Congestion avoidance and control
SIGCOMM '88 Symposium proceedings on Communications architectures and protocols
vic: a flexible framework for packet video
Proceedings of the third ACM international conference on Multimedia
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This paper proposed a new dynamic flow control algorithm for teleconferencing systems that has advantages over previous methods. Our method makes use of Relatively Send Trip Time(RSTT), and passes through two stages to measure the network status. In the first stage, we categorize the network status into three different states depending on difference between current RSTT and previous RSTT. In the second stage, our method readjusts the states of network according to the predefined RPL. Depending on the network status, we estimate the possible use of bandwidth of the current network. For this purpose, transmission control ratio is calculated by applying the different weight factors to the current network status, previous network status and the network status before last, respectively. And then the ratio is applied to current transmission rate. In the experiments, we measure the performance of the proposed method and compare the results with those of the previous methods. According to the results, our method is proven to show improved RPL and an increased total number of transmitted packets over a given period time than the other methods.