Efficient transmission of rendering-related data using the NIProxy

Authors:
Maarten Wijnants;Tom Jehaes;Peter Quax;Wim Lamotte
Affiliations:
Hasselt University and Interdisciplinary institute for BroadBand Technology (IBBT), Wetenschapspark, Diepenbeek, Belgium;Hasselt University and Interdisciplinary institute for BroadBand Technology (IBBT), Wetenschapspark, Diepenbeek, Belgium;Hasselt University and Interdisciplinary institute for BroadBand Technology (IBBT), Wetenschapspark, Diepenbeek, Belgium;Hasselt University and Interdisciplinary institute for BroadBand Technology (IBBT), Wetenschapspark, Diepenbeek, Belgium
Venue:
EuroIMSA '08 Proceedings of the IASTED International Conference on Internet and Multimedia Systems and Applications
Year:
2008

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Abstract

Despite the emergence of broadband Internet connections, client downstream bandwidth remains a scarce resource and should hence be managed judiciously. Based on this observation, we have previously introduced the NIProxy, a network intermediary supporting automatic client bandwidth management. However, the results presented in our previous work were generated using "artificial" test applications whose bandwidth management requirements could be satisfied using relatively straightforward strategies. In this paper, we evaluate the NIProxy's suitableness to manage client downstream bandwidth in a realistic, more complex networked application. The considered application supports real-time audiovisual user communication and in addition employs an advanced rendering scheme which imposes a number of specific requirements regarding the distribution of rendering-related data to clients. Through the presentation of representative experimental results, we demonstrate that the NIProxy is not only capable of fulfilling these requirements but also effectively improves the Quality of Experience (QoE) provided to users of the considered application.