The unprecedented growth of the global Internet traffic, coupled with the large spatio-
temporal fluctuations that create, to some extent, predictable tidal traffic conditions, are …

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 …

The growing popularity of high-speed mobile communications, cloud computing, and the
Internet of Things (IoT) has reinforced the tidal traffic phenomenon, which induces spatio …

Energy consumption has become a limiting factor for deploying large-scale distributed
infrastructures. This work 1 seeks to improve the energy efficiency of backbone networks by …

Energy consumption and energy efficiency of telecommunication networks are important for
network operators regarding both, cost and sustainability aspects. Among several options …

The power consumption in Information and Communication Technologies networks is
growing year by year; this growth presents challenges from technical, economic, and …

Energy saving in telecommunications networks has become a well established topic in the
research community. We look at the electrical and optical layers of IP-over-WDM networks …

Flex-rate transmission is seen as a core element in the realization of programmable
backbone networks. The ability to adjust the channel bit rate in response to traffic changes in …

Virtual topology reconfiguration addresses the issue of overprovisioning in IP-over-WDM
optical backbone networks. Contrary to maintaining a static virtual topology, adapting the …