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 …

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 …

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 …

This paper considers the network protection technique of shared backup path protection
(SBPP) in comparison with 1+ 1 path protection for elastic optical networks. We develop …

This paper addresses the minimum network cost problem for survivable virtual optical
network mapping in flexible bandwidth optical networks. For each virtual link, we provide …

In this article, we address the problem of static routing and spectrum allocation (RSA) in an
elastic optical network (EON) with dedicated path protection (DPP) consideration. We …

Fast recovery and minimum utilization of resources are the two main criteria for determining
the protection scheme quality. We address the problem of providing a hybrid protection …

Network survivability endeavors to ensure the uninterrupted provisioning of services by the
network operators in case of a disaster event. Studies and news reports show that network …

The concept of elasticity has been proposed in the design of next generation optical
networks in tackling the problem of efficient utilization of network resources and increasing …

Two important challenges in designing a survivable optical network are minimizing backup
spectrum allocation and ensuring spectrum assignment constraints. Allocating backup …