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首页> 外文会议>International IFIP-TC6 Networking Conference(NETWORKING 2004); 20040509-20040514; Athens; GR >Hierarchical Routing with QoS Constraints in Optical Transport Networks
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Hierarchical Routing with QoS Constraints in Optical Transport Networks

机译：光传输网络中具有QoS约束的分层路由

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摘要

Optical Transport Networks (OTN) with automatical switching capabilities are named ASON. Hierarchical routing is required in the ASON recommendations to achieve scalability. Basically, hierarchical routing consists of three main components, an aggregation scheme, an update policy and a routing algorithm. This paper proposes a new network structure focusing on these three components. We propose a new aggregation scheme; an update policy based on a threshold value; and we also extend an already proposed routing mechanism to be applied to a hierarchical network. Main skill of this routing mechanism is to reduce the connection blocking increase because of selecting paths based on inaccurate routing information. This inaccuracy is introduced both by the aggregation process and by the update policy.
机译：具有自动交换功能的光传输网络（OTN）称为ASON。 ASON建议中需要分层路由才能实现可伸缩性。基本上，分层路由由三个主要组件组成：聚合方案，更新策略和路由算法。本文针对这三个组件提出了一种新的网络结构。我们提出了一种新的汇总方案；基于阈值的更新策略；并且我们还扩展了已经提出的路由机制以应用于分层网络。该路由机制的主要技能是减少由于基于不正确的路由信息​​选择路径而导致的连接阻塞增加。聚合过程和更新策略都会引入这种不准确性。

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