Software-based burst mode reception implementation for time-domain wavelength interleaved networks

Sadeghioon, Lida; Gavignet, Paulette; Alaiwan, Vincent; Bramerie, Laurent; Rouzic, Esther Le; Barbey, Jean-Luc; Guillossou, Thierry; Borgne, Eric; Lobo, Sébastien

doi:10.1109/ecoc.2015.7341872

Cited by 5 publications

(4 citation statements)

References 5 publications

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“…To perform the routing of lightpaths, we consider two routing algorithms, i) Shortest-Path (SP) routing, which, for each demand, utilizes the path with minimum distance in kilometers, i.e., corresponding to minimizing the fiber propagation loss 3 , and ii) Minimal-Loss (ML) routing, which routes a lightpath on the path with the minimum loss on the end-to-end path, i.e., the sum of node losses and propagation losses minus the sum of the gain of OAs in the path. Fig.…”

Section: ) Routing and Spectrum Allocationmentioning

confidence: 99%

“…This capacity increase must be guaranteed while keeping capital expenditures (Capex) and operational expenditure (Opex) under control. Several cost-effective solutions such as, e.g., filterless networking [1][2] and wavelength-interleaved networks [3], are being investigated to replace costly state-of-the-art wavelengthswitched architectures in metro. These solutions, however, are still under investigation, and cannot be used to satisfy the current need to reduce costs in the medium-short term.…”

Section: Introductionmentioning

confidence: 99%

“…Considering that the two lightpaths have different first spans, their launch power is slightly different and dependent on the span characteristics, as per LOGO principle 3. Note that this holds as we assume that all the fibers in the network have the same attenuation coefficient (0.25 dB/km).…”

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confidence: 99%

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Minimum-Cost Optical Amplifier Placement in Metro Networks

Ibrahimi

Ayoub

Musumeci

et al. 2020

J. Lightwave Technol.

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Emerging 5G services are revolutionizing the way operators manage and optimize their optical metro networks, and the metro network design process must be rethought accordingly. In particular, minimizing network cost is crucial to curb operators' investment. Taking advantage of relatively-short distances in metro networks, operators have the opportunity to optimize the placement of optical amplifiers (OAs) with the goal of minimizing amplifiers' cost (and hence decrease network cost) without significantly affecting the quality of transmitted optical signals. Minimizing OA cost translates not only in minimizing the cost of equipment (i.e., boosters, pre-amplifiers and inline amplifiers), but also in minimizing deployment and maintenance costs of active amplifier sites. In this paper, we propose a heuristic algorithm for OA placement and for the Routing and Spectrum Assignment (RSA) in metro networks, with the objective of minimizing the total cost of OAs while guaranteeing sufficient optical signal-to-noise ratio (OSNR) of established lightpaths. In our approach, we consider different cost for the deployed OAs, according to their location and type, i.e., inline amplifiers (ILAs), boosters and pre-amplifiers, and compare our optimized placement against benchmark strategies where OAs are predeployed at network nodes and at a fixed distance one from the other along optical fiber links. We also evaluate the impact of different routing strategies on the total cost and utilized spectrum. Simulative results, performed over realistic metro network topologies, show that our strategy provides up to 47% OAs cost savings while satisfying minimum OSNR constraints.

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Section: ) Routing and Spectrum Allocationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Minimum-Cost Optical Amplifier Placement in Metro Networks

Ibrahimi

Ayoub

Musumeci

et al. 2020

J. Lightwave Technol.

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“…Network operators are hence urged to devise new technical solutions to increase MANs' capacity while keeping network cost under control, both in terms of capital expenditures (Capex) and operational expenditure (Opex). Several cost-effective MAN architectures are being investigated, as, e.g., those based on optical packet switching [1], time-domain wavelength interleaved networks [2], or "filterless" networks where active switching devices (e.g., wavelength selective switches) are replaced with passive devices, e.g., optical splitters and combiners [3]. However, deployment of these advanced MAN architectures presents several technical challenges for operators in the shortmedium term.…”

Section: Introductionmentioning

confidence: 99%

Routing and Spectrum Allocation with Amplifier Placement in Elastic Metro-Aggregation Networks

Ayoub¹,

Ibrahimi²,

Musumeci³

et al. 2019

45th European Conference on Optical Communication (ECOC 2019)

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Recent advances in optical and hybrid packet switching

Ware¹,

Samoud²,

Gravey³

et al. 2016

2016 18th International Conference on Transparent Optical Networks (ICTON)

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International audienceThe future of Internet depends on meeting ever-increasing capacity needs while curbing the energy consumption's uncontrolled growth in data networks, especially in switching. Optics has a tremendous potential to solve these challenges, but the lack of practical optical buffers leaves optical packet switches vulnerable to contention, hindering their use even at moderate network loads. Recent developments in optical switching devices (InP- and silicon-based), hybrid packet switching (using electronic buffers in optical switches) and network architectures (where upper layers could tolerate some loss in the optical packet layer) show a possibility that optical packet switches are poised to make a comeback in practical network

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Software-based burst mode reception implementation for time-domain wavelength interleaved networks

Cited by 5 publications

References 5 publications

Minimum-Cost Optical Amplifier Placement in Metro Networks

Minimum-Cost Optical Amplifier Placement in Metro Networks

Routing and Spectrum Allocation with Amplifier Placement in Elastic Metro-Aggregation Networks

Recent advances in optical and hybrid packet switching

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