Next Breakthrough Technologies: Trends in Datacenter for 100G and Beyond. Durgesh S Vaidya May 9, 2014
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2 Next Breakthrough Technologies: Trends in Datacenter for 100G and Beyond Durgesh S Vaidya May 9, 2014
3 Outline Motivation for Datacenter evolution Challenges and solutions OFS and Furukawa product roadmap
4 Motivation for Datacenter evolution
5 Global datacenters by area = 26,554,629 m 2 Datacenters worldwide
6 Global datacenter map by count 2% 35% 46% 1% 12% 3% 1% CALA NAR Africa Australia Asia Middle-East Europe Source:
7 Motivation for Datacenter evolution It all starts with the consumer! Nearly half of the internet traffic occurs on Netflix and YouTube!
8 Datacenters have had to evolve
9 Mega Datacenters
10 Datacenter s role today Mirror of the internet! A copy of the entire internet* is stored and indexed across multiple datacenters! aka The Cloud * About 224 Billion HD movies
11 Challenges and solutions
12 1. Faster transmission speeds Data has to be accessed and returned within half a second! Ever increasing aggregation speed at the datacenter! 10G to 40G today, 100G to 400G to 1.6T 1T = 1 Terabits/sec = 1000G
13 2. Reach One-storey construction Maximum reach in the datacenter increasing from 100m to m
14 3. Cable management Need small cables
15 4. Server failure resiliency A server gets replaced/repaired about every 10 minutes! Connectivity has to be plug and play, and reliable!
16 5. Less power 200MW of power in mega datacenters Driving the discussion of disruptive technology: Silicon Photonics A new technology that possibly reduces power consumption by 70%
17 Link Density per cost Maximize Transmission speed Cost Gbps meters mm 2 $ Reach Cable and connectivity area
18 Challenges and solutions
19 1, 2:Transmission speed & Reach Furukawa optical engine at 1060nm 50mm Multimode fiber (MMF) optimized for 1060nm instead of 850nm LaserWave FLEX Bend-Optimized Multimode Fiber
20 BER Solution: longer wavelength (l) 1e-4 1e-6 BtoB 100m 200m 300m Reason: Chromatic dispersion at 1060nm is 30% of that at 850nm 1e-8 1e-10 BER = Bit Error Rate Needs to be less than per standards 1e Received optical average power (dbm) Pass 25G reach extended from 125m at 850nm to 300m at 1060nm!
21 3. Cable size: 1.2mm jumper Available in LC UPC SC UPC AllWave FLEX+ Fiber (0.3dB insertion loss) 64% reduction in cable area over 2mm jumpers! LaserWave FLEX Fiber (0.5dB insertion loss)
22 3. Cable size: 1.2mm jumper Low bend loss! 60lbs or 27kg load Mechanically and optically robust!
23 4. Ultra High Density: Multicore fiber 3x-4x connectorized density High potential for Silicon Photonics Singlemode cores for 500m-2000m reach
24 5. Power: Silicon Photonics Conventional transceiver modules Electrical Silicon Photonic Other materials Silicon photonics modules Elec. + Photo. Silicon + Other materials Silicon substrate from electrical is used to generate photons
25 5. Silicon Photonics (50G & beyond) Will require ultra high density interconnections for scalability
26 5. Multicore core prototype assembly
27 G (12fx10G) G (4fx25G) CWDM 100G (1fx 4l x25g) G (16fx25G) CWDM 400G (4f x 4l x 25G) SMF G (16f x 25G) Gbps*m/mm 2 /$ (Normalized to 4x25G) Comparison of options * Link density per cost Tr Drivers Con. Cable assembly More speed More reach Less size Cost-effective Less power Rx Backward compatibility Cooling costs due to duct congestion not accounted for f=fiber, l = l, c= core Page 27
28 G (12fx10G) G (4fx25G) CWDM 100G (1fx 4l x25g) G (16fx25G) CWDM 400G (4f x 4l x 25G) SMF G (16f x 25G) MCF SiP G (8c x 25G) MCF SiP G (8c x 50G) Gbps*m/mm 2 /$ (Normalized to 4x25G) Comparison of options Link density per cost Tr Drivers Con. Cable assembly More speed More reach Less size Cost-effective Less power Rx Backward compatibility Cooling costs due to duct congestion not accounted for f=fiber, l = l, c= core Page 28
29 Summary Option Pros Cons Comments (Year) Short wavelength (850nm) Cheapest cost for current speeds Restricted to nm in standard solutions (2014) Long wavelength (1060nm) Longer reach than 850nm due to low dispersion Need multiple suppliers in addition to Furukawa Helps position CWDM; Proprietary solution CWDM (OM5?) (Coarse Wavelength Division Multiplexing) Backward compatibility for structured cablers; Optimal approach to short reach High bandwidth at 4l is challenging Likely 850nm- 1000nm ( ) Multicore technology Feasibility of simplex (SC, LC) connectivity established Working with Silicon Photonics vendors Positioned for Silicon Photonics ( ) Page 29
30 Portfolio vs. Market drivers 2008 Data 2012 Data High wavelengthcapable standard MMF ( OM5 ) 1.2mm MMF jumpers High Wavelength-capable MMF premium (OM5+) 1.2mm MMF jumpers premium 1.2mm SMF jumpers, Multicore SMF (MCSMF) jumpers Disruptive technology: Si Photonics Multimode Fiber Strategy Meeting, March 2014 Page 30
31 Summary Furukawa & OFS are well-positioned for datacenter needs at 100G and beyond with LaserWave FLEX Bend-Optimized MMF High wavelength MMF with CWDM capability 1.2mm jumper cable package Multicore fiber technology with singlemode core connectorized assembly
32 Obrigado! Gracias Thank you! 32
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