Conference paper Open Access

An Application-aware SDN Controller for Hybrid Optical-electrical DC Networks

Landi, Giada; Capitani, Marco; Gallico, Domenico; Biancani, Matteo; Christodoulopoulos, Kostas; Aziz, Muzzamil

The adoption of optical switching technologies in Data Centre Networks (DCNs) offers a solution for high speed traffic and energy efficiency in Data Centre (DC) operational management, enabling an easy scaling of DC infrastructures. Flexible, slotted allocation of optical resources is fundamental to efficiently support the dynamicity of DC traffic. In this context, the NEPHELE project proposes a Time Division Multiple Access approach for optical resource allocation, orchestrated through a Software Defined Networking controller which coordinates the DCN configuration based on real-time cloud  application requests.

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