Bringing SDN to the edge of tactical networks

New services put a lot of pressure on the tactical networks, always requiring more bandwidth, service differentiation and agility. In this paper we propose a framework for managing traffic in future tactical networks. Our solution is based on the Mobile Edge Cloud (MEC) architecture and its close interaction with Software Defined Networking (SDN). The whole facilitated by the spread of Software-Defined Radios (SDR) in tactical radios. We have implemented our architecture in a proof of concept and tested it with 2 tactical scenarios. Our experiments show that centralizing the intelligence in the MEC allows to guarantee the requirements of the tactical applications either by adapting the waveform parameters, or through changing the radio interface or even by reconfiguring the applications. More generally, the best decision can be seen as the optimal reaction to the wireless links variations.

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