Assis, KDR and Almeida, RC and Reed, MJ and Santos, AF and Dinarte, HA and Chaves, DAR and Li, H and Yan, S and Nejabati, R and Simeonidou, D (2023) Protection by diversity in elastic optical networks subject to single link failure. Optical Fiber Technology, 75. p. 103208. DOI https://doi.org/10.1016/j.yofte.2022.103208
Assis, KDR and Almeida, RC and Reed, MJ and Santos, AF and Dinarte, HA and Chaves, DAR and Li, H and Yan, S and Nejabati, R and Simeonidou, D (2023) Protection by diversity in elastic optical networks subject to single link failure. Optical Fiber Technology, 75. p. 103208. DOI https://doi.org/10.1016/j.yofte.2022.103208
Assis, KDR and Almeida, RC and Reed, MJ and Santos, AF and Dinarte, HA and Chaves, DAR and Li, H and Yan, S and Nejabati, R and Simeonidou, D (2023) Protection by diversity in elastic optical networks subject to single link failure. Optical Fiber Technology, 75. p. 103208. DOI https://doi.org/10.1016/j.yofte.2022.103208
Abstract
Among the multipath protection schemes found in the literature, the Partitioning Dedicated Path Protection — PDPP proposes to divide the total transmission rate required by the connection in equal parts, and then proceed the transmission of each part using multiple disjoint paths. Nevertheless, it is also possible to partition the transmission rate unequally among paths, enabling benefits to network performance. This article proposes a mixed-integer linear programming (MILP) formulation to find an optimized unequally partitioning of connections’ transmission rate among multiple disjoint paths, in order to provide dedicated protection and reduction in maximum number of slots on network and average bandwidth squeezing. The solution is analysed over a number of realistic networks, showing that the proposed formulation significantly reduces the spectral usage compared to traditional protection mechanisms and reduces the amount of squeezing required compared to the former PDPP approach.
Item Type: | Article |
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Uncontrolled Keywords: | Elastic Optical Networking; Protection; Routing and spectrum assignment |
Divisions: | Faculty of Science and Health Faculty of Science and Health > Computer Science and Electronic Engineering, School of |
SWORD Depositor: | Unnamed user with email elements@essex.ac.uk |
Depositing User: | Unnamed user with email elements@essex.ac.uk |
Date Deposited: | 09 Jan 2023 15:17 |
Last Modified: | 16 May 2024 21:39 |
URI: | http://repository.essex.ac.uk/id/eprint/34521 |
Available files
Filename: YOFTE_103208.pdf
Licence: Creative Commons: Attribution-Noncommercial-No Derivative Works 3.0