Practical methods for allocating and assessing resources in flexgrid networks

H Chouman, L Alahdab, R Colares… - Journal of Optical …, 2023‏ - opg.optica.org
This paper focuses on quantifying the efficiency of different methods used to allocate
resources in flexgrid optical networks. These methods are based on a recently proposed …

Traffic forecast impact on spectrum fragmentation in gridless optical networks

D Amar, E Le Rouzic, N Brochier… - 2014 The European …, 2014‏ - ieeexplore.ieee.org
Gridless Technology increases the spectral efficiency of optical fiber transmissions,
introducing however spectrum fragmentation. In this work, we show that traffic forecast …

Performance assessment and modeling of flexible optical networks

D Amar - 2016‏ - hal.science
With the exponential growth of traffic driven by video and Internet services, WDM systems
evolve regularly to increase optical fiber capacity. To meet the relentless need for capacity …

Optical power control in GMPLS control plane

M Kanj, E Le Rouzic, J Meuric, B Cousin… - Journal of optical …, 2016‏ - opg.optica.org
The exponential traffic growth in optical networks has triggered the evolution from fixed-grid
to flex-grid technology. This evolution allows better spectral efficiency and spectrum usage …

Optical power control to efficiently handle flex-grid spectrum gain over existing fixed-grid network infrastructures

M Kanj, E Le Rouzic, D Amar, JL Auge… - 2016 International …, 2016‏ - ieeexplore.ieee.org
The exponential traffic growth in optical networks has triggered the evolution from Fixed-Grid
to Flex-Grid technology. This evolution allows better spectral efficiency and spectrum usage …

Impact of RSA optimization objectives on optical network state

H Chouman, A Gravey, P Gravey, Y Hadhbi, H Kerivin… - 2021‏ - uca.hal.science
This paper focuses on off-line dimensioning offlexgrid networks. As any operator wishes to
satisfy all trafficdemands characterized by a traffic matrix, considering blockingas an …

[PDF][PDF] Assessing the health of flexgrid optical networks

H Chouman, A Luay, R Colares, A Gravey, P Gravey… - 2020‏ - hal.science
This paper focuses on quantifying the efficiency of an off-line dimensioning process for
flexgrid optical networks. We assume that a network operator attempts to optimize the …

On the legacy amplifier limitation in flexgrid optical networks

D Amar, M Kanj, JL Auge, N Brochier… - … on Photonics in …, 2015‏ - ieeexplore.ieee.org
Flexgrid technology is an interesting solution to improve network capacity. However, for a
given spectral band, it gives rise to the increase of the number of channels, requiring more …

Spectrum utilization maximization in coarse granular optical routing networks that employ fine granular shared protection

T Ishikawa, Y Mori, H Hasegawa… - 2016 12th International …, 2016‏ - ieeexplore.ieee.org
To offset the impairment caused by imperfect optical filtering at ROADMs/OXCs, guard
bands must be inserted between optical channels. The resulting degradation in frequency …

Impact of optical flexibility and sub-band switching on multi-layer transport network architectures

C Betoule, G Thouenon, E Pincemin… - 2014 16th …, 2014‏ - ieeexplore.ieee.org
We present how it is possible to still increase the global capacity of the currently deployed
100 Gbps based multi-layer transport networks thanks to the introduction of the sub …