一种区分服务域内的IP流量规划方法

郭国强; 张尧学; 王晓春

引用本文:	郭国强,张尧学,王晓春.一种区分服务域内的IP流量规划方法.软件学报,2002,13(3):364-369

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一种区分服务域内的IP流量规划方法
郭国强^1,2, 张尧学², 王晓春²
1.常德师范学院,计算机科学与技术系,湖南,常德,415003;2.清华大学,计算机科学与技术系,北京,100084

摘要:

IP流量规划与区分服务结合是增强网络服务质量保证的新方法.在分析区分服务对流量规划需求的基础上,设计了区分服务与流量规划结合的功能框架,提出了适合流量规划要求的队列调度方法和流量分割与映射的原理与方法.流分割方法基于表对数据流进行分割.该方法既能体现区分服务数据包的转发优先级的差异,又能保证数据流的延迟与同步要求.

关键词: 流量规划区分服务服务质量负载平衡多路径路由

DOI：

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基金项目:国家重点基础研究发展规划973资助项目(G1998030409);湖南省自然科学基金(00JJY2068)

An IP Traffic Engineering Method for Differentiated Services

GUO Guo-qiang,ZHANG Yao-xue,WANG Xiao-chun

Abstract:

The integration of IP TE (traffic engineering) and DS (differentiated service) is a new method to enhance QoS (quality of service) guarantee in network. In this paper, based on analyzing the requirement of DS for TE, the integrating framework is constructed, a schedule method suitable to TE is put forward, as well as the principle and the method of partitioning and mapping. This method carries out traffic splitting according to table.not only distinguishes the priorities of packets forwarded in DS domain, but also guarantees the requirements for delay and disting uishes the priorities ofr delay and synchronization of data flow.

Key words: traffic engineering differentiated service quality of service load balancing multipath routing