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Multi-party videoconferencing is one many-to-many group communication application in which multicast could be utilized to save bandwidth. For native multicast is still not available everywhere, we need provide scalable and efficient way for unicast users to communicate with multicast-capable users in videoconferencing. This paper proposes one scalable hybrid multicast scheme with peer-forwarding for...
Congestions in many-to-many videoconferencing are usually caused by multiple senders. Judging the congestion links and determining the adjusting bit rate of senders which caused the congestions are the two issues in congestion control. In this paper, we propose one multicast congestion control scheme based on packets transmission model of shared multicast tree. The end-to-end packet loss rates are...
Congestions in many-to-many videoconferencing are usually caused by multiple senders, the congestion information feedback, bottleneck link judge and sending rate adjust are much different from one-to-many multicasting. In this paper, we propose one multicast congestion control scheme based on end-to-end tomography (ET-MCC) for many-to-many videoconferencing. The end-to-end packet loss rates are measured...
Native multicast is not ubiquitous available now, providing efficient way for unicast end-hosts to access multicast session is important for many-to-many videoconferencing. Reflector-based hybrid multicast scheme is not scalable for bottleneck of its capacity and deployment expenses. We proposed one peer-based hybrid multicast scheme for scalable many-to-many videoconferencing. The multicast-capable...
Video conferencing systems have been widely used all over the word and bring much convenience to our daily life. With the increase of network capability, users of video conference desire upgrade of video quality more and more intensively. However, the extensibility for large-scale standard-definition video conference is seriously restricted by the ability of decoding multi-path standard-definition...
Multicast based videoconference (MVC) is one of representative applications in next generation Internet. Native IP multicast has advantages in group communications for large scale multipoint videoconferencing. This paper introduces the service and applications of native multicast based videoconference on China Education and Research Network (CERNET). The native multicast service, conferencing service...
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