Practical and Possible
100G Networking




Chris Janson
March 31, 2009




© Ciena Confidential and Proprietary
Today’s speaker




       Chris Janson
       Sr. Product Manager
       Ciena Communications




                       ...
Agenda
                                       Practical and Possible:
                                         100G Networ...
Agenda
                                       Practical and Possible:
                                         100G Networ...
Three reasons why 100G will change your
                                     business:


                                ...
Meet the need to expand capacity




                  Sustained capacity demand is best met through 100G networks
Source:...
Open the Door for New Services
            Enterprise, Government, R&E                                                    ...
Efficient Network Evolution
    Bandwidth thirsty applications will require 10G and 40G IP router interfaces
•

    Transp...
Efficient Network Evolution
• High bandwidth applications fuel demand for Ethernet based networks
• Packet and circuit dat...
Poll Question

                 of the following best describes your network’s fastest data rate?
Which




          10...
Agenda
                                       Practical and Possible:
                                         100G Networ...
Why use optical fiber?
Fiber is light, small and carries more information further




                                    ...
Copper vs. Fiber-optics
  Loss vs. Length and Bandwidth
                                                                  ...
Chromatic Dispersion
 • The propagation of light in a fiber is based on its wavelength
 • At 10Gbps and above, severely li...
Polarization Mode Dispersion




As light moves through fiber, each polarization mode moves with a slightly different
spee...
Fiber plant issues
• Bit-rate upgrades must be compatible with existing infrastructure
• Adding capacity requires an incre...
Modulation techniques
Technique                               Application            Pros/Cons                    Implemen...
Standards activities
    IEEE 802.3 HSSG approved two MAC rates:


         40 GbE and 100GbE
         Preserves 802.3 ...
Agenda
                                       Practical and Possible:
                                         100G Networ...
Ciena CN4200 RS 100G demonstration




    H-Channel
                                                  1 PolDemux
        ...
100G client & line modules




                                       21
© Ciena Confidential and Proprietary
Supercomputing ’08 demonstration
                            1 Petabyte of data transfer in 12hours on 1 wavelength


    ...
Optical capacity timeline
  System Capacity
                                                                              ...
Summary
                                                 Summary

• Why 100G?
     Exponential capacity growth- 100G meet...
Questions??

For information about our next webinar, please visit us on the web:
www.ciena.com/virtualseminarseries




Ch...
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Practical And Possible 100 G Webinar

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Transcript of "Practical And Possible 100 G Webinar"

  1. 1. Practical and Possible 100G Networking Chris Janson March 31, 2009 © Ciena Confidential and Proprietary
  2. 2. Today’s speaker Chris Janson Sr. Product Manager Ciena Communications 2 © Ciena Confidential and Proprietary
  3. 3. Agenda Practical and Possible: 100G Networking  Three reasons for 100G  Making it possible:  Optical fiber issues  Compensation and modulation  Standards  Making it practical  Recent demonstrations  Coming trends and predictions 3 © Ciena Confidential and Proprietary
  4. 4. Agenda Practical and Possible: 100G Networking  Three reasons for 100G  Making it possible:  Optical fiber issues  Compensation and modulation  Standards  Making it practical  Recent demonstrations  Coming trends and predictions 4 © Ciena Confidential and Proprietary
  5. 5. Three reasons why 100G will change your business:  Meet the need to expand capacity  Open the door to new services and applications  Allow efficient network evolution 5 © Ciena Confidential and Proprietary
  6. 6. Meet the need to expand capacity Sustained capacity demand is best met through 100G networks Source: Infonetics OFC/NFOEC 2008, Service Provider Summit, “Next Generation Core Optical Networking Directions”, Chuck 6 © Ciena Confidential and Proprietary Kalmanek, Vice President, Internet and Network Systems Res., AT&T Labs, USA
  7. 7. Open the Door for New Services Enterprise, Government, R&E Consumer Layer 3 VPN Services Mobile Services Residential Services Optical/Wavelength Services Ethernet Services Multimedia/3Play Infrastructure IP/MPLS Infrastructure Ethernet Infrastructure Optical Infrastructure Newer, smarter service challenge the network infrastructure 7 © Ciena Confidential and Proprietary
  8. 8. Efficient Network Evolution Bandwidth thirsty applications will require 10G and 40G IP router interfaces • Transport backbones built on multiple 10G waves are nearing capacity • 8 © Ciena Confidential and Proprietary
  9. 9. Efficient Network Evolution • High bandwidth applications fuel demand for Ethernet based networks • Packet and circuit data rates merge at 10Gb/s Industry rapidly standardizing 100G components • 100G offers best capacity increase and economy of scale 9 © Ciena Confidential and Proprietary
  10. 10. Poll Question of the following best describes your network’s fastest data rate? Which  10G or lower  10G with plans to upgrade to 40G  40G in-service, not certain about future need  40G in-service, immediate need for 100G 10 © Ciena Confidential and Proprietary
  11. 11. Agenda Practical and Possible: 100G Networking  Three reasons for 100G  Making it possible:  Optical fiber issues  Compensation and modulation  Standards  Making it practical  Recent demonstrations  Coming trends and predictions 11 © Ciena Confidential and Proprietary
  12. 12. Why use optical fiber? Fiber is light, small and carries more information further 12 © Ciena Confidential and Proprietary
  13. 13. Copper vs. Fiber-optics Loss vs. Length and Bandwidth Coax Length (ft) Fiber-optic Link Length Micro-coax Utiflex (0 – 10,000 ft) 0 -10 20 -20 50 -30 -40 Gain (dB) 100 -50 -60 -70 -80 200 -90 -100 0.001 0.01 0.1 1 10 Frequency (GHz) 13 © Ciena Confidential and Proprietary
  14. 14. Chromatic Dispersion • The propagation of light in a fiber is based on its wavelength • At 10Gbps and above, severely limits usable distance • Dispersion compensating fiber corrects this • Transmitter design (ie: output laser spectrum) directly affects ability to tolerate chromatic dispersion 14 © Ciena Confidential and Proprietary
  15. 15. Polarization Mode Dispersion As light moves through fiber, each polarization mode moves with a slightly different speed. The receiver will add these two modes together, impairing reception http://www.corning.com/opticalfiber/discovery_center/fiber101/pm_dispersion.aspx 15 © Ciena Confidential and Proprietary
  16. 16. Fiber plant issues • Bit-rate upgrades must be compatible with existing infrastructure • Adding capacity requires an increase in spectral efficiency: 100G must be single wavelength Inverse multiplexing increases • complexity Network engineering becomes • difficult • Many techniques allow higher bit rates over embedded fiber plant 16 © Ciena Confidential and Proprietary
  17. 17. Modulation techniques Technique Application Pros/Cons Implementation Metro reach, ≤10G Non-Return to Zero Simple, low cost/ (NRZ) PMD sensitive, ltd reach Differential Phase Shift Long haul/ Ultra Receiver sensitivity, long haul, ≤ 40G Keying reach / moderate (DPSK) complexity Differential Quadrature Metro, regional, Enables true 100G / Phase Shift Keying <1Km, 40G, 100G vulnerable to PMD (DQPSK) LAN Polarization Regional, long haul, Single wave 100G, 100G Multiplexed DQPSK PMD tolerant / ULH (PM-DQPSK) limited Polarization multiplex transmitter with PM-DQPSK with Long haul/ Ultra Best sensitivity & coherent receiver coherent detection long haul, 100G reach, dispersion (PM-QPSK w/coh. RX) tolerant / complexity 17 © Ciena Confidential and Proprietary
  18. 18. Standards activities IEEE 802.3 HSSG approved two MAC rates:   40 GbE and 100GbE  Preserves 802.3 Ethernet frame  Supports OTN ITU SG15 is investigating rates >40Gbps   Approved extending G.709 OTN to OTU-4 (proposals at 112 and 130 Gbps) OIF   Components industry effort  Photonic integration  FEC for ULH 18 © Ciena Confidential and Proprietary
  19. 19. Agenda Practical and Possible: 100G Networking  Three reasons for 100G  Making it possible:  Optical fiber issues  Compensation and modulation  Standards  Making it practical  Recent demonstrations  Coming trends and predictions 19 © Ciena Confidential and Proprietary
  20. 20. Ciena CN4200 RS 100G demonstration H-Channel 1 PolDemux Module per 112G Transceiver V-Channel 2” Wide with a Client and Line Side PWA per Module 20 © Ciena Confidential and Proprietary
  21. 21. 100G client & line modules 21 © Ciena Confidential and Proprietary
  22. 22. Supercomputing ’08 demonstration 1 Petabyte of data transfer in 12hours on 1 wavelength Single Wavelength 100G @ 50Ghz Spacing ROADM Compliant Asynchronous Multiplexing 10x10G Any 10G Client on Any Port 100G 8dB+ Enhanced FEC Polarization Multiplexed RZ-DQPSK Modulation Format Commercial Form Factor Not Inverse Multiplexing Not 2 x 40G 22 © Ciena Confidential and Proprietary
  23. 23. Optical capacity timeline System Capacity 80x100G (Tbps) 6 5 50% Growth Traffic growing 4 40x100G through 40G per  10G not adequate between 2010-12 3 between 2009-10 30% Growth 2 40x40G 1 80x10G 50chx10G Today 2H08 1H09 2H09 1H10 2H10 1H11 2H11 1H12 2H12 10G  10G Maturity Inefficient Inefficient Inefficient 40G  Introduced 40G Deployed 40G Maturity 100G  Not Available Not Available Introduced 100G Growth Rapid growth is stretching network resources 23 © Ciena Confidential and Proprietary Animated
  24. 24. Summary Summary • Why 100G?  Exponential capacity growth- 100G meets the need  New services challenge the infrastructure- 100G meets the challenge  Need for efficient network evolution- 100G complies • Embedded network presents challenges to 100G upgrade, but:  Fiber impairments can be overcome  Upgrade to 100G is possible without rip/replace  Standards and aggregate demand will drive economies of scale • Recent demonstrations prove viability of 100G networking • 100G will be needed by industry soon-  Demand saturates 10G backbones in 2009-10 and 40G in 2010-12 24 © Ciena Confidential and Proprietary
  25. 25. Questions?? For information about our next webinar, please visit us on the web: www.ciena.com/virtualseminarseries Chris Janson cjanson@ciena.com © Ciena Confidential and Proprietary

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