QoS-aware multipath-TCP extensions for mobile and multimedia applications
Proceedings of the 9th International Conference on Advances in Mobile Computing and Multimedia
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Combination of RTP and UDP is commonly used in real-time video streaming, today. In fear of packet loss, FEC may be used to recover the lost packet data in RTP. But there is a limit in the tolerance to a burst packet loss. We propose to transmit real-time video streams that have tolerance to a burst packet loss by combining RTP with PR-SCTP. By retransmission within the range of the delay restriction specified by PR-SCTP while doing buffering, the tolerance to a burst packet loss can be improved in exchange for some delay.We have implemented the proposed method as a translator of RTP in consideration of interoperability with the existing application implemented with RTP/UDP. And we artificially caused the burst-packet loss as an experiment in the translator and evaluate the outcome of an experiment.