mBBR - Improving BBR Performance Over Rate-Limited Mobile Networks

Zhu, Shengtong; Liu, Yan; Guo, Lingfeng; Ngan, Rudolf K. H.; Lee, Jack Y. B.

doi:10.1109/icnp59255.2023.10355605

2023 IEEE 31st International Conference on Network Protocols (ICNP) 2023

DOI: 10.1109/icnp59255.2023.10355605

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mBBR - Improving BBR Performance Over Rate-Limited Mobile Networks

Shengtong Zhu,

Yan Liu,

Lingfeng Guo

et al.

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2024

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Cited by 1 publication

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On Rate-Limiting in Mobile Data Networks

Zhu,

Liu,

Guo

et al. 2024

IEEE Trans. on Mobile Comput.

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With the rapid deployment of LTE/5G services, mobile subscribers now have access to high-speed services approaching Gbps. However, most mobile data plans have data quota from a few GBs up, beyond which the subscriber will be restricted to much lower bandwidth (e.g., 1 Mbps) -rate-limited service. Rate limiting not only poses a significant challenge to service providers, as it is often mistaken for network problems, triggering false alarms at the providers, but may also cause significant performance anomalies at the application layer and transport layer. This work tackles two central problems in mobile network rate-limiting, namely rate-limiting classification and parameter estimation, through a novel model-based online rate-limiter (MODRL) detector that can detect the presence of rate limiting and estimate its parameters passively from transport layer ACK. Experiments in controlled network testbed and production 4G/5G mobile networks show that MODRL can achieve remarkably high and consistent classification accuracy across a wide range of networks. Preliminary results from integrating MODRL into adaptive video streaming and QUIC transport demonstrate that it can effectively eliminate the performance anomalies caused by rate limiting, and open new avenues to further optimize protocol performance over rate-limited mobile networks.

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On Rate-Limiting in Mobile Data Networks

Zhu,

Liu,

Guo

et al. 2024

IEEE Trans. on Mobile Comput.

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show abstract

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mBBR - Improving BBR Performance Over Rate-Limited Mobile Networks

Cited by 1 publication

References 16 publications

On Rate-Limiting in Mobile Data Networks

On Rate-Limiting in Mobile Data Networks

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