Zvinoenderana neaya maitiro, pane angangoita maviri akajairwa DCI mhinduro:
1. Shandisa midziyo yeDWDM yakachena, uye shandisa color optical module + DWDM multiplexer / demultiplexer pane switch.Panyaya ye-single-channel 10G, mutengo wakaderera zvakanyanya, uye sarudzo dzechigadzirwa dzakawanda.10G color light module iri mudzimba Yakatogadzirwa, uye mutengo watove wakaderera kwazvo (chaizvoizvo, iyo 10G DWDM system yakatanga kuve yakakurumbira makore mashoma apfuura, asi nekuuya kwezvimwe zvakakura bandwidth zvinodiwa, yaive ne kuti ibviswe, uye 100G color light module yakanga isati yawanikwa.) Parizvino, 100G ichangotanga kuonekwa muChina yakabatana nemuvara optical modules, uye mari yacho haisi yakaderera zvakakwana, asi ichagara ichipa simba rakasimba. kune DCI network.
2. Shandisa high-density transmission OTN michina, ivo 220V AC, 19-inch midziyo, 1 ~ 2U yakakwirira, uye kutumirwa kunonyanya nyore.Iro SD-FEC basa rinodzimwa kuti rideredze kunonoka, uye kudzivirira kwenzira pane optical layer inoshandiswa kunatsiridza kugadzikana, uye inodzoreka yekuchamhembe inosimudzira zvakare inovandudza kugona kwekusimudzira kwemidziyo mabasa ekuwedzera.Nekudaro, tekinoroji yeOTN ichiri yakachengetwa, uye manejimendi acharamba akaomesesa.
Pamusoro pezvo, zviri kuitwa nevekutanga-tier DCI network vavaki vari kunyanya kudzikamisa iyo DCI transmission network, kusanganisira kupatsanurwa kweiyo optical pane layer 0 uye yemagetsi pane layer 1, pamwe neNMS nemidziyo yehardware yevagadziri vechinyakare. .decoupling.Maitiro echinyakare ndeekuti mumwe mugadziri wemagetsi ekugadzira emagetsi anofanirwa kushanda pamwe chete nemugadziri wemidziyo yekuona, uye midziyo yehardware inofanirwa kushanda pamwe nemugadziri weNMS software yekutarisira.Iyi nzira yechinyakare ine zvakati wandei zvinokanganisa:
1. Tekinoroji yakavharwa.Muchirevo, iyo optoelectronic level inogona kuparadzaniswa kubva kune mumwe nemumwe, asi vagadziri vechinyakare havaite nemaune kuti vatonge masimba ehunyanzvi.
2. Mutengo weDCI transmission network inonyanya kuiswa mumagetsi ekugadzirisa zviratidzo.Mari yekutanga yekuvaka system yakaderera, asi kana simba rawedzerwa, mugadziri anosimudza mutengo pasi pekutyisidzirwa kwehunyanzvi hwehunyanzvi, uye mutengo wekuwedzera uchawedzerwa zvakanyanya.
3. Mushure mekunge iyo optical layer yeDCI transmission network inoshandiswa, inogona kushandiswa chete nemagetsi emagetsi emugadziri mumwe chete.Mwero wekushandiswa kwezviwanikwa zvemidziyo wakaderera, izvo zvisingaenderane nedanho rekusimudzira retiweki zviwanikwa, uye hazvienderane nekubatana optical layer resource kuronga.Iyo decoupled optical layer inodyarwa zvakaparadzana mukutanga nhanho yekuvaka, uye haina kuganhurirwa nekushandiswa kweramangwana kweimwe optical layer system nevagadziri vakawanda, uye inosanganisa iyo yekuchamhembe inotarisana neiyo optical layer neSDN tekinoroji kuita kutungamira kuronga kwechiteshi. zviwanikwa pa optical layer , Kuvandudza bhizinesi kushanduka.
4. Midziyo yetiweki inobatana zvisina tsarukano nekambani yeInternet network network manejimendi zvakananga kuburikidza neiyo data dhizaini yeYANGmodel, iyo inochengetedza kusimudzira kwekudyara kwepuratifomu manejimendi uye kubvisa iyo NMS software yakapihwa nemugadziri, iyo inovandudza kugona kwekuunganidza data uye. network management.manejimendi kunyatsoshanda.
Naizvozvo, optoelectronic decoupling inzira nyowani yekuvandudza DCI yekufambisa network.Mune ramangwana rinoonekwa, iyo optical layer yeDCI transmission network inogona kuve SDN tekinoroji inoumbwa neROADM + kuchamhembe-maodzanyemba interface, uye chiteshi chinogona kuvhurwa, kurongwa uye kudzoreredzwa zvisina tsarukano.Izvo zvinogoneka kushandisa yakasanganiswa magetsi layer midziyo yevagadziri, kana kunyange yakasanganiswa kushandiswa kweEthernet interfaces uye OTN interfaces pane imwecheteyo optical system.Panguva iyoyo, kushanda kwekushanda maererano nekuwedzera kwehurongwa uye kuchinja kuchavandudzwa zvikuru, uye optical layer ichashandiswawo.Zviri nyore kusiyanisa, iyo network logic manejimendi yakajeka, uye mutengo uchaderedzwa zvakanyanya.
Kune SDN, iyo yakakosha premise ndiyo yepakati manejimendi uye kugoverwa kwetiweki zviwanikwa.Saka, ndedzipi DWDM transmission network zviwanikwa zvinogona kutungamirwa pane yazvino DCI transmission network?
Kune matatu chiteshi, nzira, uye bandwidths (frequency).Naizvozvo, mwenje mukubatana kwechiedza + IP unoitwa kutenderedza manejimendi uye kugovera kweaya mapoinzi matatu.
Nzira dze IP neDWDM dzakaparadzaniswa, saka kana hukama hunowirirana pakati pe IP logical link uye DWDM channel inogadziriswa mukutanga kwekutanga, uye hukama hunoenderana pakati pechiteshi ne IP inoda kugadziriswa gare gare, unogona kushandisa OXC. Iyo nzira inoshandiswa kuita nekukurumidza chiteshi switching padanho remillisecond, izvo zvinogona kuita kuti IP layer isazive.Kuburikidza nehutungamiriri hweOXC, iyo yepakati manejimendi manejimendi ekufambisa chiteshi pane yega saiti inogona kuitika, kuitira kubatana nebhizinesi SDN.
Iyo decoupling gadziriso yeimwe chiteshi uye IP chikamu chidiki chete.Kana iwe ukafunga kugadzirisa bandwidth paunenge uchigadzirisa chiteshi, unogona kugadzirisa dambudziko rekugadzirisa bandwidth zvinodiwa zvemasevhisi akasiyana munguva dzakasiyana.Natsiridza zvakanyanya mwero wekushandisa weiyo yakavakirwa bandwidth.Naizvozvo, tichironga neOXC kugadzirisa chiteshi, yakasanganiswa nemultiplexer uye demultiplexer yegidhi tekinoroji inoshanduka, chiteshi chimwe chete hachisina chinongedzo chepakati chewavelength, asi chinobvumira kuvhara scalable frequency renji, kuitira kuti iwane Flexible gadziriso ye bandwidth saizi.Uyezve, munyaya yekushandisa masevhisi akawanda mune network topology, iyo frequency utilization rate yeDWDM system inogona kuwedzera kuvandudzwa, uye zviwanikwa zviripo zvinogona kushandiswa mukuzara.
Nesimba rekusimba rekugona kwevaviri ekutanga, manejimendi ekutapurirana network anogona kubatsira iyo network topology yese kuve nekugadzikana kwepamusoro.Zvinoenderana nehunhu hweiyo network yekutapurirana, nzira yega yega ine yakazvimirira yekufambisa nzira zviwanikwa, saka zvakakosha kwazvo kubata uye kugovera chiteshi munzira yega yega yekufambisa nenzira yakabatana, iyo ichapa yakanyatsosarudzwa nzira yekusarudzwa kwemazhinji-nzira masevhisi. uye kuwedzera kushandiswa kwezviwanikwa zvechaneli munzira dzese.Sezvakangoita muASON, goridhe, sirivheri nemhangura zvinosiyaniswa kune akasiyana masevhisi kuve nechokwadi kugadzikana kweiyo yepamusoro nhanho yebasa.
Semuenzaniso, kune network yemhete inoumbwa nenzvimbo nhatu dze data A, B, uye C. Kune sevhisi S1 (yakadai se intranet hombe data sevhisi), kubva kuA kusvika kuB kusvika kuC, inobata 1 ~ 5 masaisai eiyi ring network, imwe neimwe wave ine 100G bandwidth, uye frequency interval ndeye 50GHz;kune service S2 (external network service), Kubva A kusvika B kusvika C, 6 ~ 9 masaisai eiyi ring network anogarwa, yega yega ine bandwidth ye100G, uye frequency interval ndeye 50GHz.
Munguva dzakajairika, rudzi urwu rwebandwidth uye kushandiswa kwechiteshi kunogona kusangana nezvinodiwa, asi kana dzimwe nguva, semuenzaniso, nzvimbo itsva yedata inowedzerwa, uye bhizinesi rinoda kutamisa dhatabhesi munguva pfupi, ipapo kudiwa kweiyo intranet bandwidth mu. nguva ino ichave Yakapetwa kaviri, yekutanga 500G bandwidth (5 100G), ikozvino inoda 2T bandwidth.Ipapo zviteshi padanho rekutapurirana zvinogona kuverengerwazve, uye mashanu 400G chiteshi anoiswa mune wave layer.Iyo frequency interval yega yega 400G chiteshi inoshandurwa kubva kune yekutanga 50GHz kuenda ku75GHz.Iine flexible grating ROADM uye multiplexer/demultiplexer, iyo yose Nzira iri padanho rekutapurirana, saka aya machanera mashanu anotora 375GHz spectrum zviwanikwa.Mushure mekunge zviwanikwa padanho rekutapurirana zvagadzirira, gadzirisa iyo OXC kuburikidza nepakati manejimendi papuratifomu, uye gadzirisa nzira dzekutumira dzinoshandiswa neiyo yekutanga 1-5 mafungu e100G masevhisi masevhisi kune ichangobva kugadzirirwa 5 ine millisecond-level kunonoka Iyo 400G sevhisi. chiteshi chinokwira, kuitira kuti basa rekugadzirisa kushanduka kwebhanwidth uye chiteshi maererano nezvinodiwa neDCI sevhisi inopedzwa, iyo inogona kuitwa munguva chaiyo.Zvechokwadi, network network connectors ye IP madivayiri inoda kutsigira 100G / 400G chiyero chinogadziriswa uye optical signal frequency (wavelength) kugadzirisa mabasa, izvo zvisingazove dambudziko.
Nezve tekinoroji yetiweki yeDCI, basa rinogona kupedzwa nekutapurirana rakanyanya kuderera.Kuti uwane yakawedzera hungwaru DCI network, inoda kuitwa pamwe chete neIP.Semuyenzaniso, shandisa MP-BGP EVPN+VXLAN paIP intranet yeDCI kukurumidza kuendesa layer 2 network kuyambuka DCs, iyo inogona kufambirana zvakanyanya nemidziyo iripo inetiweki uye kusangana nezvinodiwa zvemaroja chaiwo muchina kuti afambe achichinjika kuyambuka DCs.;Shandisa segment routing paDCI's IP yekunze network kuita traffic nzira kuronga zvichibva pane sosi bhizinesi musiyano, kusangana nezvinodiwa zvekuyambuka-DC egress traffic visualization, nekukurumidza nzira yekudzoreredza, uye yakakwirira bandwidth kushandiswa;iyo iri pasi pekutapurirana network inobatana neiyo yakawanda-dimensional OXC system, Inofananidzwa neyazvino yakajairwa ROADM, inogona kuona iyo yakanaka-grained sevhisi nzira yekuronga basa;kushandiswa kweiyo isiri-yemagetsi transmission wavelength kutendeuka tekinoroji inogona kugadzirisa dambudziko rekutsemuka kwechaneru spectrum zviwanikwa.Iko kubatanidzwa kwepamusoro-layer uye yakaderera-layer zviwanikwa zvekutungamira bhizinesi uye kutumira, kuchinjika kutumirwa, uye kunatsiridza mashandisirwo ezviwanikwa ichave nzira isingadzivisike mune ramangwana.Parizvino, mamwe makambani makuru epamba ari kutarisisa nzvimbo iyi, uye mamwe makambani ekutanga ehunyanzvi ari kutoita tsvakiridzo nekuvandudza zvigadzirwa zvine chekuita nehunyanzvi.Tariro yekuona yakabatana yakazara mhinduro pamusika gore rino.Zvichida munguva pfupi iri kutevera, OTN ichanyangarika zvakare mukutakura-kirasi network, ichisiya chete DWDM.
Nguva yekutumira: Feb-15-2023