… of optical networks. We detail the extensions to both the OpenFlow and the PCE communication
protocol (PCEP), addressing the requirements of elastic optical networks as well as the …

… for flexi-grid optical network … flexi-grid optical networks testbed with 1000 nodes to evaluate
the performance of OpenFlow based control plane for large scale flexi-grid optical networks. …

… Future flexible-grid elastic optical networks are very … to the rigid spectrum grid optical
networks realized with the … system components enabling flexgrid optical networks, such as …

… in packet-switched IP networks as well as wavelength-switched optical networks. For the …
optical networks, we propose an OpenFlow-based control plane in Flexi-Grid optical networks. …

… on the flexi-grid optical networks testbed with commercial optical transport … optical
network mapping in spectrum and modulation format convertible flexible grid optical networks…

… In this section we describe the OFDM optical network assumed in our study. In OFDM, data
is transmitted over multiple orthogonal subcarriers. A bandwidth-variable OFDM transponder …

… Our work in this paper considers the design cost of the VNE in flexi-grid optical networks,
for which exact and heuristic algorithms using column generation are provided. …

… Adaptive flexi-grid optical networks are able to autonomously decide where and when to
dynamically setup, re-optimize and release elastic optical connections, in reaction to network …

In EONs, the establishment of flexi-grid optical connections requires configuring both BVTs
and bandwidth variable cross-connects. Such configuration has to be performed through …

… network resilience, we investigate gains which result from utilization of the flexible elastic
optical networks (… compare the fixed-grid wavelength-switched optical networks (WSONs) and …