Feng Gang National Laboratory of Communication,UESTC Aug 2017 Ver 1.4 Packet dropping 。 Packets that cannot be served immediately are buffered Full buffers =packet drop strategy Packet losses happen almost always from best-effort connections (why?) Shouldn't drop packets unless imperative packet drop wastes resources(why?) 2616009:Network Traffic Engineering 5:Buffer Management Page.32616009: Network Traffic Engineering Feng Gang National Laboratory of Communication, UESTC Aug 2017 Ver 1.4 5: Buffer Management Page.3 Packet dropping • Packets that cannot be served immediately are buffered • Full buffers => packet drop strategy • Packet losses happen almost always from best-effort connections (why?) • Shouldn’t drop packets unless imperative – packet drop wastes resources (why?)