A node-density adaptive DTN routing algorithm

Huang Weili; Liu Xinglai

doi:10.13756/j.gtxyj.2014.01.011

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A node-density adaptive DTN routing algorithm

- A node-density adaptive DTN routing algorithm
- Study on Optical communication Issue 1, Pages: 28-31(2014)
- 作者机构：
  
  河北工程大学信息与电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2014.01.011
  CLC： TN929.5
- Published：2014，
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[1]黄伟力,刘幸来.基于节点密度自适应的DTN路由算法[J].光通信研究,2014(01):28-31.

Huang Weili, Liu Xinglai. A node-density adaptive DTN routing algorithm. [J]. (1):28-31(2014)
[1]黄伟力,刘幸来.基于节点密度自适应的DTN路由算法[J].光通信研究,2014(01):28-31. DOI： 10.13756/j.gtxyj.2014.01.011.

Huang Weili, Liu Xinglai. A node-density adaptive DTN routing algorithm. [J]. (1):28-31(2014) DOI： 10.13756/j.gtxyj.2014.01.011.

摘要

文章研究了DTN（延迟容忍网络）中一种基于副本受限的散播和等待路由算法

针对散播和等待路由算法的弊端

提出了一种基于节点密度自适应的路由算法。该算法根据当前区域的节点密度自适应地分配消息副本

并对散播和等待路由算法的等待阶段进行了改进

使较为活跃的节点携带消息。仿真结果表明

与BSW（二分法散播和等待）算法以及经典的Epidemic算法相比

文章所提出的算法能有效地降低传输时延

提高消息传递成功率。

Abstract

This paper investigates a replica-constrained spray and wait routing algorithm in Delay-Tolerant Network（DTN）and in view of the disadvantages of the spray and wait routing algorithm

it introduces a node-density adaptive routing algorithm. This algorithm adaptively distributes message replicas according to the node density of current area and improves the wait stage of the spray and wait routing algorithm so that the messages are carried by active nodes.The simulation results show that compared with BSW algorithm and the classical Epidemic algorithm

the proposed algorithm can effectively reduce transmission delay and improve the success rate of message delivery.

关键词

延迟容忍网络路由算法节点密度散播和等待

Keywords

DTNrouting algorithmnode densityspray and wait

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Related Institution

Information &Telecommunication Branch,State Grid Jibei Electric Power Co.,Ltd.

Network Management & Research Center, Beijing JiaoTong Univ.

北京交通大学网络管理研究中心北京　100044

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