Live video transmission over data distribution service with existing low-power platforms

Bagley, Anthony, Fehringer, Gerhard, Jin, Nanlin and Cammish, Steve (2017) Live video transmission over data distribution service with existing low-power platforms. In: ICC'17 - Second International Conference on Internet of Things, Data and Cloud Computing, 22nd - 23rd March 2017, Cambridge, UK.

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Abstract

This paper investigates video transmission over a middleware layer based on the Object Management Group’s Data-Distribution Service (DDS) standard, with a focus on low power platforms. Low power platforms are being widely utilised to implement IoT devices. One important type of IoT application is live video sharing which requires higher bandwidth than current typical applications. However, only limited research has been carried out on quality of services of data distribution utilising low end platforms.

This paper discusses the development of prototypes that consist of both a Raspberry Pi 2 and an Android smartphone with client applications using Prismtech’s Vortex line of DDS middleware. Experiments have yielded interesting performance results: DDS middleware implementations that run on low power hardware with native code can provide sufficient performance. They are efficient enough to consistently handle high bandwidth live video with the network performance proving to be the bottleneck rather than the processing power of the devices. However, virtual machine implementations on an Android device did not achieve similar performance levels.

These research findings will provide recommendations on adopting low power devices for sharing live video distribution in IoT over DDS middleware.

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