A study on deflection routing schemes for optical burst switched networks

ZHANG Liang~1; LIU Jun~2

doi:10.13756/j.gtxyj.2005.05.004

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A study on deflection routing schemes for optical burst switched networks

- A study on deflection routing schemes for optical burst switched networks
- Study on Optical communication Issue 5, Pages: 16-19(2005)
- 作者机构：
  
  1.   武汉邮电科学研究院
  2.   空军雷达学院湖北武汉430074
  3.   湖北武汉430019
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2005.05.004
  CLC： TN915
- Published：2005，
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[1]张梁,刘军.OBS网络的偏射路由研究[J].光通信研究,2005(05):16-19.

ZHANG Liang~1, LIU Jun~2. A study on deflection routing schemes for optical burst switched networks. [J]. (5):16-19(2005)
[1]张梁,刘军.OBS网络的偏射路由研究[J].光通信研究,2005(05):16-19. DOI： 10.13756/j.gtxyj.2005.05.004.

ZHANG Liang~1, LIU Jun~2. A study on deflection routing schemes for optical burst switched networks. [J]. (5):16-19(2005) DOI： 10.13756/j.gtxyj.2005.05.004.

摘要

文章分析了偏射路由对网络性能的影响

在分析发送端控制偏射路由技术的基础上

提出了基于阈值检测和数据更新的改进方案。边缘节点快速更新状态信息

并通过特殊控制分组传递链路拥塞的分布特征等信息;交换节点进行阈值检测

动态决定竞争时突发的传送方式

减少偏射路由对网络负荷的影响

进一步降低网络阻塞率

改善网络性能。

Abstract

This paper analyzed the effect of deflection routing on network performance and the sending end controlled deflection routing technology

propesed an improved scheme based on threshold checking and data updating. In this scheme

the edge nodes can quickly update the status informations of network

and transfer the informations such as the link blocking distribution through special control packets. The switching nodes can perform threshold checking

determine the burst transmission mode in the case of competition

so as to reduce the influence of deflection routing on network load

decrease the network blocking probability

and improve the network performance.

关键词

光突发交换偏射路由阻塞率性能

Keywords

optical burst switchingdeflection routingblocking probabilityperformance

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Key Lab of Optical Fiber Communications Technology,CUPT

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School of Electronic and Information Engineering, Soochow University

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