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现有区分服务网络的保证转发服务可提供稳定的带宽保证,但缺乏保证时延和分组丢失性能的有效方案.基于对RIO队列的稳态性能分析,提出两种自适应调整控制策略的主动队列管理算法(ARIO-D和ARIO-L).仿真结果表明,这两种算法在保持RIO算法带宽保证能力的同时,还可以提供稳定的和可区分的时延和分组丢失性能.采用ARIO-D和ARIO-L的保证转发服务可以为多媒体流量提供多种服务质量的定量保证.
However, there is no effective scheme to guarantee the performance of delay and packet loss.According to the steady-state performance analysis of RIO queues, two active queues are proposed to adaptively adjust the control strategy (ARIO-D and ARIO-L). The simulation results show that these two algorithms can provide stable and distinguishable delay and packet loss performance while maintaining the bandwidth guarantee of RIO algorithm.Using ARIO-D And ARIO-L’s guaranteed forwarding service provide a quantitative guarantee of quality of service for multimedia traffic.