一种基于MPLS-DiffServ流量工程的故障恢复模型  

A model for fault restoration based on MPLS-DiffServ traffic engineering

作　　者：朱树人[1] 刘雪峰[2] 

机构地区：[1]广东商学院,广东广州510320 [2]长沙理工大学,湖南长沙410076

出　　处：《铁道科学与工程学报》2006年第4期88-92,共5页Journal of Railway Science and Engineering

基　　金：国家高技术研究发展计划项目(2001AA112110)

摘　　要：针对基于MPLS流量工程的本地、路径、重路由故障恢复模型存在资源利用率不高、恢复周期较长的缺点,提出了一种基于MPLS-DiffServ流量工程的故障恢复模型。该模型根据网络的故障发生概率、故障恢复时延的要求与网络资源利用率等参数和数据流分类进行配置,选择路径恢复算法。结果表明,该模型提高了资源利用率,缩短了故障恢复周期,对网络数据流故障恢复具有较强的有效性。Due to the fact that local, path and rerouting models for fault restoration based on MPLS traffic engineering have faults of low resource＇ s utilization and long fault restoration＇ s cycle, a model for fault restoration based on MPLS - DiflServ traffic engineering is proposed. The model is configured according to parameters, such as probability of fault taking place in network, requirement of fault restoration＇ s delaying, network resource＇ s utilization etc, and complexion of assorting data stream and chooses the algorithm for path restoration. It elevates resource＇ s utilization and condenses cycle of fault restoration. Experiment shows that the model has higher efficiency of restoring network data stream＇ s fault .

关 键 词：多协议标签交换 区分业务 故障恢复 流量工程 

分 类 号：TP309.3[自动化与计算机技术—计算机系统结构]