基于多优先级的自适应队列管理算法

摘要

区分服务是一种服务质量体系,它能够向不同的网络传输提供相应的服务,更符合目前网络的发展方向.文中研 究通信网络中的队列管理算法RED、ARED、Gentle-RED和RIO-C,参考各个算法的优缺点,在重点研究适合区分服务的主动队列管理算法RIO-C的基础上,结合ARED算法自适应性和GRED算法稳定性的优点,提出了一种改进的适合区分服务的自适应算法,以解决RIO-C方法对参数设置较敏感的问题.仿真结果表明,改进算法在保护高优先级数据分组的情况下具有自适应性和一定的稳定性.%DiffServ is a kind of QoS.it can offer different services for different networic transmission, and be more fit for development direction of the network at present. It studies the queue management algorithm of network,such as RED, ARED,GenUe-RED and RIO-C, mainly on the active queue management algorithm RIO-C. Then,in onler to solve the sensitive problem of setting RIO-C's parameter, propose an improved algorithm combining with the advantages of ARED and GRED. The results of the simulation indicate that the improved AQM algorithm has adaptivity and stability for multiple priority queues.