Supporting the IoT over Integrated Satellite-Terrestrial Networks Using Information-Centric Networking

We investigate the control and data message overhead when the IoT is supported over an integrated satellite-terrestrial network based on Information-Centric Networking (ICN). We consider a scenario where IoT sensor networks are connected via LEO satellites and present three optimization models: polling and data aggregation at a proxy, confidential data transfer using a single proxy, and individual proxy for each IoT node. The three models are implemented in an integrated ICN testbed that consists of a Publish-Subscribe Internet (PSI) prototype and the OpenSAND satellite emulation. The experimental results show that the optimization models, utilizing PSI's mechanisms, can significantly reduce the satellite traffic load while supporting different levels of security.

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