帧中继网络的一种拥塞控制机制

A Congestion Control Mechanism of Frame Relay Network

本文介绍一种帧中继网络［１－４］的拥塞控制机制—输入速率控制机制［１］。它采用漏桶算法［５，６］（或令牌管理算法）调节从源节点到网络节点的数据流量。本文着重介绍了该输入速率控制机制的实现并作了性能分析。依据帧中继子网的拓扑结构，进行理论分析和计算机模拟，给出了不同参数下的各项性能曲线。

This paper introduces an input rate control mechanism which implements the congestion control in frame relay networks.It regulates traffic from end user stations to the network,using a Leaky Bucket type scheme(also identified as a Credit Manager Algorithm).For the performance analysis,we select a sub network toplogy which consists of a network switch and a number of regulated source stations.We focus on study on the input rate control mechanism and the performance analysis.According to the topologic structure,we analyze the performance in theory and the results are proved by computer simulation.Performance curves are presented with variable parameters.