XFP vs SFP: Qhov txawv tseem ceeb hauv Optical Transceivers

Thaum Lub Kaum Hli 2024, tus thawj tswj kev yuav khoom los ntawm ib nrab ntawm -loj German systems integrator xa peb RFQ rau 387 daim ntawm XFP-10G-LR. Peb nug dab tsi chassis lawv mus rau hauv. Cisco ASR 1004s - tag nrho cov teem caij rau decommission nyob rau hauv 14 lub hlis. Tsis muaj leej twg ntawm qhov project tau tshaj tawm tias qhov hloov pauv ASR 9000 chassis yuav tsis lees txais XFP txhua.

 

RFQ ntawd tau dhau los ua 420 SFP+ 10G-LR modules coded rau ASR 9000, ntxiv rau 50-unit XFP txij nkawm tsis pub rau ib lub nplhaib qub txeeg qub teg nyob mus txog xyoo 2026. Tag nrho cov nyiaj txuag tawm tsam thawj BOM: € 31,200, nrog rau 00 lub zog rov ua haujlwm dua. Lawv cov thawj coj tau hais rau peb tom qab ntawd tias tus nqi tiag tiag yog qhov yooj yim dua li daim ntawv nthuav qhia - ib qho khoom seem tsis yog ob, ib coding spec tsis yog peb.

 

Nov yog qhov "XFP vs SFP +" lo lus nug tiag tiag zoo li thaum nws mus txog qhov kev yuav khoom.

Architecture Split

XFP thiab SFP + ob leeg txav 10G hla fiber ntau. Tib LC connectors, tib lub wavelengths, tib lub teeb liab ntawm lub iav. 10G-LR txuas nrog XFP ntawm ib kawg thiab SFP + ntawm lwm qhov ua haujlwm zoo. Yog li vim li cas nws tseem ceeb uas koj yuav yuav?

Vim tias daim ntawv ua tau txiav txim siab txhua yam hauv qab: koj qhov kev xaiv chassis, koj cov peev nyiaj siv hluav taws xob, koj qhov chaw nres nkoj ceev, koj cov khoom seem, thiab nce ntxiv, txawm tias koj tuaj yeem hloov qhov hloov pauv txhua.

XFP (MSA luam tawm 2005) tso CDR, EDC, thiab teeb liab txias rau hauv lub module. SFP + (tau pom zoo Lub Xya Hli 2009) tshem tawm tag nrho cov ntawd tawm thiab thawb nws mus rau tus tswv tsev motherboard. Cov pob me me: 56.5 × 13.4 mm piv rau 71 × 18.35 mm. Lub zog qis: 0.8-1.0 W piv rau 3.5 W. txawv tawb. Tsis muaj lub cev adapter nruab nrab ntawm ob. Thaum koj cog lus rau ib daim ntawv zoo, koj cog lus rau lub platform ecosystem.

Cisco xaus tag nrho XFP ntau lawm xyoo tas los. Hnub kawg xaj: Lub Xya Hli 27, 2024 (cisco.com).

Dab tsi yog 1,247-Port Migration Tiag Nqi

Feem ntau XFP-vs-SFP+ kev sib piv qhia koj lub ntsiab lus thiab tso lej rau koj. Qhov ntawd tsis muaj txiaj ntsig rau kev txheeb xyuas nyiaj txiag. Nov yog qhov scenario tiag tiag uas peb pab tau.

Regional ISP. 26 PoP sites. 1,247 active 10G-LR ports on Cisco 7600 chassis, migrating to ASR 9000 with SFP+ line cards. Tag nrho ib leeg - hom, 1310 nm.

62% qis dua ntawm optics ib leeg. Tsis suav nrog chassis, kab ntawv, lossis cov khib nyiab kom tau txais txiaj ntsig los ntawm kev sib sau 52 chassis qhov chaw mus txog 31.

Vim li cas PUE 1.45 thiab tsis yog kev lag luam nruab nrab 1.58? Vim qhov no yog qhov ntsuas tus nqi los ntawm cov neeg siv khoom. Koj tus lej yuav txawv. Yog tias koj lub PUE yog 1.8, qhov sib txawv ntawm lub zog tau txais qhov dav dua. Yog tias koj yog tus neeg teb xov tooj nyob sab Europe them € 0.21 / kWh es tsis txhob $ 0.094, tsib -lub xyoo zog delta ib leeg tshaj € 41,000. Peb tsim cov qauv no rau cov neeg siv khoom thaum lub sijhawm hais lus - nws yuav siv ib qho email nrog koj qhov chaw specs.

Tus lej feem ntau pawg neeg yuav khoom saib tag nrho yog khib nyiab. XFP kab ntawv: 4 mus rau 8 qhov chaw nres nkoj rau ib qhov. SFP + kab ntawv tam sim no: 16 txog 36. Ntawm $800/hli ib nrab-rack hauv colocation, txhua chav tso khib nyiab sib txuas ceev ceev.

Thaum Koj Yuav Tsum Tau Txais XFP

Peb tsim ob qho tib si. Peb yuav theej muag koj qhov zoo module rau koj lub network tshaj qhov uas muaj cov paj ntau dua.

Yog tias koj tab tom khiav OC-192 ntawm lub nplhaib metro SONET uas tseem tab tom nqa cov nyiaj tau los, hloov cov txheej txheem thauj khoom yog xya - daim duab sib tham uas suav nrog cov sijhawm tswj hwm, tsis yog kev sib pauv hloov pauv. XFP thib peb ntawm $ 38-45 txhua qhov txuas ntxiv lub neej ntawm cov txheej txheem ntawd ntawm ib feem ntawm lwm tus nqi. Peb khaws XFP cov khoom lag luam hauv Tshuag tshwj xeeb rau cov kev saib xyuas no.

Yog tias koj cov nroj tsuag sab nraum zoov khiav XFP-tsuas yog cov ntaub ntawv ruggedized nyob rau ntawm -40℃rau +85 degree, ib daim ntawv hloov pauv txhais tau tias hloov lub thawv, tsis yog cov optics xwb. Cov ntaub ntawv lag luam rau qhov tsis tshua ua haujlwm thaum cov cuab yeej siv tau peb xyoos lossis ntau dua.

Yog tias koj xav tau DWDM tunable ntawm cov kab ke ROADM qub, XFP tunables hla 50 GHz ITU-T daim phiaj tseem yog qhov kev xaiv pov thawj ntau dua. SFP + tunables muaj nyob tab sis tseem tsis tau muaj qhov sib luag rau txhua qhov kev tsim qauv.

Sab nraum peb qhov xwm txheej no, kev yuav khoom XFP tshiab yog qhov nyuaj rau kev pom zoo. Lub sij hawm ua rau cov XFP tsis tshua muaj qhov sib txawv tau nthuav tawm los ntawm ob lub lis piam mus rau rau. Wavelength muaj nyob rau hauv lub quarter dhau los. Lub qhov rais muab khoom kaw. Yog tias koj xav tau cov khoom lag luam tu, tsim nws tam sim no - tsis yog tom qab koj qhov kev ua tsis tiav tom ntej.

Xaiv tus neeg muab khoom tsis yog hais txog Module Spec

Txhua 10G-LR ntawm lub khw yog tsim los rau tib tus qauv MSA. Lub TOSA thiab ROSA sub- cov rooj sib txoos yog los ntawm tib lub tsev ntawm cov khoom. Ib qho $ 15 module thiab $ 600 module siv tib lub Lumentum laser diode. Yog li koj xaiv dab tsi thaum koj xaiv tus neeg muag khoom?

Peb yam.

Coding raug. Cisco, Juniper, Arista, thiab lwm tus neeg muag khoom feem ntau khiav EEPROM validation ntawm txhua qhov module tso. Cov neeg muag khoom tsis raug cai txhais tau tias "Tsis muaj kev txhawb nqa transceiver" ntawm lub console thiab tus engineer nkim sijhawm. Peb tuav coding cov tsev qiv ntawv rau ntau tshaj 200 lub platform, sim tawm tsam cov software tshwj xeeb. Qee tus neeg xa khoom xa cov khoom siv dav dav thiab qhia koj kom paub cov coding. Ntawm Juniper NSP cov npe xa ntawv, tus kws tsim qauv sau cov npe khoom npe-QFX3500 tshiab hloov thaiv qhov thib peb- tog optics tag nrho txawm hais tias tus neeg muag khoom tau lees paub (narkive.com). Qhov no yog ib qho teeb meem daws tau - tab sis tsuas yog tias koj tus neeg muag khoom daws nws ua ntej lub nkoj thauj khoom.

Kev tswj kom zoo. A 2–3% DOA tus nqi ntawm 500- daim ntawv txiav txim txhais tau tias 10 mus rau 15 modules uas xav tau RMA ua. Ntawm $ 50 ntawm cov neeg ua haujlwm thauj khoom ib qho xwm txheej, tus nqi pheej yig tshaj plaws tuaj yeem tsim tus nqi siab tshaj plaws. Peb tshaj tawm peb cov ntaub ntawv DOA. Nug koj lwm tus neeg muag khoom yog tias lawv yuav ua ib yam. Nug seb lawv puas ua 72-teev hlawv-hauv ua ntej xa khoom, lossis yog tias lawv xa cov khoom tsis raug kuaj los ntawm lub tsev muag khoom xa khoom.

Kev txhawb nqa tsis tu ncua. Kev sib tham ntawm DOM telemetry - TX Bias Tam sim no trending, RX Lub zog degradation xyuas, qhov kub thiab txias qhov pib ceeb toom - yog ib yam uas peb pab cov neeg muas zaub teeb tsa thaum lub sij hawm onboarding. Modules uas qhia txog kev degradation rau lub hlis ua ntej tsis ua hauj lwm muab lub sij hawm ua tus thawj coj rau qhov chaw hloov ntawm lub sij hawm ib txwm tsis muaj kev txiav txim thaum muaj xwm ceev. Qhov no tseem ceeb dua rau XFP, qhov twg cov khoom hloov pauv tau tsawg. Peb suav nrog DOM kev taw qhia kev teeb tsa nrog txhua qhov kev txiav txim ntawm 100+ units. Tsis yog txhua tus neeg muag khoom ua.

Cov ntsiab lus dav dav Migration

Ob leeg XFP thiab SFP + yog 10G daim ntawv tseem ceeb hauv kev ua lag luam nrawm mus rau 400G thiab 800G. IEEE 802.3df tau pom zoo 800GbE thaum Lub Ob Hlis 2024. Tus qauv 1.6T (802.3dj) yuav tsum nyob rau hauv 2026. Kev loj hlob yog nyob rau hauv QSFP-DD thiab OSFP, uas sib koom tsis muaj lub cev sib haum nrog XFP lossis SFP+.

Qhov no txhais li cas rau koj lub chassis tom ntej no: SFP + rau 10G tam sim no xav tau, tab sis paub meej tias lub platform muaj QSFP-DD lossis OSFP uplink slots. Thaum nkag mus rau- txheej ceev txav mus rau 25G, koj txheej txheej yuav tsum tau lis 400G yam tsis muaj lwm qhov kev hloov kho forklift. Peb tuaj yeem taug kev koj los ntawm kev xaiv lub platform tshwj xeeb thaum lub sijhawm sau ntawv.

Pib pib

FOCC Fiber Co., Ltd. manufactures MSA -ua raws li optical transceivers thiab passive fiber ntau los ntawm peb lub chaw nyob hauv Shenzhen, Suav teb. SFP, SFP+, XFP, QSFP+, QSFP28 - DOM kev them nyiaj yug, ntau- tus neeg muag khoom coding, hlawv- hauv kev sim.