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首页> 外文期刊>International Journal of Innovative Computing Information and Control >CONTROL THEORY BASED AQM FOR HIGH SPEED NETWORKS
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CONTROL THEORY BASED AQM FOR HIGH SPEED NETWORKS

机译：高速网络的基于控制理论的AQM

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摘要

In this paper, we address the problem of synthesizing static antiwindup compensator for a linearized model of a high speed network TCP/IP router. Theorectically, the class of systems considered are input saturating linear systems with known and constant time delay in both the input and the states. The synthesis of these antiwindup compensators is carried out on an LMI-based framework whose development is based on the use of a Lyapunov-Krasovskii functional, a generalized sector condition, and a negligibly constrained usage of Finsler Lemma. In practical terms, high speed networks need routers with the ability to quickly return the packet queue size to the predetermined steady state level, otherwise, quality of service criteria might be compromised. In this sense, we perform the active queue management of a TCP/IP router on a high speed network in order to improve its speed on returning to steady state levels of queue and transmission rate. We compare our results by computing the minimization of the L_2-gain upper bound of the disturbances for which the time function of the queue length and TCP congestion window size are assured to be bounded.
机译：在本文中，我们解决了为高速网络TCP / IP路由器的线性化模型综合静态抗饱和补偿器的问题。从理论上讲，考虑的系统类别是输入饱和线性系统，在输入和状态方面均具有已知且恒定的时间延迟。这些抗饱和补偿器的合成是在基于LMI的框架上进行的，该框架的开发基于Lyapunov-Krasovskii函数的使用，广义扇区条件以及Finsler Lemma的使用可忽略不计的使用。实际上，高速网络需要能够将分组队列大小快速返回到预定稳态水平的路由器，否则，服务质量标准可能会受到影响。从这个意义上说，我们在高速网络上执行TCP / IP路由器的活动队列管理，以提高其返回队列的稳定状态级别和传输速率时的速度。我们通过计算扰动的L_2增益上限的最小化来比较我们的结果，对于这些扰动，确保队列长度的时间函数和TCP拥塞窗口大小是有界的。

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