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Multi-party WebRTC videoconferencing using scalable VP9 video: from best-effort over-the-top to managed value-added services

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We propose architectures and implementations for WebRTC videoconferencing services using scalable VP9 video coding with motion-adaptive rate control as either a best-effort over-the-top service or as a managed value-added service with rate reservation over software-defined networks. In the best-effort service, clients perform motion-adaptive layer selection according to the available bandwidth in order to achieve the best overall visual video quality. In the value-added managed service, the service manager reserves bandwidth between mesh-connected clients according to rates agreed by them, and clients perform motion-adaptive layer selection to adapt their send rates to the bandwidths reserved between the end points. The proposed framework has been demonstrated to yield excellent results for both point-to-point two-party and mesh-connected multi-party videoconferencing.

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Institute of Electrical and Electronics Engineers (IEEE)

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Computer science, Software engineering, Engineering, Electrical and electronic engineering

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Proceedings - IEEE International Conference on Multimedia and Expo

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10.1109/ICME.2018.8486478

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