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100 GbE Network implementations, challenges and testing Joerg Packeiser Director Product Line Management Optical Transport JDSU Communications Test & Measurement.

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Presentation on theme: "100 GbE Network implementations, challenges and testing Joerg Packeiser Director Product Line Management Optical Transport JDSU Communications Test & Measurement."— Presentation transcript:

1 100 GbE Network implementations, challenges and testing Joerg Packeiser Director Product Line Management Optical Transport JDSU Communications Test & Measurement Optical Expo 2007, Dallas

2 © 2007 JDSU. All rights reserved GbE Ethernet Activities Data center Metro/Core Ethernet Transport : Aggregate Bandwidth >> 100Gbit/s  Multi-Lane Connections  100 Gbit/s per Wavelength Short Range 100Gbit/s per port CPE: No 100Gbit/s NICs before 2015 IEEE HSSG Focus HOT ! Investigation Cool 4x25G CWDM HOT ! nx100G DWDM <40km

3 © 2007 JDSU. All rights reserved.3 100GbE is not always 100Gbit/s Serial 100GbE MAC Data Centers Short Reach <100m MMF or <10m Copper Campus Networks Intermediate Reach 10km SMF Metro Long Reach 10-40km 10x10G 10x10G MMF 10x10G 5x20G 4x25G 4x25G Long Haul Serial 100G ODU2-11v ODU3-3v ODU4 Current Focus of IEEE HSSG Approaches: optimized for area of implementation 100GbE MAC with 64/66 coding => 103Gbps of data

4 © 2007 JDSU. All rights reserved.JDSU CONFIDENTIAL & PROPRIETARY INFORMATION4 100 GbE Challenges Technology: New modulation formats with high spectral efficiency (Duobinary Code, DQPSK,…) Compatibility with currently-installed optical line equipment (DWDM Grid, EDFAs, etc.) Compensation of transmission impairments (Noise, CD, PMD,…) Cost of 100GbE transceivers Processing of 100Gbit/s data streams ─ Algorithms for parallel processing ─ Standardized Interfaces between functional blocks, (cf. SFI-5 Interface, defined by IF for 40Gbit/s) ─ Backplanes Common network structure for Ethernet and Transport (telecom & data) Networks:

5 © 2007 JDSU. All rights reserved.5 How does Ethernet scale for Transport? OC-3155M OC-12622M OC-482.5G OC-19210G OC-76840G OTU-12.7G OTU-210.7G OTU-343G 100ME 1GbE 10GbE 100GbE Bitrate  SONET/SDH/OTN scales by factor of 4 (2.5G, 10G, …)  Ethernet scales by factor of 10 (100ME, 1GE, …)  100GbE: opportunity to combine both worlds SONET/SDH OTN Ethernet x10x4 OTN Overclock 11.1G 44.4G ? x4

6 © 2007 JDSU. All rights reserved.JDSU CONFIDENTIAL & PROPRIETARY INFORMATION6 Modulation formats for long haul transport  Long haul transport of 100G serial will require multi-level modulation (X bits per symbol) to run over existing long-haul networks e.g. POLMUX QPSK 25G elec. QPSK 20G elec. RZ/NRZ 40G elec. RZ/NRZ 10G elec. bit/symbol Data Rate (Gbps) RZ/NRZ 100G elec. QPSK 50G elec.

7 © 2007 JDSU. All rights reserved.7 Options for Ethernet Transport (Example) CPE Device NE 3 NE 4 NE 1NE 2 4 Lane 10km PMD Ethernet UNI Service Demarcation Point 10 Lane 100m PMD Physical layer aggregation vs. modulation schemes ODU2-11v Gbit/s x11 aggregation ODU3-3v 40Gbit/s x 3 aggregation (+modulation) ODU4 Serial I/F 110…130 Gbit/s modulation critical factors: time to market, link managment

8 © 2007 JDSU. All rights reserved.JDSU CONFIDENTIAL & PROPRIETARY INFORMATION8 100G Test Applications – What’s different? Test requirementsCompare to 10GbE  100GbE MAC/PCS Layer TestsAs 10GbE –Frame /Block Generation / Analysis  100GbE End-to-End QoSAs 10GbE –Ethernet Frame Transmission –Ethernet OAM Functions  100GbE /OTN Interworking Not standardized for 10GbE  100Gbit/s Interface/Signal Quality New standards - Stressed Eye/Jitter/Eye diagramt.b.d.  Transmission Impairments New, dependent on implementation

9 © 2007 JDSU. All rights reserved.9 JDUS T&M Technical Approach  Cooperation with Component and System Manufacturers –Front ends –Fast digital circuits –Hooks“ for measurement applications in 100GbE components  Participation in Research Programs –Packet100 (planned)  Active Participation in Standardization –Tracking interface definition and system specification –Definition and standardization of measurement methods and instruments


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