On designing end-user multicast for multiple video sources

Authors:
Y. Nakamura;H. Yamaguchi;A. Hiromori;K. Yasumoto;T. Higashino;K. Taniguchi
Affiliations:
Graduate Sch. of Inf. Sci. & Technol., Osaka Univ., Japan;Graduate Sch. of Inf. Sci. & Technol., Osaka Univ., Japan;Graduate Sch. of Inf. Sci. & Technol., Osaka Univ., Japan;Dept. of Comput. Sci., Nat. Tsing Hua Univ., Hsinchu, Taiwan;Perceptual Interfaces & Reality Lab., Maryland Univ., College Park, MD, USA;Telecommun. Lab., Erlangen-Nurnberg Univ., Erlangen, Germany
Venue:
ICME '03 Proceedings of the 2003 International Conference on Multimedia and Expo - Volume 3 (ICME '03) - Volume 03
Year:
2003

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Abstract

In this paper, we present a new application level multicast protocol called Emma (end-user multicast for multi-party applications) suitable for communication systems where multiple video sources are exchanged in real-time among end-hosts, such as video-conferencing. The primal feature of Emma is that video sources with the higher priority given by users are prioritized among others for the provision of quality of service at the user level and that all the operations in Emma are done in a distributed manner. Our experimental results have shown that Emma achieves reasonable performance on overlay networks with high user satisfaction.