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 networking (EON) with space-division multiplexing (SDM) is the only evident
long-term solution to the capacity needs of the future networks. The introduction of space via …

In this paper, we present a dynamic energy efficient routing and spectrum assignment
algorithm with regenerator placement (RP) capability for elastic optical networks. In this …

Protection is a key issue in optical networks, mainly in spacial division multiplexing (SDM)
elastic optical networks (EONs) as these handle the increasing amount of heterogeneous …

Fast recovery and minimum utilization of resources are the two main criteria for determining
the protection scheme quality. We address the problem of providing a hybrid protection …

In this paper, we present an energy-efficient manycast routing and spectrum assignment
(EEM-RSA) algorithm in elastic optical networks supporting cloud computing applications …

Currently, the need for “greener” telecommunication networks is stimulating research efforts
to find new solutions to cope with power consumption and sustainability issues. Exploiting …

The paper presents a novel method based on the standard tabu search (TS) approach,
dedicated to solve the routing, modulation and spectrum allocation (RMSA) problem in …

Cloud based applications and services require high performance and strong reliability
provided by data center networks. To overcome the problem of traditional tree based data …