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 …

Optical networks are undergoing significant changes, fueled by the exponential growth of
traffic due to multimedia services and by the increased uncertainty in predicting the sources …

Optical performance monitoring (OPM) is the estimation and acquisition of different physical
parameters of transmitted signals and various components of an optical network. OPM …

Rigid fixed-grid wavelength division multiplexing (WDM) optical networks can no longer
keep up with the emerging bandwidth-hungry and highly dynamic services in an efficient …

Elastic flexgrid optical networks (FG-ON) are considered a very promising solution for next-
generation optical networks. In this article we focus on lightpath adaptation under variable …

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 …

Elastic optical network (EON) architectures have been recently proposed as a candidate
solution for provisioning of both huge bandwidth and flexible connections in next generation …

A large number of factors generate uncertainty on traffic demands and requirements. In
order to deal with uncertainty optical nodes and networks are equipped with flexibility. In this …

While flexible bandwidth elastic optical networking is a promising direction for future
networks, the spectral fragmentation problem in such a network inevitably raises the …