Dabere na njirimara ndị a, enwere ihe ngwọta DCI abụọ a na-ahụkarị:
1. Jiri ngwa DWDM dị ọcha, ma jiri modul anya agba agba + DWDM multiplexer / demultiplexer na mgba ọkụ.N'ihe banyere otu ọwa 10G, ọnụ ahịa ya dị oke ala, na nhọrọ ngwaahịa dị ukwuu.10G agba ọkụ modul dị n'ime ụlọ E mepụtalarị ya, ọnụ ahịa ya adịlarị ala (n'ezie, usoro 10G DWDM malitere ịghọ ewu ewu afọ ole na ole gara aga, ma na mbata nke ụfọdụ nnukwu bandwidth chọrọ, ọ nwere. a ga-ekpochapụ, na 100G agba ọkụ modul adịbeghị. Ọ pụtara.) Ka ọ dị ugbu a, 100G ka malitere ịpụta na China ndị metụtara agba ngwa anya modul, na ọnụ ahịa adịghị ala, ma ọ ga-enye aka mgbe niile. na netwọk DCI.
2. Jiri akụrụngwa OTN nnyefe dị elu, ha bụ 220V AC, akụrụngwa 19-inch, 1 ~ 2U dị elu, na ntinye ya dị mfe karị.A na-agbanyụ ọrụ SD-FEC iji belata igbu oge, a na-ejikwa nchebe okporo ụzọ na oyi akwa anya iji meziwanye nkwụsi ike, na njikwa ugwu na-achịkwa na-emekwa ka ikike mmepe nke ọrụ mgbasawanye akụrụngwa dịkwuo mma.Agbanyeghị, teknụzụ OTN ka edobere, njikwa ka ga-adịkwa mgbagwoju anya.
Tụkwasị na nke ahụ, ihe ndị na-arụ ọrụ netwọk DCI nke mbụ na-eme ugbu a bụ iji mebie netwọk mgbasa ozi DCI, gụnyere ngbanwe nke ngwa anya na oyi akwa 0 na eletriki na oyi akwa 1, yana NMS na ngwa ngwa nke ndị na-emepụta omenala. .imekọ ihe.Usoro ọdịnala bụ na ụfọdụ akụrụngwa nhazi ọkụ eletrik ga-ejikọrịrị ya na ngwa ngwa anya nke ndị nrụpụta, yana akụrụngwa akụrụngwa ga-akwadorịrị na ngwanrọ NMS nke onye nrụpụta nwere maka njikwa.Usoro ọdịnala a nwere ọtụtụ ihe ndọghachi azụ:
1. A na-emechi teknụzụ.Na tiori, ọkwa optoelectronic nwere ike ịpụpụ site na ibe ya, ma ndị na-emepụta omenala na-ama ụma anaghị ewepụ ya iji chịkwaa ikike nke nkà na ụzụ.
2. Ọnụ ego nke netwọk mgbasa ozi DCI na-elekwasị anya na oyi akwa nhazi mgbaàmà eletrik.Ọnụ ego mbụ nke ihe owuwu nke usoro ahụ dị ala, ma mgbe ike gbasaa, onye nrụpụta ga-ebuli ọnụahịa ahụ n'okpuru egwu nke ihe dị iche iche nke nkà na ụzụ, na ọnụ ahịa mgbasawanye ga-abawanye nke ukwuu.
3. Mgbe etinyere oyi akwa anya nke netwọk mgbasa ozi DCI, enwere ike iji ya naanị site na ngwa eletriki eletrik nke otu onye nrụpụta.Ọnụego ojiji nke akụrụngwa akụrụngwa dị ala, nke na-anaghị agbaso ụzọ mmepe nke ikpokọta akụrụngwa netwọkụ, ọ naghịkwa enyere gị aka ịhazi usoro akụrụngwa ngwa anya jikọtara ọnụ.The decoupled ngwa anya oyi akwa na-nyekwara iche iche na mmalite ogbo nke ewu, na ọ bụghị nanị site na-eme n'ọdịnihu iji otu ngwa anya oyi akwa usoro nke otutu emepụta, na-ejikọta northbound interface nke ngwa anya oyi akwa na SDN technology ịrụ ntụziaka nhazi oge nke ọwa. akụrụngwa na oyi akwa anya , Meziwanye mgbanwe azụmahịa.
4. The netwọk akụrụngwa seamlessly jikọọ na Internet ụlọ ọrụ onwe netwọk management n'elu ikpo okwu ozugbo site data Ọdịdị nke YANGmodel, nke na-azọpụta mmepe ego nke management n'elu ikpo okwu na-ewepụ NMS software nyere site emeputa, nke na-eme ka arụmọrụ nke nchịkọta data na-eme ka ọ dị mma. njikwa netwọkụ.njikwa arụmọrụ.
Ya mere, optoelectronic decoupling bụ ntụziaka ọhụrụ maka mmepe nke netwọk mgbasa ozi DCI.N'ọdịnihu a na-ahụ anya, oyi akwa anya nke netwọk mgbasa ozi DCI nwere ike ịbụ teknụzụ SDN nke mejupụtara ROADM + n'ebe ugwu-south interface, na ọwa nwere ike imeghe, hazie ma nwetaghachi ya n'ụzọ aka ike.Ọ ga-ekwe omume iji ngwaọrụ oyi akwa eletrik agwakọta nke ndị na-emepụta ihe, ma ọ bụ ọbụna ojiji nke Ethernet interfaces na OTN interfaces na otu ngwa anya.N'oge ahụ, arụmọrụ ọrụ n'ihe gbasara mgbasawanye usoro na mgbanwe ga-eme ka ọ dịkwuo mma, a ga-ejikwa oyi akwa anya mee ihe.Ọ dị mfe ịmata ọdịiche, njikwa mgbagha netwọk ahụ doro anya, na ọnụ ahịa ga-ebelata nke ukwuu.
Maka SDN, isi mmalite bụ njikwa etiti na oke nke akụrụngwa netwọkụ.Yabụ, kedu ihe akụrụngwa mgbasa ozi DWDM nwere ike ijikwa na netwọk mgbasa ozi DCI dị ugbu a?
Enwere ọwa atọ, ụzọ na bandwit (ugboro ugboro).Ya mere, ìhè na nkwado nke ìhè + IP na-eme n'ezie gburugburu njikwa na nkesa nke ihe atọ a.
A na-emezigharị ọwa IP na DWDM, yabụ ọ bụrụ na ahazi njikọ kwekọrọ na njikọ ezi uche dị na IP na ọwa DWDM n'oge mmalite, yana mmekọrịta kwekọrọ na ọwa na IP kwesịrị imezigharị ma emechaa, ịnwere ike iji OXC. A na-eji usoro a na-eme mgbanwe ọwa ngwa ngwa na ọkwa millisecond, nke nwere ike ime ka oyi akwa IP amaghị.Site na njikwa nke OXC, a ga-enwe ike imezu njikwa akụ na ụba nke ọwa mgbasa ozi na saịtị ọ bụla, iji kwado azụmahịa SDN.
Ndozi ndozi nke otu ọwa na IP bụ naanị obere akụkụ.Ọ bụrụ na ị na-atụle ịhazigharị bandwit mgbe ị na-edozi ọwa ahụ, ị nwere ike dozie nsogbu nke ịhazigharị bandwidth chọrọ nke ọrụ dị iche iche na oge dị iche iche.Meziwanye ọnụego ojiji nke bandwit wuru.Ya mere, mgbe ị na-ahazi na OXC iji mezie ọwa, jikọtara ya na multiplexer na demultiplexer nke mgbanwe grid technology, otu ọwa enwekwaghị a ofu Central wavelength, ma na-enye ohere ya na-ekpuchi a scalable ugboro nso, ka nweta mgbanwe mgbanwe nke. bandwit size.Ọzọkwa, n'ihe banyere iji ọtụtụ ọrụ na netwọk topology, a pụrụ imeziwanye ọnụọgụ ugboro ugboro nke usoro DWDM, na ihe ndị dị ugbu a nwere ike iji na saturation.
Site na ike njikwa ike nke abụọ mbụ, njikwa ụzọ nke netwọk mgbasa ozi nwere ike inyere topology netwọk niile aka inwe nkwụsi ike dị elu.Dị ka njirimara nke netwọk mgbasa ozi si dị, ụzọ ọ bụla nwere ihe onwunwe nnyefe onwe ya, ya mere, ọ dị oke mkpa ijikwa ma nyefee ọwa na ụzọ nnyefe ọ bụla n'otu ụzọ dị n'otu, nke ga-enye nhọrọ kachasị mma maka ọrụ ọtụtụ ụzọ , ma buliekwa iji akụrụngwa ọwa n'ụzọ niile.Dị ka ASON, ọla edo, ọlaọcha na ọla kọpa dị iche iche maka ọrụ dị iche iche iji hụ na nkwụsi ike nke ọrụ kachasị elu.
Dị ka ihe atụ, e nwere a mgbanaka netwọk nke mejupụtara atọ data center A, B, na C. E nwere ọrụ S1 (dị ka intranet nnukwu data ọrụ), site A ruo B ruo C, na-ebi 1 ~ 5 ebili mmiri nke a mgbanaka netwọk. ebili mmiri ọ bụla nwere bandwit 100G, na nkeji oge bụ 50GHz;e nwere ọrụ S2 (ọrụ netwọk mpụga), Site na A ruo B ruo C, 6 ~ 9 ebili mmiri nke netwọk mgbanaka na-arụ ọrụ, ebili mmiri ọ bụla nwere bandwit nke 100G, na nkeji oge bụ 50GHz.
N'oge nkịtị, ụdị bandwit na ojiji ọwa nwere ike izute ihe a chọrọ, ma mgbe ụfọdụ, dịka ọmụmaatụ, a na-agbakwunye ebe data ọhụrụ, na azụmahịa ahụ kwesịrị ịkwaga nchekwa data n'ime obere oge, mgbe ahụ, ọchịchọ maka bandwidth intranet na oge a ga-abụ Ọ okpukpu abụọ, mbụ 500G bandwit (5 100G), ugbu a chọrọ 2T bandwit.Mgbe ahụ enwere ike ịmegharị ọwa ndị dị na ọkwa mgbasa ozi, a na-etinyekwa ọwa 400G ise na oyi akwa ebili mmiri.A na-agbanwe oge oge nke ọwa 400G ọ bụla site na 50GHz mbụ gaa na 75GHz.Site na grating ROADM na-agbanwe agbanwe na multiplexer / demultiplexer, ụzọ dum na ọkwa mgbasa ozi, yabụ ọwa ise ndị a na-ejide akụrụngwa ụdịdị 375GHz.Mgbe akụrụngwa dị na ọkwa nnyefe dị njikere, dozie OXC site na ikpo okwu njikwa etiti, ma dozie ọwa mgbasa ozi nke mbụ 1-5 ebili mmiri nke akara ọrụ 100G na-eji 5 a kwadebere ọhụrụ yana igbu oge ọkwa millisecond Ọrụ 400G. ọwa na-arị elu, nke mere na ọrụ nke mgbanwe mgbanwe nke bandwit na ọwa dị ka ọrụ DCI chọrọ ka emechara, nke nwere ike ịrụ ọrụ ozugbo.N'ezie, njikọ netwọk nke ngwaọrụ IP kwesịrị ịkwado 100G / 400G ọnụego na-agbanwe agbanwe na ọrụ ngbanwe ngwa anya (wavelength), nke agaghị abụ nsogbu.
Banyere teknụzụ netwọkụ nke DCI, ọrụ a ga-arụcha site na nnyefe dị oke ala.Iji nweta netwọọdụ DCI nwere ọgụgụ isi karịa, ọ dị mkpa ka ejiri IP rụpụta ya.Dịka ọmụmaatụ, jiri MP-BGP EVPN+VXLAN na IP intranet nke DCI iji wepụta netwọk oyi akwa 2 n'ofe DCs, nke nwere ike dakọtara na ngwaọrụ netwọk dị ugbu a ma gboo mkpa nke igwe mebere onye nwe ụlọ ka ọ na-agagharị na-agbanwe agbanwe n'ofe DC.;Jiri uzo uzo na DCI's IP mpụga netwọk iji mee nhazi usoro okporo ụzọ dabere na isi ahịa azụmahịa, izute ihe achọrọ nke nleba anya okporo ụzọ cross-DC egress, mweghachi ụzọ ngwa ngwa, na iji bandwidth dị elu;netwọk mgbasa ozi dị n'okpuru na-arụkọ ọrụ na usoro OXC multi-dimensional, Tụnyere ROADM dị ugbu a, ọ nwere ike ịghọta ọrụ nhazi usoro ọrụ nke ọma;iji teknụzụ ntụgharị ntụgharị ikuku na-abụghị ọkụ eletrik nwere ike dozie nsogbu nke nkewa nke akụrụngwa ụdị ọwa.Ngwakọta nke elu-layer na ala ala maka njikwa azụmahịa na mbugharị, ntinye mgbanwe, na iji ihe onwunwe emelitere ga-abụ ntụziaka a na-apụghị izere ezere n'ọdịnihu.Ka ọ dị ugbu a, ụfọdụ nnukwu ụlọ ọrụ ụlọ na-aṅa ntị na mpaghara a, ụfọdụ ụlọ ọrụ ndị ọkachamara na-amalite amalitelarị na-eme nchọpụta na mmepe nke ngwaahịa teknụzụ ndị metụtara ya.Na-atụ anya ịhụ metụtara mkpokọta ngwọta na ahịa afọ a.Ikekwe n'ọdịnihu dị nso, OTN ga-apụkwa na netwọk ndị na-ebu ụgbọ, na-ahapụ naanị DWDM.
Oge nzipu: Feb-15-2023