Improvement of Congestion Control Algorithms for Streaming Media TFRC
Hui Guo, JI Song-bo · 2019
TFRC(TCP-Friendly Rate Control) congestion control algorithm not only solves the transmission quality problem of streaming media to a certain extent, but also has good friendliness to TCP algorithm. Based on the analysis of traditional TFRC congestion control algorithm, this paper proposes a method to modify the throughput calculation formula by introducing adjustment factor, which takes into account the change of adjacent round-trip time and the delay jitter of adjacent time, and dynamically changes the sending rate of the sender. The simulation results show that the improved TFRC algorithm has better smoothness and throughput than the original one.