We given the buffer structure of router. Based on it, we proposed that there was the overlap of different buffers. The best selection was to adopt different flow control mechanisms .

• 提出了路由器内部缓冲区之间的三种关系模型，在此基础上认为路由器内部缓冲关系是三种不同方式的叠加，宜于采用多种流控机制，并给出了相应的几种流控机制参考方案；