As an enhancement mechanism for the end-to-end congestion control, active queue management (AQM) such as RED can control queue length efficiently on the basis of keeping higher throughput.

• 以RED算法为代表的主动队列管理(AQM)方案作为中间节点设备的增强机制,在保证较高吞吐量的基础上有效控制队列长度,从而实现了控制端到端的时延,保证QoS的目的。