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A Receiver-based Congestion Control Algorithm with One-way Trip Time for Multimedia Applications  

정기성 (숭실대학교 정보통신전자공학부)
박종훈 (숭실대학교 정보통신전자공학부)
홍민철 (숭실대학교 정보통신전자공학부)
유명식 (숭실대학교 정보통신전자공학부)
Abstract
Supporting QoS (Quality of Service) for the multimedia applications becomes an important issue as the demand of multimedia applications increases. Thus, it is necessary for the application layer to have an efficient congestion control algorithm, which can support the multimedia applications' QoS requirements. In this paper, we propose a new application layer congestion control algorithm, called RRC-OTT (Receiver-based Rate Control with One-way Trip Time). RRC-OTT algorithm differs from the previously proposed algorithms in that the receiver takes the responsibility of the network congestion control. Thus, RRC-OTT algorithm can not only precisely estimate the network congestion using OTT (one-way Trip Time), but reduce the work load from the sender (e.g., the web server). Our simulation study shows that RRC-OTT algorithm can maintain the comparable link utilization to the previously proposed algorithms and keep the packet jitter low, which thus can help enhance the quality of multimedia applications.
Keywords
OTT;
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