Internet of Things (IoT) is expected to become a driver in an emerging era of interconnected world through the advanced connectivity of smart devices, systems, and services. IoT goes beyond a broad range of Machine-to-Machine (M2M) communication technologies and covers a wide variety of networking protocols. There exist solutions like MQTT or SIP collecting data from sensors, CoAP for constrained devices and networks, or XMPP for interconnecting devices and people. Also there is a plethora of standards and frameworks (OSGi, AllJoyn) bringing closer the paradigm of IoT vision. However, the main constraint of most existing platforms is their limited mutual interoperability. To this end, we provide a comprehensive description of protocols suitable to support the IoT vision. Further, we advocate an alternative approach to already known principles and employ the SIP protocol as a container for M2M data. We provide description of data structures and practical implementation principles of the proposed structures (JSON and Protocol Buffers are discussed in detail) transmitted by SIP as a promising enabler for efficient M2M communication in the IoT world. Our reported findings are based on extensive hands-on experience collected after the development of advanced M2M smart home gateway in cooperation with the operator Telekom Austria Group.

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LicenseThis publication is copyrighted. You may download, display and print it for Your own personal use. Commercial use is prohibited. Take down policyIf you believe that this document breaches copyright, please contact the authors, and we will investigate your claim. BibTex entry@inproceedings{BUT171975, author="Petr {Dzurenda} and Sara {Ricci} and Raúl {Casanova-Marqués} and Jan {Hajný} and Petr {Číka}", title="Secret Sharing-based Authenticated Key Agreement Protocol", booktitle="International Workshop on Security and Privacy in

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