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 …

Elastic optical networks are prone to spectrum fragmentation, resulting in poor resource
utilization and often higher blocking probability. To overcome the spectrum fragmentation, a …

Elastic optical networks (EONs) facilitate agile spectrum management in the optical layer.
When coupling with software-defined networking, they function as software-defined EONs …

The elastic optical network (EON) benefits from improved spectrum utilization, but also faces
new challenges in resource allocation. The spectrum continuity and contiguity constraints in …

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 spectrum efficiency and the connection blocking in Elastic Optical Networks (EONs)
depend on how well the spectrum is managed by a spectrum allocation (SA) policy …

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

Spectrum fragmentation limits the efficiency of spectrum utilization in elastic optical networks
(EONs). This paper studies how to take advantage of the centralized network control and …

Bandwidth defragmentation, ie, the operation to reconfigure existing connections for making
the spectrum usage less fragmented and less misaligned, has recently been recognized as …

The immense growth of Internet traffic calls for advanced techniques to enable the dynamic
operation of optical networks, efficient use of spectral resources, and automation. In this …