Feng Gang National Laboratory of Communication,UESTC Aug 2017 Ver 1.4 What more should router do? The role of the router becomes important Control congestion effectively in networks Allocate bandwidth fairly What Can be done? Scheduling------will be discussed in Unit 6. Buffer management Possible solution:AQM Definition: A group of FIFO based queue management mechanisms to support end-to-end congestion control in the Internet 2616009:Network Traffic Engineering 5:Buffer Management Page.122616009: Network Traffic Engineering Feng Gang National Laboratory of Communication, UESTC Aug 2017 Ver 1.4 5: Buffer Management Page.12 What more should router do? • The role of the router becomes important − Control congestion effectively in networks − Allocate bandwidth fairly • What Can be done? - Scheduling------ will be discussed in Unit 6. - Buffer management • Possible solution: AQM - Definition: A group of FIFO based queue management mechanisms to support end-to-end congestion control in the Internet