一种抑制高带宽流的主动队列管理研究

An AQM Algorithm Research Based on the Suppression of High-bandwidth Stream

针对随机早期检测RED存在的网络带宽分配不公平现象,提出了一种主动队列管理算法,该算法是基于对高带宽流的抑制而实现网络带宽分配公平性的;通过对路由器丢包历史的分析,检测出高带宽流,采用提前丢弃高带宽流的方法保证网络的公平性能;该算法仅需保留被鉴别出的高带宽流的状态,因此路由器额外增加开销较少,易于实现;仿真实验表明,这种基于抑制高带宽流的主动队列管理,是一种较好的网络拥塞避免机制,改进了RED的性能,减少了回路响应时间,提高了网络的公平性能。

In allusion to the phenomena of unfair network bandwidth distribution of RED, a AQM algorithm is put forward. It is based on the suppression of high-bandwidth stream and achieve a fair allocation of network bandwidth. By analysis the history of the router packet loss, to detect high-bandwidth stream, using the method of discarded ahead of high-bandwidth flow to ensure a fair performance of network. The algorithm retain only the state of the high-bandwidth stream identified, the router costs less, easy to achieve. The simulation showed that the active queue management based on the suppression of high-bandwidth stream, is a better mechanism to avoid network congestion, improve the performance of RED, a decrease of loop response time, increased the fair performance of network .