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Mgbe 400G gasịrị, QSFP-DD 800G na-abịa na ifufe

Ka ọ dị ugbu a, a na-ejikarị modul IO nke SFP28/SFP56 na QSFP28/QSFP56 jikọọ switches na switches na sava n'ime nnukwu ụlọ ọrụ na ahịa.N'ime afọ 56Gbps ọnụego, iji na-achụso njupụta ọdụ ụgbọ mmiri dị elu, ndị mmadụ emepụtala modul QSFP-DD IO iji nweta ikike ọdụ ụgbọ mmiri 400G.Site n'iji okpukpu abụọ nke ọnụọgụ mgbaàmà, ike ọdụ ụgbọ mmiri nke QSFP DD modul ejirila okpukpu abụọ ruo 800G, nke a na-akpọ OSFP112.A na-ejikọta ya na ọwa asatọ dị elu, na ọnụego nnyefe nke otu ọwa nwere ike iru 112G PAM4.Ọnụ ego nnyefe nke ngwugwu niile ruru 800G.N'azụ dakọtara na OSFP56, ma e jiri ya tụnyere otu oge iji mee ka ọsọ ahụ okpukpu abụọ, zute ọkọlọtọ mkpakọrịta IEEE 802.3CK;N'ihi nke a, mfu njikọ ga-abawanye nke ọma na ebe nnyefe nke modul ọla kọpa CABLE IO ga-adị mkpụmkpụ karị.Dabere na mmachi anụ ahụ ezi uche dị na ya, ndị otu IEEE 802.3CK, bụ ndị mebere nkọwapụta 112G, belatara ogologo njikọ eriri ọla kọpa na mita 2 na ndabere nke 56G ọla kọpa IO nwere oke ọsọ nke 3 mita.

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QSFP-DD X 2 ọdụ ụgbọ mmiri 1.6Tbps ule osisi

QQSFP -DD 800G na-abịa megide ifufe

A na-ekpebi ike nke etiti data site na sava, mgba ọkụ, na ihe njikọ njikọ na-edozi ibe ha ma na-akwali ibe ha n'ọsọ ọsọ, uto dị ọnụ ala.Teknụzụ mgbanwe bụ isi ihe na-eme ka ọ na-anya ọtụtụ afọ.Ka OFC2021 na-abịa na njedebe n'oge na-adịbeghị anya, ndị na-emepụta nkwurịta okwu ngwa anya dị ka Intel, Finisar, Xechuang, Opticexpress na New Yisheng egosipụtala modul ngwa anya usoro 800G.N'otu oge ahụ, ụlọ ọrụ mgbawa anya nke mba ofesi gosipụtara ngwaahịa mgbawa dị elu maka 800G, na atụmatụ omenala ka nwere ike ịnwe ebe na oge 800G.Anyị na-eche na 800G optical module technology ụzọ na-apụtawanye ìhè, 800GDR8 na 2 * FR4 nwere ikike kachasị;Dịka OFC2021 mainstream optical module na ụlọ ọrụ mgbawa anya ewepụtala ngwaahịa ọhụrụ n'otu n'otu, akọwapụtala oge ọnụ na ụzọ teknụzụ bụ isi nke nkwalite 800G.Ọnụego ụlọ ọrụ modul optical data center na-aga n'ihu na-aga n'ihu, ma ekpebiela njirimara uto ogologo oge.Anyị kwenyere na n'oge nke digitalization na ọgụgụ isi, mgbawa na-aga n'ihu nke okporo ụzọ data center ewetawo ọchịchọ nke na-aga n'ihu iteration nke ngwa anya modul.Ụzọ teknụzụ doro anya nke 800G na-egosi na 400G ga-abụ nnukwu.

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Mgbe 25Gbps na-ebuli ọnụego mgbama na 56Gbps dị ugbu a, n'ihi ntinye nke usoro mgbaàmà PAM4 (Pulse Amplitude Modulation) (IEEE 802.3BS otu), Isi ugboro ugboro nke mgbaàmà na-ebufe na njikọ Serdes Ethernet naanị na-ebuli elu. site na 12.89ghz ruo 13.28ghz, na akara mgbama isi ugboro anaghị agbanwe nke ukwuu.Sistemu nwere ike ịkwado ezigbo nnyefe nke akara 25Gbps nwere ike ịkwalite na ọnụego mgbama 56Gbps na njikarịcha ntakịrị.Ịkwalite site na 56Gbps ọnụego mgbama gaa na 112Gbps ọnụego mgbama adịghị mfe.Sistemu mgbama PAM4 ewepụtara mgbe emepụtara ụkpụrụ ọnụego 56Gbps ga-adịcha ka a ga-ejigharị ya na ọnụego 112Gbps.Nke a na-agbanwe isi ugboro ugboro nke 112Gbps Ethernet mgbaàmà na 26.56ghz, nke bụ okpukpu abụọ nke ọnụego mgbama 56Gbps.N'ọgbọ nke 112Gbps ọnụego, ihe achọrọ teknụzụ USB ga-eche ule na-achọsi ike ihu.Ka ọ dị ugbu a, ejikọrọ eriri 400Gbps dị elu na ngwaahịa ahụ.Early tozuru okè ụdị bụ tumadi mba ọzọ ụdị, dị ka TE, LEONI, MOLEX, Amphenol, wdg Domestic ụdị nwekwara malite gafe na-adịbeghị anya.Site na usoro mmepụta ihe, akụrụngwa na ihe, anyị emeela ọtụtụ ihe ọhụrụ.Ka ọ dị ugbu a, enwere ụlọ ọrụ ụlọ na-arụpụta eriri ọla kọpa 800G, mana anyị anakọtabeghị ọtụtụ ihe.Shenzhen Hongteda, Dongguan Zhongyou Electronics, Dongguan Jinxinuo, Shenzhen Simic Communication, wdg, ma ẹdude oru isi ike bụ tumadi na iferi waya akụkụ.Ka ọ dị ugbu a, ọ na-esiri ike idozi oke arụmọrụ eletriki eletrik dị elu na ihe nro chọrọ nke wiwi USB n'otu oge.DAC ọla kọpa USB ga-eche ihu oge mmepe ngwa ngwa.Enwere naanị ole na ole ndị na-emepụta waya mpaghara.

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Ahịa ahụ na-agbanwe ngwa ngwa, ọ ga-etolite ọbụna ngwa ngwa n'ọdịnihu.Ozi ọma ahụ bụ na enweela ọganihu dị ịrịba ama na nke na-ekwe nkwa, site na ụlọ ọrụ ụkpụrụ na ụlọ ọrụ, iji mee ka ebe data nwee ike ịkwaga na 400GB na 800GB.Ma iwepụ ihe mgbochi nkà na ụzụ bụ nanị ọkara ihe ịma aka.Nkeji nke ọzọ bụ oge.Ozugbo ikpe na-ezighị ezi mere, ọnụ ahịa ga-adị elu.Isi ihe dị na ebe data ụlọ dị ugbu a bụ 100G.N'ime ebe data 100G etinyegoro, 25% bụ ọla kọpa, 50% bụ eriri multi-mode, na 25% bụ eriri otu modul.Ọnụọgụ nwa oge ndị a abụghị kpọmkwem, mana mmụba na-arịwanye elu maka bandwit, ikike, na nkwụsịtụ dị ala na-ebuga njem ahụ gaa na ọsọ netwọk ngwa ngwa.Ya mere kwa afọ, ngbanwe na ike nke nnukwu ụlọ ọrụ data igwe ojii bụ ule.Ugbu a, 100GB na-ejupụta ahịa, yana 400GB na-atụ anya n'afọ ọzọ.N'agbanyeghị nke a, data data ka na-aga n'ihu na-abawanye, nrụgide na ebe data ga-anọgide na-abawanye, na-esote 400G, QSFP-DD 800G abiala.

 

 


Oge nzipu: Ọgọst-16-2022