Understanding BBRv3 Performance in AQM-Enabled WiFi Networks
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909775559655424 |
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| author | Shrestha, Shyam Kumar Kua, Jonathan Pokhrel, Shiva Raj |
| author_facet | Shrestha, Shyam Kumar Kua, Jonathan Pokhrel, Shiva Raj |
| contents | We present a modular experimental testbed and lightweight visualization tool for evaluating TCP congestion control performance in wireless networks. We compare Google's latest Bottleneck Bandwidth and Round-trip time version 3 (BBRv3) algorithm with loss-based CUBIC under varying Active Queue Management (AQM) schemes, namely PFIFO, FQ-CoDel, and CAKE, on a Wi-Fi link using a commercial MikroTik router. Our real-time dashboard visualizes metrics such as throughput, latency, and fairness across competing flows. Results show that BBRv3 significantly improves fairness and convergence under AQM, especially with FQ-CoDel. Our visualization tool and modular testbed provide a practical foundation for evaluating next-generation TCP variants in real-world AQM-enabled home wireless networks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_06245 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Understanding BBRv3 Performance in AQM-Enabled WiFi Networks Shrestha, Shyam Kumar Kua, Jonathan Pokhrel, Shiva Raj Networking and Internet Architecture Emerging Technologies We present a modular experimental testbed and lightweight visualization tool for evaluating TCP congestion control performance in wireless networks. We compare Google's latest Bottleneck Bandwidth and Round-trip time version 3 (BBRv3) algorithm with loss-based CUBIC under varying Active Queue Management (AQM) schemes, namely PFIFO, FQ-CoDel, and CAKE, on a Wi-Fi link using a commercial MikroTik router. Our real-time dashboard visualizes metrics such as throughput, latency, and fairness across competing flows. Results show that BBRv3 significantly improves fairness and convergence under AQM, especially with FQ-CoDel. Our visualization tool and modular testbed provide a practical foundation for evaluating next-generation TCP variants in real-world AQM-enabled home wireless networks. |
| title | Understanding BBRv3 Performance in AQM-Enabled WiFi Networks |
| topic | Networking and Internet Architecture Emerging Technologies |
| url | https://arxiv.org/abs/2509.06245 |