Enabling Technologies for Programmable and Software-Defined Networks: Bolstering the Path Towards 6G
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Although the complete scope of the sixth generation of mobile technologies (6G) is still unclear, the prominence of the Internet of Things (IoT) and Artificial Intelligence (AI) / Machine Learning (ML) in the networking field is undeniable. In this regard, key technology enablers for the previous generation, 5G, such as software-defined networking and network function virtualization, fall short to accomplish the stringent requirements envisioned for 6G verticals. This PhD thesis goes back to basics, by exploring missing functionality gaps in relation to these technologies, in order to provide the ”glue” for holistic and fully-fledged networking solutions for 6G, aligned with standards and industry recommendations. Although ambitious, and in a very early stage, this PhD thesis illustrates an initial design for in-band control in Software-Defined Networking (SDN) that could facilitate the interoperability among constrained IoT devices. The current design demonstrates promising results in terms of resource-usage and robustness, which are pivotal features for constrained networks. Next steps include the integration of the approach with a real testbed comprised of constrained IoT devices and the implementation of a federated learning environment at the edge.
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