A TCP-Friendly Congestion Control Mechanism Implemented by Receivers

LIU Yu-heng; CHEN Guang-wen; HU Yan; ZHANG Guang-zhao

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A TCP-Friendly Congestion Control Mechanism Implemented by Receivers

更新时间：2025-07-16

- A TCP-Friendly Congestion Control Mechanism Implemented by Receivers
- Acta Electronica Sinica Vol. 33, Issue 5, Pages: 835-841(2005)
- 作者机构：
  
  1. 广东省电信规划设计院,广东,广州,510630
  2. 中山大学电子与通信工程系,广东,广州,510275
  3. 中国科学院计算技术研究所,北京,100080
  4. 广东省电信规划设计院广东广州,510630
  5. 中山大学电子与通信工程系广东广州,510275
  6. 中国科学院计算技术研究所北京,100080
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393
- Published：2005
- 稿件说明：
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LIU Yu-heng, CHEN Guang-wen, HU Yan, et al. A TCP-Friendly Congestion Control Mechanism Implemented by Receivers[J]. Acta Electronica Sinica, 2005, 33(5): 835-841.
DOI：

LIU Yu-heng, CHEN Guang-wen, HU Yan, et al. A TCP-Friendly Congestion Control Mechanism Implemented by Receivers[J]. Acta Electronica Sinica, 2005, 33(5): 835-841. DOI：

摘要

本文提出了一种基于速率的单播TCP-Friendly拥塞控制算法——RAAR(Rate Adaptation at Receivers)控制机制.RAAR是一种接收端的速率自适应算法

它抛弃了每包反馈机制

采用GAIMD(General Additive Increase Multiplicative Decrease)策略进行拥塞控制

其主要控制操作由接收方完成.本文建立了简化的数学模型对其进行吞吐量的分析

得到在RAAR中用于TCP-Friendly 的GAIMD拥塞控制中α与 β的关系.通过与TFRC及TEAR这两种重要的TCP-Friendly协议进行对比研究发现

RAAR协议在对TCP协议的友好性

协议内的公平性以及速率的平滑性等方面具有更好的综合性能.由于RAAR不需进行每包反馈

且主要功能在接收方实现

因此可方便地将该机制引入多媒体组播传输系统中.

Abstract

A new unicast rate-based TCP-Friendly protocol called RAAR (Rate Adaptation at Receivers) is proposed.RAAR is a rate adaptive algorithm at receivers.It applies GAIMD (General Additive Increase Multiplicative Decrease) policy for congestion control and doesn't need to feed back per packet received.In RAAR

almost all complex operations of traffic control are carried out at receivers.A simple mathematical model is constructed to analyze the throughput of RAAR and get the relationship of α and β in RAAR for AIMD(Additive Increase Multiplicative Decrease)TCP-Friendly congestion control.Comparing with two important TCP-Friendly protocols

TFRC and TEAR

results are that RAAR has better performance in TCP-Friendliness

intra-protocol fairness and smoothness.RAAR is also a promising avenue of development for congestion control of multicast traffic

since it is not a per-packet acknowledgement and is mainly implemented at receivers.

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