Flexgrid technology is now considered to be a promising solution for future high-speed
network design. In this context, we need a tutorial that covers the key aspects of elastic …

Bandwidth fragmentation, a serious issue in elastic optical networks (EONs), can be
suppressed by proper management in order to enhance the accommodated traffic demands …

This article discusses the technologies for realizing highly efficient data migration and
backup for big data applications in elastic optical inter-data-center (inter-DC) networks. We …

Elastic optical networks (EONs) enable network operators to have agile bandwidth
management in the optical layer. In this paper, we investigate dynamic and adaptive …

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 …

With its agile spectrum management in the optical layer, the flexible-grid elastic optical
network can become a promising physical infrastructure to efficiently support the highly …

Hitless defragmentation has been introduced as an approach to limit the spectrum
fragmentation in elastic optical networks without traffic disruption. It facilitates the …

Flexible-grid elastic optical networks (EONs) have attracted intensive research interests for
the agile spectrum management in the optical layer. Meanwhile, due to the relatively small …

In elastic optical networks (EONs), a major obstacle to using the spectrum resources
efficiently is the spectrum fragmentation. In the literature, several defragmentation …

In elastic optical networks (EONs), bandwidth fragmentation refers to the existence of non-
aligned and noncontiguous subcarrier slots (unused) in the set of all subcarrier slots. Since …