太比特路由器交换网络中一种新的交换机制

康国昌; 邱智亮; 王超; 顾华玺

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太比特路由器交换网络中一种新的交换机制

更新时间：2026-09-14

- 太比特路由器交换网络中一种新的交换机制
- 太比特路由器交换网络中一种新的交换机制
- Issue 6, (2006)
- 作者机构：
  
  1. 西安电子科技大学综合业务网国家重点实验室
  2. 西安电子科技大学通信工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2006
- 稿件说明：
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康国昌, 邱智亮, 王超, et al. 太比特路由器交换网络中一种新的交换机制[J]. 2006, (6).
DOI：

康国昌, 邱智亮, 王超, et al. 太比特路由器交换网络中一种新的交换机制[J]. 2006, (6). DOI：

摘要

直连网络是太比特路由器交换网络中一种很好的实现方案

然而直连网络中传统的交换机制(如分组交换、虫孔交换、虚切通交换等)已无法满足太比特路由器中实时业务的服务质量要求.针对这一问题

提出了一种新的交换机制区分切通交换.该交换机制通过引入虚信道概念

将区分服务和虚切通交换有效地结合

从而保证实时业务的服务质量.给出了该交换机制的设计思想以及节点模型的实现方案

采用OPNET软件对该交换机制在不同的业务环境下进行了仿真.仿真结果表明

与传统的交换机制相比

区分切通交换都可以很好地保证实时业务的服务质量.

Abstract

Direct Interconnection Network(DIN) is a good scheme for Terabit Router switching fabrics.But traditional switching mechanisms such as packet switching

wormhole switching

and virtual cut-through switching cannot meet QoS demands for real-time applications in Terabit Router.To guarantee the quality of service for real-time application

Differentiated Cut-Through(DCT) mechanism has been proposed in this paper

which combines the DiffServ model and virtual cut-through switching by introducing virtual channels.Simulation of mechanism in OPNET under various traffic loads shows that DCT can provide good performance for real-time applications compared with that of the traditional switching mechanisms.

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