Toward a power-efficient backbone network: The state of research

MN Dharmaweera, R Parthiban… - … Surveys & Tutorials, 2014 - ieeexplore.ieee.org
The year-by-year increase in electricity consumption significantly affects all nations today
from environmental, social, and economic perspectives. Various studies show that, among …

Design of light-tree based optical inter-datacenter networks

R Lin, M Zukerman, G Shen… - Journal of Optical …, 2013 - opg.optica.org
Nowadays, people's daily lives are increasingly dependent on Internet applications provided
by cloud service providers that replicate their content among geographically distributed …

Joint optimization for multicast provisioning in mixed-line-rate optical networks with a column generation approach

F Zhou, M Ju, A Ait-Ouahmed - Journal of Lightwave …, 2017 - ieeexplore.ieee.org
Mixed-line-rate (MLR) optical networks (eg, 10/40/100 Gb/s) offer a new paradigm in
backbone networks to meet the increasing traffic demands. They are considered as a …

Survivable multicast routing and spectrum assignment in light-tree-based elastic optical networks

A Cai, M Zukerman, R Lin, G Shen - Asia Communications and …, 2015 - opg.optica.org
We formulate MILP models and develop efficient heuristic algorithms for survivable multicast
routing and spectrum assignment in light-tree based elastic optical networks considering …

Multicast traffic grooming in tap-and-continue WDM mesh networks

R Lin, WD Zhong, SK Bose… - Journal of Optical …, 2012 - opg.optica.org
Multicast applications are expected to be major drivers of Internet traffic growth. As most
multicast connections require much lower bandwidth than the capacity offered by a …

Multicast dynamic traffic grooming using bin packing method in WDM mesh networks

AK Pradhan, S Singhi, T De - Optical Switching and Networking, 2017 - Elsevier
With the development of multimedia services in Internet technology, there comes a big gap
between bandwidth utilization and the blocking probability for multicast requests in the …

Energy-efficient multicast traffic grooming strategy based on light-tree splitting for elastic optical networks

H Liu, Y Yin, Y Chen - Optical Fiber Technology, 2017 - Elsevier
In order to address the problem of optimizing the spectrum resources and power
consumption in elastic optical networks (EONs), we investigate the potential gains by jointly …

Design of light-tree based multicast traffic grooming in WDM mesh networks

AK Pradhan, S Araiyer, T De - Journal of Optics, 2014 - Springer
In this paper, we design an optimization problem for grooming of multicast traffic requests in
WDM mesh networks. The objective is to minimize the network cost by minimizing the …

An efficient mechanism for dynamic multicast traffic grooming in overlay IP/MPLS over WDM networks

X Yu, G Xiao, TH Cheng - Optical Fiber Technology, 2014 - Elsevier
This paper proposes an efficient overlay multicast provisioning (OMP) mechanism for
dynamic multicast traffic grooming in overlay IP/MPLS over WDM networks. To facilitate …

Multicast protection and grooming scheme in survivable WDM optical networks

AK Pradhan, S Ghose, T De - Optical Switching and Networking, 2016 - Elsevier
Network survivability is an important factor in the design of WDM optical networks. In
dynamic provisioning context, a typical connection request may require bandwidth less than …