Energy-aware virtual network embedding in flexi-grid optical networks

Rongping Lin; Shan Luo; Haoran Wang; Sheng Wang; Bin Chen

doi:10.1117/12.2295158

10 January 2018 Energy-aware virtual network embedding in flexi-grid optical networks

Rongping Lin, Shan Luo, Haoran Wang, Sheng Wang, Bin Chen

Proceedings Volume 10617, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing; 106170E (2018) https://doi.org/10.1117/12.2295158
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China

Abstract

Virtual network embedding (VNE) problem is to map multiple heterogeneous virtual networks (VN) on a shared substrate network, which mitigate the ossification of the substrate network. Meanwhile, energy efficiency has been widely considered in the network design. In this paper, we aim to solve the energy-aware VNE problem in flexi-grid optical networks. We provide an integer linear programming (ILP) formulation to minimize the power increment of each arriving VN request. We also propose a polynomial-time heuristic algorithm where virtual links are embedded sequentially to keep a reasonable acceptance ratio and maintain a low energy consumption. Numerical results show the functionality of the heuristic algorithm in a 24-node network.

Citation Download Citation

Rongping Lin, Shan Luo, Haoran Wang, Sheng Wang, and Bin Chen "Energy-aware virtual network embedding in flexi-grid optical networks", Proc. SPIE 10617, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, 106170E (10 January 2018); https://doi.org/10.1117/12.2295158

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