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对DiffServ体系协议中的几种聚集流内各微流之间带宽分配的公平性进行了分析,并分析了几种典型的公平性的控制算法(RED,WRR,FQ)的思想、实现方法、技术以及各自算法存在的问题,在此基础上,提出一种基于WRR算法和FQ算法相结合的新的公平性控制算法,较好地解决了聚集流在网络发生拥塞时,聚集流内各微流的公平性问题.从而保证了在IP广域网乃至整个Internet上实现QoS,同时对网络中带宽资源的合理分配有一定的指导作用.
This paper analyzes the fairness of the bandwidth allocation among the micro-flows in several kinds of aggregated flows in DiffServ system protocol and analyzes the ideas, implementation methods of several typical fairness control algorithms (RED, WRR, FQ) Technology and the problems of their respective algorithms. On this basis, a new fairness control algorithm based on WRR algorithm and FQ algorithm is proposed, which can well solve the problem that when congestion occurs in the network, So as to ensure QoS in IP wide area network and even in the whole Internet and at the same time it can guide the reasonable allocation of bandwidth resources in the network.