Core networks in the flexgrid era

Journal of Lightwave Technology

Volumn 33, Issue 5, 2015, Pages 1126-1135

  Lord, Andrew ^a   Wright, Paul ^a   Mitra, Abhijit ^b  

^a BRITISH TELECOM   (United Kingdom)

^b INDIAN INSTITUTE OF TECHNOLOGY DELHI   (India)

Author keywords

networks and optical communications.

Indexed keywords

CORE NETWORKS; ELASTIC OPTICAL NETWORKS; FLEXIBLE TECHNOLOGIES; HIGHER NETWORKS; SUPERCHANNEL;

OPTICAL COMMUNICATION;

EID: 84925140270     PISSN: 07338724     EISSN: None     Source Type: Journal    
DOI: 10.1109/JLT.2015.2396685     Document Type: Article

References (34)

1. (2012). Spectral Grids for WDM Applications: DWDM Frequency Grid, ITU-T Rec. G.694.1.
2. G. Bosco, V. Curri, A. Carena, P. Poggiolini, and F. Forghieri, "On the performance of nyquist-WDM terabit superchannels based on PM-BPSK, PM-QPSK, PM-8QAM or PM-16QAM subcarriers, " J. Lightw. Technol., vol. 29, no. 1, pp. 53-61, Jan. 2011.
3. (2014). [online]. Available: http://www.finisar.com/products/wss-roadms
4. Y. Zhou et al., "1.4 Tb real-time alien superchannel transport demonstration over 410 km installed fiber link using software reconfigurable DP-16QAM/QPSK, " presented at the Opt. Fiber Commun. Conf., San Francisco, CA, USA, 2014, Paper Th5A.9.
5. Cisco VNI: Forecast and Methodology, 2013-2018. (2014). [online]. Available: www.cisco.com
6. A. Mitra, P. Wright, and A. Lord, "Effect of link margins and frequency granularity on the performance and modulation format sweet spot of mul tiple flexgrid optical networks, " presented at the Opt. Fiber Commun. Conf., San Francisco, CA, USA, 2014, Paper W3A.6.
7. O.Gerstel, M. Jinno, A. Lord, and S. J. B.Yoo, "Elastic optical networking: A new dawn for the optical layer?" IEEE Commun. Mag., vol. 50, no. 2, pp. s12-s20, Feb. 2012.
8. P. Wright, A. Lord, and S. Nicholas, "Comparison of optical spectrum utilization between flexgrid and fixed grid on a real network topology, " presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, USA, Mar. 2012, Paper OTh3B.5.
9. S.Warr, M. Parker, and R. Mears, "Optically transparent digitally tunable wavelength filter, " Electron. Lett., vol. 31, no. 2, pp. 129-130, Jan. 1995.
10. A. Morea et al., "Impact of reducing channel spacing from 50 GHz to 37.5 GHz in fully transparent meshed networks, " presented at the Opt. Fiber Commun. Conf., San Francisco, CA, USA, 2014, Paper Th1E.4.
11. P. Wright, M. C. Parker, and A. Lord, "Simulation results of Shannon entropy based flexgrid routing and spectrum assignment on a real network topology, " presented at the Eur. Conf. Opt. Commun., London, U.K., Sep. 2013, Paper We.2.E.4.
12. M. Jinno et al., "Demonstration of novel spectrum-efficient elastic optical path network with per-channel variable capacity of 40 Gb/s to over 400 Gb/s, " presented at the Eur. Conf. Opt. Commun., Brussels, Belgium, 2008, Paper Th.3.F.6.
13. M. Varvarigos, "An introduction to routing and wavelength assignment algorithms for fixed and flexgrid, " presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2013, Paper OW1H.4.
14. L. Velasco, A. Castro, M. Ruiz, and G. Junyent, "Solving routing and spectrum allocation related optimization problems: From off-line to inoperation flexgrid network planning, " J. Lightw. Technol., vol. 32, no. 16, pp. 2780-2795, Aug. 2014.
15. J. Auge, "Can we use flexible transponders to reduce margins?" presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2013, Paper OTu2A.1.
16. A. Mitra et al., "Upgrading to low loss ROADMs and additional line amplifiers for increased capacity in EDFA and raman flexgrid networks, " presented at the Eur. Conf. Opt. Commun., Cannes, France, 2014, Paper P.6.13.
17. L.Velasco et al., "Saving CAPEX by extending flexgrid-based core optical networks towards the edges, " J. Opt. Commun. Netw., vol. 5, pp. A171-A183, 2013.
18. M. Ruiz et al., "Planning fixed to flexgrid gradual migration: Drivers and open issues, " IEEE Commun. Mag., vol. 52, no. 1, pp. 70-76, Jan. 2014.
19. Y. Yin et al., "Spectral and spatial 2D fragmentation-aware routing and spectrum assignment algorithms in elastic optical networks, " J. Opt. Commun. Netw., vol. 5, no. 10, pp. A100-A106, 2013.
20. Z. Zhu et al., "OpenFlow-assisted online defragmentation in single/multidomain software-defined elastic optical networks, " J. Opt. Commun. Netw., vol. 7, no. 1, pp. A7-A15, 2015.
21. A. Djamel et al., "Traffic forecast impact on spectrum fragmentation in gridless optical networks, " presented at the Eur. Conf. Opt. Commun., Cannes, France, 2014, Paper Mo.3.1.2.
22. P. Wright et al., "Maximum entropy (MaxEnt) routing and spectrum assignment for flexgrid-based elastic optical networking, " presented at the Opt. Fiber Commun. Conf., San Francisco, CA, USA, 2014, Paper Th4.E.7.
23. P. Wright, M. Parker, and A. Lord, "Minimum-and maximum-entropy (MinEnt & MaxEnt) routing and spectrum assignment for flexgrid elastic optical networking, " J. Opt. Commun. Netw., vol. 7, no. 1, pp. A66-A72 (2015).
24. A. Eira, J. Pedro, J. Pires, and J. Palacios, "CAPEX impact of fixed/flexrate modular line interfaces in multi-period network planning with equipment reuse, " presented at the Eur. Conf. Opt. Commun., Cannes, France, 2014, Paper Mo.3.1.3.
25. M. B. de la Cruz et al., "OpEx savings by reduction of stock of spare parts with sliceable bandwidth variable transponders, " presented at the Opt. Fiber Commun. Conf., San Francisco, CA, USA, 2014, Paper W3A.5.
26. J. Fabrega et al., "Experimental demonstration of elastic optical networking ultilizing time-sliceable bitrate variable OFDM transceiver, " presented at the Opt. Fiber Commun. Conf., San Francisco, CA, USA, 2014, Paper Tu2G.8.
27. N. Sambo et al., "Next generation sliceable bandwidth variable transponder, " IEEE Commun. Mag., Feb. 2015.
28. N. Amaya, G. Zervas, and D. Simeonidou, "Introducing node architecture flexibility for elastic optical networks, " J. Opt. Commun Netw., vol. 5, no. 6, pp. 593-608, 2013.
29. R. Munoz, R. Casellas, R. Martinez, and R. Vilalta, "Control plane solutions for dynamic and adaptive flexi-grid optical networks, " presented at the Eur. Conf. Opt. Commun., London, U.K., 2013, Paper We.3.E.1.
30. R. Casellas, R. Munoz, R. Martinez, and R. Vilalta, "SDN based provisioning orchestration of openflow/GMPLS flexi-grid networks with a stateful hierarchical PCE, " presented at the Opt. Fiber Commun. Conf., San Francisco, CA, USA, 2014, Paper Th3I.2.
31. L. Gifre et al., "First experimental assessment of ABNO-driven inoperation flexgrid network re-optimization, " J. Lightw. Technol., accepted for publication.
32. M. Channegowda et al., "First demonstration of an openflow based software-defined network employing packet, fixed and flexible DWDM grid technologies on an international multi-domain testbed, " presented at the Eur. Conf. Opt. Commun., Amsterdam, Netherlands, 2012, Paper Th.3.D.2.
33. S. Zhi-shu et al., "A novel semi-flexible grid optical path network that utilizes aligned frequency slot arrangement, " presented at the Eur. Conf. Opt. Commun., London, U.K., 2013, Paper We.2.E.2.
34. M. Pioro et al., "Elastic multi-layer resilient IP-over-flexgrid networking: Detailed cost analysis and bandwidth-variable transponders, " presented at the Int. Conf. Transp. Opt. Netw., Graz, Austria, 2014, Paper Tu.A1.5.