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vSkyConf: Cloud-assisted Multi-party Mobile Video Conferencing by Wu, Yu; Wu, Chuan; Li, Bo; Lau, Francis C. M. is a scholarly article available to read on EtoBox.

What is vSkyConf: Cloud-assisted Multi-party Mobile Video Conferencing about?

As an important application in the busy world today, mobile video conferencing facilitates virtual face-to-face communication with friends, families and colleagues, via their mobile devices on the move. However, how to provision high-quality, multi-party video conferencing experiences over mobile devices is still an open challenge. The fundamental reason behind is the lack of computation and communication capacities on the mobile devices, to scale to large conferencing sessions. In this paper, we present vSkyConf, a cloud-assisted mobile video conferencing system to fundamentally improve the quality and scale of multi-party mobile video conferencing. By novelly employing a surrogate virtual machine in the cloud for each mobile user, we allow fully scalable communication among the conference participants via their surrogates, rather than directly. The surrogates exchange conferencing streams among each other, transcode the streams to the most appropriate bit rates, and buffer the streams for the most efficient delivery to the mobile recipients. A fully decentralized, optimal algorithm is designed to decide the best paths of streams and the most suitable surrogates for video transcod

Author

Wu, Yu; Wu, Chuan; Li, Bo; Lau, Francis C. M.

Published

2013

Language

EN