一种针对TCP动态队列管理的控制算法

描述了一种新的TCP/IP动态队列管理控制算法,对于传统的随机早期检测法(RED)来说,它的主要目标之一就是稳定路由器队列的长度,然而它实现此目标并不是很成功,主要因为它在平衡队列长度的过程中很强地依赖了动态TCP链接数。而新的动态控制算法则使用了一种简单的控制方法,当路由器缓冲区即将出现拥塞时,它能够根据当前路由器缓冲区负载概率来随机地实施包丢弃。该算法能够很好地稳定路由器缓冲区的队列占用数,同时,在实现过程中并不用评估动态TCP链接数以及分析网络流的状况。所给出的一个实验模型表明,该控制算法是有效可行的。

A New Active Queue Management Algorithm for TCP Network

Describes an active queue management algorithm for TCP/IP networks. In random early detection(RED), one of the goals is to stabilize the queue lengths in routers. However, the current version of RED does not succeed in this goal because the equilibrium queue length strongly depends on the number of active TCP connections. On the contrary, the new algorithm uses a simple control approach to discard packets randomly with a load-dependent probability when a buffer in a router gets congested. It is able to stabilize a router queue occupation at a level independent of the number of active TCP connections. The algorithm achieves this without estimating the number of active TCP connections or flows and without collecting or analyzing state information on individual flows. Finally, provides a test model which has proved that the new algorithm is efficient and available.