This essay employed Relaxation Algorithm to limit the variation of the sending rate of the TFRC flow adaptively.It made the sending rate of the TFRC flow more smooth and constringent.

• 采用松弛算法对TFRC流的发送速率进行自适应约束，使TFRC流发送速率在与TCP流竞争中变得更加平缓、收敛。