Congestion control mechanism based on data delivery probability in DTN data dissemination network

Yi XIA; Guang-hong DENG

doi:10.11959/j.issn.1000-436x.2015278

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Congestion control mechanism based on data delivery probability in DTN data dissemination network

Academic paper | 更新时间：2024-06-05

- Congestion control mechanism based on data delivery probability in DTN data dissemination network
- Journal on Communications Vol. 36, Issue Z1, Pages: 22-39(2015)
- 作者机构：
  
  1. 湖北交通职业技术学院交通信息学院，湖北武汉 430079
  2. 武汉数字工程研究所系统科研部，湖北武汉 430074
- 作者简介：
- 基金信息：
  
  The Shipbuilding Sci-ence Foundation(10J3.7.2)
- DOI：10.11959/j.issn.1000-436x.2015278
  CLC： TN919.3
- Online First：2015-11，
  
  Published：25 November 2015
- 稿件说明：
移动端阅览
Yi XIA, Guang-hong DENG. Congestion control mechanism based on data delivery probability in DTN data dissemination network[J]. Journal on Communications, 2015, 36(Z1): 22-39.
DOI：

Yi XIA, Guang-hong DENG. Congestion control mechanism based on data delivery probability in DTN data dissemination network[J]. Journal on Communications, 2015, 36(Z1): 22-39. DOI： 10.11959/j.issn.1000-436x.2015278.

摘要

针对 DTN 网络数据编码分概发过程中数据拥塞造成投递性能下降的问题，提出了一种基于主题数据投递率的节点拥塞控制机制(CCM-DP)。综合考虑节点移动模型、主题包投递概率、节点拥塞程度等因素建立数据投递概率模型，从两方面进行拥塞控制，一方面基于数据投递概率动态调节数据分组转发过程，避免节点因过收取多的数据分组造成拥塞，另一方面，通过设计合理的丢弃策略，降低因拥塞造成数据分组丢失产生的影响。最后，将该拥塞控制机制应用在数据分发过程中进行了仿真分析，结果表明，该方法能提升数据拥塞情况下的数据投递性能。

Abstract

A congestion control mechanism based on data delivery probability (CCM-DP) was proposed to work out the decline of data delivery performance on account of data congestion in delay tolerant networks (DTN) network coding-based data dissemination process.Considering the node mobility model

data delivery probability and data congestion degree

the data delivery probability model was constructed

and the congestion control mechanism was designed from two aspects

on the one hand

by the means of adjusting the packet forwarding process

it equilibriums the data packet delivery to avoid node congestion caused by too many packets received; and on the other hand

through the design of efficient discarding strategy

it reduces the impact of packet loss caused by data congestion.Ultimately

it was put into use in data dissemination process and some simulations were taken

the simulation results show that

CCM-DP can improve data delivery performance in data congestion environment.

关键词

Keywords

references

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