launi na gani na launi + DWDM multiplexer / demultiplexer akan sauyawa.A cikin yanayin 10G tashoshi ɗaya, farashin yana da ƙasa sosai, kuma zaɓuɓɓukan samfur suna da yawa.10G launi na launi yana cikin gida An riga an samar da shi, kuma farashin ya riga ya ragu sosai (a gaskiya ma, tsarin 10G DWDM ya fara zama sananne a 'yan shekarun da suka wuce, amma tare da zuwan wasu buƙatun bandwidth mafi girma, yana da don kawar da shi, kuma tsarin hasken launi na 100G bai riga ya samuwa ba. Ya bayyana.) A halin yanzu, 100G ya fara bayyana a cikin na'urori masu alaka da launi na kasar Sin, kuma farashin ba ya da yawa, amma zai ba da gudummawa mai karfi. zuwa cibiyar sadarwa ta DCI.
2. Yi amfani da kayan aikin OTN mai girma, suna 220V AC, kayan aiki na 19-inch, 1 ~ 2U high, kuma ƙaddamarwa ya fi dacewa.Ana kashe aikin SD-FEC don rage jinkirin, kuma ana amfani da kariya ta hanyar tuƙi a layin gani don inganta kwanciyar hankali, kuma madaidaicin iyakar arewa kuma yana inganta haɓakar haɓaka ayyukan haɓaka kayan aiki.Koyaya, fasahar OTN har yanzu tana cikin tanadi, kuma gudanarwa zai kasance mai rikitarwa.
Bugu da kari, abin da masu ginin cibiyar sadarwa na DCI na matakin farko ke yi a halin yanzu shi ne don kawar da hanyar sadarwa ta DCI, gami da narkar da na'urar gani a Layer 0 da lantarki a Layer 1, da kuma NMS da kayan aikin masana'antun gargajiya. .decoupling.Hanyar al'ada ita ce cewa dole ne wani kayan aikin sarrafa lantarki na masana'anta su yi aiki tare da na'urorin gani iri ɗaya, kuma kayan aikin dole ne su ba da haɗin kai tare da software na NMS na masana'anta don sarrafawa.Wannan hanyar gargajiya tana da manyan kurakurai da yawa:
1. An rufe fasaha.A ka'idar, za a iya raba matakin optoelectronic daga juna, amma masana'antun gargajiya da gangan ba sa yankewa don sarrafa ikon fasaha.
2. Farashin hanyar sadarwar watsawa ta DCI ya fi mayar da hankali a cikin layin sarrafa siginar lantarki.Farashin ginin farko na tsarin yana da ƙasa, amma lokacin da aka faɗaɗa ƙarfin, masana'anta za su ɗaga farashin a ƙarƙashin barazanar bambance-bambancen fasaha, kuma farashin faɗaɗa zai ƙaru sosai.
3. Bayan an yi amfani da Layer na gani na cibiyar sadarwa ta DCI, za a iya amfani da shi kawai ta hanyar kayan aikin lantarki na masana'anta.Adadin amfani da albarkatun kayan aiki yana da ƙasa, wanda bai dace da alkiblar ci gaba na haɗa albarkatun cibiyar sadarwa ba, kuma baya dacewa da tsara tsarin albarkatun ƙasa mai haɗin kai.The decoupled Tantancewar Layer ana zuba jari daban a farkon matakin na gini, kuma ba a iyakance ta nan gaba amfani da guda Tantancewar Layer tsarin da mahara masana'antun, da kuma hadawa arewa maso dubawa na Tantancewar Layer da fasahar SDN don aiwatar da jadawalin jadawalin tashar albarkatun a Layer na gani , Inganta sassaucin kasuwanci.
4. Kayan aikin cibiyar sadarwa ba tare da matsala ba tare da haɗin gwiwar kamfanin Intanet na kansa kai tsaye ta hanyar tsarin bayanai na YANGmodel, wanda ke adana zuba jari na ci gaba na dandalin gudanarwa da kuma kawar da software na NMS da masana'anta ke samarwa, wanda ke inganta ingantaccen tattara bayanai cibiyar sadarwa management.gudanarwa yadda ya dace.
Saboda haka, ƙaddamar da optoelectronic sabon alkibla ne don haɓaka cibiyar sadarwar watsawa ta DCI.A nan gaba mai yiwuwa, layin watsa na gani na cibiyar sadarwa na DCI na iya zama fasahar SDN da ta ƙunshi ROADM+ arewa-maso-kudu dubawa, kuma za a iya buɗe tashar, tsarawa da kuma dawo da su ba bisa ka'ida ba.Zai yiwu a yi amfani da gauraye na'urorin lantarki Layer na masana'antun, ko ma gauraye amfani da Ethernet musaya da OTN musaya a kan wannan na gani tsarin.A wannan lokacin, ingantaccen aiki ta fuskar faɗaɗa tsarin da canji za a inganta sosai, kuma za a yi amfani da Layer na gani.Ya fi sauƙi don rarrabewa, tsarin sarrafa dabaru na cibiyar sadarwa ya fi bayyana, kuma za a rage farashin sosai.
Don SDN, ainihin jigo shine gudanarwa da rarraba albarkatun cibiyar sadarwa.Don haka, menene albarkatun cibiyar sadarwa na DWDM waɗanda za a iya sarrafa su akan hanyar sadarwar DCI na yanzu?
Akwai tashoshi uku, hanyoyi, da bandwidths (mita).Sabili da haka, hasken a cikin haɗin gwiwar haske + IP ana aiwatar da shi a zahiri a kusa da gudanarwa da rarraba waɗannan maki uku.
Tashoshin IP da DWDM an lalata su, don haka idan an daidaita alaƙar da ta dace tsakanin hanyar haɗin ma'ana ta IP da tashar DWDM a farkon matakin, kuma dangantakar da ta dace tsakanin tashar da IP tana buƙatar daidaitawa daga baya, zaku iya amfani da OXC. Ana amfani da hanyar don yin saurin sauya tashar tashoshi a matakin millisecond, wanda zai iya sa Layer IP ya sani.Ta hanyar gudanar da OXC, ana iya aiwatar da tsarin sarrafa kayan aiki na tashar watsa shirye-shirye akan kowane rukunin yanar gizon, don yin aiki tare da SDN kasuwanci.
Daidaita daidaitawar tashoshi ɗaya da IP ƙaramin sashi ne kawai.Idan kayi la'akari da daidaita yanayin bandwidth yayin daidaita tashar, zaku iya magance matsalar daidaita buƙatun bandwidth na ayyuka daban-daban a cikin lokuta daban-daban.Haɓaka haɓaka ƙimar amfani da ingantaccen bandwidth.Sabili da haka, yayin daidaitawa tare da OXC don daidaita tashar, haɗe tare da multiplexer da demultiplexer na fasahar grid mai sassauƙa, tashar guda ɗaya ba ta da tsayayyen tsayin tsayi na tsakiya, amma yana ba shi damar rufe kewayon mitar mai ƙima, don cimma daidaito mai sauƙi na girman bandwidth.Bugu da ƙari, game da amfani da ayyuka da yawa a cikin hanyar sadarwa ta hanyar sadarwa, za a iya ƙara inganta yawan amfani da mitar na tsarin DWDM, kuma ana iya amfani da albarkatun da ake da su a cikin saturation.
Tare da ƙarfin gudanarwa mai ƙarfi na biyu na farko, hanyar sarrafa hanyar sadarwar watsawa na iya taimakawa gabaɗayan topology na cibiyar sadarwa don samun kwanciyar hankali.Dangane da halaye na hanyar sadarwa na watsawa, kowane hanya yana da albarkatun tashar watsa shirye-shiryen watsa shirye-shirye masu zaman kansu, don haka yana da matukar mahimmanci don sarrafawa da rarraba tashoshi akan kowane hanyar watsawa a cikin hanyar haɗin kai, wanda zai ba da zaɓi mafi kyawun zaɓi don sabis na hanyoyi da yawa, kuma ƙara yawan amfani da albarkatun tashoshi akan dukkan hanyoyi.Kamar dai a cikin ASON, zinari, azurfa da tagulla suna bambanta don ayyuka daban-daban don tabbatar da kwanciyar hankali na mafi girman matakin sabis.
Misali, akwai hanyar sadarwa ta zobe mai kunshe da cibiyoyin bayanai guda uku A, B, da C. Akwai sabis S1 (kamar intranet babban sabis na data), daga A zuwa B zuwa C, yana mamaye 1 ~ 5 taguwar ruwa na wannan hanyar sadarwar zobe. kowane kalaman yana da bandwidth 100G, kuma tazarar mitar shine 50GHz;akwai sabis S2 (sabis na cibiyar sadarwa na waje), Daga A zuwa B zuwa C, 6 ~ 9 taguwar ruwa na wannan hanyar sadarwa ta zobe suna shagaltar da su, kowane igiyoyin yana da bandwidth na 100G, kuma tazarar mitar shine 50GHz.
A cikin lokuta na al'ada, irin wannan nau'in bandwidth da amfani da tashoshi na iya biyan buƙatu, amma idan wani lokaci, misali, an ƙara sabon cibiyar bayanai, kuma kasuwancin yana buƙatar yin ƙaura a cikin ɗan gajeren lokaci, sannan buƙatar bandwidth intranet a ciki. wannan lokacin lokaci zai kasance Ya ninka sau biyu, ainihin bandwidth na 500G (5 100G), yanzu yana buƙatar bandwidth 2T.Sa'an nan kuma za a iya sake lissafin tashoshi a matakin watsawa, kuma ana amfani da tashoshi 400G guda biyar a cikin raƙuman ruwa.Ana canza tazarar mitar kowane tashar 400G daga ainihin 50GHz zuwa 75GHz.Tare da m grating ROADM da multiplexer / demultiplexer, gaba ɗaya Hanyar a matakin watsawa, don haka waɗannan tashoshi biyar sun mamaye albarkatun bakan 375GHz.Bayan an shirya albarkatun a matakin watsawa, daidaita OXC ta hanyar tsarin gudanarwa na tsakiya, kuma daidaita tashoshin watsa shirye-shiryen da aka yi amfani da su ta hanyar 1-5 na asali na siginar sabis na 100G zuwa 5 da aka shirya tare da jinkirin matakin millisecond Sabis na 400G. tashar ta tashi, don haka aikin daidaitawa mai sauƙi na bandwidth da tashar ya cika bisa ga buƙatun sabis na DCI, wanda za'a iya yi a ainihin lokacin.Tabbas, masu haɗin cibiyar sadarwa na na'urorin IP suna buƙatar tallafawa ƙimar 100G / 400G mai daidaitawa da mitar siginar siginar gani (tsawon tsayi) ayyukan daidaitawa, wanda ba zai zama matsala ba.
Game da fasahar cibiyar sadarwa na DCI, aikin da za a iya kammala ta hanyar watsawa yana da ƙananan matakin.Don samun hanyar sadarwar DCI mai hankali, yana buƙatar a gane shi tare da IP.Misali, yi amfani da MP-BGP EVPN+VXLAN akan intranet na IP na DCI don tura cibiyar sadarwa ta Layer 2 da sauri a cikin DCs, wanda zai iya dacewa da na'urorin cibiyar sadarwa da ke akwai kuma ya dace da buƙatun injin kama-da-wane na haya don motsawa cikin sassauƙa a cikin DCs.;Yi amfani da hanyar zirga-zirgar yanki akan hanyar sadarwa ta waje ta DCI ta IP don aiwatar da tsarin tsarin zirga-zirgar zirga-zirgar zirga-zirgar zirga-zirgar ababen hawa dangane da bambance-bambancen kasuwanci na tushen, biyan buƙatun giciye-DC egress hangen nesa zirga-zirga, dawo da hanya mai sauri, da babban amfani da bandwidth;cibiyar sadarwar watsawa ta asali tana aiki tare da tsarin OXC mai yawa, Idan aka kwatanta da ROADM na al'ada na yau da kullum, zai iya gane aikin tsara tsarin sabis mai kyau;yin amfani da fasahar juyawa ba tare da wutar lantarki ba zai iya magance matsalar rarrabuwa na albarkatun bakan tashoshi.Haɗin kai na sama-Layi da ƙananan albarkatu don gudanar da kasuwanci da ƙaddamarwa, ƙaddamar da sassauƙa, da ingantaccen amfani da albarkatu zai zama jagorar da ba za a iya mantawa ba a nan gaba.A halin yanzu, wasu manyan kamfanoni na cikin gida suna mai da hankali kan wannan yanki, kuma wasu kamfanoni na musamman na farawa tuni suna gudanar da bincike da haɓaka samfuran fasaha masu alaƙa.Fata ganin alaƙa gabaɗaya mafita akan kasuwa a wannan shekara.Wataƙila a nan gaba kaɗan, OTN kuma zai ɓace a cikin cibiyoyin sadarwa masu ɗaukar kaya, yana barin DWDM kawai.
Lokacin aikawa: Fabrairu-15-2023