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扩展资源预留协议的波长选择设计方案分析

王力 王燕 张民 袁梦

光通信技术2012,Vol.36Issue(3):4-6,3.
光通信技术2012,Vol.36Issue(3):4-6,3.

扩展资源预留协议的波长选择设计方案分析

An extended RSVP protocol of wavelength assignment scheme

王力 1王燕 2张民 1袁梦1

作者信息

  • 1. 北京邮电大学,北京100876
  • 2. 集宁师范学院,乌兰察布012000
  • 折叠

摘要

Abstract

For the routing with distributed Wavelength Assignment (WA) architecture. In order to reduce resource conflicts caused by concurrent requests, a PAWA scheme has been proposed in this paper, we mark the path message that resource conflicts may occur, so that the destination node can choose wavelength to some extent to avoid conflicts. Finally, using the discrete event simulation tool OMNeT++, compared with traditional solutions First Fit (FF) and Random Fit (RF), PAWA scheme expand the protocol can reduce the blocking probabilities while almost not increase delay.

关键词

光网络/路径计算单元/路由和波长分配/分布式波长分配/后向资源预留

Key words

optical networks/ PCE/RWA/distributed wavelength assignment/backward reservation protocol

分类

信息技术与安全科学

引用本文复制引用

王力,王燕,张民,袁梦..扩展资源预留协议的波长选择设计方案分析[J].光通信技术,2012,36(3):4-6,3.

基金项目

国家863项目(2009AA01Z255)资助. (2009AA01Z255)

光通信技术

OA北大核心CSCDCSTPCD

1002-5561

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