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Long haul 10G Ethernet

Long haul 10G Ethernet. Dark fiber tests in Denmark Presented by Mikkel Olesen, CERN. Part of the IST ESTA project (Ethernet Switching at 10G and Above) Project members COM institute at Technical University of Denmark CERN in Geneva BATM in Israel. Agenda. Goals

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Long haul 10G Ethernet

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  1. Long haul 10G Ethernet Dark fiber tests in Denmark Presented by Mikkel Olesen, CERN

  2. Part of the IST ESTA project (Ethernet Switching at 10G and Above) • Project members • COM institute at Technical University of Denmark • CERN in Geneva • BATM in Israel

  3. Agenda • Goals • DAREnet dark fibers in Denmark • Equipment • Lab experiments at COM/DTU • Field tests, used setup’s and results • Conclusion • Future work and use • Questions? Long haul 10G Ethernet

  4. Goals • Examine the possibility to use standard 10G Ethernet LAN equipment for long-haul WAN transmission • Using DAREnet’s 250km SMF link between Odense and Lyngby • If possible find a setup that has a BER below 1E-12 which is the 802.3ae objective • Use standard NIC’s and aggregating switch's to verify link with real Ethernet traffic • Measure the setup’s power penalty Long haul 10G Ethernet

  5. DAREnet fiber in Denmark • The 252 km of standard SMF dark fiber between Odense and Lyngby • Includes three points for possible amplification, filtering etc. in Nyborg, Næstved and Taastrup Long haul 10G Ethernet

  6. Equipment • BATM T6 switch • Including 10G Uplink module developed at CERN as part of ESTA • Optillion TOP 5010-SC Xenpak transceiver • 1550 nm optics with maximum reach of 40 km • Includes IEEE802.3-2000 PMD BIST capability for BER measurements • Optical amp’s and filters Long haul 10G Ethernet

  7. COM lab setup Long haul 10G Ethernet

  8. Field tests - 1 • Setup using pre-amp at receiver • 4 amp’s in total per link • 3 x 80 km DCF (Dispersion Compensating Fiber) • Achieved BER <1E-15 ! • Limited by time shortage Long haul 10G Ethernet

  9. BER curves Long haul 10G Ethernet

  10. Field tests - 2 • Setup without using pre-amp at receiver • 3 amp’s in total per link • 3 x 80 km DCF • Achieved BER <1E-12 • Shortage of time limited the experiments on this setup, BER could likely be improved Long haul 10G Ethernet

  11. Picture - Lyngby PC Filter and attenuator DCF Amp’s Xenpak Long haul 10G Ethernet

  12. Picture – Næstved and Odense Long haul 10G Ethernet

  13. Conclusion • Successfully used standard 10G Ethernet LAN equipment to transmit over 250km of SMF dark fiber (including optical amplification and DCF) • Setup meets 802.3ae objective with a BER of 1E-12, best result is below 1E-15 • Transmitted full-duplex 8 Gb/s real Ethernet traffic using 16 x 1 Gb/s NIC’s and aggregating switch's • Measured setup power penalty at 1E-12 to be 2.5 dB Long haul 10G Ethernet

  14. Conclusion – cond. • The successful results prove the possibility to use low-priced Ethernet LAN equipment for long-haul connections Long haul 10G Ethernet

  15. Future work and use • Initial tests show the possibility to extend the reach even further • Experiments could for example make use of the dark fibers continuing to Århus and Aalborg • A 10 Gb/s link between SDU in Odense and DTU in Lyngby could for example be valuable as a GRID-to-GRID connection Long haul 10G Ethernet

  16. Questions? Long haul 10G Ethernet

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