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Effective Quality-of-Service Renegotiating Schemes for Streaming Video  

이대붕 (홍익대학교 전파통신공학과 멀티미디어 통신시스템 연구실)
송황준 (홍익대학교 전파통신공학과 멀티미디어 통신시스템 연구실)
Abstract
This paper presents effective quality-of-service renegotiating schemes for streaming video. The conventional network supporting quality-of-service generally allows a negotiation at call setup. However, it is not efficient for the video application since the compressed video traffic is statistically non-stationary. Thus, we consider the network supporting quality-of-service renegotiations during the data transmission, and study effective quality-of-service renegotiating schemes for streaming video. Simple token bucket model, whose parameters are token filling rate and token bucket size, is adopted for the video traffic model. The renegotiating time instants and the parameters are determined by analyzing the statistical information of compressed video traffic. In this paper, two renegotiating approaches, i.e. fixed renegotiating interval case and variable renegotiating interval case, are examined. Finally, the experimental results are provided to show the performance of the proposed schemes.
Keywords
Network QoS; QoS renegotiation; Token bucket parameter; Packet loss rate;
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