Due to claims of enhanced spectral efficiency and the ability to accommodate future
modulation formats, flexible-grid networks in which the center wavelength and passband …

Flexible optical networks appear as the most prevalent candidates for next-generation core
transport networks. The transition from a fixed to a flexible frequency grid calls for novel …

The hierarchical path computation element (H-PCE) architecture has been proposed to
perform effective end-to-end path computation in multidomain elastic optical networks …

Flexgrid optical networking relies on spectrum defragmentation to groom channel
wavelengths and improve spectral efficiency. Various defragmentation methods—hop, make …

Spectrum defragmentation can improve spectrum utilization for an elastic optical network
(EON). However, most of the existing studies have focused on defragmentation for working …

As traffic demands become more uncertain and newer services continuously arise, novel
network elements are needed to provide more flexibility, scalability, resilience and …

Multiflow bandwidth variable transponders supporting sliceability enable effective use of
node and spectrum resources in elastic optical networks (EONs). Specifically, such …

This paper proposes a new networking paradigm introducing the broker-plane above the
management planes of Autonomous Systems (ASes). The brokers communicate with the …

Future high-performance network-based applications are delivered over the high-capacity
dynamic optical network. Each of these applications requires dedicated network service …

Flexible grid optical networks are emerging as an appealing solution for future high-speed
optical transport because they can provide superior flexibility and scalability and cope with …