Pamene eni ake a data center amapanga ma interconnect network network interconnections, amaganizira makamaka nkhani monga bandwidth yaikulu, low latency, high density, kutumizira mwamsanga, ntchito yosavuta ndi kukonza, ndi kudalirika kwakukulu.Pakalipano, ukadaulo wa OTN waukulu wa bandwidth umayendetsedwa makamaka ndi opanga zida zingapo zazikulu zama telecom (matchipu amakambidwa padera), monga Huawei, ZTE, ndi Aran.Makasitomala akuluakulu omwe amakumana nawo ndi omwe amagwiritsa ntchito ma telecom, kotero mawonekedwe a OTN amapangidwa kuti akwaniritse mawonekedwe a ogwiritsa ntchitowa.Chifukwa cha izi, OTN ikugwiritsidwa ntchito mochulukira mu ntchito zapaintaneti za DCI pamakampani a intaneti.Mavuto ambiri osagwirizana.
Makhalidwe a zida za OTN ndi mavuto omwewo omwe DCI amakumana nawo, bizinesi yolemera kwambiri, mphamvu yamphamvu ya OAM ya maukonde, ndandanda ndi multiplexing mphamvu zosiyanasiyana granular bandiwifi, mzere wolakwa kulolerana pansi mikhalidwe mtunda wautali, ndi kugwiritsa ntchito otsika-voteji mwachindunji. panopa.Zinthu monga kuchepa kwa kagwiritsidwe ntchito ka mphamvu zamagetsi.
1. Kuthekera kogwiritsa ntchito mabizinesi olemera kumafuna kuti ogwira ntchito ku O&M akhale akatswiri, kudalira kwambiri chithandizo chaukadaulo kuchokera kwa opanga, komanso kukhala ndiukadaulo wotsekedwa.
2. Mphamvu za OAM zamphamvu, miyezo yosagwirizana, kugwirizanitsa kovuta komanso kodziyimira pawokha ndi maukonde ozungulira, ndi ntchito zopanda pake zimabweretsanso ndalama zambiri zotumizira ndi ntchito ku intaneti ya DCI.
3. Kuthekera kosiyanasiyana kwa makonzedwe a granule kumapangitsa kuti mawonekedwe a chimango cha encapsulation akhale ovuta komanso okhazikika.
4. Kulekerera kosalekeza kwa mzere wautali kumapangitsa kuti FEC algorithm ikhale yovuta, imadya kwambiri ndipo imatenga nthawi yayitali kukonza.
5. Njira yamagetsi ya 48V-DC ya zida za OTN ndi yosiyana ndi makabati a 19-inch 220V-AD (kapena 240V-DC) omwe amagwiritsidwa ntchito m'malo ambiri a data.Kukhazikitsa kumakhala kovuta ndipo kumafuna kusintha kwa mphamvu mu chipinda cha makompyuta
6. Zida zachikhalidwe za OTN zimakhala ndi chimango chachikulu, chomwe sichiyenera kuikidwa m'makabati okhazikika, ndipo kuchuluka kwa mphamvu sikuli kwakukulu.Kukulitsa pambuyo pake kumakhala kovuta ndipo kumafuna kuti makabati asunthidwe kapena kumangidwanso.
Pakadali pano, netiweki yathu ya DCI ndiyongopereka mapaipi a data yapakati pa data.Makhalidwe akuluakulu a chitsanzo cha bizinesi ndi: zofunikira zogwirizanitsa ndi zamtundu umodzi wa bandwidth granularity, bandwidth yaikulu, mautumiki apakati pa data (makamaka IDC yogwira ntchito zambiri, mautumiki akuluakulu a deta) ) ali ndi zofunikira zochepa za latency ndi zofunikira kwambiri kuti pakhale kukhazikika kwa intaneti;panthawi imodzimodziyo, chifukwa cha kusowa kwa ogwira ntchito ndi akatswiri ogwira ntchito pa intaneti, kugwira ntchito ndi kukonza ma network a DCI kuyenera kukhala "zosavuta" "zosavuta" ndi "zosavuta" - zinthu zofunika zimanenedwa katatu (kumene Isn 'si mtundu wa network?);Kukula kwamphamvu kwa intaneti kumapangitsa kuti zomanga ndi kukulitsa zozungulira zikhale zazifupi (kuzungulira kwa operekera OTN nthawi zambiri kumakhala theka la chaka mpaka chaka chimodzi, pomwe zofunikira zakukulitsa za DCI pa intaneti ndi 1 mpaka 3 miyezi), chifukwa chake ndikofunikira kufinya. nthawi muzochitika zonse.
Choncho, OTN imapereka njira yogwiritsira ntchito DCI, koma OTN si njira yabwino kwambiri yothetsera DCI.Tsopano popeza ma network a DCI akuchulukirachulukira, pakufunikanso njira zina zothanirana ndi mavuto osiyanasiyana kuyambira pa mtengo womanga, kugwira ntchito ndi kukonza zinthu.mavuto osiyanasiyana omwe amakumana nawo.Ndipo mavutowa sali kanthu koma zofunikira zisanu ndi chimodzi za network ya DCI (chiwerengero chachikulu, latency yochepa, kachulukidwe kakang'ono, kutumizira mwachangu, kugwira ntchito mosavuta ndi kukonza, komanso kudalirika kwakukulu):
1. Bandiwifi yaikulu, DCI transmission network alibe mitundu yolemera ya granules monga oyendetsa, ma bandwidth granules a DCI transmission network ndi osavuta, omwe amagwiritsidwa ntchito panopa 10G kapena 100G, m'tsogolomu 200G / 400G, etc., kotero palibe chifukwa. kuti muchite ndi bandwidth Bandwidth yayikulu pama granularities ena.Chifukwa chakuti mtunda wamtundu wa DCI transmission network nthawi zambiri siutali kwambiri, pogwiritsa ntchito 400G system yotengera 200G PM-16QAM dual-carrier modulation, mtunda wotumizira popanda kutumizirana magetsi ukhoza kukhala pafupifupi makilomita 500 (PM-64QAM ndi pafupifupi makilomita 200), kotero kuti kufalikira kwa metro msana wa DCI sikungalephereke mtunda.
2. Low latency, zofunikira za bizinesi ya DCI, makamaka pamene cloud computing imagwiritsidwa ntchito posungira zinthu ndi malo ogwiritsira ntchito ma data ambiri, latency imawerengedwa pa mlingo wa microsecond, kotero kuti nthawi yotumizira deta iyenera kukhala yochepa kwambiri, ikufuna kupitirira liwiro la kuwala.Chotsani ntchito yosafunikira yokonza deta ndikuchepetsa njira zotumizira zizindikiro.Mwachitsanzo, pochotsa ntchito ya SD-FEC yogwiritsidwa ntchito ndi 100G OTN, kubwerera-kumbuyo kungathe kusunga ma microseconds 200, ndikuchotsa kuphatikizika kwa OTN kungathe kupulumutsa ma microseconds, ndikugwiritsa ntchito mwanzeru topology ya hubspoke pa ntchito zazikulu. kuonetsetsa njira yaifupi kwambiri.Zachidziwikire, imathanso kugwirizana ndi MPLS ndi QOS pamlingo wa IP kuyesa kuwonetsetsa kuti kuchedwa pamlingo wotumizira deta kulinso bwino.
3.Kuchulukana kwakukulu, U, kapena 2U imodzi, imatha kukwaniritsa bandwidth mpaka T, DWDM optical layer ndi magetsi osanjikiza magetsi, kupititsa patsogolo mawonekedwe a chipangizocho, ndi kuchepetsa kukula kwa optical module.Mwachitsanzo, kugwiritsa ntchito ma QSFP28 optical modules kungatsimikizire kuti mphamvu ya 100G ya chipangizo chimodzi imakhala bwino kwambiri, ndipo kugwiritsa ntchito ma modules a CFP2 pamphepete mwa mzere kungathe kuonetsetsa kuti bandwidth yotumizira chipangizo chonsecho ikukula bwino, 1U akhoza kukhala 1.6T, 3.2T.Pakalipano, padziko lapansi pali zinthu zambiri zogwirizana, monga ADVA, coriant, ciena ndi makampani ena.Zachidziwikire, Huawei wapakhomo wakhazikitsanso zinthu 902 zogwirizana.Komabe, pomaliza nkhaniyi, zikuwoneka kuti kuyesa kwa maukonde a Unduna wa Zamakampani ndi Upangiri Waukadaulo sikunamalizidwe.Kuchulukana kwakukulu kumayambitsa kugwiritsa ntchito mphamvu zambiri komanso kuwononga kutentha.Chifukwa chake, njira yoyambira yochotsera kutentha kwa OTN ya kumanzere ndi kumanja kwa mpweya mkati ndi kunja, ndi mmwamba ndi pansi mpweya mkati ndi kunja uyenera kutayidwa.
Zofunika kuzizira kwa chipangizo.
4. Kutumiza mwachangu, pogwiritsa ntchito choyikapo chokhazikika cha IDC 19-inchi, chofanana ndi mawonekedwe a maseva apakatikati, kugwiritsa ntchito AC-220V popereka magetsi mwachindunji, kuthetsa kufunikira kwa mphamvu ndi kusintha kwa nduna, ndikuzindikira kuti katunduyo akhoza kuikidwa. mashelefu atangofika mu chipinda cha makompyuta, ndipo akhoza kukonzedwa pambuyo polumikiza magetsi.bizinesi, ndikuchita ntchito yabwino pantchito yovomerezeka yovomerezeka kuti mukwaniritse kutumizidwa mwachangu.
5. Kugwira ntchito kosavuta ndi kukonza, zofunikira za chitsanzo cha bizinesi ya DCI, mtunda wodutsa malo osungiramo data sudzakhala kutali kwambiri, ndipo kasamalidwe kameneka, OAM ndi ntchito zina sizofunikira kuti zigwire ntchito yaikulu pazochitikazi, ndipo kukonza zovuta kumachepetsedwanso. Imawongolera kufalitsa kwa data, imathandizira nthawi yokonza deta, ndipo imakhala ndi zofunikira zapamwamba paukadaulo ndipo imatsekedwa kwambiri.Kulumikiza ma siginecha mwachindunji kudzera pa Ethernet kumathetsa zovuta za OTN, kotero akatswiri achikhalidwe cha IP network amatha kugwira ntchito ndikusunga dongosolo la DCI.Pambuyo pophatikiza mawonekedwe atsopano olowera kumpoto monga YANG model, REST API, ndi netconf, DCI transmission equipment management and IP network equipment management imapangidwa ndi mawonekedwe omwewo, kuti azitha kuchita bwino kasamalidwe kogwirizana kochokera papulatifomu.
6. Kudalirika kwakukulu, njira zambiri zoyendetsera thupi ndi chitetezo zomwe sizikudziwa zapamwamba zidzapitiriza kugwira ntchito pa intaneti ya DCI.Zolephera pamlingo wapansi pa ulalo siziyenera kukhala ndi vuto lililonse pa mautumiki pokhapokha zitasokonezedwa.Malingaliro kapena kukhudzika, kaya ndikusintha kwachitetezo, kulumikizana jitter, kuchedwa kuchulukira, etc.
Nthawi yotumiza: Feb-13-2023