Marcel Caria

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Load adaptive energy saving schemes for backbone IP networks use dynamic transport circuit services to adapt the active network resources to the current traffic demand in order to reduce the network's energy consumption. Recently, several approaches, categorized as Switch-off schemes, have been proposed which attempt to reduce the energy consumption of(More)
The ICT and network services economy has exhibited large growth rates with global IP traffic expected to reach 64 exabytes per month in 2014. In addition to operational challenges in managing this traffic load, it is widely recognized that new energy saving approaches will be critical to the ICT sector for sustaining growth. In this paper, we use the(More)
Software Defined Networking (SDN) is an emerging network control paradigm focused on logical centralization and programmability. At the same time, distributed routing protocols, most notably OSPF and IS-IS, are still prevalent in IP networks, as they provide shortest path routing, fast topological convergence after network failures, and, perhaps most(More)
The evolution of next generation services has led to significant increase in Internet backbone traffic, and multi-layer (hybrid) IP over circuit/optical layer solutions are being explored to cope up with the growing demands for capacity. Optical circuit bypass is typically used to increase capacity in the IP layer without need for over-provisioning, which(More)