ATM网络中ABR流量管理的ERICA切换算法
The ERICA Switch Algorithm for ABR Traffic Management in ATM Networks
摘要:
提出了一种用于ATM网络拥塞避免的显式速率指示方案。在该方案中,网络交换机监视它们在每个链路上的负载,确定负载因子、可用容量和当前活动虚拟信道的数量。该信息用于告知信源它们应该以什么速率发送。该算法的设计,以实现效率,公平性,受控的延迟,和快速的瞬态响应。该算法也是强大的测量误差所造成的变化,在ABR的需求和容量。我们提出的性能分析,该计划使用的分析参数和仿真结果。该方案正在由几家ATM交换机制造商实施。
英文摘要:
We propose an explicit rate indication scheme for congestion avoidance in ATM networks. In this scheme, the network switches monitor their load on each link, determining a load factor, the available capacity, and the number of currently active virtual channels. This information is used to advise the sources about the rates at which they should transmit. The algorithm is designed to achieve efficiency, fairness, controlled queueing delays, and fast transient response. The algorithm is also robust to measurement errors caused due to variation in ABR demand and capacity. We present performance analysis of the scheme using both analytical arguments and simulation results. The scheme is being implemented by several ATM switch manufacturers.
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