A detailed survey of approaches reducing energy consumption of core networks is
presented in this paper. We consider a multilayer architecture, in which the optical layer can …

The year-by-year increase in electricity consumption significantly affects all nations today
from environmental, social, and economic perspectives. Various studies show that, among …

Elastic optical networks are seen as a promising solution to improve spectrum utilization
efficiency by utilizing flex-grid optical orthogonal frequency division multiplexing technology …

Improving the energy efficiency in telecommunication networks has been one of the main
research topics of the past few years. As a result, many energy efficient algorithms have …

With tremendous growth in bandwidth demand, energy consumption problem in elastic
optical networks (EONs) becomes a hot topic with wide concern. The sliceable bandwidth …

The present paper deals with energy saving in IP networks and proposes a distributed
energy-aware traffic engineering solution, named DAISIES, for switching off network links …

To reduce the energy consumption of the Internet, much research effort has been dedicated
to the design of energy-minimized IP over WDM networks. In this study, we design energy …

Green House Gas (GHG) emissions mainly come from the consumption of non-renewable
energy. To reduce GHG emissions of IP over WDM networks, we propose to maximize …

Hitherto, several algorithms have been proposed for routing and wavelength assignment
(RWA) problem on single or multifiber wavelength routed optical network (WRON) with or …

We evaluate and compare the power consumption and the number of required slots
(footprint) of fixed and flexible transport nodes. The node architecture is assumed to …