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Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

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Whisper: Programmable and Flexible Control on Industrial IoT Networks.

Esteban Municio¹, Johann Marquez-Barja², Steven Latré³

¹IDLab-Department of Mathematics and Computer Science, University of Antwerp-IMEC, 2000 Antwerp, Belgium. esteban.municio@uantwerpen.be.

Sensors (Basel, Switzerland)

|November 23, 2018

Summary

Whisper enables Software Defined Networking (SDN) in low power and lossy networks, like the Internet of Things (IoT). This system offers centralized control with minimal overhead, enhancing network flexibility and security for resource-constrained devices.

Keywords:

6TiSCH Internet of Things (IoT)RPL SDN Whisper

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Area of Science:

Computer Science
Network Engineering

Background:

Software Defined Networking (SDN) offers centralized network control but faces challenges in low power and lossy networks (LLNs) common in the Internet of Things (IoT).
Key challenges include reliable in-band connectivity and accommodating resource-constrained IoT devices.

Purpose of the Study:

To introduce Whisper, a novel system enabling SDN capabilities in LLNs.
To demonstrate Whisper's ability to remotely control node forwarding and cell allocation in IoT networks.

Main Methods:

Whisper utilizes a centralized controller that sends routing and scheduling messages compatible with existing LLN protocols.
Algorithms minimize message overhead, reducing the burden on resource-constrained IoT devices.
Implementation is demonstrated within current IoT standards (RPL and 6TiSCH) without requiring firmware modifications.

Main Results:

Whisper successfully controls both the scheduling and routing planes of LLNs.
Experimental results show significantly lower overhead, no additional latency, and no packet loss compared to other SDN-IoT solutions.
Whisper supports use cases like rerouting around low-battery devices and runtime defense against jamming attacks.

Conclusions:

Whisper provides an effective SDN-like control for distributed LLNs, compatible with legacy and next-generation IoT devices.
The system enhances network programmability and flexibility without specific SDN hardware support.
Whisper offers a lightweight, efficient solution for managing complex IoT networks.