Transformation Based Routing Overlay for Privacy and Reusability in Multi-Domain IoT
Résumé
The Internet of Things (IoT) interconnects a large collection of low power devices to the Internet. Instead of relying on the usual approach where IoT devices push their data to a cloud, we envision a decentralized approach, where multiple IoT domains cooperate to exchange data safely. As privacy is critical regarding IoT data, each domain should define what it accepts to export. We propose to create a multi-domain overlay of border routers, defining their own privacy constraints. Border routers export their available data streams and policies to their peering domains. Such policies define how streams should be aggregated and transformed to be compliant with the privacy requirements. We take advantage of the Named Data Networking (NDN) architecture to enable data re-usability and in-network transformations. Our evaluation highlights the scalability of our approach: NDN content stores supporting data aggregation and transformation reduce both the network and the cache load while enforcing privacy natively.
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