Abstract

We propose an orthogonal frequency division multiplexing (OFDM) based optical network design focussing on minimizing the total power consumption of the network to make the network green. OFDM is a promising technology for next-generation optical networks to support high capacity and heterogeneity in network traffic by having flexible bandwidth allocation per wavelength. Another paradigm for supporting traffic heterogeneity and high bandwidth demands is mixed-line-rate (MLR) networks where wavelengths can have discrete capacities of 10/40/100 Gbps which are single carrier based.In this study, we compare the energy efficiency of an OFDM-based network versus a MLR network. We formulate mixed integer linear program (MILP) models to design energy-efficient MLR and OFDM-based networks with two scenarios: (1) with fixed average traffic per source-destination pair of the network, and (2) with uncertainties in the traffic that an actual network may have. For scenario (2), we employ a robust optimization technique which is called Γ-robust optimization.Our results show that OFDM outperforms MLR in terms of energy efficiency especially when the traffic in the network takes random peaks in some of the links.

© 2013 IEEE

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  1. A. M. C. A. Koster, M. Kutschka, C. Raack, "Towards robust network design using integer linear programming techniques," Proc., Next Generation Internet, NGI (2010) pp. 1-8.
  2. M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, Y. Sone, S. Matsuoka, "Spectrum-efficient and scalable elastic optical path network: Architecture, benefits, and enabling technologies," IEEE Commun. Mag. 47, 66-73 (2009).
  3. M. Jinno, B. Kozicki, H. Takara, A. Watanabe, Y. Sone, T. Tanaka, A. Hirano, "Distance-adaptive spectrum resource allocation in spectrum-sliced elastic optical path network," IEEE Commun. Mag. 48, 138-145 (2010).
  4. W. Wei, J. Hu, D. Qian, P. Ji, T. Wang, X. Liu, C. Qiao, "PONIARD: A programmable optical networking infrastructure for advanced research and development of future internet," J. Lightw. Technol. 27, 233-242 (2009).
  5. C. Kachris, E. Giacoumidis, I. Tomkos, "Energy-efficiency study of optical OFDM in data centers," Proc., OFC (2011) pp. 1-3.
  6. P. Chowdhury, M. Tornatore, A. Nag, E. Ip, T. Wang, B. mukherjee, "On the design of energy-efcient Mixed-Line-Rate (MLR) optical networks," J. Lightw. Technol. 30, 130-139 (2012).
  7. D. Bertsimas, M. Sim, "Robust discrete optimization and network flows," Math. Programming Ser. B 98, 4971 (2003).
  8. "MPLS, OTN, and the rising tide of traffic: The latest turn in the age-old “packet versus circuit” debate," Juniper Networks White Paper http://www.juniper.net/us/en/local/pdf/whitepapers/2000389-en.pdf.
  9. S. Jansen, I. Morita, K. Forozesh, S. Randel, D. van den Borne, H. Tanaka, "Optical OFDM, a hype or is it for real?," Proc., ECOC (2008) pp. 49-52.
  10. I. Dedic, "High-speed CMOS DSP and data converters," Proc. OFC, 2011 Workshop, Transmission Subsystems and Network Elements .
  11. I. Dedic, "56Gs/s ADC enabling 100GbE," Proc., OFC (2010) pp. 1-3.
  12. R. Bouziane, "Design studies for an ASIC implementation of an optical OFDM transceiver," Proc., ECOC (2010) pp. 1-3.
  13. R. Tucker, "Green optical communications—Part I: Energy limitations in transport," IEEE J. Sel. Topics in Quantum Electron. 17, 245-260 (2011).
  14. F. Idzikowski, “Power Consumption of Network Elements in IP Over WDM Networks,” TU BerlinGermany (2009) Tech. Rep..
  15. Transmode TM-Series Data Sheet http://www.transmode.com/ (2010).
  16. E. Ip, P. Ji, E. Mateo, Y.-K. Huang, L. Xu, D. Qian, N. Bai, T. Wang, "100 G and beyond transmission technologies for evolving optical networks and relevant physical-layer issues," Proc. IEEE 100, 1065-1068 (2012).

2012

P. Chowdhury, M. Tornatore, A. Nag, E. Ip, T. Wang, B. mukherjee, "On the design of energy-efcient Mixed-Line-Rate (MLR) optical networks," J. Lightw. Technol. 30, 130-139 (2012).

E. Ip, P. Ji, E. Mateo, Y.-K. Huang, L. Xu, D. Qian, N. Bai, T. Wang, "100 G and beyond transmission technologies for evolving optical networks and relevant physical-layer issues," Proc. IEEE 100, 1065-1068 (2012).

2011

R. Tucker, "Green optical communications—Part I: Energy limitations in transport," IEEE J. Sel. Topics in Quantum Electron. 17, 245-260 (2011).

2010

M. Jinno, B. Kozicki, H. Takara, A. Watanabe, Y. Sone, T. Tanaka, A. Hirano, "Distance-adaptive spectrum resource allocation in spectrum-sliced elastic optical path network," IEEE Commun. Mag. 48, 138-145 (2010).

2009

W. Wei, J. Hu, D. Qian, P. Ji, T. Wang, X. Liu, C. Qiao, "PONIARD: A programmable optical networking infrastructure for advanced research and development of future internet," J. Lightw. Technol. 27, 233-242 (2009).

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, Y. Sone, S. Matsuoka, "Spectrum-efficient and scalable elastic optical path network: Architecture, benefits, and enabling technologies," IEEE Commun. Mag. 47, 66-73 (2009).

2003

D. Bertsimas, M. Sim, "Robust discrete optimization and network flows," Math. Programming Ser. B 98, 4971 (2003).

IEEE Commun. Mag.

M. Jinno, H. Takara, B. Kozicki, Y. Tsukishima, Y. Sone, S. Matsuoka, "Spectrum-efficient and scalable elastic optical path network: Architecture, benefits, and enabling technologies," IEEE Commun. Mag. 47, 66-73 (2009).

M. Jinno, B. Kozicki, H. Takara, A. Watanabe, Y. Sone, T. Tanaka, A. Hirano, "Distance-adaptive spectrum resource allocation in spectrum-sliced elastic optical path network," IEEE Commun. Mag. 48, 138-145 (2010).

IEEE J. Sel. Topics in Quantum Electron.

R. Tucker, "Green optical communications—Part I: Energy limitations in transport," IEEE J. Sel. Topics in Quantum Electron. 17, 245-260 (2011).

J. Lightw. Technol.

W. Wei, J. Hu, D. Qian, P. Ji, T. Wang, X. Liu, C. Qiao, "PONIARD: A programmable optical networking infrastructure for advanced research and development of future internet," J. Lightw. Technol. 27, 233-242 (2009).

P. Chowdhury, M. Tornatore, A. Nag, E. Ip, T. Wang, B. mukherjee, "On the design of energy-efcient Mixed-Line-Rate (MLR) optical networks," J. Lightw. Technol. 30, 130-139 (2012).

Math. Programming

D. Bertsimas, M. Sim, "Robust discrete optimization and network flows," Math. Programming Ser. B 98, 4971 (2003).

Proc. IEEE

E. Ip, P. Ji, E. Mateo, Y.-K. Huang, L. Xu, D. Qian, N. Bai, T. Wang, "100 G and beyond transmission technologies for evolving optical networks and relevant physical-layer issues," Proc. IEEE 100, 1065-1068 (2012).

Other

A. M. C. A. Koster, M. Kutschka, C. Raack, "Towards robust network design using integer linear programming techniques," Proc., Next Generation Internet, NGI (2010) pp. 1-8.

F. Idzikowski, “Power Consumption of Network Elements in IP Over WDM Networks,” TU BerlinGermany (2009) Tech. Rep..

Transmode TM-Series Data Sheet http://www.transmode.com/ (2010).

"MPLS, OTN, and the rising tide of traffic: The latest turn in the age-old “packet versus circuit” debate," Juniper Networks White Paper http://www.juniper.net/us/en/local/pdf/whitepapers/2000389-en.pdf.

S. Jansen, I. Morita, K. Forozesh, S. Randel, D. van den Borne, H. Tanaka, "Optical OFDM, a hype or is it for real?," Proc., ECOC (2008) pp. 49-52.

I. Dedic, "High-speed CMOS DSP and data converters," Proc. OFC, 2011 Workshop, Transmission Subsystems and Network Elements .

I. Dedic, "56Gs/s ADC enabling 100GbE," Proc., OFC (2010) pp. 1-3.

R. Bouziane, "Design studies for an ASIC implementation of an optical OFDM transceiver," Proc., ECOC (2010) pp. 1-3.

C. Kachris, E. Giacoumidis, I. Tomkos, "Energy-efficiency study of optical OFDM in data centers," Proc., OFC (2011) pp. 1-3.

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