A novel channel-based model for the problem of routing, space, and spectrum assignment

Abstract Space-division multiplexing (SDM) is regarded as one of the most promising technologies to satisfy the explosively growing internet traffic. Elastic optical networks with SDM is one of the newest network architectures for network planning in the future. However, the resource allocation problem in these networks becomes more complicated due to the expansion of spatial dimensions. In this paper, we propose a novel channel-based integer linear programming (ILP) model for the problem of routing, space, and spectrum assignment (RSSA) in consideration of space lane change in SDM-EON. To evaluate our model, we make a comparison with the slot-based model [15] via simulation experiments. Different spatial switching granularities are considered in our performance evaluation because they will greatly change the detailed results of allocation. By the numerical results, we find that our novel model has an overwhelming advantage over the previous slot-based one in computing time for the optimization process.

[1]  George N. Rouskas,et al.  On distance-adaptive routing and spectrum assignment in mesh elastic optical networks , 2017, IEEE/OSA Journal of Optical Communications and Networking.

[2]  Qian Wu,et al.  Evaluation of Device Cost, Power Consumption, and Network Performance in Spatially and Spectrally Flexible SDM Optical Networks , 2019, Journal of Lightwave Technology.

[3]  B. Mukherjee,et al.  A Review of Routing and Wavelength Assignment Approaches for Wavelength- Routed Optical WDM Networks , 2000 .

[4]  Mingcong Yang,et al.  Comparison of switching policies in terms of switching cost and network performance in static SDM-EONs , 2020, Opt. Switch. Netw..

[5]  Krzysztof Walkowiak,et al.  Survey of resource allocation schemes and algorithms in spectrally-spatially flexible optical networking , 2018, Opt. Switch. Netw..

[6]  Pablo Pavón-Mariño,et al.  Space continuity constraint in dynamic Flex-Grid/SDM optical core networks: An evaluation with spatial and spectral super-channels , 2018, Comput. Commun..

[7]  S. Spadaro,et al.  Evaluation of core-continuity-constrained ROADMs for flex-grid/MCF optical networks , 2017, IEEE/OSA Journal of Optical Communications and Networking.

[8]  Elio Salvadori,et al.  Resource allocation policies in SDM optical networks (Invited paper) , 2015, 2015 International Conference on Optical Network Design and Modeling (ONDM).

[9]  Qian Wu,et al.  Joint Assignment of Spatial Granularity, Routing, Modulation, and Spectrum in SDM-EONs: Minimizing the Network CAPEX Considering Spectrum, WSS, and Laser Resources , 2018, Journal of Lightwave Technology.

[10]  L. Nelson,et al.  Space-division multiplexing in optical fibres , 2013, Nature Photonics.

[11]  B. Spinnler,et al.  Reach-dependent capacity in optical networks enabled by OFDM , 2009, 2009 Conference on Optical Fiber Communication - incudes post deadline papers.

[12]  Masahiko Jinno,et al.  Spectrum-efficient and scalable elastic optical path network: architecture, benefits, and enabling technologies , 2009, IEEE Communications Magazine.

[13]  Peter J. Winzer,et al.  Complexity analysis of adaptive frequency-domain equalization for MIMO-SDM transmission , 2013 .

[14]  Krzysztof Walkowiak,et al.  On Performance Gains of Flexible Regeneration and Modulation Conversion in Translucent Elastic Optical Networks With Superchannel Transmission , 2016, Journal of Lightwave Technology.

[15]  Marc Ruiz,et al.  Modeling the routing and spectrum allocation problem for flexgrid optical networks , 2012, Photonic Network Communications.

[16]  Roberto Proietti,et al.  3D elastic optical networking in the temporal, spectral, and spatial domains , 2015, IEEE Communications Magazine.

[17]  Ioannis Tomkos,et al.  Impact of Spatial and Spectral Granularity on the Performance of SDM Networks Based on Spatial Superchannel Switching , 2017, Journal of Lightwave Technology.

[18]  Krzysztof Walkowiak,et al.  A heuristic algorithm for routing, spectrum, transceiver and regeneration allocation problem in elastic optical networks , 2016, 2016 18th International Conference on Transparent Optical Networks (ICTON).

[19]  Taiji Sakamoto,et al.  Design of 125 μm cladding multi-core fiber with full-band compatibility to conventional single-mode fiber , 2015, 2015 European Conference on Optical Communication (ECOC).

[20]  Masahiko Jinno,et al.  Distance-adaptive spectrum resource allocation in spectrum-sliced elastic optical path network [Topics in Optical Communications] , 2010, IEEE Communications Magazine.

[21]  Gaoxi Xiao,et al.  Algorithms for allocating wavelength converters in all-optical networks , 1999, TNET.

[22]  Peter J. Winzer,et al.  Spatial multiplexing: The next frontier in network capacity scaling , 2013 .

[23]  Jordi Perelló,et al.  On the scalability of dynamic Flex-Grid/SDM optical core networks , 2018, Comput. Networks.