A Comparison of QoS Parameters of WebRTC Videoconference with Conference Bridge Placed in Private and Public Cloud

This paper is devoted to analysis of QoS parameters of WebRTC traffic presented for centralized videoconferencing system used for collaborative work. This system consists of a videoconference application, built according to the WebRTC architecture, and a telemetric system, built as the IoT environment. Tests were carried out for three locations of the conference bridge: in private cloud (the OpenStack cloud), in public cloud (the AWS cloud) and in local network. Results show, that conference bridge in a cloud is a good solution for the WebRTC, and additional transmission of telemetric data do not affect the QoS parameters of WebRTC's media stream

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