Fragmentation problems and management approaches in elastic optical networks: A survey
Bandwidth fragmentation, a serious issue in elastic optical networks (EONs), can be
suppressed by proper management in order to enhance the accommodated traffic demands …
suppressed by proper management in order to enhance the accommodated traffic demands …
Push-pull defragmentation without traffic disruption in flexible grid optical networks
In flexi-grid optical networks, fragmentation of spectrum resources may significantly affect the
overall network efficiency. Effective techniques for defragmentation (ie, re-optimization) are …
overall network efficiency. Effective techniques for defragmentation (ie, re-optimization) are …
Recent research progress on spectrum management approaches in software-defined elastic optical networks
The flex-grid technology or elastic optical network (EON) is accepted to be a propitious
solution for the future transport network due to its unique properties, which are bandwidth …
solution for the future transport network due to its unique properties, which are bandwidth …
[图书][B] Elastic optical networks: fundamentals, design, control, and management
B Chatterjee, E Oki - 2020 - taylorfrancis.com
The rapid growth in communications and internet has changed our way of life, and our
requirement for communication bandwidth. Optical networks can enable us to meet the …
requirement for communication bandwidth. Optical networks can enable us to meet the …
Time-varying spectrum allocation policies and blocking analysis in flexible optical networks
K Christodoulopoulos, I Tomkos… - IEEE Journal on …, 2012 - ieeexplore.ieee.org
We consider the problem of serving traffic in a spectrum-flexible optical network, where the
spectrum allocated to an end-to-end connection can change so as to adapt to the time …
spectrum allocated to an end-to-end connection can change so as to adapt to the time …
Virtualization in optical networks from network level to hardware level
M Jinno, H Takara, K Yonenaga… - Journal of Optical …, 2013 - opg.optica.org
Elastic optical networking is attracting much attention as a promising solution to achieve
spectrum-efficient transport of higher data rates at 100 Gbits/s and beyond. If we draw an …
spectrum-efficient transport of higher data rates at 100 Gbits/s and beyond. If we draw an …
Using spectrum fragmentation to better allocate time-varying connections in elastic optical networks
Elastic optical network (EON) technology arises as a promising solution for future high-
speed optical transport, since it can provide superior flexibility and scalability in the spectrum …
speed optical transport, since it can provide superior flexibility and scalability in the spectrum …
Active PCE demonstration performing elastic operations and hitless defragmentation in flexible grid optical networks
Control and data plane innovations are driving the evolution of flexible grid optical networks
enabling more granular reservation of spectrum portion. On the one hand, the path …
enabling more granular reservation of spectrum portion. On the one hand, the path …
Benefits and requirements of flexible-grid ROADMs and networks
SL Woodward, MD Feuer - Journal of Optical Communications and …, 2013 - opg.optica.org
Due to claims of enhanced spectral efficiency and the ability to accommodate future
modulation formats, flexible-grid networks in which the center wavelength and passband …
modulation formats, flexible-grid networks in which the center wavelength and passband …
A spectrum defragmentation strategy for service differentiation consideration in elastic optical networks
The spectrum fragmentation problem remains to be an open issue in elastic optical
networks. In addition, the quality of service cannot be ignored during the transmission …
networks. In addition, the quality of service cannot be ignored during the transmission …