Today's telecommunication networks have become sources of enormous amounts of widely
heterogeneous data. This information can be retrieved from network traffic traces, network …

In fifth generation wireless networks, the escalating teletraffic and energy consumption has
necessitated the development of green communication techniques in order to further …

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 …

The emerging software defined networking (SDN) paradigm separates the data plane from
the control plane and centralizes network control in an SDN controller. Applications interact …

Index modulation has become a promising technique in the context of orthogonal frequency
division multiplexing (OFDM), whereby the specific activation of the frequency domain …

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

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 …

In recent years, OFDM has been the focus of extensive research efforts in optical
transmission and networking, initially as a means to overcome physical impairments in …

With the growth of Internet users' traffic demands, the efficient and cost-effective usage of
bandwidth and spectrum in optical networks plays an important role in improving service …

Paradoxically, with an ever-increasing traffic demand, today transport-network operators
experience a progressive erosion of their margins. The alarms of change are set, and …