Congestion Control Strategy with Node Status Evaluation for Delay Tolerant Networks

WU Da-peng; FU Xiang-jiu; ZHANG Hong-pei; WANG Ru-yan

doi:10.3969/j.issn.0372-2112.2016.01.027

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Congestion Control Strategy with Node Status Evaluation for Delay Tolerant Networks

更新时间：2025-07-16

- Congestion Control Strategy with Node Status Evaluation for Delay Tolerant Networks
- Acta Electronica Sinica Vol. 44, Issue 1, Pages: 186-192(2016)
- 作者机构：
  
  重庆邮电大学光纤通信技术重点实验室,重庆,400065
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2016.01.027
  CLC： TP393.04
- Published：2016
- 稿件说明：
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WU Da-peng, FU Xiang-jiu, ZHANG Hong-pei, et al. Congestion Control Strategy with Node Status Evaluation for Delay Tolerant Networks[J]. Acta Electronica Sinica, 2016, 44(1): 186-192.
DOI：

WU Da-peng, FU Xiang-jiu, ZHANG Hong-pei, et al. Congestion Control Strategy with Node Status Evaluation for Delay Tolerant Networks[J]. Acta Electronica Sinica, 2016, 44(1): 186-192. DOI： 10.3969/j.issn.0372-2112.2016.01.027.

摘要

为了有效提高延迟容忍网络中的数据传输效率

节点普遍采用多副本方式转发数据

然而此种方式将造成网络中冗余数据增多

导致网络拥塞.本文提出了一种带有节点状态感知的拥塞控制策略

根据运动过程中所获知的相关历史信息

节点以直接获取及间接推荐的方式准确地感知网络中各个节点的拥塞状态

进而以分布式的方式动态地为数据选择中继节点

达到更加合理地利用有限的网络资源的目的.结果表明所提出的拥塞控制能有效地改善数据成功投递概率和网络负载率.

Abstract

To improve the data transmission efficiency of delay tolerant network (DTN)

multiple copies of packets are injected into the network.However

the network will be congested due to large number of redundant copies.To solve the congestion

a congestion control strategy with node status evaluation is introduced in this paper.According to the historical information obtained during the node movement process

the congestion status is determined by combining the direct and indirect estimation results.Furthermore

the relay node can be selected reasonably

and the limited network resources can be utilized effectively.Results show that the packet delivery ratio and network overhead ratio can be improved dramatically by our proposed strategy.

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