Yave nguva yekuburitsa ruzivo nezve itsva Huawei NetEngine 8000 inotakura-kirasi ma routers - nezve Hardware base uye software mhinduro dzinokutendera iwe kuvaka pahwaro hwadzo hwekupedzisira-kusvika-kumagumo kubatana neiyo 400 Gbps uye yekutarisa. kunaka kwemasevhisi etiweki pachikamu chechipiri.
Chii chinotarisa kuti ndeapi matekinoroji anodiwa kune network mhinduro
Izvo zvinodikanwa zveazvino network zvishandiso zvino zvakatemwa neakakosha maitiro:
- kupararira kwe5G mobile Broadband;
- kukura kwegore rinoremerwa mune ese ari ega uye eruzhinji data centers;
- kuwedzera kwenyika yeIoT;
- kuwedzera kudiwa kweuchenjeri hwekugadzira.
Munguva yedenda, mamwe maitiro akajairwa akabuda: mamiriro ezvinhu apo kuvepo kwemuviri kunoderedzwa zvakanyanya sezvinobvira mukuda kweiyo chaiyo ari kuwedzera kutaridzika. Izvi zvinosanganisira, pakati pezvimwe zvinhu, virtual and augmented reality services, pamwe chete nemhinduro dzinobva paWi-Fi network 6. Zvose izvi zvinoshandiswa zvinoda high channel quality. NetEngine 8000 yakagadzirirwa kupa iyo.
NetEngine 8000 Mhuri
Midziyo inosanganisirwa mumhuri yeNetEngine 8000 yakakamurwa kuita matatu makuru akatevedzana. Yakamisikidzwa netsamba X, aya ndiwo emhando yepamusoro-yepamusoro mureza kune vanofambisa telecom kana kune yakakwirira-mutoro data nzvimbo. Iyo M yakatevedzana yakagadzirirwa kugarisa akasiyana metro mamiriro. Uye zvishandiso zvine index F zvinoitirwa kunyanya kuita zvakajairika DCI (Data Center Interconnect) mamiriro. Zvizhinji zve "zviuru zvisere-zviuru" zvinogona kuva chikamu chemagumo-kusvika-kumagumo tunnels ane throughput ye400 Gbit / s uye inotsigira chikamu chakavimbiswa chebasa (Service Level Agreement - SLA).
Chokwadi: nhasi Huawei chete ndiye anogadzira huwandu hwakazara hwemidziyo yekuronga 400GE kirasi network. Mufananidzo uri pamusoro unoratidza mamiriro ekuvaka network kune mutengi webhizinesi hombe kana mushandisi mukuru. Iyo yekupedzisira inoshandisa yepamusoro-inoshanda NetEngine 9000 core routers, pamwe neiyo NetEngine 8000 F2A routers, inokwanisa kuunganidza nhamba huru yekubatanidza kwe100, 200 kana 400 Gbps.
Mafekitari eMetro anoshandiswa pahwaro hwemidziyo yakatevedzana yeM. Mhinduro dzakadaro dzinoita kuti zvikwanise kuenderana nekagumi kuwedzera kwehuwandu hwemotokari hunotarisirwa mumakore gumi anotevera pasina kushandura chikuva.
Huawei anozvimiririra anogadzira optical modules ane throughput ye400 Gbps. Mhinduro dzakavakwa pavari dzakachipa 10-15% pane zvigadziriso zvakafanana mukugona, asi kushandisa 100-gigabit chiteshi. Kuedzwa kwemamodule kwakatanga kumashure muna 2017, uye kare muna 2019 kushandiswa kwekutanga kwemidziyo yakabva pazviri kwakaitika; African telecom opareta Safaricom parizvino iri kuita zvekutengesa system yakadaro.
Iyo yakakura bandwidth yeNetEngine 8000, inogona kuita seyakawandisa muna 2020, ichave ichidikanwa mune ramangwana risiri kure-kure. Uye zvakare, iyo router yakakodzera kushandiswa senzvimbo huru yekutsinhana, iyo ichave yakakosha kune ese echipiri-tier vanoshanda uye makuru mabhizinesi masisitimu muchikamu chekukura nekukurumidza uye vanogadzira e-hurumende mhinduro.
Huawei ari kusimudzirawo kupararira kwehuwandu hwetekinoroji nyowani, kusanganisira iyo SRv6 routing protocol, iyo inorerutsa zvakanyanya kuendeswa kweanoshanda VPN traffic. FlexE (Flexible Ethernet) tekinoroji inopa yakavimbiswa kubuda pachikamu chechipiri cheOSI modhi, uye iFIT (In-situ Flow Information Telemetry) inokutendera kuti utarise nemazvo maitiro eSLA.
Kubva pamaonero eanopa, SRv6 inogona kushandiswa kubva padanho remidziyo munzvimbo yedata yakavakirwa paNFV (Network Functions Virtualization) kuenda, semuenzaniso, isina waya yebroadband nharaunda. Vatengi vemakambani vanozoda kupera-kusvika-kumagumo kushandiswa kweiyo protocol nyowani pakuvaka musana (musana) network. Iyo tekinoroji, tinosimbisa, haisi yemuridzi uye inoshandiswa nevatengesi vakasiyana, izvo zvinobvisa njodzi yekusawirirana.
Iyi ndiyo nguva yekutengeserana kweSRv6 tekinoroji kutsigira 5G mhinduro. Chiitiko chinoshanda: Kambani yeArab Zain Group, iri munzira yekuchinja kuenda ku5G, yakagadziridza network yayo, ichiwedzera huwandu hwematanho emusana, uye zvakare yakavandudza manejimendi ezvivakwa kuburikidza nekuunzwa kweSRv6.
Maitiro ekushandisa matekinoroji aya
Zvigadzirwa zvitatu zvakasiyana zvakamboshandiswa se "tekinoroji amburera" inovhara mhinduro dziri pamusoro. U2000 yakashandiswa seNMS yekutapurirana domain uye IP domain. Pamusoro pezvo, uTraffic masisitimu uye iyo inonyanya kuzivikanwa Agile Controller yakashandiswa muSDN masisitimu. Nekudaro, musanganiswa uyu wakazove usiri nyore kana waiswa kune anotakura-kirasi ma routers, saka ikozvino zvigadzirwa izvi zvakabatanidzwa kuita chishandiso. CloudSoP.
Chokutanga pane zvose, inokubvumira kunyatsogadzirisa mararamiro ehupenyu hwezvivakwa, kutanga nekuvakwa kwetiweki - optical kana IP. Iyo zvakare ine basa rekutonga zviwanikwa, ese akajairwa (MPLS) uye nyowani (SRv6). Chekupedzisira, CloudSoP inoita kuti zvikwanise kushandira zvizere masevhisi ese ane huwandu hwepamusoro hwegranularity.
Ngatitarisei zvakanyanya pamaitiro echinyakare ekutungamira. Muchiitiko ichi, inogona kuitwa uchishandisa L3VPN kana SR-TE, iyo inopa mimwe mikana yekugadzira tunnel. Kuti ugovere zviwanikwa zvemabasa akasiyana-siyana ebasa, anopfuura zana paramita uye segment routing anoshandiswa.
Kuendeswa kwesevhisi yakadai kunotaridzika sei? Kutanga iwe unofanirwa kuseta iyo yekutanga mutemo kune chaiyo nhanho (ndege). Mumufananidzo uri pamusoro, teknolojia yeSRv6 inosarudzwa, nerubatsiro rwekuendeswa kwemotokari kubva panzvimbo A kusvika kuE.
Kana tapedza kuseta, tagadzirira kugadzira uye kuvhura mamwe masevhisi eVPN. Mukana wakakura wemhinduro yaHuawei ndeyekuti, kusiyana neyakajairwa MPLS Traffic Injiniya, inokutendera kuti uenzanise nzira dzemugero pasina mamwe ekuwedzera.
Dhiagiramu iri pamusoro inoratidza maitiro ese ekuwana ruzivo. SNMP inowanzo shandiswa kune izvi, izvo zvinotora nguva yakawanda uye zvinopa avhareji mhedzisiro. Nekudaro, telemetry, yataimboshandisa munzvimbo dzedata uye makampasi mhinduro, yauya kune nyika yevanotakura musana network. Iyo inowedzera mutoro, asi inobvumidza iwe kuti unzwisise zviri kuitika pane network kwete paminiti, asi padanho rechipiri.
Ehe, huwandu hunokonzeresa hwetraffic hunofanirwa "kugayiwa" neimwe nzira. Kune izvi, tekinoroji yekuwedzera yemuchina inoshandiswa. Kubva pamatanho akarongedzerwa ezvinokanganisa zvakanyanya network, iyo yekutarisa sisitimu inokwanisa kufanotaura nezve mukana wekuwandisa kunoitika. Semuenzaniso, kuparara kweSFP (Small Form-factor Pluggable) module kana kukurumidza kusimuka mu network traffic.
Uye izvi ndizvo zvakachinjika scalable (scale-out) control system inoita senge yakavakirwa paTaiShan ARM maseva uye GaussDB dhatabhesi. Nodes imwe neimwe ye analytical system ine pfungwa ye "basa", iyo inobvumira kuwedzera kwegranular kwemabasa ekuongororwa sezvo traffic inokura kana nhamba ye network node inowedzera.
Mune mamwe mazwi, zvese zvaive zvakanaka munyika yekuchengetedza masisitimu zviri kuuya zvishoma nezvishoma kumunda wetiweki manejimendi.
Muenzaniso unoshamisa wekushandiswa kwetekinoroji yedu itsva iIndustrial and Commercial Bank yeChina (ICBC). Iyo inotumira musimboti wetiweki wepamusoro-inoshanda ma routers ayo anopihwa mamwe mabasa. Sekureva kweNDA, isu tine kodzero yekupa chete pfungwa yakajairika yeiyo network chimiro mudhiyagiramu. Inosanganisira nzvimbo nhatu huru dze data dzakabatana nemagumo-kusvika-kumagumo tunnel, uye 35 mamwe masayiti (yechipiri-chikamu data data). Ese ari maviri akajairwa kubatanidza uye SR-TE anoshandiswa.
Matatu-layer akangwara IP WAN architecture
Huawei mhinduro dzakabva pane matatu-layer architecture, padanho rezasi iro kune midziyo yekuita kwakasiyana. Pachikamu chechipiri pane nharaunda yekutarisira michina uye mamwe masevhisi anowedzera mashandiro etiweki kuongororwa uye kutonga. Musoro wepamusoro, uchitaura zvishoma, unoshandiswa. Mamiriro akajairika ekushandisa anosanganisira kuronga network yevanoita telecom, masangano emari, makambani emagetsi uye masangano ehurumende.
Heino vhidhiyo pfupi inotsanangura kugona kweNetEngine 8000 uye tekinoroji mhinduro dzinoshandiswa mairi:
Ehe, zvishandiso zvinofanirwa kugadzirirwa kukura kwetraffic uye kuwedzera kwezvivakwa, uchifunga nezvesimba rakakodzera uye kutonhora kwakaringana. Kana iyo mureza we router modhi yakashongedzerwa ne makumi maviri emagetsi emagetsi e20 kW imwe neimwe, kushandiswa kwekabhoni nanotubes mune yekubvisa kupisa sisitimu hakuchaiti senge kusisina basa.
Zvese izvi ndezvei? Zvinoita senge ngano dzesainzi, asi kwatiri ikozvino 14,4 Tbit/s per slot inogoneka. Uye iyi bandwidth inovhuvhuta iri kudiwa. Kunyanya, makambani emari uye simba, mazhinji ayo nhasi ane core network akagadzirwa achishandisa DWDM (Dense Wavelength Division Multiplexing) teknolojia. Mushure mezvose, huwandu hwemaapplication anoda kugara uchimhanya zvakanyanya huri kukura zvakare.
Imwe yemamiriro edu ekuvaka muchina wekudzidza network pakati pemasumbu maviri eAtlas 900 inodawo terabit-kirasi throughput. Uye kune akawanda emabasa akafanana. Izvi zvinosanganisira, kunyanya, nuclear computing, meteorological calculations, nezvimwe.
Hardware hwaro uye zvinodiwa zvayo
Iwo madhayagiramu anoratidza iripo LPUI router modules ine akasanganiswa makadhi uye maitiro avo.
Uye izvi ndizvo zvakaita mepu yemugwagwa nesarudzo nyowani dzemodule dzichave dziripo mumakore maviri anotevera. Paunenge uchigadzira zvigadziriso zvichibva pazviri, zvakakosha kufunga nezvekushandiswa kwesimba. Mazuva ano, nzvimbo dzakajairika dzedhata dzakavakwa pamwero we7-10 kW paraki, nepo kushandiswa kweterabit-class routers kunoreva kushandiswa kwesimba kwakapetwa kakawanda (kusvika ku30-40 uW pakakwirira). Izvi zvinosanganisira kudikanwa kwekugadzira yakasarudzika saiti kana kugadzira yakaparadzana yakakwirira-mutoro nzvimbo munzvimbo iripo yedata.
Kutarisa kwakajairwa pane chassis kunoratidza kuti mafekitori akavanzwa kuseri kwepakati fan block. Iko kune mukana wekutsiva kwavo "kupisa", kunoitwa nekuda kwekuregererwa zvinoenderana ne2N kana N + 1 chirongwa. Muchidimbu, isu tiri kutaura nezve yakajairwa orthogonal architecture yepamusoro kuvimbika.
Kwete chete flagships
Hazvina mhosva kuti anoshamisira sei mamodheru emhando, iyo yakawanda yekumisikidza inoverengerwa nebhokisi mhinduro dzeM uye F dzakatevedzana.
Iwo anonyanya kufarirwa sevhisi ma routers ikozvino M8 uye M14 modhi. Vanokubvumira kuti ushande nezvose zviri pasi-kumhanya, zvakadai seE1, uye high-speed interfaces (100 Gbit / s ikozvino uye 400 Gbit / s munguva pfupi iri kutevera) mukati mepuratifomu imwe chete.
Kuita kweM14 kwakaringana kugutsa zvese zvinodiwa nevatengi vemabhizinesi. Uchishandisa iyo, unogona kuvaka yakajairwa L3VPN mhinduro dzekubatanidza nevanopa; zvakare yakanaka sechimwe chishandiso, semuenzaniso, chekuunganidza telemetry kana kushandisa SRv6.
Nhamba huru yemakadhi inowanikwa kune muenzaniso. Iko hakuna mafekitori akaparadzana, uye vatariri vanoshandiswa kuve nechokwadi chekubatanidza. Nenzira iyi, kugoverwa kwekuita kwese kwezviteshi zvakaratidzwa mudhayagiramu kunowanikwa.
Mune ramangwana, mutariri anogona kutsiviwa neimwe itsva, iyo ichapa hutsva hutsva pazviteshi zvakafanana.
Iyo M8 modhi idiki zvishoma pane iyo M14 uye zvakare yakaderera mukuita kune yekare modhi, asi mashandisiro avo akafanana.
Seti yeM8-inoenderana makadhi emuviri inobvumira, semuenzaniso, kuseta chinongedzo kuP-midziyo kuburikidza ne100 Gbps interface, shandisa FlexE tekinoroji uye encrypt iyo yese.
Kakawanda, iri neM6 ββmudziyo waunogona kutanga kushanda nenharaunda yevashandi. Iyo idiki uye haina kukodzera kune vanopa, asi inoshanda nyore senge traffic aggregation point yekubatanidza nzvimbo dzedunhu data, semuenzaniso mubhangi. Uyezve, iyo software yakaiswa pano yakafanana neyekare mhando.
Kune makadhi mashoma anowanikwa eM6, uye iyo yakanyanya kuita i50 Gbps, iyo, zvisinei, inooneka yakakwirira kupfuura yakajairwa 40 Gbps mhinduro muindasitiri.
Mudiki modhi, M1A, zvakare inofanirwa kutaurwa zvakanyanya. Iyi imhinduro diki inogona kuuya inoshanda apo yakawedzera tembiricha yekushanda inotarisirwa (-40... +65 Β°C).
Mazwi mashoma nezve F line. Iyo NetEngine 8000 F1A modhi yakave imwe yeanonyanya kufarirwa zvigadzirwa zveHuawei muna 2019, zvisingaite nekuda kwekuti ine zviteshi zvine 1 kusvika 100 Gbit/s (kusvika 1,2) Tbit/s muhuwandu).
Zvimwe nezve SRv6
Nei chaizvo ikozvino zvaive zvakakosha kusanganisa tsigiro yeSRv6 tekinoroji mune zvigadzirwa zvedu?
Parizvino, huwandu hwemaprotocol anodiwa kumisikidza VPN tunnels inogona kunge iri 10+, izvo zvinokonzeresa matambudziko akakura ekutonga uye zvinopa zano rekurerutsa maitiro.
Mhinduro yeindastiri padambudziko iri kwaive kugadzira tekinoroji yeSRv6, kusvika pakubuda kwayo Huawei neCisco vaive neruoko.
Chimwe chezvirambidzo chaida kubviswa kwaive kudiwa kwekushandisa iyo per-hop maitiro (PHB) musimboti wekufambisa mapaketi akajairwa. Zvakaoma kumisa kupindirana kwe "inter-operator" kuburikidza neInter-AS MP-BGP nemamwe masevhisi (VPNv4), saka kune mashoma mashoma mhinduro. SRv6 inokutendera kuti utange kuvhura nzira yepakiti kuburikidza nechikamu chose pasina kunyoresa akakosha tunnel. Uye iyo hurongwa hwemaitiro pachawo inorerutswa, iyo inofambisa zvakanyanya kutumirwa kukuru.
Dhiagiramu inoratidza nyaya yekushandisa SRv6. Iwo maviri epasi rose network akabatanidzwa nemaprotocol akati wandei. Kuti ugamuchire sevhisi kubva kune chero dhizaini kana sevhavhavha, nhamba huru yekuchinja (handover) pakati peVXLAN, VLAN, L3VPN, nezvimwewo zvaidiwa.
Mushure mekuitwa kweSRv6, mushandisi aive nemagumo-kusvika-kumagumo mugero kwete kunyangwe kune server yehardware, asi kune Docker mudziyo.
Dzidza zvakawanda nezveFlexE tekinoroji
Chikamu chechipiri cheOSI modhi chakashata nekuti hachipi masevhisi anodiwa uye nhanho yeSLA inodiwa nevanopa. Ivo, zvakare, vangade kuwana imwe mhando yeanalogue yeTDM (Nguva-kupatsanurwa kuwanda), asi paEthernet. Nzira dzakawanda dzakatorwa kugadzirisa dambudziko, nemigumisiro shoma kwazvo.
Flex Ethernet inoshanda chaizvo kuvimbisa kunaka kweSDH (Synchronous Digital Hierarchy) uye TDM mazinga muIP network. Izvi zvakave zvinogoneka nekuda kwekushanda nendege yekuendesa mberi, patinogadzirisa nharaunda yeL2 nenzira iyi kuti ive inobereka sezvinobvira.
Ko chero chiteshi chemagetsi chinoshanda sei? Pane imwe nhamba yemitsara uye tx mhete. Pakiti inopinda mubuffer inomirira kugadziriswa, izvo zvisiri nyore nguva dzose, kunyanya pamberi pehova dzenzou nembeva.
Kuwedzera kuisirwa uye imwe layer yekubvisa inobatsira kuve nechokwadi chekufambisa padanho renzvimbo yemuviri.
Imwe yekuwedzera MAC layer inopihwa kune yekufambisa ruzivo layer, iyo inoita kuti zvikwanise kugadzira mitsetse yakaoma yemuviri iyo chaiyo SLA inogona kupihwa.
Izvi ndizvo zvinotaridzika padanho rekushandisa. Iyo yekuwedzera layer inoshandisa TDM kuumba. Kutenda kune iyi meta-insert, zvinokwanisika kugovera zvishoma mitsetse uye kugadzira TDM masevhisi kuburikidza neEthernet.
Chimwe chezviitiko zvekushandisa FlexE chinosanganisira kuomerera kwakasimba kune SLAs nekugadzira nguva inotsvedza kuti ienzane nekupinda kana kupa zviwanikwa zveakakosha masevhisi.
Chimwe chiitiko chinokubvumira kuti ushande nehurema. Panzvimbo pekungomhanyisa kufambiswa kweruzivo, isu tinogadzira nzira dzakaparadzana dzinenge padanho remuviri, kupesana neayo chaiwo akagadzirwa neQoS (Quality of Service).
Zvimwe nezve iFIT
Kufanana neFlexE, iFIT tekinoroji ine rezinesi kubva kuHuawei. Iyo inobvumira SLA verification pane yakanyanya granular level. Kusiyana neyakajairwa IP SLA uye NQA masisitimu, iFIT haishande neyakagadzirwa, asi ne "live" traffic.
iFIT inowanikwa pamidziyo yese inotsigira telemetry. Kune izvi, imwe ndima yekuwedzera inoshandiswa iyo isina kugarwa neyakajairwa Option Data. Ruzivo rwakanyorwa ipapo rwunokutendera kuti unzwisise zviri kuitika muchiteshi.
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Tichipfupikisa zvakataurwa, tinosimbisa kuti kushanda kweNetEngine 8000 uye matekinoroji akaiswa mukati me "chiuru chezviuru zvisere" matekinoroji anoita kuti michina iyi ive sarudzo ine musoro uye yakakodzera pakugadzira nekugadzira network-yekirasi network, musimboti network yesimba nemakambani emari, pamwe ne βelectronic governmentβ masisitimu.
Source: www.habr.com