一种新的ATM网络拥塞控制方法  

A new method of ATM network congestion control

作　　者：田澈[1] 卢辉斌[1] 刘庆峰[1] 许莉[1] 

机构地区：[1]燕山大学信息科学与工程学院,河北秦皇岛066004

出　　处：《燕山大学学报》2004年第5期443-448,共6页Journal of Yanshan University

摘　　要：目前,已经有许多的机遇速率的流量控制方法应用于 ABR 网络。这些方法中大多都能提高主动连接的公平性和连接利用率。同时,也给交换机带来更大的复杂性。本文中提出了一个流量控制方法,将部分速率计算工作从交换机转移到终端系统中进行。结果表明,该方法能减少交换机的速率计算工作及交换复杂性,还降低了交换机在每一时间间隔内计算每条链路负载因子的难度,使占用队列长度保持在稳定状态。仿真结果表明该方法具有比 ERICA+算法更好的运行效果。A lot of rate-based flow control method have been applied to ABR service at present. Most of these method can improve both the fairness among active connections and the link utilization and put more and more complexity into a switch. In this article, a flow control method in which part of rate-calculation work is moved from switches to end-systems is proposed. The result shows that the proposed approach reduces the rate-calculation effort and switch complexity in the switch. Furthermore, it mitigates the difficulty for calculating load factor every measurement interval in switches, and makes the queue occupancy in the network stable. Simulation results are present to demonstrate that the proposed approach achieve better performance than ERICA+.

关 键 词：交换机 拥塞控制 仿真结果 队列长度 流量控制 速率 链路 制方 法能 

分 类 号：TH714.14[机械工程—测试计量技术及仪器] TP393[机械工程—仪器科学与技术]