CB-HSTCP:Fair TCP in High-speed Network

SU Fan-jun; PAN Xue-zeng; CAI Liang; XU Jian

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CB-HSTCP:Fair TCP in High-speed Network

更新时间：2025-07-16

- CB-HSTCP:Fair TCP in High-speed Network
- Acta Electronica Sinica Vol. 33, Issue 11, Pages: 2084-2089(2005)
- 作者机构：
  
  1. 浙江大学计算机学院,浙江,杭州,310027
  2. 杭州电子科技大学计算机学院,浙江,杭州,310027
  3. 浙江大学计算机学院浙江杭州,310027
  4. 杭州电子科技大学计算机学院浙江杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393
- Published：2005
- 稿件说明：
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SU Fan-jun, PAN Xue-zeng, CAI Liang, et al. CB-HSTCP:Fair TCP in High-speed Network[J]. Acta Electronica Sinica, 2005, 33(11): 2084-2089.
DOI：

SU Fan-jun, PAN Xue-zeng, CAI Liang, et al. CB-HSTCP:Fair TCP in High-speed Network[J]. Acta Electronica Sinica, 2005, 33(11): 2084-2089. DOI：

摘要

通过实验发现HSTCP存在严重的RTT(Round Trip Time)不公平性

另外发现拥塞时存在大量的包丢失.用模型对RTT不公平现象进行了分析

并分析了包丢失问题.提出了CB-HSTCP算法

包括CW机制和Block-pacing机制

用于改善公平性和降低包丢失率.为衡量算法性能

提出了一个相对公平性标准.通过分析并使用ns2进行模拟实验

证实该方案在保证HSTCP性能的基础上

解决了RTT不公平性问题、降低了包丢失率

同时具有良好的扩展性和TCP友好性.

Abstract

Through experiments

it is found that HSTCP has severe RTT unfairness

as well as many dropped packets in a congestion event.After analyzing the RTT unfairness in HSTCP with a model and the reason of packet loss

we propose CB-HSTCP that includes CW and Block-pacing algorithm to alleviate RTT unfairness and reduce the number of lost packets.To evaluate the performance of proposed algorithm

a relative fair criterion is proposed.Simulation results with ns2 show that our new proposal can solve the RTT unfair problem

reduce packets loss rate meanwhile keeping advantages of HSTCP such as good scalability and TCP friendliness.

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