TCP BBR-n:增加了无线交流网络的吞吐量
Muhammad Ahsan1, Sajid S Muhammad1
1Department of Electrical Engineering, National University of Computer & Emerging Sciences, Lahore, Punjab, Pakistan.
PloS one
|December 11, 2023
概括
一个新的算法,BBR-n,显著提高吞吐量,并减少Wi-Fi 5网络中的延迟. 这种瓶带宽和往返传播时间 (BBR) 增强优于标准BBR v2和古老的协议,如Cubic和Reno.
科学领域:
- 计算机网络 计算机网络.
- 网络性能优化 网络性能优化
- 无线通信无线通信
背景情况:
- 谷歌的瓶带宽和往返传播时间 (BBR) 算法模拟网络路径,以获得最佳的带宽和最小的延迟.
- BBR v2旨在改进BBR v1,解决公平性和转播问题.
- 标准BBR v2在IEEE 802.11ac (Wi-Fi 5) 网络中表现出局限性,由于未充分利用聚,导致吞吐量减少和延迟增加.
研究的目的:
- 在Wi-Fi 5网络中解决BBR v2的性能限制.
- 提出一种新的拥堵控制算法,BBR-n,以提高Wi-Fi 5的性能.
- 与现有算法相比,证明优越的吞吐量和降低的延迟.
主要方法:
- 开发了BBR-n (BBR新) 算法.
- 在物理测试床上实时实验验证.
- 使用Flent工具进行性能比较.
主要成果:
- 与Wi-Fi 5网络中的通用BBR v2相比,BBR-n实现了两倍以上的吞吐量.
- 与BBR v2.2相比,BBR-n证明了延迟的减少.
- 与基于损失的变种 (如立方体和雷诺) 相比,观察到显著的性能增长.
结论:
- 对于Wi-Fi 5网络,BBR-n比BBR v2提供了显著的改进.
- 拟议的算法有效地克服了在这种特定的无线环境中标准BBR v2的局限性.
- 在现代无线网络中,BBR-n为优化吞吐量和延迟提供了一个可行的解决方案.
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