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Traffic Engineering & QoS Methods for IP-, ATM-, & TDM-Based Multiservice Networks

机译：基于IP，ATM和TDM的多服务网络的流量工程和QoS方法

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摘要

This is an informational document submitted in response to a request fromthe IETF Traffic Engineering Working Group (TEWG) for service provider uses,requirements, and desires for traffic engineering best current practices.As such, the work sets a direction for routing and traffic performancemanagement in networks based on traffic engineering (TE) and QoS bestcurrent practices and operational experience, such as used in the AT&Tdynamic routing/class-of-service network. Analysis models are used todemonstrate that these currently operational TE/QoS methods and best currentpractices are extensible to Internet TE and packet networks in general. Thedocument describes, analyzes, and recommends TE methods which control anetwork's response to traffic demands and other stimuli, such as linkfailures or node failures. These TE methods include:a) traffic management through control of routing functions, which includecall routing, connection routing, QoS resource management, routing tablemanagement, and dynamic transport routing.b) capacity management through control of network design, includingrouting design.c) TE operational requirements for traffic management and capacitymanagement, including forecasting, performance monitoring, and short-termnetwork adjustment.
机译：这是参考IETF交通工程工作组（TEWG）对服务提供商的使用，要求和对交通工程最佳实践的要求而提交的信息文档。因此，该工作为IETF的路由和交通绩效管理设定了方向。基于流量工程（TE）和QoS最佳实践和运营经验的网络，例如AT＆T动态路由/服务等级网络中使用的网络。分析模型用于证明这些当前可操作的TE / QoS方法和最佳的当前实践通常可扩展到Internet TE和分组网络。该文档描述，分析并推荐了TE方法，这些方法可控制网络对流量需求和其他刺激（例如链路故障或节点故障）的响应。这些TE方法包括：a）通过控制路由功能进行流量管理，包括呼叫路由，连接路由，QoS资源管理，路由表管理和动态传输路由; b）通过控制网络设计（包括路由设计）进行容量管理。c）TE流量管理和容量管理的操作要求，包括预测，性能监视和短期网络调整。

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